NetworkStuff - Recent changes [en]

Stuff To Buy

2010-09-08T11:58:06Z

← Older revision		Revision as of 11:58, 8 September 2010
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	Yamaha YMC 700		Yamaha YMC 700
		+
		+	uPNP, Radio: http://www.nokia.co.uk/find-products/accessories/all-accessories/music/music-streaming/nokia-home-music

	==Monitors==		==Monitors==

Careers

2010-09-08T09:46:05Z

← Older revision		Revision as of 09:46, 8 September 2010
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	USB to serial converter		USB to serial converter

		+	==Body Language==
		+
		+	No hands in pockets - conveys boredom or neediness.

	{{GA}}		{{GA}}
	[[Category:Personal Stuff]] [[Category:Incomplete]]		[[Category:Personal Stuff]] [[Category:Incomplete]]
	__NOEDITSECTION__		__NOEDITSECTION__

LTM v9 to v10 Upgrade Gotchas, F5 BigIP

2010-09-08T09:09:32Z

← Older revision		Revision as of 09:09, 8 September 2010
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	:"err bigpipe[11462]: 012e0006:3: Shell: BIGpipe server SSL profile creation error: 01070313:3: Error reading key PEM file /config/ssl/ssl.key/default.key for profile '''''profile_name''''': error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch"		:"err bigpipe[11462]: 012e0006:3: Shell: BIGpipe server SSL profile creation error: 01070313:3: Error reading key PEM file /config/ssl/ssl.key/default.key for profile '''''profile_name''''': error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch"
		+
		+	===SNMP Configuration===
		+
		+	IP addresses listed in a v9 SCF file are enclosed in double quotes, they are not in a v10 SCF file.

Configure F5 BigIP Compression For Maximum Performance

2010-09-08T08:33:21Z

← Older revision		Revision as of 08:33, 8 September 2010
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	==[[Image:Emblem-default-medium.png]] Identifying What To Compress==		==[[Image:Emblem-default-medium.png]] Identifying What To Compress==

-	Two methods can be used by the BigIP to identify what traffic or data should be compressed. <U>Note:</U> If neither method is enabled, all content is compressed;	+	Two methods can be used by the BigIP to identify what traffic or data should be compressed. <U>Note:</U> If neither method is enabled, all content is compressed if compression itself is enabled;

	===[[Image:Emblem-documents-small.png]] By Content Type===		===[[Image:Emblem-documents-small.png]] By Content Type===

Linksys Router Default Username And Password

2010-09-07T06:34:26Z

Redirected page to Linksys Default Passwords

New page

#REDIRECT [[Linksys Default Passwords]]
{{GA}}

Linksys Router Default Password

2010-09-07T06:33:46Z

Redirected page to Linksys Default Passwords

New page

#REDIRECT [[Linksys Default Passwords]]
{{GA}}

TP-LINK Router Login

2010-09-07T06:32:47Z

Redirected page to TP-LINK Default Passwords

New page

#REDIRECT [[TP-LINK Default Passwords]]
{{GA}}

TP-LINK Router Reset

2010-09-07T06:31:57Z

Redirected page to Reset A TP-LINK Device

New page

#REDIRECT [[Reset A TP-LINK Device]]
{{GA}}

Linksys Router Reset

2010-09-07T06:31:06Z

Redirected page to Reset A Linksys Device

New page

#REDIRECT [[Reset A Linksys Device]]
{{GA}}

Capture command

2010-09-07T06:23:43Z

← Older revision		Revision as of 06:23, 7 September 2010
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	Use the [[show capture command]] to display display running packet capture status and the contents of packet capture files		Use the [[show capture command]] to display display running packet capture status and the contents of packet capture files
		+
		+	Use the [[copy capture command]] to copy a capture file to an external server.

	{{Equivalents}}		{{Equivalents}}

Tcpdump Masterclass

2010-09-07T06:21:41Z

← Older revision		Revision as of 06:21, 7 September 2010
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	*On VIPRION, if the tcpdump interface specified is a physical interface, the command must be run on the blade that contains that interface.		*On VIPRION, if the tcpdump interface specified is a physical interface, the command must be run on the blade that contains that interface.

-	{{Equivalents}}	+	==[[File:cisco-logo-small.png]] Cisco Equivalents==

-	The [[:Category:Cisco Commands\|Cisco ~~command~~]] equivalent is the [[Image:Cisco-logo-small.png]]	+	The [[:Category:Cisco Commands\|Cisco]] IOS-based command equivalent is the [[debug ip packet command]] [[Image:Cisco-logo-small.png]]

-	The [[:Category:Cisco Commands\|Cisco ~~command~~]] equivalent is the [[Image:Cisco-logo-small.png]]	+	The [[:Category:Cisco Commands\|Cisco]] PIX/ASA equivalent is the [[capture command]] [[Image:Cisco-logo-small.png]]

	{{Further}}		{{Further}}

Capture command

2010-09-07T06:10:54Z

← Older revision		Revision as of 06:10, 7 September 2010
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	Common options include;		Common options include;

-	*'''''' -	+	*'''<font color="deepskyblue">access-list</font> <font color="darkviolet">''acl_no_or_name''</font> -
-	*'''''' -	+	*'''<font color="deepskyblue">buffer</font> <font color="darkviolet">''buffer_size''</font>''' -
-	*'''''' -	+	*'''<font color="deepskyblue">circular-buffer</font>''' -
-	*'''''' -	+	*'''<font color="deepskyblue">detail </font>''' -
-	*'''''' -	+	*'''<font color="deepskyblue">dump</font>''' -
-		+	*'''<font color="deepskyblue">decrypted</font>''' -
-	~~access~~-~~list~~ <font color="darkviolet">''~~acl_no_or_name~~''</font>	+	*'''<font color="deepskyblue">packet-length</font> <font color="darkviolet">''bytes''</font>''' -
		+	*'''<font color="deepskyblue">url</font> <font color="darkviolet">url</font>''' -
		+	*'''<font color="deepskyblue">user</font> <font color="darkviolet">webvpn-user</font>''' -
		+	*'''<font color="deepskyblue">webvpn</font>''' -
		+	*'''<font color="deepskyblue"></font>''' -
		+	*'''<font color="deepskyblue"></font>''' -

	{{Usage Examples}}		{{Usage Examples}}
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	The [[:Category:F5 BigIP Commands\|F5 BigIP command]] equivalent is also the [[tcpdump Masterclass\|tcpdump command]] [[Image:F5-logo-small.png]]		The [[:Category:F5 BigIP Commands\|F5 BigIP command]] equivalent is also the [[tcpdump Masterclass\|tcpdump command]] [[Image:F5-logo-small.png]]
		+
		+	{{Further}}
		+
		+	http://www.cisco.com/en/US/docs/security/asa/asa81/command/ref/c1.html#wp2111030

	{{Related Articles}}		{{Related Articles}}

Tcpdump command

2010-09-07T05:13:12Z

← Older revision		Revision as of 05:13, 7 September 2010
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	#REDIRECT [[tcpdump Masterclass]]		#REDIRECT [[tcpdump Masterclass]]
-	[[Category:Commands]] [[Category:F5 BigIP Commands]] [[Category:Linux Commands]]	+	[[Category:Commands]] [[Category:F5 BigIP Commands]] [[Category:Linux Commands]] [[Category:Vyatta Commands]]
	{{GA}}		{{GA}}

Tcpdump Masterclass

2010-09-07T05:12:18Z

← Older revision		Revision as of 05:12, 7 September 2010
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	{{Available}}		{{Available}}

-	'''tcpdump''' is only available for Unix/Linux.	+	'''tcpdump''' is only available for Unix/Linux and is the program used to perform packet capture and analysis on [[:Category:F5 BigIP\|F5 BigIP]] and [[:Category:Vyatta\|Vyatta]] network devices, amongst others.

	==[[File:Object-flip-horizontal-v2-22.png]] Linux Alternatives==		==[[File:Object-flip-horizontal-v2-22.png]] Linux Alternatives==
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	*tcpdump will capture a maximum of 200 packets per second if the tcpdump interface specified is a physical interface.		*tcpdump will capture a maximum of 200 packets per second if the tcpdump interface specified is a physical interface.
	*On VIPRION, if the tcpdump interface specified is a physical interface, the command must be run on the blade that contains that interface.		*On VIPRION, if the tcpdump interface specified is a physical interface, the command must be run on the blade that contains that interface.
		+
		+	{{Equivalents}}
		+
		+	The [[:Category:Cisco Commands\|Cisco command]] equivalent is the [[Image:Cisco-logo-small.png]]
		+
		+	The [[:Category:Cisco Commands\|Cisco command]] equivalent is the [[Image:Cisco-logo-small.png]]

	{{Further}}		{{Further}}

Capture command

2010-09-07T05:03:24Z

← Older revision		Revision as of 05:03, 7 September 2010
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	Information on [[:Category:Zebra Commands\|Zebra commands]]		Information on [[:Category:Zebra Commands\|Zebra commands]]

-	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:~~Tux~~-small.png]]	+	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:linux-logo-small.png]]

	Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]		Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]

Vlan command, bigpipe

2010-09-07T05:02:26Z

← Older revision		Revision as of 05:02, 7 September 2010
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	<font color="red"><U>'''Note:'''</U></font> Enabling the MAC Masquerade feature can cause network failover heartbeat communication issues between HA pair devices, resulting in both devices believing they are active. Use command '''[[bigstart command\|bigstart]] restart''' on the standby device to resolve this issue. This issue will only occur if this feature is enabled on the VLAN (and associated IP subnet) used for network failover, when it is not done as part of the initial VLAN creation. It's inevitable you'll experience some loss of traffic on the VLAN.		<font color="red"><U>'''Note:'''</U></font> Enabling the MAC Masquerade feature can cause network failover heartbeat communication issues between HA pair devices, resulting in both devices believing they are active. Use command '''[[bigstart command\|bigstart]] restart''' on the standby device to resolve this issue. This issue will only occur if this feature is enabled on the VLAN (and associated IP subnet) used for network failover, when it is not done as part of the initial VLAN creation. It's inevitable you'll experience some loss of traffic on the VLAN.

-	:This ~~would suggest~~ that enabling the MAC Masquerade feature on ''any'' VLAN subsequently to it's initial creation may result in the need for the execution of the '''[[bigstart command\|bigstart]] restart''' command and ~~thus~~ traffic loss ~~on the VLAN in question~~.	+	:This ''may'' indicate that enabling the MAC Masquerade feature on ''any'' VLAN subsequently to it's initial creation may result in the need for the execution of the '''[[bigstart command\|bigstart]] restart''' command and potential traffic loss unless this is planned for.

	<font color="red"><U>'''Note:'''</U></font> If you are using your F5 BigIP to route traffic as well as for typical load balancing functions, beware of changing the '''mtu''' value of any VLAN routed traffic will use. Remember that routed traffic will not be proxied by the BigIP in any way and thus any VLAN MTU value you set that is lower than the MTU of hosts relying on the F5 to route their traffic will cause issues; when frames/packets sent by a host exceed the BigIP's MTU, the BigIP will silently drop them!		<font color="red"><U>'''Note:'''</U></font> If you are using your F5 BigIP to route traffic as well as for typical load balancing functions, beware of changing the '''mtu''' value of any VLAN routed traffic will use. Remember that routed traffic will not be proxied by the BigIP in any way and thus any VLAN MTU value you set that is lower than the MTU of hosts relying on the F5 to route their traffic will cause issues; when frames/packets sent by a host exceed the BigIP's MTU, the BigIP will silently drop them!

Network Device Change Masterclass

2010-09-07T04:52:01Z

← Older revision		Revision as of 04:52, 7 September 2010
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	:*For most Cisco devices use the '''[[terminal command\|terminal monitor]]''' command.		:*For most Cisco devices use the '''[[terminal command\|terminal monitor]]''' command.
-	:*For F5 BigIP devices use the '''[[tail command\|tail]] -f /var/log/messages''' command in a second terminal window.	+	:*For F5 BigIP devices use the '''[[tail command\|tail]] <font color="deepskyblue">-f</font> <font color="darkorange">/var/log/messages /var/log/messages</font>''' command in a second terminal window.
	:*For Extreme devices use the '''[[enable log command\|enable log]] target session''' command.		:*For Extreme devices use the '''[[enable log command\|enable log]] target session''' command.

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	*Check the device isn't under an unusually heavy [[CPU]] or memory load for some reason; your change may exacerbate this issue or overload the system entirely;		*Check the device isn't under an unusually heavy [[CPU]] or memory load for some reason; your change may exacerbate this issue or overload the system entirely;

-	:*For most Cisco platforms use the '''[[show processes command\|show proc ~~cpu~~]]''' and '''[[show memory command\|show memory ~~summary~~]]''' commands.	+	:*For most Cisco platforms use the '''[[show processes command\|show proc]] <font color="deepskyblue">cpu</font>''' and '''[[show memory command\|show memory]] <font color="deepskyblue">summary</font>''' commands.
-	:*For F5 BigIP platforms use the '''[[~~global~~ command, bigpipe\|bigpipe ~~global~~]]''' ~~command, not the top command~~.	+	:*For F5 BigIP platforms use the '''[[top command\|top]]''' and '''[[memory command, bigpipe\|bigpipe memory]]''' commands.
-	:*For Linux platforms use the '''[[top command]].	+	:*For Linux platforms use the '''[[top command]]'''.
	:*For Windows platforms use the '''[[pmon command]]''', if available.		:*For Windows platforms use the '''[[pmon command]]''', if available.

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	=[[Image:Document-save-v2-large.png]] Completion/Post Change=		=[[Image:Document-save-v2-large.png]] Completion/Post Change=

-	*~~Always save~~ the running configuration to ~~memory~~.	+	*Only when you're sure the change has been successful, write the device's currently running configuration to it's start-up configuration (file(s).)

	*Run a compare between the original and new configuration. This will confirm you haven't inadvertently changed (or even removed) something you shouldn't have. I use the file compare feature of the free text editor [http://www.contexteditor.org/index.html Context].		*Run a compare between the original and new configuration. This will confirm you haven't inadvertently changed (or even removed) something you shouldn't have. I use the file compare feature of the free text editor [http://www.contexteditor.org/index.html Context].
		+
		+	*For large, complex or high risk changes, monitor changed devices (and the services that run across them) carefully for a suitable time period.

	{{Related Articles}}		{{Related Articles}}
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	Following the recommendations made in the [[Device Selection Basics]] article should ensure device changes carry a lower risk and issues with changes are easier to recover from.		Following the recommendations made in the [[Device Selection Basics]] article should ensure device changes carry a lower risk and issues with changes are easier to recover from.

-	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:~~Tux~~-small.png]]	+	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:Linux-logo-small.png]]

	Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]		Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]

Network Device Logical Label Display Lengths

2010-09-07T04:30:54Z

← Older revision		Revision as of 04:30, 7 September 2010
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	[[show interface description command]] output: 255 characters for physical and sub interfaces, non wrapping display limited by width of terminal		[[show interface description command]] output: 255 characters for physical and sub interfaces, non wrapping display limited by width of terminal

-	[[show vlan command, Cisco\|show vlan command]] output: 32 characters - Note Cisco recommend 20 characters or less for some reason	+	[[show vlan command, Cisco\|show vlan command]] output: 32 characters - Note Cisco recommend 20 characters or less for VLAN names for some reason

	==Extreme Switch==		==Extreme Switch==

Network Device Change Masterclass

2010-09-07T04:24:39Z

← Older revision		Revision as of 04:24, 7 September 2010
(One intermediate revision not shown)
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	==[[Image:yast-heartbeat-medium.png]] Redundant Pairs==		==[[Image:yast-heartbeat-medium.png]] Redundant Pairs==
		+
		+	*Perform the checks (keeping in mind that the secondary/passive device is your backup should the primary/active device fail) and log monitoring detailed in the previous section above, on '''both''' devices.

	*If possible and where a secondary device is generally passive, make your changes on the secondary device, thus validating your command syntax (if nothing else) prior to making the change on the device handling live traffic. This is particularly useful when using pre-prepared command scripts on Cisco devices in HSRP redundant pairs.		*If possible and where a secondary device is generally passive, make your changes on the secondary device, thus validating your command syntax (if nothing else) prior to making the change on the device handling live traffic. This is particularly useful when using pre-prepared command scripts on Cisco devices in HSRP redundant pairs.

Capture command

2010-09-06T13:16:54Z

← Older revision		Revision as of 13:16, 6 September 2010
(2 intermediate revisions not shown)
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	Configuration Context: <font color="purple">Privileged Mode</font>		Configuration Context: <font color="purple">Privileged Mode</font>

-	'''[no] capture ''~~acl_no_or_name~~'' interface ''interface_name'''''	+	'''[<font color="red">no</font>] capture <font color="deepskyblue">''name''</font> interface <font color="limegreen">''interface_name''</font> [<font color="deepskyblue">''options''</font>]'''
		+
		+	Common options include;
		+
		+	*'''''' -
		+	*'''''' -
		+	*'''''' -
		+	*'''''' -
		+	*'''''' -
		+
		+	access-list <font color="darkviolet">''acl_no_or_name''</font>

	{{Usage Examples}}		{{Usage Examples}}
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	{{Usage Notes}}		{{Usage Notes}}

-	~~{{Typical Output}}~~	+	To capture packets on multiple interfaces; use multiple capture commands, specifying the same capture name but different interface names.
		+
		+	The default type is raw-data.
		+
		+	•The default buffer size is 512 KB.
		+
		+	•The default Ethernet type is IP.

-	~~{{Available}}~~	+	•The default packet-length is 68 bytes.

		+	{{Cisco Usage Notes}}
	{{Related Commands}}		{{Related Commands}}

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	The [[:Category:Cisco Commands\|Cisco command]] equivalent on IOS based devices is the [[debug ip packet command]] [[Image:Cisco-logo-small.png]]		The [[:Category:Cisco Commands\|Cisco command]] equivalent on IOS based devices is the [[debug ip packet command]] [[Image:Cisco-logo-small.png]]

-	The [[:Category:Linux Commands\|Linux command]] equivalent is the [[tcpdump Masterclass\|tcpdump command]] [[Image:~~Tux~~-small.png]]	+	The [[:Category:Linux Commands\|Linux command]] equivalent is the [[tcpdump Masterclass\|tcpdump command]] [[Image:linux-logo-small.png]]

	The [[:Category:F5 BigIP Commands\|F5 BigIP command]] equivalent is also the [[tcpdump Masterclass\|tcpdump command]] [[Image:F5-logo-small.png]]		The [[:Category:F5 BigIP Commands\|F5 BigIP command]] equivalent is also the [[tcpdump Masterclass\|tcpdump command]] [[Image:F5-logo-small.png]]
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	{{Comments}}		{{Comments}}
	{{AWM}}{{GA}}		{{AWM}}{{GA}}
-	[[Category:Commands]] [[Category:Cisco Commands]] [[Category:PIX/ASA Commands]] [[Category:Traffic Monitoring Commands]] [[Category:Incomplete]]	+	[[Category:Commands]] [[Category:Cisco Commands]] [[Category:PIX/ASA Commands]] [[Category:Troubleshooting Commands]] [[Category:Traffic Monitoring Commands]] [[Category:Incomplete]]
	__NOEDITSECTION__		__NOEDITSECTION__

Getting Project Managers Off Your Back

2010-09-06T12:22:15Z

New page

What are they after?

==Documentation==

*Send a first draft and ask them to comment on it, if it's suitable?

{{GA}}
[[Category:Incomplete]]
__NOEDITSECTION__

Projects

2010-09-06T11:33:59Z

← Older revision		Revision as of 11:33, 6 September 2010
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	[[Project Implementations]] - staff resourcing, hardware purchase, engagement areas, meetings, ... (prepare for failure, mistakes, delays and other issues etc.)		[[Project Implementations]] - staff resourcing, hardware purchase, engagement areas, meetings, ... (prepare for failure, mistakes, delays and other issues etc.)
		+
		+	[[Getting Project Managers Off Your Back]]
		+
		+	Functional responsibilities

	Fit and finish		Fit and finish

Welcome to Network Stuff

2010-09-03T17:04:49Z

← Older revision		Revision as of 17:04, 3 September 2010
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	<font size="3">		<font size="3">

-	* [[Image:Visio.gif]] '''[[:Category:Visio Icons\|Visio Icons/Stencils]] \| [[Image:applications-office-small.png]] [[:Category:Vendor Documentation\|Vendor Documentation]] \| [[Image:x-office-drawing-small.png]] [[:Category:Reference Diagrams\|Reference Diagrams]]'''	+	* [[Image:Visio.gif]] '''[[:Category:Visio Icons\|Visio Icons/Stencils]] \| [[Image:applications-office-small.png]] [[:Category:Vendor Documentation\|Vendor Documentation]] \| [[Image:x-office-drawing-small.png]] [[:Category:Network Diagrams\|Network Diagrams]] \| [[Image:x-office-drawing-small.png]] [[:Category:Reference Diagrams\|Reference Diagrams]]'''

	* [[Image:utilities-terminal-small-v2.png]] [[:Category:Commands\|Commands]]: [[file:arista-logo-small.png]] [[:Category:Arista Commands\|Arista]] \| [[file:bluecat-logo-small.png]] [[:Category:Bluecat Commands\|Bluecat]] \| [[:Category:Blue Coat SGOS Commands\|Blue Coat SGOS]] \| [[Image:cisco-logo-small.png]] [[:Category:Cisco Commands\|Cisco]] \| [[Image:Edit-clear-v2-small.png]] [[:Category:Clear Commands\|Clear]] \| [[Image:Preferences-system-small.png]] [[:Category:Configuration Commands\|Configuration]] \| [[Image:extreme-logo-small.png]] [[:Category:Extreme Commands\|Extreme]]		* [[Image:utilities-terminal-small-v2.png]] [[:Category:Commands\|Commands]]: [[file:arista-logo-small.png]] [[:Category:Arista Commands\|Arista]] \| [[file:bluecat-logo-small.png]] [[:Category:Bluecat Commands\|Bluecat]] \| [[:Category:Blue Coat SGOS Commands\|Blue Coat SGOS]] \| [[Image:cisco-logo-small.png]] [[:Category:Cisco Commands\|Cisco]] \| [[Image:Edit-clear-v2-small.png]] [[:Category:Clear Commands\|Clear]] \| [[Image:Preferences-system-small.png]] [[:Category:Configuration Commands\|Configuration]] \| [[Image:extreme-logo-small.png]] [[:Category:Extreme Commands\|Extreme]]

Secure OpenSSH On Linux

2010-09-03T10:08:44Z

← Older revision		Revision as of 10:08, 3 September 2010
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	'''"TCP wrapped services do not cache the rules from the hosts access files, so any changes to hosts.allow or hosts.deny take effect immediately without restarting network services."'''		'''"TCP wrapped services do not cache the rules from the hosts access files, so any changes to hosts.allow or hosts.deny take effect immediately without restarting network services."'''
		+
		+	Automate this with [http://denyhosts.sourceforge.net Deny Hosts]

	{{Usage Notes}}		{{Usage Notes}}

Secure SSH

2010-09-03T09:57:43Z

Redirected page to Secure OpenSSH On Linux

New page

#REDIRECT [[Secure OpenSSH On Linux]]
{{GA}}

SSH Security

2010-09-03T09:57:22Z

Redirected page to Secure OpenSSH On Linux

New page

#REDIRECT [[Secure OpenSSH On Linux]]
{{GA}}

Improve Mediawiki Performance

2010-09-02T14:00:35Z

← Older revision		Revision as of 14:00, 2 September 2010
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	==[[Image:accessories-calculator-v2-medium.png]] View Counters ==		==[[Image:accessories-calculator-v2-medium.png]] View Counters ==

-	To disable the display of the page view counter on every page (which may save a second or so,) add the following to ~~you~~ <font color="darkorange">'''LocalSettings.php'''</font> file;	+	To disable the display of the page view counter on every page (which stops database lookups and may save a second or so,) add the following to your <font color="darkorange">'''LocalSettings.php'''</font> file;

	$wgDisableCounters = true;		$wgDisableCounters = true;
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	$wgUseFileCache = true;		$wgUseFileCache = true;
-	$wgFileCacheDirectory = "$IP/~~cache~~";	+	$wgFileCacheDirectory = "$IP/file_cache_directory";
	$wgShowIPinHeader = false;		$wgShowIPinHeader = false;
	$wgDisableCounters = true;		$wgDisableCounters = true;
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	Can be used in conjunction with PHP and Mediawiki sidebar caching.		Can be used in conjunction with PHP and Mediawiki sidebar caching.
		+
		+	==[[File:distribute-vertical-center-medium.png]] Message Caching==
		+
		+	Message caching is a new feature available from version 1.16 and is disabled by default.
		+
		+	*Create a suitable directory for the cached data to be stored in, ensuring it is not accessible from the web.
		+
		+	*Add the following to your <font color="darkorange">'''LocalSettings.php'''</font> file;
		+
		+	$wgCacheDirectory = "msg_cache_directory";

	==[[Image:text-x-script-medium.png]] Minify/Compact Java Files==		==[[Image:text-x-script-medium.png]] Minify/Compact Java Files==
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	</font>		</font>
	Note however that you'll need to repeat this process every time you upgrade.		Note however that you'll need to repeat this process every time you upgrade.
		+
		+	==[[File:distribute-vertical-center-medium.png]] System Message Variables==
		+
		+	As recommended here: http://www.mediawiki.org/wiki/User:Aaron_Schulz/How_to_make_MediaWiki_fast
		+
		+	Edit the MediaWiki:Aboutsite and MediaWiki:Pagetitle system messages by changing the <nowiki>{{SITENAME}}</nowiki> variable to your site name. This avoids extra parsing on each hit.

	{{Related Articles}}		{{Related Articles}}

MediaWiki:Pagetitle

2010-09-02T13:15:14Z

Created page with "$1 - Network Stuff"

MediaWiki:Aboutsite

2010-09-02T13:14:46Z

Created page with "About Network Stuff"

File:Format-indent-less-medium.png

2010-09-02T13:08:42Z

uploaded "[[File:Format-indent-less-medium.png]]"

Improve Mediawiki Performance

2010-09-02T13:07:34Z

← Older revision		Revision as of 13:07, 2 September 2010
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	If you're using Apache, a number of configuration changes will slightly reduce the size and number of the [[HTTP Headers Masterclass\|HTTP headers]] sent in every response as well as increasing security. See the [[Improve Apache Performance]] article for more information.		If you're using Apache, a number of configuration changes will slightly reduce the size and number of the [[HTTP Headers Masterclass\|HTTP headers]] sent in every response as well as increasing security. See the [[Improve Apache Performance]] article for more information.

-	==PHP Caching==	+	==[[Image:text-x-script-medium.png]] PHP Caching==

	Install [http://eaccelerator.net/ PHP eAccelerator], a PHP byte-code cache and configure and test.		Install [http://eaccelerator.net/ PHP eAccelerator], a PHP byte-code cache and configure and test.
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	$wgDisableCounters = true;		$wgDisableCounters = true;

-	== Sidebar Caching ==	+	==[[File:format-indent-less-medium.png]] Sidebar Caching==

	Enabling client-side caching of the sidebar (navigation links etc.) will improve client performance after the sidebar has first been displayed. Add the following to you <font color="darkorange">'''LocalSettings.php'''</font> file;		Enabling client-side caching of the sidebar (navigation links etc.) will improve client performance after the sidebar has first been displayed. Add the following to you <font color="darkorange">'''LocalSettings.php'''</font> file;

Ip host command

2010-09-02T13:06:21Z

← Older revision		Revision as of 13:06, 2 September 2010
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	'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="darkviolet">''1.1.1.1''</font>''' - create a new host name mapping		'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="darkviolet">''1.1.1.1''</font>''' - create a new host name mapping

-	'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="deepskyblue">additional <font color="darkviolet">''1.1.1.2''</font>''' - add an additional IP address to an existing host name mapping	+	'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="deepskyblue">additional</font> <font color="darkviolet">''1.1.1.2''</font>''' - add an additional IP address to an existing host name mapping

	'''<font color="red">no</font> ip host <font color="darkviolet">''host3.test.com''</font> <font color="darkviolet">''1.1.1.3''</font>''' - delete the specified host name mapping '''including any configured additional addresses'''		'''<font color="red">no</font> ip host <font color="darkviolet">''host3.test.com''</font> <font color="darkviolet">''1.1.1.3''</font>''' - delete the specified host name mapping '''including any configured additional addresses'''
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	{{Related Commands}}		{{Related Commands}}

-	Use the [[show hosts command]] to display local ~~hostname~~ to IP address mappings.	+	Use the [[show hosts command]] to display local host name to IP address mappings.

-	Use the [[hostname command]] to configure the device's own ~~hostname.~~	+	Use the [[hostname command]] to configure the device's own host name.
-		+
-	~~{{Command Equivalents}}~~	+
-		+
-	~~The Nokia IPSO command equivalent is the [[show~~ host ~~command]]~~	+

	{{Equivalents}}		{{Equivalents}}

-	The [[:Category:~~Extreme~~ Commands\|~~Extreme~~ command]] equivalent is the [[~~Image:Extreme-logo-small.png]]~~	+	The [[:Category:Nokia IPSO Commands\|Nokia IPSO command]] equivalent is the [[add host command]]
-		+
-	~~The [[:Category:Arista Commands\|Arista~~ command]] ~~equivalent is the [[Image:Arista-logo-small.png]]~~	+
-		+
-	~~The [[:Category:Force10 Commands\|Force10 command]] equivalent is the [[Image:force10-logo-small.png]]~~	+
-		+
-	~~The [[:Category:Vyatta Commands\|Vyatta command]] equivalent is the [[Image:Vyatta-logo-small.png]]~~	+
-		+
-	~~The [[:Category:Nortel Commands\|Nortel command]] equivalent is the [[Image:Nortel-logo-small.png]]~~	+
-		+
-	~~The [[:Category:Zebra Commands\|Zebra]] routing application suite command equivalent is the~~	+
-		+
-	~~The [[:Category:Linux Commands\|Linux command]] equivalent is the [[Image:linux-logo-small.png]]~~	+
-		+
-	~~The [[:Category:F5 BigIP Commands\|F5 BigIP command]] equivalent is the [[Image:F5-logo-small.png]]~~	+
-		+
-	~~The [[:Category:Blue Coat SGOS\|Blue Coat SGOS command]] equivalent is the~~	+
-		+
-	~~The [[:Category:Windows Command Prompt Commands\|Windows Command Prompt]] command equivalent is the [[Image:Preferences-system-windows-small.png]]~~	+
-		+
-	~~The [[:Category:Windows PowerShell Commands\|Windows PowerShell]] command equivalent has the same name: [[Image:Preferences-system-windows-small.png]]~~	+
-		+
-	~~The XXX platform command equivalent has the same name:~~	+
-		+
-	~~The closest [[:Category:Nokia IPSO Commands\|Nokia IPSO command]] equivalent is the~~	+

	{{Related Articles}}		{{Related Articles}}

Improve Mediawiki Performance

2010-09-02T12:58:41Z

← Older revision		Revision as of 12:58, 2 September 2010
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	In my experience most files can be reduced by around 50%. The most useful gains can be made with these files;		In my experience most files can be reduced by around 50%. The most useful gains can be made with these files;
-		+	<font color="darkorange">
-	<font color="darkorange">*wikibits.js	+	*wikibits.js
	*mwsuggest.js		*mwsuggest.js
	*upload.js		*upload.js
-	*protect.js</font>	+	*protect.js
-		+	</font>
-	Note however that you'll need to repeat this process ~~everytime~~ you upgrade.	+	Note however that you'll need to repeat this process every time you upgrade.

	==[[Image:text-x-script-medium.png]] Minify/Compact CSS Files==		==[[Image:text-x-script-medium.png]] Minify/Compact CSS Files==
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	In my experience most files can be reduced by around 30 to 50%. The most useful gains can be made with these files;		In my experience most files can be reduced by around 30 to 50%. The most useful gains can be made with these files;
-		+	<font color="darkorange">
-	<font color="darkorange">*common.css	+	*common.css
-	*oldshared.css</font>	+	*oldshared.css
-		+	</font>
	Note however that you'll need to repeat this process every time you upgrade.		Note however that you'll need to repeat this process every time you upgrade.

Ip host command

2010-09-02T12:55:29Z

← Older revision		Revision as of 12:55, 2 September 2010
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	[[Image:Cisco-logo-large.gif]]		[[Image:Cisco-logo-large.gif]]

-	A [[CLI]] command available on most Cisco platforms; used to create and ~~manage~~ local host name to IP address mappings.	+	A [[CLI]] command available on most Cisco platforms; used to create, modify and delete local host name to IP address mappings.

	{{Usage Syntax}}		{{Usage Syntax}}
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	Configuration Context: <font color="purple">Global Configuration Mode</font>		Configuration Context: <font color="purple">Global Configuration Mode</font>

-	~~To add a new hostname entry or adjust an existing entry:~~	+	'''[<font color="red">no</font>] ip host <font color="darkviolet">''host_name''</font> [<font color="deepskyblue">''additional''</font>] <font color="darkviolet">''ip_address''</font>'''

-	~~'''ip host''' ''host_name'' ''ip_address''~~	+	{{Usage Examples}}

		+	'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="darkviolet">''1.1.1.1''</font>''' - create a new host name mapping

-	To add an additional IP address ~~for~~ an existing ~~entry:~~	+	'''ip host <font color="darkviolet">''host1.test.com''</font> <font color="deepskyblue">additional <font color="darkviolet">''1.1.1.2''</font>''' - add an additional IP address to an existing host name mapping

-	'''ip host''' ''~~host_name~~'' '''~~additional~~''' ''~~ip_address~~''	+	'''<font color="red">no</font> ip host <font color="darkviolet">''host3.test.com''</font> <font color="darkviolet">''1.1.1.3''</font>''' - delete the specified host name mapping '''including any configured additional addresses'''

-	~~To delete an entry:~~	+	'''<font color="red">no</font> ip host <font color="darkviolet">''host4.test.com''</font> <font color="deepskyblue">''additional''</font> <font color="darkviolet">''1.1.1.4''</font>''' - delete the additional IP address only for the specified host name mapping
-		+
-	'''no ip host''~~' ''host_name'' ''ip_address''~~	+
-		+
-	~~{{Usage Examples}}~~	+
-		+
-	~~'''ip host''' ''host1~~.test.com'' ~~''1.1.1.1''~~	+
-		+
-	~~'''ip host''' ''host1.test.com'' '~~''additional''' ''1.1.1.2''	+
-		+
-	'''ip host~~''' ''host3.test.com'' ''1.1.1.3''~~	+

	{{Usage Notes}}		{{Usage Notes}}

-	Entering an existing ''host_name'' but a different ''ip_address'' will simply modify the ip address of ~~the~~ existing entry.	+	Entering an existing <font color="darkviolet">''host_name''</font> but a different <font color="darkviolet">''ip_address''</font> will simply modify the IP address of an existing entry.

-	To add additional IP addresses for the same host use the ''additional'' keyword, as shown above.	+	To add additional IP addresses for the same host use the <font color="deepskyblue">''additional''</font> keyword, as shown above.
	{{Cisco Usage Notes}}		{{Cisco Usage Notes}}
-
	{{Related Commands}}		{{Related Commands}}

Improve Mediawiki Performance

2010-09-02T12:42:47Z

← Older revision		Revision as of 12:42, 2 September 2010
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	[[File:Appointment-soon-v2-256.png\|right]]{{AWM}}		[[File:Appointment-soon-v2-256.png\|right]]{{AWM}}
-	~~[[Image:gnome-appointment-soon.svg]]~~

-	Below you'll find a number of ~~useful suggestions~~ for directly or indirectly improving MediaWiki performance. I've implemented all these myself on the fairly low specification [[LAMP]] server this very wiki is running on as well as this MediaWiki installation.	+	Below you'll find a number of practical, mostly simple recommendations and configurations for directly or indirectly improving MediaWiki performance. The suggestions detailed are primarily aimed at single server and hosted implementations, however, most will still apply to multi-server, distributed architectures.
		+
		+	I've implemented all these myself on the fairly low specification [[LAMP]] server this very wiki is running on as well as this MediaWiki installation.

	Whilst I've assumed the use of LAMP, most recommendations and configurations will apply equally to [[WAMP]] servers.		Whilst I've assumed the use of LAMP, most recommendations and configurations will apply equally to [[WAMP]] servers.
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	If you're using Apache, a number of configuration changes will slightly reduce the size and number of the [[HTTP Headers Masterclass\|HTTP headers]] sent in every response as well as increasing security. See the [[Improve Apache Performance]] article for more information.		If you're using Apache, a number of configuration changes will slightly reduce the size and number of the [[HTTP Headers Masterclass\|HTTP headers]] sent in every response as well as increasing security. See the [[Improve Apache Performance]] article for more information.

-	==PHP ~~Performance~~==	+	==PHP Caching==

-	Install [http://eaccelerator.net/ PHP eAccelerator]	+	Install [http://eaccelerator.net/ PHP eAccelerator], a PHP byte-code cache and configure and test.
		+
		+	Add the following to your <font color="darkorange">'''LocalSettings.php'''</font> file;
		+
		+	$wgMainCacheType = CACHE_ACCEL;

	You can confirm PHP eAccelerator has loaded successfully either by;		You can confirm PHP eAccelerator has loaded successfully either by;

	*Entering [[CLI]] command: '''php -v'''		*Entering [[CLI]] command: '''php -v'''
-	*Creating a PHP file with ~~these contents~~ on your ~~webserver~~ and browsing to the file;	+	*Creating a PHP file with this content on your web server and browsing to the file;

	<?php		<?php
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	?>		?>

-	Locate the PHP eAccelerator ini file normally found here: /etc/php.d/eaccelerator.ini and, if necessary, modify this setting specifying a suitable amount of shared memory, dependent on what you have available;	+	Locate the PHP eAccelerator ini file normally found here: <font color="darkorange">/etc/php.d/eaccelerator.ini</font> and, if necessary, modify this setting specifying a suitable amount of shared memory, dependent on what you have available;

	eaccelerator.shm_size = "0"		eaccelerator.shm_size = "0"
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	The default value is 0, which specifies the operating system default, normally 16 or 32Mb. Refer to this article if you want to use more; http://www.eaccelerator.net/wiki/Settings		The default value is 0, which specifies the operating system default, normally 16 or 32Mb. Refer to this article if you want to use more; http://www.eaccelerator.net/wiki/Settings

-	Note some installations have PHP eAccelerator settings contained within the /etc/php.ini file itself.	+	Note some installations have PHP eAccelerator settings contained within the <font color="darkorange">/etc/php.ini</font> file itself.
		+
		+	Can be used in conjunction with Mediawiki sidebar and file caching.

	==[[Image:accessories-calculator-v2-medium.png]] View Counters ==		==[[Image:accessories-calculator-v2-medium.png]] View Counters ==

-	To disable the display of the page view counter on every page (which may save a second or so,) add the following to you '''LocalSettings.php''' file;	+	To disable the display of the page view counter on every page (which may save a second or so,) add the following to you <font color="darkorange">'''LocalSettings.php'''</font> file;

	$wgDisableCounters = true;		$wgDisableCounters = true;
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	== Sidebar Caching ==		== Sidebar Caching ==

-	Enabling client-side caching of the sidebar (navigation links etc.) will improve client performance after the sidebar has first been displayed. Add the following to you '''LocalSettings.php''' file;	+	Enabling client-side caching of the sidebar (navigation links etc.) will improve client performance after the sidebar has first been displayed. Add the following to you <font color="darkorange">'''LocalSettings.php'''</font> file;

	$wgEnableSidebarCache = true;		$wgEnableSidebarCache = true;

-	Sidebar caching is disabled by default. Once enabled, the default cache expiry time is 86400s. To adjust the expiry time, add the following to ~~you~~ '''LocalSettings.php''' file, replacing ssss with a suitable value;	+	Sidebar caching is disabled by default. Once enabled, the default cache expiry time is 86400s. To adjust the expiry time, add the following to your <font color="darkorange">'''LocalSettings.php'''</font> file, replacing ''ssss'' with a suitable value;

	$wgSidebarCacheExpiry = ssss;		$wgSidebarCacheExpiry = ssss;
		+
		+	Can be used in conjunction with PHP and Mediawiki file caching.
	{{AWM}}		{{AWM}}
	==[[Image:Emblem-documents-medium.png]] File Caching==		==[[Image:Emblem-documents-medium.png]] File Caching==

-	File Caching is probably only useful for single server implementations where most page views are by anonymous users.	+	File Caching is probably only useful for single server implementations where most page views are by anonymous users. It can be used with
	To enable file caching;		To enable file caching;

	*Create a suitable directory for cached files to be stored in and ensure it is writable by the web server		*Create a suitable directory for cached files to be stored in and ensure it is writable by the web server

-	*Add the following to you '''LocalSettings.php''' file;	+	*Add the following to you <font color="darkorange">'''LocalSettings.php'''</font> file;

-	$wgUseFileCache = true;	+	$wgUseFileCache = true;
-	$wgFileCacheDirectory = "$IP/cache";	+	$wgFileCacheDirectory = "$IP/cache";
-	$wgShowIPinHeader = false;	+	$wgShowIPinHeader = false;
		+	$wgDisableCounters = true;

	See here for more information on file caching operation: http://www.mediawiki.org/wiki/Manual:File_cache		See here for more information on file caching operation: http://www.mediawiki.org/wiki/Manual:File_cache
		+
		+	You'll not the last setting above [[#View Counters\|disables view counters]]; this is to ensure pages in the cache are used, if view counters are not disabled, every time a page is viewed the cached version will be stale as the page counter on the page will have been incremented.
		+
		+	Can be used in conjunction with PHP and Mediawiki sidebar caching.

	==[[Image:text-x-script-medium.png]] Minify/Compact Java Files==		==[[Image:text-x-script-medium.png]] Minify/Compact Java Files==
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	In my experience most files can be reduced by around 50%. The most useful gains can be made with these files;		In my experience most files can be reduced by around 50%. The most useful gains can be made with these files;

-	*wikibits.js	+	<font color="darkorange">*wikibits.js
	*mwsuggest.js		*mwsuggest.js
	*upload.js		*upload.js
-	*protect.js	+	*protect.js</font>

	Note however that you'll need to repeat this process everytime you upgrade.		Note however that you'll need to repeat this process everytime you upgrade.
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	In my experience most files can be reduced by around 30 to 50%. The most useful gains can be made with these files;		In my experience most files can be reduced by around 30 to 50%. The most useful gains can be made with these files;

-	*common.css	+	<font color="darkorange">*common.css
-	*oldshared.css	+	*oldshared.css</font>

-	Note however that you'll need to repeat this process ~~everytime~~ you upgrade.	+	Note however that you'll need to repeat this process every time you upgrade.

	{{Related Articles}}		{{Related Articles}}

-	See our other [[:Category:How To\|How To...]] articles	+	See our other [[:Category:How To\|How To...]] and [[:Category:Performance\|Performance]] articles

Improve Apache 2.x Performance

2010-09-02T11:32:15Z

← Older revision		Revision as of 11:32, 2 September 2010
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	Note: Notice level messages are always logged, regardless of the LogLevel setting, unless you are logging to a Syslog server.		Note: Notice level messages are always logged, regardless of the LogLevel setting, unless you are logging to a Syslog server.
-		+	{{AWM}}
	==[[Image:applications-system-medium.png]] Processes==		==[[Image:applications-system-medium.png]] Processes==

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	[[Improve MySQL Performance\|MySQL]]		[[Improve MySQL Performance\|MySQL]]

-	Take a look at our other [[:Category:How To\|How To...]] articles	+	Take a look at our other [[:Category:How To\|How To...]] and [[:Category:Performance\|Performance]] articles

	{{Further}}		{{Further}}

← Older revision		Revision as of 05:03, 7 September 2010
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	Information on [[:Category:Zebra Commands\|Zebra commands]]		Information on [[:Category:Zebra Commands\|Zebra commands]]

-	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:~~Tux~~-small.png]]	+	Information on [[:Category:Linux Commands\|Linux commands]] [[Image:linux-logo-small.png]]

	Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]		Information on [[:Category:F5 BigIP Commands\|F5 BigIP commands]] [[Image:F5-logo-small.png]]