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Install MediaWiki on Apache with mySQL

Posted 29/10/2014 by Chris & filed under MediaWiki.

From MediaWiki site: MediaWiki is a free software open source wiki package written in PHP, originally for use on Wikipedia.

I decided to give MediaWiki a try as a scripts repository so I thought I’d write a quick guide of how to install it on a Linux/Apache/mySQL server.

Assumptions

A fully qualified domain name with a host record pointing to a internet facing server
A fully working Linux server (my example is a Debian server)
Apache installed on the Linux server and listening on port 80
A preconfigured vhost
PHP installed
mySQL server installed

Installation

1. Download the compressed installation file

wget http://releases.wikimedia.org/mediawiki/1.23/mediawiki-1.23.5.tar.gz

1	wget http://releases.wikimedia.org/mediawiki/1.23/mediawiki-1.23.5.tar.gz

2. Extract the compressed archive

tar xvzf mediawiki*.tar.gz

1	tar xvzf mediawiki*.tar.gz

3. Copy files from mediawiki-1.23.5 folder to the root folder

cd mediawiki-1.23.5
mv * ../
cd ..
rm -rf mediawiki-1.23.5
rm mediawiki-1.23.5.tar.gz

cd mediawiki-1.23.5

mv * ../

cd ..

rm -rf mediawiki-1.23.5

rm mediawiki-1.23.5.tar.gz

4. Create mySQL Database

CREATE DATABASE $databasename

1	CREATE DATABASE $databasename

5. Create mySQL Database user

CREATE USER '$databaseuser'@'localhost' IDENTIFIED BY '$databasepass';

1	CREATE USER '$databaseuser'@'localhost' IDENTIFIED BY '$databasepass';

6. Grant database permissions to database

GRANT ALL PRIVILEGES ON $databasename.* TO '$databaseuser'@'localhost' IDENTIFIED BY '$databasepass';

1	GRANT ALL PRIVILEGES ON $databasename.* TO '$databaseuser'@'localhost' IDENTIFIED BY '$databasepass';

7. Flush mySQL privileges

flush privileges;

1	flush privileges;

8. Log into the site eg:

http://wiki.example.com

Click on “Complete the installation”

9. Select the language

10. Click continue

11. Input all database information

12. Change settings to suit your database requirements

13. Input name of MediaWiki and desired credentials

14. Configure options for your MediaWiki

15. Install MediaWiki

16. Installation complete

17. Download and copy the LocalSettings.php file to the root of the MediaWiki installation

18. Browse to your MediaWiki installation and log in

Example: http://wiki.example.com

Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you have read, please share it on your favourite social media medium.

Browse websites in a Linux terminal

Posted 14/10/2014 by Chris & filed under Linux & Unix.

I stumbled upon a package that allows the user to browse websites in a terminal, I thought I’d spin up a VM and try this for myself…

Installing W3M

This is very simple, requires one package (two if you want images displayed in Xterm)

apt-get install w3m w3m-img

1	apt-get install w3m w3m-img

Browsing

Now this isn’t going to look pretty as it’s in a terminal but it will work

w3m google.com

1	w3m google.com

Navigation

You can use the arrow keys to navigate to the section you want or use the mouse to click on the particular area.

shift+ b = Take you back a page

shift + u = Gives you a URL prompt

Shift + h = Help menu

Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you have read, please share it on your favourite social media medium.

Rebuild locale on Linux

Posted 01/10/2014 by Chris & filed under Linux & Unix.

A quick note on how to rebuild Linux locale, you might get the following errors if your locale is broken:

locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory

locale: Cannot set LC_CTYPE to default locale: No such file or directory

locale: Cannot set LC_MESSAGES to default locale: No such file or directory

locale: Cannot set LC_ALL to default locale: No such file or directory

To find out what locale is set, run the following:

locale

locale

Output should be something like this:

locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
LANG=en_AU.UTF-8
LANGUAGE=
LC_CTYPE=&quot;en_AU.UTF-8&quot;
LC_NUMERIC=&quot;en_AU.UTF-8&quot;
LC_TIME=&quot;en_AU.UTF-8&quot;
LC_COLLATE=&quot;en_AU.UTF-8&quot;
LC_MONETARY=&quot;en_AU.UTF-8&quot;
LC_MESSAGES=&quot;en_AU.UTF-8&quot;
LC_PAPER=&quot;en_AU.UTF-8&quot;
LC_NAME=&quot;en_AU.UTF-8&quot;
LC_ADDRESS=&quot;en_AU.UTF-8&quot;
LC_TELEPHONE=&quot;en_AU.UTF-8&quot;
LC_MEASUREMENT=&quot;en_AU.UTF-8&quot;
LC_IDENTI

locale: Cannot set LC_CTYPE to default locale: No such file or directory

locale: Cannot set LC_MESSAGES to default locale: No such file or directory

locale: Cannot set LC_ALL to default locale: No such file or directory

LANG=en_AU.UTF-8

LANGUAGE=

LC_CTYPE="en_AU.UTF-8"

LC_NUMERIC="en_AU.UTF-8"

LC_TIME="en_AU.UTF-8"

LC_COLLATE="en_AU.UTF-8"

LC_MONETARY="en_AU.UTF-8"

LC_MESSAGES="en_AU.UTF-8"

LC_PAPER="en_AU.UTF-8"

LC_NAME="en_AU.UTF-8"

LC_ADDRESS="en_AU.UTF-8"

LC_TELEPHONE="en_AU.UTF-8"

LC_MEASUREMENT="en_AU.UTF-8"

LC_IDENTI

To rebuild the locale, run the following: (using en_AU.UTF-8 as an example)

locale-gen en_AU.UTF-8

1	locale-gen en_AU.UTF-8

Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you have read, please share it on your favourite social media medium.

How to Upgrade Cisco Flash Firmware Version

Posted 26/09/2014 by Chris & filed under Cisco.

I recently had to upgrade a Cisco router to a new firmware version, so I thought I’d write up a quick how-to guide.

Prerequisites:

Download the new flash version from Cisco (you need a valid Cisco login)
TFTP the firmware to the Cisco device
Connect to the Cisco device using a console cable (highly recommended!

1. Log into the router
2. Elevate to enable

enable
&lt;password&gt;

1 2	enable <password>

3. Check to see if the flash is in the correct location

dir flash:

1	dir flash:

4. Enter configuration terminal

config term

1	config term

5. Disable current flash

no boot system

1	no boot system

6. Specify flash file

boot system flash: &lt;fullfilenameplusextension&gt;

1	boot system flash: <fullfilenameplusextension>

7. Exit out of configuration terminal

exit

exit

8. Display the version

show version

1	show version

If the last digit in the configuration register is 0 or 1 the n go to next step however if the last digit in the configuration register is between 2 and F then proceed to step 12

9. Enter configuration terminal

config term

1	config term

10. Run config-register command

config-register 0x2102

1	config-register 0x2102

11. Exit out of configuration terminal

exit

exit

12. Copy the running to startup

copy run start

1	copy run start

13. Restart the Cisco device

reload

reload

When prompted to save the configuration, enter no

When prompted to confirm and reload, enter yes

If the router reboots and then reboots again straight away, it has not worked and has reverted back to the last firmware version

If it simply reboots, log in and check the version

show version

1	show version

Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you have read, please share it on your favourite social media medium.

Citrix XenApp: Event 10001 – A usable server cannot be found on which to launch the application. Check your worker group definitions and load balancing policies to verify appropriate servers are assigned

Posted 23/09/2014 by Chris & filed under XenApp.

After rebooting my Citrix XenApp server, I was presented with an error in the application event log for the Citrix application stating the following: “A usable server cannot be found on which to launch the application. Check your worker group definitions and load balancing policies to verify appropriate servers are assigned”.

Details blanked out to protect the innocent

After doing a lot of Google searching, I came across a forum with someone with the same problem, to verify the issue I ran the following command:

qfarm /load

1	qfarm /load

It gave me a result of “1000” which apparently isn’t right

So to resolve this issue you have to rebuild the perfmon counters, in my example I am using Microsoft Windows 2008

lodctr.exe /r

1	lodctr.exe /r

If you need to rebuild the counters for Microsoft Windows Server 2003, see this article here

Additionally, you will find a summary of what the qfarm values are here:

0 to 9998 = This is a normal range for the load manager
99999 = No load evaluator is configured
10000 = load is at 100 percent (full)
10000! = Application disabled for this server
10001 = Out of licenses
10002 = No ICA connections are available for that server
20000 = Incorrect server edition or a license mismatch
99990 = No permission to run qfarm

It fixed the problem for me, hopefully for you too.

Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you have read, please share it on your favourite social media medium.

Install MediaWiki on Apache with mySQL

Assumptions

Installation

Browse websites in a Linux terminal

Installing W3M

Browsing

Navigation

Rebuild locale on Linux

How to Upgrade Cisco Flash Firmware Version

Prerequisites:

Citrix XenApp: Event 10001 – A usable server cannot be found on which to launch the application. Check your worker group definitions and load balancing policies to verify appropriate servers are assigned

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