Archive for the ‘System Administration’ Category

Mirror of the Google Libraries API CDN

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A subset mirror of the Google Libraries API CDN meant to be served from your local development machine when internet access is lacking. This will increase your overall browsing experience. (for sites like wordpress, Blogspot, Google products etc)

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How To Download a RPM Package Using yum Command Without Installing On Linux

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If you ever wanted to download the rpm package instead of installing it with yum ! you can do that with ease, that is useful when you want to keep backup of some RPMs or want to see what’s inside RPM etc.
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Install XWindows (Graphical mode) in Linux

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If you recently installed linux (CentOS/Fedora/RedHat) with text mode and now want to use its Graphical GUI which was left unchecked during the installation, you can install it from Internet very easily.

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Telnet – POP Commands (retrieving mail using telnet)

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In order to access your mailbox you will need 4 things:

  • An active internet connection
  • The address of your pop mail server (e.g. mail.domain.ext)
  • Your username (e.g. UserName/Email Address normally)
  • Your password (e.g. Password)

The first thing to do is to open a connection from your computer to your mail server.

telnet mail.domain.ext 110

You should receive a reply like:

Trying ???.???.???.???...
Connected to mail.domain.ext.
Escape character is '^]'.
+OK ready

Then log in:

USER userName

This should give you:

+OK Password required for userName.

Now give your password:

PASS passW0rd

Should yeild:

+OK userName has ? visible messages (? hidden) in ????? octets.

To see a list of your emails awaiting collection use the

LIST

command, this will also show you the id number of your messages (e.g. 1 or 2 etc.)
To view the contents of an email type

RETR

+ the id number of the message (e.g

RETR 1

).
To delete a message use

DELE

+ the id number of the message (e.g

DELE 1

).
To leave your mailbox and close the connection use

QUIT

Firefox , Flash player 11.3 & protected mode (Issues)

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Recently (June 6, 2012) Adobe introduced its new Flash player version 11.3 which supports protected mode for advance protection and allow flash plugin to run outside browser process and create separate sand-boxed version of flash plugin with low integrity process that will surely increase protection from bugs/flaws in Flash players discovered in the recent past. But now Flash plugin is directly accessing Internet instead of asking its parent process, like in the past, Firefox/IE or other browsers were responsible for communicating with the internet, but this new upgraded version of plugin needs direct internet communication (which is bad in my opinion, as now we needs to track its outgoing/incoming connection separately, no matter it is running with low/little access of system resources) Read the rest of this entry »


Update PHP 5.1 to PHP 5.3 in CentOS

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Updating PHP in CentOS to latest PHP 5.3 or PHP 5.4 is not an easy task so I am writing this post. I had to do this for a project in which I need to install latest Zend Loader with PHP 5.3 support. Read the rest of this entry »