Neo - Articles http://neotechpulp.wordpress.com Neo's technical articles Thu, 26 Feb 2009 23:15:29 +0000 http://wordpress.com/ en hourly 1 http://www.gravatar.com/blavatar/550d9ad9deb2172bca49783eed185910?s=96&d=http://s.wordpress.com/i/buttonw-com.png Neo - Articles http://neotechpulp.wordpress.com How configure Proxy settings in Firefox Browser http://neotechpulp.wordpress.com/2009/02/26/how-configure-proxy-settings-in-firefox-browser/ http://neotechpulp.wordpress.com/2009/02/26/how-configure-proxy-settings-in-firefox-browser/#comments Thu, 26 Feb 2009 23:01:34 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=91 ]]>

Open Firefox browser and open preferences window by selecting the menu as shown below. Press “Edit” in the menu bar and then press “Preferences” item in the menu. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/how-configure-proxy-settings-in-firefox-browser/feed/ 0 neotechpulp How to get exit code of previous command in Bash http://neotechpulp.wordpress.com/2009/02/26/how-to-get-exit-code-of-previous-command-in-bash-2/ http://neotechpulp.wordpress.com/2009/02/26/how-to-get-exit-code-of-previous-command-in-bash-2/#comments Thu, 26 Feb 2009 22:59:42 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=88 ]]>

he special variable “$?” returns the exit code of last executed command in Bash shell script. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/how-to-get-exit-code-of-previous-command-in-bash-2/feed/ 0 neotechpulp Why my application can’t open more than 1024 or 4096 sockets in Linux http://neotechpulp.wordpress.com/2009/02/26/why-my-application-can%e2%80%99t-open-more-than-1024-or-4096-sockets-in-linux-2/ http://neotechpulp.wordpress.com/2009/02/26/why-my-application-can%e2%80%99t-open-more-than-1024-or-4096-sockets-in-linux-2/#comments Thu, 26 Feb 2009 22:58:22 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=86 ]]>

Typically socket “open” call doesn’t fail unless you have missed out closing the previous connections using “close” system call. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/why-my-application-can%e2%80%99t-open-more-than-1024-or-4096-sockets-in-linux-2/feed/ 0 neotechpulp Bash shell script to convert string from lower to upper case and vice versa http://neotechpulp.wordpress.com/2009/02/26/bash-shell-script-to-convert-string-from-lower-to-upper-case-and-vice-versa/ http://neotechpulp.wordpress.com/2009/02/26/bash-shell-script-to-convert-string-from-lower-to-upper-case-and-vice-versa/#comments Thu, 26 Feb 2009 22:57:00 +0000 neotechpulp http://neotechpulp.wordpress.com/2009/02/26/bash-shell-script-to-convert-string-from-lower-to-upper-case-and-vice-versa/ ]]>

The “tr” command can be used to convert a string variable to upper or lower case. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/bash-shell-script-to-convert-string-from-lower-to-upper-case-and-vice-versa/feed/ 0 neotechpulp Why GNU Make always says `target’ is up to date http://neotechpulp.wordpress.com/2009/02/26/why-gnu-make-always-says-target%e2%80%99-is-up-to-date-2/ http://neotechpulp.wordpress.com/2009/02/26/why-gnu-make-always-says-target%e2%80%99-is-up-to-date-2/#comments Thu, 26 Feb 2009 22:55:45 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=83 ]]>

The GNU make expects the rule target to be files by default. That’s why it first checks the presense of a file/directory with the name specified in the rule. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/why-gnu-make-always-says-target%e2%80%99-is-up-to-date-2/feed/ 0 neotechpulp GNU Make – How to compile all c files in present directory http://neotechpulp.wordpress.com/2009/02/26/gnu-make-how-to-compile-all-c-files-in-present-directory-2/ http://neotechpulp.wordpress.com/2009/02/26/gnu-make-how-to-compile-all-c-files-in-present-directory-2/#comments Thu, 26 Feb 2009 22:53:54 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=80 ]]>

The “shell” built-in function supported by GNU Make can be used to get the list of C source files in a directory. Then a list of corresponding object files can be created by replacing the file extension in the file list. Read Full Article.

]]> http://neotechpulp.wordpress.com/2009/02/26/gnu-make-how-to-compile-all-c-files-in-present-directory-2/feed/ 0 neotechpulp How to find file name of the script with in a bash shell script http://neotechpulp.wordpress.com/2009/02/26/how-to-find-file-name-of-the-script-with-in-a-bash-shell-script-2/ http://neotechpulp.wordpress.com/2009/02/26/how-to-find-file-name-of-the-script-with-in-a-bash-shell-script-2/#comments Thu, 26 Feb 2009 22:52:23 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=78 ]]>

With in a bash shell script, you can use the very first command line argument ($0) to find the name of the script. The following example explains it. Read Full Article for more details with example.

]]> http://neotechpulp.wordpress.com/2009/02/26/how-to-find-file-name-of-the-script-with-in-a-bash-shell-script-2/feed/ 0 neotechpulp How to get “Show Desktop” button to my Fedora 10 (KDE4) Panel http://neotechpulp.wordpress.com/2009/02/26/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel-2/ http://neotechpulp.wordpress.com/2009/02/26/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel-2/#comments Thu, 26 Feb 2009 22:50:31 +0000 neotechpulp http://neotechpulp.wordpress.com/2009/02/26/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel-2/ ]]>

You can simply press Ctrl+F12 to get what you expect from “Show Desktop” button on KDE panel. Pressing the same combination of keys will toggle the previous action. Read Full Article for detailed procedure with screenshots.

]]> http://neotechpulp.wordpress.com/2009/02/26/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel-2/feed/ 0 neotechpulp How to get multimedia support in Fedora 10 http://neotechpulp.wordpress.com/2008/12/05/how-to-get-multimedia-support-in-fedora-10/ http://neotechpulp.wordpress.com/2008/12/05/how-to-get-multimedia-support-in-fedora-10/#comments Fri, 05 Dec 2008 14:24:08 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=75 ]]>

There is a repository RPMFusion.org from where you can get the multimedia related software.

Read Full Article

]]> http://neotechpulp.wordpress.com/2008/12/05/how-to-get-multimedia-support-in-fedora-10/feed/ 0 neotechpulp How to get “Show Desktop” button to my Fedora 10 (KDE4) Panel http://neotechpulp.wordpress.com/2008/12/05/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel/ http://neotechpulp.wordpress.com/2008/12/05/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel/#comments Fri, 05 Dec 2008 14:19:30 +0000 neotechpulp http://neotechpulp.wordpress.com/?p=72 ]]>

Read Full Article on step by step approach to add “Show Desktop” button with screen shots.

]]> http://neotechpulp.wordpress.com/2008/12/05/how-to-get-%e2%80%9cshow-desktop%e2%80%9d-button-to-my-fedora-10-kde4-panel/feed/ 0 neotechpulp