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Backup your LUKS header and LVM config
Compiling gqrx on CentOS
Quick virtualisation guide
Playing with software defined networking
CentOS
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in centos, worked. Thanks. from root user's gnome-desktop's terminal window, i had to do this: sudo -u ff -H xhost 127.0.0.1 sudo -u ff -H firefox how can i run firefox, xchat, etc multiple internet applications by using a same non root username (for example, username: 'InternetApps') ?
To use or run other multiple internet applications as a non root or less privileged user, following can be done : Create another user name "InternetApps", instead of "ff", in the way mentioned in the main article. In this article (author 'Calum') & in user comment 3, replace the all word "ff" with "InternetApps". List your other internet applications like this: yourusername yourhostname=(InternetApps) NOPASSWD: /usr/bin/firefox, /usr/bin/xchat, /usr/bin/thunderbird In my case i used 'root' as 'yourusername', and i used 'localhost' in place of 'yourhostname". To run Firefox in centos, i used: sudo -u InternetApps -H firefox & To run thunderbird: sudo -u InternetApps -H thunderbird & ... Now, enjoy safer websurfing & safer internet accessing. This comment shared with you & submitted by Bry8Star.
I copied the "/usr/bin/firefox" script, then renamed that(copy) to "/usr/bin/firefox-InternetApps". Using the visudo, add this '/usr/bin/firefox-InternetApps' into the NOPASSWD line. If someone wants to further modify the 'firefox-InternetApps' script, then they can do so. Now create a Firefox Profile inside firefox for 'InternetApps' user : sudo -u InternetApps -H firefox-InternetApps -profilemanager -no-remote & A window will appear, to allow you to add new Profile(s), create 'InternetApps'. Start firefox & then exit from it. Now following command will start firefox & take us inside the 'InternetApps' profile : sudo -u InternetApps -H firefox-InternetApps -p InternetApps -no-remote & I copied the "/usr/bin/firefox" script (not a link) file, then renamed that (copied) file to "firefox-ia", open "firefox-ia" with a text editor, keep only the top two lines, delete all other lines, then add our commandline, it should look like this: #!/bin/sh # sudo -u InternetApps -H firefox-InternetApps -p InternetApps -no-remote & # end of file Then simply type : "firefox-ia" , (without the quote symbols,) to run firefox (under a non root user and with a different firefox profile). ... This process worked on centos 5.6 firefox 3.6.17. ~ Bry8Star.