root user

Explains how to reset Urchin to prompt for a new serial key under Linux / UNIX / BSD operating systems.

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If you are a proud owner of IBM / Lenovo laptop / desktop computer use vpddecode command to print the “vital product data” information without opening your case or rebooting the system. This information is hardcoded on almost all IBM and Lenovo computers BIOS. It will show following information: => BIOS Build ID => Box […]

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Sometime it is necessary to find out if a shell script is being run as root user or not. When user account created a user ID is assigned to each user. BASH shell stores the user ID in $UID variable. Your effective user ID is stored in $EUID variable. You can Old way… You can […]

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I was writing and testing few python scripts (yes I’m moving lot of stuff from shell / perl to python these days) and accidentally I renamed my own user account from vivek to test. However, I did not noticed change until I rebooted my box. Now I cannot run sudo (or become a root user) […]

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Windows XP has a small option called Run as command.. You can add similar option to Linux desktop to open or run file as root via a right click. The following tutorial explains how to add a context menu item that enables a Linux user to open files as the root user when browsing their […]

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Recently updated/posted Linux and UNIX FAQ (mostly useful to Linux/UNIX new administrators or users) : Howto mount an ISO image in AIX UNIX Linux Changing DNS Search Order Howto run a shell script without changing file access permission Email multiple file attachment from Solairs / AIX / HP-UX UNIX command line AIX UNIX Monitor CPU […]

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With FreeBSD version 5.4 and above the booting procedure is slightly changed. The older version of FreeBSD uses the boot -s option at Ok prompt. However, with FreeBSD version FreeBSD 5.4+ you don’t have to type any commands. Here is the procedure to boot FreeBSD into a single user mode to reset root password.

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