August 2005

Under MS-Windows we all used hot function keys. Can we define hot keys under Linux? For example when I hit F1 key it should start top command or when I press F2 it should show the list of logged in users etc. Linux comes with loadkeys utiluitity – its main purpose is to load the […]


As my journey continues to exploring HP-UX I found couple of nice utilities and tools to configure and administrate HP-UX networking subsystem. FILES /etc/hosts – Hosts configuration file (resolve hosts and IPs) /etc/rc.config.d/netconf – IP address, routeing address and hostname stored in this file SCRIPTS /etc/init.d/net start – Use to start, stop network service HPUX […]

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Working at the shell prompt is an essential task for any Linux system administration. However many newcomers find it difficult to work at the bash prompt. Here are some tricks to speed up your work.


Generally, I need to switch my Gnome screen size to 800×600 to watch TV via TV-Tunner card as my card supports max 800×600 resolution. For rest of my work I prefer to use 1024×768 pixels. You can create a shortcuts on the desktop to resize screen quickly:


Recently I had chance to play with HP-UX UNIX on HP hardware. To my surprise most of Linux command do work with HP-UX with some minor changes in syntax :). It has nifty tool called SAM (The System Administration Manager) is a GUI user interface for performing most routing administrative tasks without using command line […]


Linux kernel includes magic system request keys. It was originally developed for kernel hackers. However, you can use this hack to reboot, shutdown or halt computer safely (remember safe reboot/shutdown == flush filesystem buffers and unmount file system and then reboot so that data loss can be avoided). This is quite useful when Linux based […]


This is one the essential and important task. Many time we upgrade our kernel and some precompiled drivers won’t work with Linux. Especially if you have weird hardware; then vendor may send you driver code aka C files to compile. Or even you can write your own Linux kernel driver. Compiling kernel driver is easy. […]