Author Archives: Linux Delhi Administrator

An A-Z Index of the Bash command line for Linux

a alias Create an alias apropos Search Help manual pages (man -k) apt-get Search for and install software packages (Debian/Ubuntu) aptitude Search for and install software packages (Debian/Ubuntu) aspell Spell Checker awk Find and Replace text, database sort/validate/index b basename Strip directory and suffix from filenames bash GNU Bourne-Again SHell bc Arbitrary precision calculator language bg Send to background break ...

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Linux Commands Interview Questions & Answers

Q:1 How to check current run level of a linux server ? Ans: ‘who -r’ & ‘runlevel’ commands are used to check the current runlevel of a linux box. Q:2 How to check the default gatway in linux ? Ans: Using the commands “route -n” and “netstat -nr” , we can check default gateway. Apart from the default gateway info ...

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Lubuntu Linux Installation Guide with Screenshots

Installing Lubuntu Boot from your live CD or USB drive and choose your native language. (Unless of course you feel you need an extra challenge). You can either choose the “Try Lubuntu without installing option” or the “Install Lubuntu” option. I always boot into the live mode and run the installer from there. When the live version of Lubuntu loads ...

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Basic Linux Interview Questions Part-1

1) What is Linux? Linux is an operating system based on UNIX, and was first introduced by Linus Torvalds. It is based on the Linux Kernel, and can run on different hardware platforms manufactured by Intel, MIPS, HP, IBM, SPARC and Motorola. Another popular element in Linux is its mascot, a penguin figure named Tux. 2) What is the difference ...

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Basic Linux Interview Questions Part-2

1) What is the importance of the GNU project? This so-called Free software movement allows several advantages, such as the freedom to run programs for any purpose and freedom to study and modify a program to your needs. It also allows you to redistribute copies of a software to other people, as well as freedom to improve software and have ...

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Basic Linux Interview Questions Part-3

1) Are drives such as harddrive and floppy drives represented with drive letters? No. In Linux, each drive and device has different designations. For example, floppy drives are referred to as /dev/fd0 and /dev/fd1. IDE/EIDE hard drives are referred to as /dev/hda, /dev/hdb, /dev/hdc, and so forth. 2) How do you change permissions under Linux? Assuming you are the system ...

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Basic Linux Interview Questions Part-4

1) What is the pwd command? The pwd command is short for print working directory command. It’s counterpart in DOS is the cd command, and is used to display the current location in the directory tree. 2) What are daemons? Daemons are services that provide several functions that may not be available under the base operating system. Its main task ...

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Basic Introduction of openSUSE

  openSUSE is a community distribution with big backing. As with Mageia and Mint there are a number of desktop environments to choose from including Gnome, KDE, XFCE and LXDE. openSUSE should definitely be tried by new users and users looking for an alternative to Mint, Mageia and Ubuntu. The operating system is stable and it is relatively easy to ...

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Linux Mint Installation Guide with Screenshots

Linux Mint is a Linux distribution that is growing rapidly in popularity, thanks in large part to its ease-of-use and simplistic, clean design which was made to make it easy for users of Windows to make the switch. Like most Linux distributions, it is free to download and install as many times as you’d like, on as many machines as ...

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How to enable or disable services in Gentoo

Gentoo Linux also uses a script to enable or disable services during boot-up. The name of the script is rc-update. Gentoo has three default run levels. They are – boot, default and nonetwork.   How to enable a service Lets set Apache web server to start in the default runlevel. # rc-update add apache2 default   How to disable a ...

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