FAQ

Question: How do I open Firefox browser (or any application) automatically when I login to Ubuntu or Kubuntu ? Answer: In gnome you can do this by using the gnome-control-center (or) directly from the “Startup Application Preferences” as explained in this article. Step 1: Go to “Startup Application Preferences” in Ubuntu Go to System -> [...]

Question: How to enable automatic login in Ubuntu or Kubuntu ? Answer: You can enable auto login in Ubuntu using the following 3 simple steps. Please understand that it is not security best practices to enable the automatic login. Do this only if you are in a controlled environment and very confident that nobody will [...]

Question: Why my cron job does not get executed at the specified time ? Answer: There may be lot of reasons why a cron job may not get executed. Let us review 5 important reasons of why a cron job does not run at the specified time and how to resolve those issues. 1. Misinterpretation [...]

Question: How do I change MySQL root Password? Answer: You can change MySQL root password using one of the following 3 methods. These methods can be used on both Windows and Unix Environment including Ubuntu, Debian, CentOS, Fedora, RedHat, Arch Linux, SUSE etc., Method 1. How to Change MySQL Root Password Using mysqladmin Command? You [...]

Question: How do I view, modify and recreate the new initrd.img on Ubuntu, Debian, CentOS, Fedora, Red-Hat, Arch Linux, or SUSE distributions? 1. How To View Content Of initrd.img file? initrd.img is in gzip format.  So move initrd.img to initrd.gz as shown below. # cp /tftpboot/el5/initrd.img . # ls cdrom initrd.img # mv initrd.img initrd.gz [...]

Question: How do I find out all the available file attributes. i.e I would like to know more about a file or directory than what the ls -l command displays. Answer: Everything in Unix is treated as files. This includes devices, directories and sockets — all of these are files. Stat command displays file or [...]

Question: What is the reason my cron job does not gets executed when i use percentage ‘%’ in my cron job. How to solve this issue ? Answer:‘%’ is the new line specifier in cron command. Thus when you use % it is interpreted as a new line in the cron job. Let us see [...]