Useful tips for everyday
When do processes belong to the same session? In other words, all the processes in a process group must belong to the same session. setpgid…
How to extract last 6 characters from string? Extract last n characters. For example, extract last 6 characters from a list of string, please select…
Can a grep list process multiple files at once? Thanks! grep can process multiple files in one go, and then has the attractive added bonus…
Why do we use bin sh in shell script? /bin/sh is an executable representing the system shell and usually implemented as a symbolic link pointing…
Why is email CRON not sending local mail? I’m using a very plain Ubuntu Server 9.04, and cron isn’t delivering any mail to my /var/mail/USER…
How do I read dmesg time? 9 Answers. Understanding dmesg timestamp is pretty simple: it is time in seconds since the kernel started. So, having…
How do I enable WiFi on Debian? NetworkManager on KDE Plasma Click “Connect to Other Wireless Network…”. Enter the network’s name in “Name (ESSID)”. Tick…
How do I create a custom terminal in Windows? In this article Launch the terminal with a keyboard shortcut. Launch the terminal from Windows Explorer.…
How do I permanently mount a network drive in Ubuntu? open ‘Terminal’ and enter the following commands: install cifs utilities. create mount points for windows…
How do I reuse a previous command in Linux? restore command in Linux system is used for restoring files from a backup created using dump.…