Useful tips for everyday
What does exporting a variable do? 14 Answers. export makes the variable available to sub-processes. means that the variable name is available to any process…
What does the semicolon mean in a function? A semicolon is used to separate variables from parameters. Quite often, the terms variables and parameters are…
Which command to find all the files which are changed in last 1 hour? Example 1: Find files whose content got updated within last 1…
Can you do a multiline search with grep? Without the need to install the grep variant pcregrep, you can do multiline search with grep. -P…
What does flagging mean in slang? If something is flagging, it’s worn out or weak. A flagging political campaign is running out of steam, losing…
How to convert iptables-service rules into firewalld rules? Other option would be to disable firewalld and continue to use the old iptables and ip6tables services.…
How do I find the size of a directory wise in Linux? Find Largest Directories in Linux du command: Estimate file space usage. a :…
How do I boot without initrd? Booting the Linux Kernel Without an initrd/initramfs Remove initrd/initramfs support from the linux kernel. Remove UUIDs from kernel command…
How do I turn off my audio jack detection? Device Properties Click on the Sound tab at the left side of the screen, then choose…
How to check swap space usage in Linux? You can also refer to the /proc/swaps file to see swap areas in use on Linux. Type…