Useful tips for everyday
How do I select a specific column in a text file? Select a beginning column and pressing Alt Shift use ↓ key. With the cursor…
Can a variable take more than one value? A variable holds more than one value if you declare it to be of a composite data…
How do I turn my scroll back on? If your pad does not appear to allow scrolling, turn the feature on through your driver settings.…
How do I remove a package from Debian? So you log in and run the command: sudo apt-get remove packagename (where packagename is the actual…
What does N do in sed? N reads the next line into pattern space. [Now there are 2 lines in pattern space.] If there is…
How is journalctl used to filter systemd logs? The systemd journal has many fields that can be used for filtering. Some of those are passed…
Is mv command Atomic? For any individual file, the move or rename performed by mv is atomic provided that the file is moved within the…
What is the default root password for Linux Mint? The normal default user should be “mint” (lowercase, no quotation marks) and when asked for a…
How to convert a string to a date in Bash? I have a string in the format “yyyymmdd”. It is a string in bash and…
How do I access a dead hard drive? To Recover Deleted Data from a Damaged Hard Drive: Download & Install Disk Drill on your computer.…