Useful tips for everyday
When does cron job B run in parallel? This will depend on the task you want to do, obviously. They are run in parallel. Cron…
How to paste in insert mode in Linux? Shift + Insert is simply an OS-wide paste key-combination ( Ctrl + Insert is the corresponding ‘copy’).…
How to set locale in the current terminal? For the latter, look at the output from the locale command, which lists all of the environment…
What happens if nslookup fails? If the issue occurs when the service is running, the server might not be listening on the IP address that…
How do I create a ramdisk in Linux? Create a folder to use as a mount point for your RAM disk. Then use the mount…
Which are the correct programs to swap variables in a single line? C program to swap two variables in single line #include void main() {…
Is there a way to add multiple patterns to grep? This option treats the pattern you used as an extended regular expression. The deprecated version…
How do you check if XML document is blank or has values? Trim() ), read the stream in a string first and compare with string.…
How do I find my WiFi password in Linux? In Network Connections, you’ll see all the WiFi networks you have been connected in the past.…
How do I add unallocated disk space to a partition in Linux? You might need to use “Edit → Apply All Operations” for Swapoff to…