Use systemd service to automatically extend existing ext4 filesystem on boot or on-demand to optimize virtual machine configuration.
The simplest possible solution to display bind mounts.
I have already described how to accurately determine when the system was booted, but there is a simpler solution as you can use
/proc filesystem directly.
Create swap file to optimize virtual machine configuration or just immediately increase available swap space.
Extract a specific file from a tar archive.
Increase the number of connection attempts when using ansible utility.
Determine whether a full CentOS 7 reboot is required and which services need to be restarted.
Increase the system-wide number of available file handles (open files).
Automatically clear GNU Bourne-Again SHell history when you exit a login shell.
Inspect parent processes to determine whether shell script or specific process has been executed locally, remotely, or by any other application.