Type the ss command or netstat command to see if a TCP port 443 is in use on Linux? The port 443 is in use and opened by…

Operating system secrets

When you start Linux Mint, simply press and hold down the Shift key to display the GRUB boot menu at startup. The following boot menu appears in Linux…

Operating system secrets

update-alternatives creates, removes, maintains and displays information about the symbolic links comprising the Debian alternatives system. It is possible for several programs fulfilling the same or similar functions…

Operating system secrets

If there’s a Windows game or other app you just can’t do without, you can use Wine to run it right on your Ubuntu desktop. Wine is a…

Operating system secrets

How do I install manjaro on my computer? Start the installer. After you boot, there’s a welcome-window that has an option to Install Manjaro. If you closed the…

Operating system secrets

How do I reinstall kernel Manjaro? GUI Tool. Manjaro Settings Manager offers an easy way to add and remove kernel (including the necessary kernel modules). New kernels can…

Operating system secrets

Check that your wireless adapter is enabled and that Ubuntu recognizes it: see Device Recognition and Operation. Check if drivers are available for your wireless adapter; install them…

Operating system secrets

To set the limit when starting the program, use ulimit -v 400 , as indicated by polemon. This sets the limit for the shell and all its descendants,…

Operating system secrets

Everything on your Linux system is located under the / directory, known as the root directory. You can think of the / directory as being similar to the…

Operating system secrets

A. You can use ls -l command (list information about the FILEs) to find our the file / directory owner and group names. The -l option is known…

Operating system secrets