need to list all open ports in Linux cloud server. How do I check open ports in Linux using the CLI? Can you give me the command to check open ports in Linux operating system?
ow do I check CPU temperature in OpenSUSE Linux using a command line and GUI tools on my Thinkpad laptop?
am trying to delete a directory in Linux using the rmdir dir1
command. But, I am getting an error that read as follows: rmdir: failed to remove `dir1': Directory not empty
How do I force remove and delete a directory in Linux?
am a new Linux system admin. How do I obtain the number of CPUs and cores in the Linux system from the command line? How do I determine the number of CPUs on Linux?
do not wish to use Google Authenticator or Authy app that generates 2 step verification (2FA) codes on my iOS/Android phone. Is there any way I can produce 2FA codes from Linux command line for popular sites such as Gmail, Twitter, Facebook, Amazon and more?
an you explain bash exit status code? How do I set bash exit status in my Linux shell scripts?
installed Linux on Intel NUC. I need to find Intel NUC BIOS version. How do I find out BIOS version, date, and model name of my Intel NUC using Linux command-line options?