Learn to list all open ports on Linux or Unix system. Also view associated process with them. Handy tip to troubleshoot service connectivity issues.
Three tricks to get two or multiple commands output in single row. Normally two commands outputs will be always separated by carriage return in Linux terminal.
Learn how to get directory total size in Linux without calculating each and every file’s size within.Very handy command to troubleshoot mount point utilization.
Learn how to run same/repetitive command on multiple Linux servers from Windows machine. This trick uses command line putty ‘plink’ utility.