Category: Ubuntu


How to run unix commands from nodejs?

Nodejs allows us to execute linux commands from its child process module as shown below. var exec = require(‘child_process’).exec; // any unix based command var cmdToLaunch = “ls -la”; function execCB (error, stdout, stderr)...


How to check your ubuntu version

Occasionally you might want to know the version of ubuntu when installing a package. I usually use the following command $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=13.10 DISTRIB_CODENAME=saucy DISTRIB_DESCRIPTION=”Ubuntu Saucy Salamander (development branch)”


-nt file test operator in bash

File based condition for if statements in bash Condition: [ newerfile -nt olderfile ] Description: newerfile was changed more recently than olderfile, or if newerfile exists and olderfile doesn’t. Example: if [ file1.txt -nt...