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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)...
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)”
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...
Use the following steps to do the reverse search in your bash history. $ Ctrl + R $(reverse-i-search)`’: [start typing command…] [Tab/Enter] – Tab will complete the command and brings back the CLI. -...
Custom terminal titles are an easy way to keep track of the processes in each terminal, when you have multiple terminal tabs open in the same window. Ubuntu desktop(Gnome) lets you set them using...
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