Useful tips for everyday
How do I get out of grub prompt in Linux? If you press escape in grub menu you end up at the grub command prompt.…
How to use the cd command in bash scripts? A Common Problem Let’s begin with a script that begins by navigating to the /var/log directory.…
How do you put a header on awk? Different ways to add header and trailer line to a file To add a header record to…
Can you use regex with LS? Bash, and thus ls , does not support regular expressions here. What it supports is filename expressions (Globbing), a…
How do I SSH into a Python script? How to SSH into a server in Python host = “test.rebex.net” port = 22. username = “demo”…
How do I convert days to date in Excel? For example if cell A2 has an invoice date in it of 1/1/2015 and cell B2…
How to run multiple instances of the same systemd unit? For example, if we request a service called [email protected], systemd will first look for an…
What is the default package management tool for a Debian box? APT, on the other side, is a collection of different tools used for managing…
Why is my 2.4 GHz WiFi not working? To be assured about the problem, you will need to reset your router to the default settings.…
How does the shell module work in Ansible? The Ansible Shell Module allows you to run arbitrary commands on a remote host, just like you…