Useful tips for everyday
Why do we use in regular expression? Regular expressions are particularly useful for defining filters. Regular expressions contain a series of characters that define a…
What does executing in the background mean? When you start a process in the background, the shell does not wait for it to complete or…
How do I change the first line of a file in Linux? with “>>” append this to the file and whit “>” remove the content…
Can you git pull without cloning? There are only several commands that makes interactions with remote, the most used ones are: “git push”, “git fetch”,…
How do I change my Kali username? How to Change the username or userID in Kali Linux? To get the user id of a user…
Does iptables use nftables? nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames. It has been available since Linux…
How does netstat get its information? Netstat — derived from the words network and statistics — is a program that’s controlled via commands issued in…
Can you record audio in FFmpeg Stack Overflow? I am able to record audio perfectly fine with the command: I’m getting a video with 0…
How do I get Ubuntu to recognize my headphones? How to using headphone in Ubuntu: Install update for Ubuntu. Install GNOME alsa mixer. Plug in…
Is there a strongSwan plugin for NetworkManager? The original strongSwan NM plugin and the NetworkManager VPN module were based on the NetworkManager 0.9 interface. Version…