DeveloperBreeze

Linux Programming Tutorials, Guides & Best Practices

Explore 49+ expertly crafted linux tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.

Essential dpkg Commands Cheat Sheet for Debian and Ubuntu Systems

Cheatsheet October 24, 2024

  sudo apt install package_name
  • To view detailed documentation and all possible commands for dpkg, use the manual page:

Creating and Managing a Linux Firewall with `iptables` and `firewalld`

Tutorial August 19, 2024
bash

  • Start and Enable firewalld:
   sudo systemctl start firewalld
   sudo systemctl enable firewalld

Using Docker on Linux: From Installation to Deployment

Tutorial August 19, 2024
bash

   sudo yum install docker-ce
   sudo systemctl start docker

Mastering Linux Package Management: APT, YUM, DNF, and More

Tutorial August 19, 2024
bash

Alternatively, you can use the apt command for a simpler interface:

sudo apt install package-name

Understanding and Managing Linux File Permissions

Tutorial August 19, 2024
bash

Permissions can also be set using numeric (octal) notation. Each permission is represented by a number:

  • Read (r): 4
  • Write (w): 2
  • Execute (x): 1