Using a Jump Host (Bastion Host) for SSH (Secure Shell)
When managing remote servers, SSH (Secure Shell) is the go-to protocol for secure, encrypted connections. However, in enterprise environments, direct…
Mastering the mitmproxy (MITM interactive HTTPS Proxy) on Linux
In this post I want to show step by step how we can install the mitmproxy on different Linux distributions…
Mastering Oracle Linux Updates and Repos
In this post I want to show how we can manage updates and repositories in Oracle Linux, to demonstrate this…
.Bashrc vs .bash_profile (or just .profile)
First of all both, the ~/.bashrc and the ~/.bash_profile file or like in SUSE Linux just ~/.profile, are configuration files…
What’s the Difference in Linux between the Commands SU – vs. SU without the Dash
The difference between su – and su in Linux is primarily related to how they handle the user environment after…
Changing SSH Port on SELinux – Error: Bind to port failed: Permission denied
In case you want to change the default SSH port 22 on your system and you are running into the…
Set up Red Hat Enterprise Linux 9.4 Server
In this post I will go through the separate steps to set up a Red Hat Enterprise Linux 9.4 Server which…