nmcli is a command-line client for NetworkManager, which is a system network service that manages network devices and connections, primarily for Linux-based operating systems. nmcli provides a way to display network status, manage network connections, and control the NetworkManager daemon,…
As the sun sets on CentOS Linux with its End-of-Life (EOL) approaching on June 30th, 2024, many businesses and tech professionals are deliberating their next steps. In a recent online discussion, users shared their insights and experiences, shedding light on…
Canonical’s Utkarsh Gupta announced in an email sent to the Ubuntu developer mailing list that Ubuntu 24.04 is now open for development and revealed that the codename for this version is “Noble Numbat.” We are pleased to announce that Noble…
The Beta of AlmaLinux 9.3 has been unveiled on October 26, 2023. It supports the following platforms: – x86_64 – aarch64 – ppc64le – s390x Codename: Shamrock Pampas Cat. Distributed kernel version: 5.14.0-362.2.1.el9_3 warning: This is a BETA release and…
In recent months, I’ve encountered numerous articles with titles such as “20 Linux Commands You Should Know” or “Linux Survival Guide.” however, most of these articles cover basic commands like ls or echo. Considering that my audiences are already familiar…
The ls command is one of the most commonly used commands in Linux and Unix-based systems. This command is used to list the contents of a directory. By default, ls displays the names of files and directories in the current…
The df command in linux displays the amount of disk space used and available on Linux file systems. If this command is hanging or not responding, it might be due to one of the following reasons: 1. Network File System…
The error “Unable to negotiate with host port 22: no matching MAC found. Their offer: hmac-sha2-512,hmac-sha2-256” indicates that there’s a mismatch in the MAC (Message Authentication Code) algorithms supported by the client and the server during an SSH connection attempt.…
SSH (Secure Shell) is a vital tool for remote administration and file transfer in many Linux environments. However, if not properly secured, SSH can be a potential gateway for unauthorized access and malicious activities. By adhering to the following best…
If you’ve ever tried to use SSH port forwarding and hit the error: you’re not alone. This error usually means the SSH server rejected your request to open a new channel — most commonly because port forwarding is disabled or…
