Redhat – Links between files
Every file or folder created in a Linux system is associated with an iNode. The name given to the file is mapped to the inode created. Hard Link The below command creates two hard links to…
RHEL 9
Redhat – Generating SoS report
The SoS report command is a tool that collects various details from a Redhat Linux server. These details include configuration details, system information and diagnostic information such as the running kernel version, loaded modules, and…
Redhat – Configuring network interfaces – nmcli
NetworkManager Command Line Interface – The nmcli is a command-line utility which is used for controlling NetworkManager and reporting network status. View status of physical network device attached to a system [root@centos9vm ~]# nmcli device…
Redhat – Basic network troubleshooting commands
The way to configure network settings have drastically changes in versions after RHEL 7. The earlier method can be found in the below link: Check the available network links, the devices connected and…
SELINUX
SELinux is a set of security rules using which we can control the processes/application that can access specific files, folders and ports. These processes, files, folders and ports has a special security label called SELinux…
Docker: Installation and basics
This tutorial is aimed to teach one how to install Docker in CentOS 9 base host, and to perform basic tasks. Quick Notes: You cannot run a Windows based container on a Docker that is…
SSH : Password-less authentication
Post updated on Jan 2024 At times, for example if a server has a script that needs to copy a file to a client via SSH, it will be good if the server can SSH…