Linux/Unix How to install Nrpe on Ubuntu 22.04NRPE (Nagios Remote Plugin Executor) is a Nagios plugin that allows you to execute Nagios plugins on remote Linux/Unix hosts….
Linux/Unix How reset root password on CentOS 7/ RHEL 7There are times when we forget the root password for one reason or another, so it would be impossible for…
Linux/Unix Emergency mode on CentOS / RedHatEmergency mode on CentOS / Redhat allows you to start the system with the most minimal environment possible and allows…
Linux/Unix Comment enregistrer et souscrire un système Red HatPour enregistrer et souscrire un système Red Hat Enterprise Linux (RHEL) au portail client Red Hat, vous devez disposer d’un…
Linux/Unix What is Red Hat OpenShiftOpenShift is a cloud computing platform as a service (PaaS) developed by Red Hat. It is an open-source platform that…
Linux/Unix How to register and subscribe a Red Hat Enterprise LinuxTo register and subscribe a Red Hat Enterprise Linux (RHEL) system to the Red Hat Customer Portal, you will need…
Linux/Unix How to Install PuTTY on Linux systemPuTTY is a free and open-source terminal emulator, serial console, and network file transfer application. It is commonly used for…
Linux/Unix How To Use GPG to Encrypt and Sign MessagesGPG key ( GNU Privacy Guard) is a way to secure your online communications and verify your identity, it works…
Linux/Unix What is Ansible ?Ansible is an open-source automation tool that is used for configuration management, application deployment, and task automation, It is a…
Linux/Unix Ansible c’est quoi ?Ansible est un outil de gestion de configuration et d’automatisation des tâches informatiques, Il permet aux administrateurs système et aux…