CentOS

Configuring Kernel Parameters in RedHat-like Linux Systems with Ansible System Role

January 13, 2022
Posted by Luca Berton
ansible, sysctl, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, kernel

How to Configure Kernel Parameters in RedHat-like Linux systems with Ansible using system role?

Ansible code in RHSB-2021-009 Log4Shell - Remote Code Execution - log4j (CVE-2021-44228)

January 12, 2022
Posted by Luca Berton
ansible, log4j, log4shell, module, linux, security, devsecops, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, 2021, 2022, RHSB-2021-009, CVE-2021-44228, Red Hat Security Bulletin, RHSB, security bulletin

My Ansible Playbook code was officially included in the Red Hat Security Bulletin RHSB-2021-009 Log4Shell - Remote Code Execution - log4j (CVE-2021-44228).

Load and Unload Kernel Modules in Linux - Ansible module modprobe

January 12, 2022
Posted by Luca Berton
ansible, modprobe, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, kernel

How to Load and Unload Kernel Modules in Linux with Ansible?

Set sysctl kernel parameters - Ansible module sysctl

January 11, 2022
Posted by Luca Berton
ansible, sysctl, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, kernel

How to set the sysctl kernel parameters with Ansible? I’m going to show you a live Playbook and some simple Ansible code.

Detect Apache Log4j CVE-2021-44228 with Ansible Playbook

December 22, 2021
Posted by Luca Berton
ansible, log4j, log4shell, module, linux, security, devsecops, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to automate the Detector Log4Shell Remote Code Execution Log4j (CVE-2021–44228)?

Enable or Disable Permissive Domain in SELinux policy on Linux - Ansible module selinux_permissive

December 20, 2021
Posted by Luca Berton
ansible, selinux, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

SELinux Permissive Domain What is SELinux? Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC).

Enable or Disable SELinux Boolean on Linux - Ansible module seboolean

December 17, 2021
Posted by Luca Berton
ansible, selinux, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to Enable or Disable SELinux Boolean on Linux with Ansible?

Install Ansible on AlmaLinux 8 Easily with EPEL

December 16, 2021
Posted by Luca Berton
ansible, install, CentOS, EPEL, AlmaLinux

How to install Ansible in AlmaLinux version 8. Today we’re going to talk about the easier way to install and maintain Ansible inside AlmaLinux 8 using the EPEL repository.

Set the SELinux Policy States and Modes on Linux - Ansible module selinux

December 16, 2021
Posted by Luca Berton
ansible, selinux, module, linux, security, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to Set the SELinux Policy States and Modes on Linux with Ansible?

Change the User Primary Group on Linux with Ansible

December 15, 2021
Posted by Luca Berton
ansible, user, module, linux, user management, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, getent passwd

How to Change the User Primary Group on Linux with Ansible?

Add Secondary Groups to Linux Users with Ansible Playbook

December 14, 2021
Posted by Luca Berton
ansible, user, module, linux, user management, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, useradd

How to add a user to a second group on Linux with Ansible?

Create Hard Links in Linux with Ansible Playbooks

December 14, 2021
Posted by Luca Berton
ansible, file, module, hard, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, link

How to create a hard link in Linux with Ansible? I’m going to show you a live Playbook and some simple Ansible code.

How to install Ansible in CentOS 9 Stream - Ansible install

December 8, 2021
Posted by Luca Berton
ansible, install, CentOS, EPEL, CentOS Stream, operating system, installation, linux, rpm

How to install Ansible in CentOS Stream version 9. Today we’re going to talk about the easier way to install and maintain Ansible inside CentO Stream version 9 using the system AppStream repository.

Failed installation of Ansible in Amazon Linux 2022 Preview (AWS EC2) - Ansible install

December 7, 2021
Posted by Luca Berton
ansible, install, RedHat, Amazon, CentOS, EPEL

How to install Ansible in Amazon Linux version 2022 Preview? Today I’m trying to install Ansible in the newest Amazon Linux 2022 Preview.

How to install Ansible in Amazon Linux 2 (AWS EC2) - Ansible install

December 6, 2021
Posted by Luca Berton
ansible, install, RedHat, Amazon, CentOS, EPEL, operating system, installation, linux, rpm

How to install Ansible in Amazon Linux version 2? Today we’re going to talk about the easier way to install and maintain Ansible inside Amazon Linux 2 using the Amazon Extras Library and EPEL repositories.

Stop and disable services on boot on remote hosts - Ansible module service_facts, service

December 1, 2021
Posted by Luca Berton
ansible, service, module, linux, RHEL, CentOS, Fedora, loop, daemon

How to stop and disable services on boot on Linux remote hosts with Ansible?

Start and enable services on boot on Linux remote hosts - Ansible module service_facts, service

November 30, 2021
Posted by Luca Berton
ansible, service, module, linux, RHEL, CentOS, Fedora, loop, daemon

How to enable services on boot on remote hosts with Ansible?

Efficient NFS Server Setup with Ansible on Red Hat

November 29, 2021
Posted by Luca Berton
ansible, server, linux, nfs, network file system, exports, RHEL, CentOS, CentOS Stream, Fedora

How to export NFS Share in RedHat-like Linux systems with Ansible?

Create a directory in Linux - Ansible module file

November 17, 2021
Posted by Luca Berton
ansible, file, module, directory, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to create a directory with Ansible? I’m going to show you a live Playbook and some simple Ansible code.

Ansible File Module Demo: Create Symlinks Easily

November 15, 2021
Posted by Luca Berton
ansible, file, module, link, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, filesystem

How to create a symbolic link with Ansible? I’m going to show you a live Playbook and some simple Ansible code.

User password expiration - Ansible module user

November 9, 2021
Posted by Luca Berton
ansible, password, linux, accounting, authorization, authentication, user management, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE, ansible module user

How to set user password expiration time on Linux with Ansible?

Install Microsoft Edge in RedHat-like systems - Ansible module rpm_key, yum_repository and yum

November 2, 2021
Posted by Luca Berton
ansible, yum, rpm_key, module, yum_repository, microsoft-edge, RHEL, CentOS, Fedora

How to Install Microsoft Edge in RedHat-like systems with Ansible? I’m going to show you a live Playbook with some simple Ansible code.

Delete a group - Ansible module group

October 27, 2021
Posted by Luca Berton
ansible, group, module, user management, accounting, authorization, authentication, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to delete a group in Linux with Ansible? I’m going to show you a live Playbook with some simple Ansible code.

Ansible Group Module Demo: Create User Groups Easily

October 22, 2021
Posted by Luca Berton
ansible, group, module, user management, accounting, authorization, authentication, RHEL, CentOS, Fedora, Ubuntu, Debian, SUSE

How to create a group in Linux with Ansible? I’m going to show you a live Playbook with some simple Ansible code.

How to install Ansible in CentOS 8 Stream - Ansible install

October 19, 2021
Posted by Luca Berton
ansible, install, CentOS, EPEL, CentOS Stream, operating system, installation, linux, rpm, enterprise

How to install Ansible in CentOS Stream version 8. Today we’re going to talk about the easier way to install and maintain Ansible inside CentOS Stream 8 using the EPEL Next repository.