A simple guide about how to install MariaDB on Red Hat-based Linux distributions, In a few steps, We are good with spinning up an OpenSource DB server.
Troubleshooting
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Recover from Starting Switch Root or corrupted Glibc
While starting the server it will not move forward after “Starting Switch Root”. Step by Step let’s see how to fix this issue.
Troubleshooting
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Recover from chmod 777 permission on a root filesystem
How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
Linux Administration
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Linux Sudo to run Privileged Commands
Allow normal users to run any privileged commands by escalating to Sudo, by configuring Linux Sudo on any Linux os normal users are allowed to get root access.
System Management
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Register a Linux client with Foreman
How to subscribe a client with our content management server foreman/Katello/Satellite.
System Management
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Install Foreman Katello Patch Management on CentOS 7
Foreman with katello patch management is a Content Management System provides a lot of features such as provisioning, Inventory, Patch management and much more.
Security
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Install Wazuh Open Source Security Analytics
Install production-ready Wazuh OpenSource security analytics tool to monitor your critical production environment.
Identity Server
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Setup a FreeIPA or IDM Replica
IDM replica is the same copy of the existing master IDM server. The use of a replica is to have multiple copies of master and it can be used in different geographical location.
Linux Administration
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How to Backup and Restore XFS filesystem in RHEL 8
To backup and restore an XFS filesystem it’s possible by installing xfsdump package which provides xfsdump and xfsrestore commands.
Database Servers
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Offline installation of cx_oracle for Python 3.x
Offline installation guide of cx_oracle for Python 2.7 and 3.x. To fulfil the requirement to connect databases which are of 11g,12c,18c and 19c.