Cheat Sheets
ifconfig vs ip usage guide on Linux
Welcome to ifconfig vs ip usage guide on Linux. ifconfig and ip commands are mostly useful when managing…
Category
CentOS
Cheat Sheets
Postfix Commands Administration Cheat Sheet
Hello good people, here is a Postfix Commands Administration Cheat Sheet I made as a quick reference when…
Virtualization
How To Install oVirt guest agent on Linux
Install ovirt guest agent on Linux: Hello good people. Today I would like to show you how to …
How To
How To Create Local CentOS 7 / CentOS 6 / EPEL Repository Sync Mirrors
Hey good people. Today in this short tutorial I’ll share with you tips on how to create local…
CentOS
How To Subscribe CentOS Server to Katello/Foreman
How to subscribe centos server to Katello/Foreman. This tutorial will guide you through steps needed to subscribe CentOS…
How To
Create Windows 11 or 10 bootable USB on Linux
Create Windows 10 bootable USB on Linux: Want to create a bootable USB stick for Windows 10 on…
Arch Linux
i3 ssh configuration to unlock without passphrase
I would like to share with you a trick on how to configure i3 ssh session to remember passphrase…
Email
Running Zimbra on Docker Container
I’ve been working on Dockerizing Zimbra on CentOS 7 base image. The hard work has finally yielded fruits…
Virtualization
Use virt-manager as a non-root user on Linux
The priority of KVM is security and by default it limits the management access to root users. If…
Openstack
Fix Openstack Nova error “NoValidHost: No valid host was found.There are not enough hosts available. “
I was trying to Deploy Openstack for testing inside VirtualBox and i got an error “NoValidHost: No valid…
Linux Tutorials
Integrate Openfire XMPP Chat Server with Asterisk PBX
After successfully Installing Asterisk PBX server and Installing Openfire XMPP Chat server, it’s time to integrate the two…
CentOS
Install Openfire XMPP Server on CentOS 8 | CentOS 7
Welcome to our guide on how to install Openfire XMPP Server on CentOS 8 | CentOS 7. Openfire…