Postfix
How To get Postfix Mail Statistics from Logs
This guide is intended to show you How to get Postfix Mail Statistics from Logs on your mail server.…
Author
Josphat Mutai
How To
Configure Cpanel Firewalld on CentOS|RHEL 7/8
This short guide will teach you how to Configure Cpanel Firewalld on CentOS|RHEL 7/8. The default installation of Cpanel…
Linux Tutorials
How To Install and use FreeTube on Linux / macOS
In this guide, I’ll take you through How to Install and use FreeTube on Linux / macOS. FreeTube…
Zimbra
Managing Distribution Lists on Zimbra Mail Server
Welcome to our guide on Managing Distribution Lists on Zimbra Mail Server. Zimbra is among the most used…
Email
Fix ERROR: zclient.IO_ERROR (invoke Connection refused, server: localhost) (cause: java.net.ConnectException Connection refused on Zimbra
Ever encountered this error “[] INFO: I/O exception (java.net.ConnectException) caught when processing request: Connection refused[] INFO: Retrying requestERROR:…
Email
Zimbra Firewall Configuration with Ufw & Firewalld
In this guide, we’re going to look at how to secure your Zimbra collaborative suite on CentOS 7,…
Arch Linux
Best Linux Distributions 2023– Arch Linux complete review
This is a continuation of our list of Best Linux Distributions 2022. Here we’re looking at Arch Linux. The father of…
Linux Tutorials
Install SafeEyes on Ubuntu / Fedora / Arch / Debian
What is Safe Eyes? Safe Eyes is a Free and Open Source tool for Linux users to reduce and…
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…
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…
How To
Connect To WPA/WPA WIFI network in Linux from terminal
Connecting to a network via Linux Terminal is as sweet as candy. Have you bumped into issues and unknown errors…
How To
CCNA Routers and Catalyst Switch IOS CLI EDITING COMMANDS
To be a great and not good Network Engineer working with Cisco devices, You have to be comfortable…