DevOps Lite - DevOps Howtos, Tutorials & Guides

Zimbra block emails Virus Heuristics.Encrypted. Have you ever received notifications from users that customers cannot send mail to them. With the message “Our content checker found virus: Heuristics.Encrypted.Zip“. What is…

How to migrate mail data from Google GSuite to Zimbra? This article will guide you to do that. There are many tutorials on how to migrate data from Zimbra to…

Zimbra change password redirect port 8443 to 443? Why do you need to do that? And how to do it? In Zimbra mail, when the user clicks on the Change…

How to fix snx: error while loading shared libraries: libpam.so.0? If you haven’t read my previous article on how to connect Check Point VPN on a Linux computer. Chances are,…

How to install Check Point VPN client in Linux? How to do this? This article will show you how to connect Check Point VPN from a Linux computer. If your…

How to extend Linux LVM partition in AWS? Today I will show you how to do that. This is an accidental situation, a person asked me for help. He uses…

Fix DKIM field must be base64 encoded. In this article, I will show you how to fix this error of DKIM. If you have read the article How to check…

How to check a DKIM core key record is correct? When you add a new domain to the mail server, you will have to set up SPF, DKIM, DMARC records…

Script automatically configure SSH security. For Linux server administrators, SSH protection is an important thing. There have been many articles talk about what to configure to protect SSH connections for…

Install Let’s Encrypt ssl certificate in Zimbra automated. This article, I will guide you step by step to do this. If you don’t know yet, Let’s Encrypt is a free…