Jenkins User Creation and Permission Management Guide
Post Date: March 2, 2024Last Updated: November 02, 2026 Introduction Jenkins user creation is an important part of managing access and security in a CI/CD environment. Jenkins allows […]
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How to set up SSL (Let’s Encrypt) for a Plesk mail server
Introduction SSL is the standard technology for securing an internet connection by encrypting data sent between a website and a browser (or between two servers). It prevents hackers from
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How to allow any TCP port via Firewall?
Introduction: Opening port TCP on CentOS 7 is a common task when you want to allow network traffic to reach a specific service or application running on your
How to Disable SSH Strict Host Key Checking in Linux
Post Date: April 24, 2023Last Updated: November 02, 2026 Introduction Disable Strict Host Key Checking in SSH is a common configuration requirement for Linux system administrators working with
How to Reset Zabbix Admin Password Using MySQL on Ubuntu
Post Date: December 22, 2022Last Updated: November 03, 2026 Introduction Zabbix is an open-source monitoring solution used to monitor servers, network devices, virtual machines, cloud services, and other
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 SSL: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch
When I tried to setup SSL, I got the above error. Please find the below screenshot. I have not added the chained.crt in proper order. That is the