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CentOS 7: How to Change SSH Port

CentOS 7: How to Change SSH Port

Many times my colleagues have asked me how to change SSH port on CentOS 7, because the way they did it themselves resulted in failures of OpenSSH to start. This happened because of SELinux, and the post explains how to overcome the issue without turning SELinux off.

wwa July 30, 2018October 15, 2018 Server Administration 1 Comment Read more

How to Integrate rkhunter with yum

How to Integrate rkhunter with yum

One of the features of rkhunter in CentOS that I miss is the ability to update rkhunter‘s property database automatically after yum is run (just like in Debian). This post explains how to implement this feature.

wwa July 6, 2018July 7, 2018 Server Administration No Comments Read more

How to Integrate monit with yum

How to Integrate monit with yum

Monit is an utility for managing and monitoring processes, programs, files, directories and filesystems on a Unix system. It is often used to restart daemons on failures and abnormal situation, and sometimes to detect changes into critical files and / or daemon binaries. This article explains how to make yum package manager play nice with monit.

wwa June 9, 2018June 9, 2018 Server Administration No Comments Read more

CentOS, wp-cli, and rkhunter

CentOS, wp-cli, and rkhunter

This story was told by my colleague. She had a CentOS 7 server with a bunch of WordPress installations, and she needed to update them all. She obviously did not want to do that manually and preferred to use wp-cli.

wwa May 30, 2018May 30, 2018 Server Administration No Comments Read more

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