hosting.guru blog

View active Dovecot sessions

Posted on January 10, 2022

To view active dovecot sessions – try running : doveadm who *@visanor.com More about this amazing tool is here https://wiki.dovecot.org/Tools/Doveadm

cPanel, Linux

Change all MyISAM tables to InnoDB from shell

Posted on January 7, 2022

A very handy command to change all MyISAM tables for specific database to InnoDB. Just put correct database name instead of dbName . mysql -u […]

MySQL

cPanel host certificate expired

Posted on December 20, 2021

This happenned few times – for some reason host SSL certificate was not renewed or was not installed properly, that lead to WHM/cPanel and mail […]

cPanel, Linux

SSH connection to old servers

Posted on December 15, 2021

When you are on a newer Linux distribution and try to connect to older server, you might run into a problem and get message like: […]

Security

Stuff, that helped me to add IP-subnet to KVM host

Posted on November 12, 2021

I had a server, that run Centos8 and had several KVM-virtualized machnies. Most of virtual servers had dedicated IPs and when one customer wanted to […]

Linux, Security

Using telnet to test SMTP server

Posted on November 5, 2021

By this you should understand why you need it, so here is just a bunch of commands, mainly for myself, so I don’t loose them. […]

Linux

Extending XFS root partition on KVM VPS on Centos

Posted on November 4, 2021

Practical steps for resizing root partition for KVM VPS. Our host runs Centos 8, but VPS itself has Centos 7 (with cPanel, but that does […]

Linux, Security

Install VMWare tools on Centos 7 / 8 and AlmaLinux

Posted on September 23, 2021

VMWare tools are distributed through repositories. Install them with yum install open-vm-tools Remember to start and enable it, so it starts automatically after reboot. systemctl […]

Linux