Easy Kubernetes setup on Ubuntu with microk8s


To install microk8s, run

Enable rules in firewall

Enable addons

To see status of current addons, run

Here is status for a defaul install

To see all pods/services/deploymens, run

To avoid typing microk8s before kubectl, run

You can add this to .bashrc to make it permanent. To run […]

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Install dnsmasq on Ubuntu

dnsmasq is a very powerful tool that can provide basic dns services/caching, act as dhcp server and also as tftp server. To install dnsmasq, run

When you start dnsmasq, if it complain about port 53 alreay in use

This is because some other service is running on port 53. To find what service […]

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Ant Media Server Ubuntu firewall configuration

Ant Media Server

To enable firewal for Ant Media Server on Ubnuntu server, use following rules

After enabling, you will have following status

Port forwarding You can forward port 80 and 443 to Ant Media Server, so you don’t have to use ports. You can use following iptables commands

To make it permanent, edit


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Reinstall Kernel in Ubuntu/Debian

reinstall ubuntu kernel

To reinstall Kernel in Ubunru, you need to find the version of kernal installed, for this run

Or you can use command, find the kernel version you need to install

Once you have the name of linux-image package you need to install, you can run

Example See apt, Ubuntu, Debian […]

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install Shotcut Video Editor in ubuntu

Shotcut is an free open source video editor for Ubuntu. You can find more info at https://shotcut.org Latest version of Shotcut video editor can be installed on Ubuntu using command

shotcut is also available to be installed from apt, but this is slightly older version than snap. To install from apt, use command


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Ubuntu Server 20.04 configure OVH failover IP

To configure IP in Ubuntu 20.04 guest, create file

add following content


Test network config using

If everything works fine, you can apply the changes with

See OVH, netplan […]

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Ubuntu Server 20.04 set static IP with netplan

First check if you have file

If the file exists, make sure, you have following content in it.


Replace all content with

In above cause is your static IP address. is the gateway. eth0 is network interface name. Now try the chnages with

If all good, you […]

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Ubuntu 20.04 settings won’t open

On Ubuntu 20.04 settins won’t open. This may be caused by some software install/update. I tried to run

From terminal, i get error

To fix the error, i installed gnome-control-center package as the error suggests.

See Ubuntu […]

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