Categories
SysOps

How to install Ubuntu Release Upgrader on an older system

Install Ubuntu Release Upgrader on an older system.

Categories
SysOps

How to export block devices list as JSON

Export block devices list as JSON and parse using jq utility.

Categories
SysOps

How to use lightweight compressed cache for swap pages

Configure a lightweight compressed cache for swap pages to mitigate the performance impact of swapping on your desktop.

Categories
SysOps

How to configure swap using zram at boot

Configure compressed swap using zram device at system boot.

Categories
SysOps

How to use compressed RAM based block devices

Take advantage of compressed RAM based block devices to create temporary filesystems and swap disks.

Categories
SecOps

How to create site-to-site connection using IPsec

Use the native IPsec stack to connect multiple networks over the internet.

Categories
SysOps

How to fix multipath daemon error about missing path when using VirtualBox

Fix multipath daemon error about missing path when using VirtualBox.

Categories
DevOps

How to install Kubernetes on LXD

Install Kubernetes on LXD. Essential information to just get you started.