Categories
SysOps

How to display current date-time in different timezone

Use date utility to display current date time in different timezone

Categories
SysOps

How to get service PID using systemctl

Use systemctl to get process identifier for specified service.

Categories
SysOps

How to wipe partition-table signatures with one exception

Today I will extend the how to fix device excluded by a filter blog post to include information on how to wipe filesystem or partition-table signatures except for LVM2 members, which is a great idea for automation.

Categories
SysOps

How to write an operating system to microSD card using graphical user interface

Write an operating system to microSD card using Raspberry Pi Imaging Utility.

Categories
SysOps

How to create the simplest possible nftables firewall

Create the simplest possible firewall using nftables framework with relaxed rules that will allow all outgoing traffic, incoming ICMP echo requests, and ssh connections.