Categories
SysOps

How to use consistent exit codes in shell scripts

Read sysexits FreeBSD manual page to learn how to use consistent exit codes in shell scripts.

Categories
DevOps

How to prevent updating VirtualBox Guest Additions on the guest system

Prevent updating VirtualBox Guest Additions on the guest system when using Vagrant.

Categories
DevOps

How to automatically update docker containers whenever new image is released

Automatically update docker containers whenever new image is released using watchtower.

Categories
SysOps

How to determine fastest server using ICMP

Determine fastest server using the Internet Control Message Protocol (ICMP).

Categories
DailyOps

How to parse Trello export file

Parse Trello export JSON file using Python script to create Markdown files and import these into Joplin an open-source note-taking app.

Categories
DailyOps

How to define key expiration time in OpenSSH authentication agent

Define key expiration time in OpenSSH authentication agent.

Categories
DailyOps

How to display weather forecast inside terminal

Display weather forecast inside terminal using wego application.

Categories
SysOps

How to define ticket lifetime and renewable time

Define ticket lifetime and renewable time when using MIT Kerberos.