Mirror Disks

Mirroring disks on Linux is simple and prudent to ensure your data survives hardware, software and human failures. All data from one disk is duplicated on another disk and if any one disk fails, you will never know it. So it is important after setting up to monitor …

Network Attached Storage (NAS)

The NAS provides a safe place to store important data. Set this up before running E-Mail or a cloud service because it is the best place to put important files. If an E-Mail server crashes you still have all your E-Mail files on the NFS (see …

NCMPCPP Commands

Simply run this on your host running Music Player Daemon (MPD) over your ssh session

Postgresql Database

Postgresql relational SQL database for systems. This is a great database with high reliablity, performance and extendable.

Postgresql Move Database to Another Filesystem

Mainly used this on SBC (BeagleBone) computer to move a database from SD card (/var/lib...) to SSD disk (/data/lib...). A database will burn up an SD card quickly 😟

PostgreSQL Install and Upgrade

Oh my, installing Ubuntu 22.04 installed PostgreSQL 14... wonder what version I am using...

Docker

Docker is a way to manage containers, which are like namespaces or jails. Here are some useful common commands to check out the status of these containers.

Following is a review of my favorite mechanical mouse.

Following is a story about my favorite ghost story.