Samba on Ubuntu 18.04 Password Problems

Upgrading my file server from Samba version 3.6.3 to version 4.7.6 caused me some head aches. I don't run a domain controller. Just a stand alone server. The user on a Windows 7 user logs into a local Windows account. The username and password are...

Offsite backup using ssh btrfs and btrbk

In my a previous post, I showed how to create very efficient snapshots and versioned backups to hard drives installed in or attached to your server.

Now we have a time machine and some redundancy. If I delete a file by accident, I can recover it from...

Versioned backups with btrfs and btrbk

In my a previous post, I showed how to install Ubuntu 18.04 with btrfs filesystem. Now let's use the superpowers of btrfs and create awesome backups.

My setup: A server running Ubuntu 18.04 on a two ssd-drives in a btrfs raid1 configuration. In addition...

APC Back UPS 700 on Ubuntu 1804

Having an uninterruped power supply for my server is important. I use an inexpensive one: The APC Back-UPS BX 700 and it works well. If I had to buy a new one, I'd use the one with the proper Schuko-connection for Germany. The so called "Kaltgeräte...

Install Ubuntu 18.04 Server on btrfs

Btrfs is an advanced file system. It supports compression, keeps checksums on every block and you can make snapshots.

Why btrfs?

Checksums

Hard disks and SSDs are physical devices that can break. A bit can flip and a 0 becomes a 1. It's rare and...