Systems Administration
Practical systems administration notes for production infrastructure work.
Systems Administration Articles
Technical notes and guides tagged under Systems Administration.
ZFS failed to read pad2 area of primary vdev
There are number of issues that can lead to this error when trying to boot a FreeBSD server with ZFS as root / zroot: ZFS failed to read pad2 area of...
- FreeBSD
- partitioning
- systems administration
- ZFS
- ZFS Boot
- zroot
FreeBSD OS Update Mirroring (freebsd-update)
Currently there is unfortunately no official way to mirror the OS updates that the freebsd-update downloads, however we have just open sourced our tool...
- FreeBSD
- freebsd-update
- maintenance
- systems administration
MariaDB vs MySQL: Which Relational Database Should You Use?
MariaDB vs MySQL: Which Relational Database Should You Use? MariaDB and MySQL are both popular relational databases, and they are both similar in how they...
- MariaDB
- MySQL
- systems administration
- UNIX
What is Redis and Why You Should Use It
What is Redis and Why You Should Use It If you’re new to Redis, you may be wondering what exactly it is and who should use it. So, we spent some time...
- database
- Redis
- systems administration
- UNIX
Rocky Linux Makes a Comeback as a CentOS Alternative
Rocky Linux Makes a Comeback as a CentOS Alternative With CentOS 8 upgrades and support set to be discontinued at the end of December 2021, current users...
- Linux
- systems administration
What is Linux? Open Source 101 with A-Team Systems
What is Linux? Open Source 101 with A-Team Systems If you’re new to open source software, you’ve probably wondered “What is Linux?” There’s...
- Linux
- systems administration
- UNIX
FreeBSD vs Linux: Which Open Source OS is Superior?
FreeBSD vs Linux: Which Open Source OS is Superior? FreeBSD vs Linux, which is superior? The answer isn’t so simple. Both have their strengths and...
- FreeBSD
- Linux
- Performance
- systems administration
SOLVED: FreeBSD + pip + virtualenv = file not found
We love python virtual environments, but under FreeBSD we occasionally see issues where pip is not correctly using the /usr/local/include and...
- FreeBSD
- Python
- systems administration
FreeBSD / pfSense on a Zotac ZBox: link state down and ‘re0: watchdog timeout’ errors
Recently we purchased a Zotac ZBOX-CI321NANO to replace our existing pfSense PC which was in a much larger case. There are a few variations but ours has...
- firewall
- FreeBSD
- networking
- pfSense
- systems administration