Welcome to a new season of our SysAdvent Blog!

This december, the staff at Redpill Linpro runs an advent calendar with sysadmin-related content!

Our season two of the SysAdvent Calendar kicked off, as expected, on December 1st.

As with the original sysadvent blog, the article contents this year will be a bit longer compared to last year, ranging from ONIE switches through S3 website buckets to Vagrant usage.

Head on over to the sysadvent calendar for the articles!

Lars Olafsen

Operations Manager at Redpill Linpro

Lars has been in the IT business for around two decades now, working initially both as a developer and systems administrator. He's been with Redpill Linpro for 9 years, and in addition to being one of our operations managers, he still gets the time to solder together pieces of code.

Layer 3 routing on Cumulus Linux MLAG

We build our network in order to simultaneously achieve high availability and maximum utilisation of available bandwidth. To that end, we are using Multi-Chassis Link Aggregation (MLAG) between our data centre switches running Cumulus Linux and our firewall cluster «on a stick»:

MLAG topology

fw1 is tricked into believing it is dual connected to a single device that speaks the IEEE 802.3ad Link Aggregation Control Protocol. This works great for layer 2 and ... [continue reading]

Mule 4 SDK custom connector example

Published on February 02, 2018

Jenkinsfile to Anypoint platform and Artifactory

Published on January 26, 2018