The Hotel Hero

Notes by a Sysadmin

Cluster | Philosophy | Stack

Thoughts abouts Confidentiality, Integrity and Availabillity

K3s Helm Traefik + LetsEncrypt

March 31, 2022 |

By default Traefik is deployed in K3s. So, in production we would like automating valid wildcard certificate creation. In this case there are two main approaches to generate and store certificates; cert-manager and traefik acme. On it's own Traefik acme can be used to create and store the certificate, but to get HA this way is... Read more


I'm a Sysadmin, network manager and cyber security entusiast. The main purpose of this public "notebook" is for referencing repetitive tasks, but it might as well come in handy to others. Windows can not be supported! But all other OS compliant with the POSIX-standard can (with minor adjustments) apply the configs on the site. It is Mac OSX, RHEL and all the Fedora based distros and Debian based (several 100's of OS's), all the BSD distros, Solaris, AIX and HP-UX.