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I want to reset a file stored in a git repo to its state as the main branch, and I kept forgetting how to do this. So here is how, just to remind my future self. ➜ git status On branch main Your branch is up to date with 'origin/main'. Changes not staged for commit: (use "git add <file>..." to update what will be committed) (use "git restore <file>..." to discard changes in working directory) modified: kube-prometheus-stack-values.yaml no changes added to commit (use "git add" and/or "git commit -a") The above output shows that there is a modified file, kube-prometheus-stack-values.yaml that is not yet staged for commit. ...

When deploying the prometheus-community/kube-prometheus-stack in a k8s cluster, the default retention for Prometheus scrapped data is 10d at the time of this writing or Helm chart kube-prometheus-stack-69.4.1. As a result, the longhorn storage is filled up fast, and caused the Prometheus to crash. So I’d decided to change the retention period to 3 days, and also set retention size to 4GB. To do this, update the values file for the Helm chart with the following values: ...

This is a quick note on how to reset the password of user account on the open sourced Xen Orchestra. To reset the password of a user, of course, you’d need to know the user account, e.g. admin@admin.net. [root@xoa1 xo-server]# cd /opt/xo/xo-server [root@xoa1 xo-server]# ./dist/recover-account-cli.mjs --help xo-server-recover-account <user name or email> If the user does not exist, it is created, if it exists, updates its password, remove any configured OTP and resets its permission to Admin. [root@xoa1 xo-server]# ./dist/recover-account-cli.mjs admin@admin.net Password (leave empty for random): ******* user admin@admin.net has been successfully updated However, if you also forgot the account itself, you can create a new user with the same command. Here is an example to create a new account called admin: ...

Up until recently, my preferred method of creating Podman containers is to use Ansible, and that has been working fine for me. However, I just stumble the new-to-me method called “quadlet”. So far, I really like it, and already started moving some containers to quadlet. To learn more about Quadlet, check out [1]. But, today I’m going to share an example of creating a simple container with Quadlet. In this example, the container whoami is run in rootless mode, under a non-privileged user. ...

If you use ZFS as the file system, you probably already know that tank is the most common name for ZFS pools. That also applies to me, I do name most of my ZFS pools as tank as the default. There is no issue with that name, however, since ZFS’s pool name must be unique, this means I couldn’t import or have multiple ZFS pools with the name tank on a system. ...