Do you know? Well, before today, neither did I. I’m pretty late to Kubernetes. I heard about it many hears ago, but unfortunately, I had no need to use it at home or at work. Even today, there is no workload that requires a Kubernetes cluster to run on. However, I think I can’t ignore Kubernetes any longer, and I need to learn about it now, well “better be late than never”, right? ...

I use ’tmux’ on anything that runs it, from FreeBSD, macOS and Linux. On some of my Linux servers, noticeably openSUSE ones, when I connect to them via SSH, I would receive the following warning: ... Have a lot of fun... warning: Could not set up terminal. warning: TERM environment variable set to 'tmux-256color'. warning: Check that this terminal type is supported on this system. warning: Using fallback terminal type 'ansi'. What worse is that, when I switch to root account, the backspace key doesn’t work correctly. For example, hitting backspace will produce a space instead. ...

During the upgrade of Fedora 38 to Fedora 39 (beta) on my main desktop, the first attempt failed due to insufficient free disk space on the root volume. After some manual intervention such as vacuuming the journald logs, I was able to perform the successful upgrade. Not that it matters, but I’m writing this blog post on the same desktop running Fedora 39 Beta. This post is to record how I increase the root volume on my desktop with the help of a few tools such as growpart, lsblk, resize2fs,…etc. Like always, if you stumble on this post and want to follow along, please do not just copy and pate the commands from here and run on your system. Try to understand what each command does, if you don’t, then you definitely must not copy and pate these commands! ...

In this post, I’ll document how to use AWS CLI to delete a few Lightsail resources. I have never done this before, so this would be a good exercise for me. To make it less boring, I’m writing this post while I’m deleting these resources. First step, I need to look for the instance name [1]. ❯ aws lightsail get-instances --query 'instances[].name' [ "WordPress-1" ] The above output is the name of the instance I’d like to delete. With its name, the instance can be deleted using the following command line [2]: ...

If you have an ElastiCache Memcached cluster that you no longer need, it’s better to delete it. Dno’t believe me? Even AWS said so too: It is almost always a good idea to delete clusters that you are not actively using. Until a cluster’s status is deleted, you continue to incur charges for it. [1] Well, I have a Memcached cluster that I don’t need anymore. But instead of deleting this cluster using AWS console [1], I’m going to do this via AWS CLI. ...