Run Shell Script without sudo and with special bit permission using suid-wrapper

We always remember chmod u+s or special permission bit on an executable means when we run the executable it will run as the owner of the executable (read this). There are a problem with it, it will WORK IF it’s a BINARY EXECUTABLE, NOT SHELL SCRIPT! Then how to make shell script behave the same…… Continue reading Run Shell Script without sudo and with special bit permission using suid-wrapper

How to Change Channels of Snap Installed Package

This maybe surprising for many people, as I don’t like much ubuntu, as you all talk to me on many forums and open source project, you always see me to refer user to fedora, and flatpak.. but for my work now, I’m confined in ubuntu, and snap.. so I tried to just brush it away……… Continue reading How to Change Channels of Snap Installed Package

How to Run PostgreSQL as portable executable without installing in Windows

This is probably just another notes that I wrote, because I don’t think everyone will need this, but if anyone need this, I think this will be helpful. So, long story short, I don’t want to install another database service in my Windows Dev Box (on my ASUS A43SV), like I did with MySQL 8…… Continue reading How to Run PostgreSQL as portable executable without installing in Windows

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Podman Compose Error when resolve instance hostname in same pod on RHEL 8.8 : Change the network_backend

So, this is another story or experience that I gain when I wrote my last piece of exercise in University Lab. I have subset of running container compose in Internet Server Administration courses, and one of my assistant told me that podman-compose on nginx-golang (one of the container set up from https://github.com/docker/awesome-compose/tree/master/nginx-golang for learning proxy),…… Continue reading Podman Compose Error when resolve instance hostname in same pod on RHEL 8.8 : Change the network_backend

Install Driver Canon IP2870S di Fedora Linux 38

Ini hanya catatan sederhana saja, untuk instalasi Driver Canon IP2870S atau seri IP2800 apapun. Saya catat karena di website Canon resmi untuk IP2870S tidak menyediakan Versi Linux, tapi ada Driver Linux IP2800. Singkatnya download paket tar.gz driver dari Web Canon, untuk Debian bisa di download di https://id.canon/en/support/0100586502 (bonus saja, judulnya fedora). Untuk Fedora bisa download…… Continue reading Install Driver Canon IP2870S di Fedora Linux 38

DNS in systemd land using resolvectl : Temporary set, get, status, and clear cache

This is a pretty simple post/notes from my experience with DNS on linux using Fedora/EL based or any systemd-resolved based DNS client. With windows, we have ipconfig command to control the cache of the dns also netsh command to control IP. Most of the time, we can clean the cache just using ipconfig /flushdns, but…… Continue reading DNS in systemd land using resolvectl : Temporary set, get, status, and clear cache

FSearch : Everything Voidtools Alternative for Linux

I have been looking for a while, a tools to search files and folders on Linux that is fast and low consumption in CPU like everything from Voidtools in MS Windows. If you wonder what is everything voidtools, you can read it here (you can use google translate for it, as It is written in…… Continue reading FSearch : Everything Voidtools Alternative for Linux

Fixing Booting Problem with Kernel 6.2.x on Fedora with Thinkpad X220

Long story short, this is just a simple notes that I will write for myself. My Thinkpad X220, has been using Fedora since 2021 with kernel 5.x.x, but since 3 days ago (29 April 2023), I got a problem, where I can’t even boot with new kernel, because soft lock CPU. Fortunately, there are still…… Continue reading Fixing Booting Problem with Kernel 6.2.x on Fedora with Thinkpad X220

Trying dnf5 via copr on Fedora 36, 37, and 38. The newest dnf package manager that will land on Fedora 39

So, dnf4 will be replaced with dnf5 but not with python as the underlaying language, but using C++ as the underlying language. Python is well known for it’s easiness, but not as the performance when working on OS layer (some argue not, but majority of the code on C++ is faster, as it’s compiled, not…… Continue reading Trying dnf5 via copr on Fedora 36, 37, and 38. The newest dnf package manager that will land on Fedora 39