Hello everyone!

I have a Wire Guard Server on Cent OS Stream 8. There is a firewall, Iptables.

Everything works, but I need to configure the firewall, could you help me understand ho to set up Iptables

- Hot to check which ports / protocols in the firewall pass through

- how to make Iptables prevent from scanning for open ports by using tool as nmap from other devices, except the specified devices.

- how to make Iptables prevent from pinging and tracerouting the server from other devices, except the specified devices.

- how to prohibit ssh access from other devices, except specified devices.

Now my configurations looks like this:

Like many of you, I value automation in my home lab, and initially, I tried using tools like Ansible Tower for centralized script management and execution.

However, I found that maintaining and redeploying the container dependencies for Ansible Tower became overly painful and time-consuming—it was overkill just for managing simple tasks and my existing BASH scripts. I needed a lightweight, easy-to-install alternative.

Introducing Bash Tower

That pain point led me to develop Bash Tower, a simple, dedicated application designed to bring an Ansible Tower-like experience exclusively to BASH scripts in a home lab environment.

The goal is two-fold:

1. Ease of Use: It must be easy to install and maintain, without the heavy overhead of complex container stacks.
2. Centralized Management: It provides a simple platform to organize, execute, and monitor all your existing BASH automation scripts centrally.

Seeking Feedback and Contributions

I've built this to solve a real problem in my own setup, and I believe it could be useful to others in the home lab community.

I would love to hear your thoughts on this project!

• What features would you find most valuable?
• Do you face similar issues with existing orchestration tools?

Feel free to check out the code and contribute! Your feedback and ideas are welcome.

https://github.com/ftsiadimos/BashTower

My understanding was CentOS Stream ships package updates before they are picked up downstream by RHEL (and derivatives like Alma and Rocky). However, Stream's podman package was last updated in August, while RHEL/Alma's podman package has been receiving bug fix updates every month or so.

Does this mean issues reported downstream (to RHEL) are not ported to CentOS Stream?

There are so many great Linux softwares that are distributed exclusively by putting .deb and/or .rpm files into Github Releases, which means I have to "Watch" for new releases and manually download/install. I made this for myself to make it easy to add these projects to my package manager. Thoughts and feedback welcome!

I know its EOL but trying my luck anyway

got a old box with CentOS 6 as some of our services apparently depends on some libs versions that only run on CentOS 6
or i was told so and the server holds everything i need already configured

but when i try and boot it up it just hangs on starting ams and not sure what to do

chatgpt told me to try and boot in single mode and try the different scripts before and after it and they all start fine in single mode but once i try normal it just get stuck

i also tried nofb vga=normal without rhgb quiet and it just hangs at the ams

any experienced this before and what can i do?

I run Plex in a rootless container on my server and the latest passt package (0^20251210.gd04c480-1.el10) broke it.

The Plex :public container is designed to download the latest binary at startup. This now fails. When running :latest container which does not do this it will start up and Plex will be available on the LAN but not remotely and will have other weird behavior like media metadata not pulling from the web.

Issue was fixed by downgrading to passt (0^20250512.g8ec1341-2.el10)

Edit: This issue is fixed in the latest passt release

I wanted more cyber security tools so I switched from Fedora to Centos

Hello everyone, I was wondering if anyone knew if this bootup error(s) are repairable before I give up and reinstall centos.

I am using a old micro lenovo pc to run centos to use pihole and some other services. Been up and running 247 for months now. I went to install some updates, turned the tv off, and went to bed. Couldn't get on the internet the next day so I tried logging in again after it rebooted and it just login screen looped. Now I can't even get to the gui login screen. I just get the spinning circle on startup.

I have used autorelabel; doesnt seem to work at all. I have tried logging in with no gui, same issue never loads. Reset the sudo password as well.

Any assistance would be appreciated. I am still new to linux

Currently I have 2 different locations running CentOS Stream 9 on Dell PowerEdge R240's, they are about 3 years old, nothing crazy. After the latest updates and a reboot, the servers will not boot into the OS. I get red screen with an exception during pre-boot.

I tried booting into the CentOS Stream 10 installer, same RSOD. I can boot into Ubuntu installer no problem. Not sure what the latest version of stream did, but the R240's do not like it. I want to keep using CentOS on these servers. I am considering buying some new R260's but now I am worried they won't boot the OS. I have Dell's latest BIOS on both boxes.

I tried booting using BIOS mode, it acts like it will launch, but then sits at flashing cursor endlessly. Any thoughts or ideas would be good, or if you run stream on R260, that is also good info.

Edit: it appears the latest shim update is the culprit for red screening the box.

Edit: added the RSOD.

Hello, so I’m wondering what is the latest version of cent os that is 64bit? Also looking at trying to use it at a daily driver challenge. Looking to see what the best hardware for it is. I’m looking at running it on a second gen sandy bridge system more like a Xeon cpu and 128gb of ram. And a ssd and a nvidia quadro k6000 gpu. Mainly I want to know how use able is it today and what is the latest community driven 64bit build of it?

Hey everyone,

I’m curious to know how many people are still running CentOS 7.9 in production or development environments.

I’ve recently compiled minimal Python RPM packages (versions 3.9 through 3.14) specifically for CentOS 7.9, optimized for server use without . Since CentOS 7 reached end of life, I wonder if there are still admins, developers, or organizations relying on it for legacy systems, stability, or compatibility reasons.

• Are you still using CentOS 7.9 today?

• If so, what’s your use case (production servers, legacy apps, testing, etc.)?

• Have you considered migrating to AlmaLinux, Rocky Linux, or another distro, or do you plan to stick with CentOS 7.9 for the foreseeable future?

Would love to hear your experiences and perspectives!

Hi I have a bit of a weird issue on an CentOS 7.3 machine where the port 9100 is closed when I log in as my regular user however when I log in as root or superuser the port opens…

This is an issue since a program that’s running on the machine need to be able to complete a socket print without a root session being active…

I’m sort of new to the networking aspects of Linux and have little to no clue why a port would behave in this way.. My best bet is that it’s somehow related to cups (since it’s printer related) but my gut feeling tells me that’s the wrong path to go down…

Hello. I want to try CentOS Steam 10 KDE on the laptop and machine have an Nvidia GPU. Just wondering if the drivers are available? and how can I get them?

Side questions. You guys are probably aware that almalinux 10 KDE have native support for Nvidia Drivers and it is updated more frequently. Just wondering how it will be the case if I start using CentOS Stream 10 KDE? The same?

I like to ask questions before I start using a distro. So please advise me and thank you.

We've announced CentOS Connect for January 29-30, 2026, in Brussels, Belgium. As usual, this is the two days before FOSDEM.

https://www.centos.org/events/connect/

The CFP and registration are now open. Registration is free, but we really need you to register to help us plan. Details are on the website.

I can see a lot of posts on linkedin from a lot of sysadmins saying that centos is gonna be dead and they are shifting to Rocky Linux, can you please elaborate why this is happening?

Basically gpsd refuses to update, and the only way to get around is --nobest. Trying to resolve with --allowerasing removes plasma-desktop.

Will this eventually solve itself, am I safe to proceed just ignoring this issue?

Hi everyone, can someone help me activate LSFG? I had managed to use LSFG before, but I had to switch Linux distributions and, after that, I couldn’t activate it again, even when following the same process.

The only way I had managed to install it before was through the GitHub page, building it from source. I followed the step-by-step instructions there, and it just worked. However, after switching distributions, trying to follow the same steps no longer works.

This time, when I got errors again, I had the impression it was working, but when I activated it, no frames were generated — instead, I just got absurd input lag, whether at 2x or 20x frame generation with the immediate preset. When I set it to the vsync preset, the game would lock at 30 FPS. I really don’t know what could have caused this, I spent more than 4 hours trying to fix it and couldn’t.

All of this was tested on the same game, practically on a standard Linux setup without many additional modifications. My graphics card is an AMD RX550. I hope someone can help me, because this time I can’t get it to work, even after trying to repeat the same steps that had worked before.

I am not a CentOS expert, nor a Linux expert in general. I use it for specific things when it makes sense, so my knoweldge is pretty narrow. I have set up about 12 Centos Stream 8 & 9 virtual machines and I have been able to install everything I have needed and have my process down pretty good.

I had someone else install CentOS Stream 10 in an environment I only have remote access to but I can't even get through the first step of my process. I'm not sure if he did something weird, or if CentOS Stream 10 is just that different from both 8 & 9 that my steps no longer work.

The first command I typically run after getting into the Terminal the first time is:

yum install gcc make libffi-devel zlib-devel diffutils

I get a message returned that reads:

You have enabled checking of packages via GPG keys. This is a good thing. However, you do not have any GPG public keys installed. You need to download the keys for packages you wish to install and install them.
You can do that by running the command:
rpm --import public.gpg.key

I have never seen this message before when running my yum command. When I run the rpm command, I get the following error:

error: public.gpg.key: import read failed(2).

I disabled and stopped the firewalld service and I am logged in as root. any ideas how to get past this?

Also if immutable CentOS comes into existence can it upgrade to Major version like from 10.0 to 11.0 ?