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Questions tagged [fedora-server]

16 questions
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Why is firewalld allowing public traffic to my non-public ports, bound to Docker containers?

I'm trying to implement a pretty simple firewall in Fedora, where the public internet can access SSH, HTTP, HTTPS and Cockpit, but nothing else. Meanwhile, the servers run microservices via Docker that can talk to each other on ports 8000-8999. I…
RustyTheBoyRobot
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AWS EC2 EBS: btrfs partition and FS automatically resized by just increasing the EBS volume size?

I had to expand the size of an EC2 EBS root volume that uses btrfs (Fedora 38 Server), so I did the following: Stopped the EC2 instance Expanded the EBS volume via the EC2 console Started the EC2 instance again Then I was ready to play around with…
3VYZkz7t
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OpenDKIM on Fedora Server, opendkim-testkey loads the key, says it's checking it, then just says "query failed" How do I find (and fix) what's wrong?

On Fedora Server 37 (updated as of about February 1, 2023), a new OpenDKIM installation was performed (it's version v2.11.0). The configuration included creating a signing table and a key table, and creation of a key, as well as publishing it in…
Richard T
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Fedora Server 37 CA certificate store most equivalent to LocalMachine\root

Fedora Server 37 CA certificate store most equivalent to LocalMachine\root in a Windows environment? Background notes: I have plenty of experience in the Windows area for certificate management, but Fedora Server is a bit of a new beast. I am…
jcolebrand
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Long established installation of postfix has become an open relay; how can I figure out how and stop it?

This server system has been serving email services since Red Hat v 1.1 (circa 1997 I think) and now is on Fedora Core 37; through many hardware and OS updates along the way it has been kept current. And, we chose postfix and dovecot early on, and…
Richard T
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How do debug nft_table allow rule thats contradictory

I have some nftable rules in the inet firewalld table chain filter_FWD_policy_externalTolxc { jump filter_FWD_policy_externalTolxc_pre jump filter_FWD_policy_externalTolxc_log jump…
user22866
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Can one migrate from Fedora (28) to CentoOS 8 Stream using new repos and DNF?

I've got a server running Fedora 28 that is primarily an RDBS host running PostgreSQL 10.7-1: [Fedora 28]$ dnf list postgresql-server Last metadata expiration check: 0:20:19 ago on Mon 12 Jul 2021 09:39:03 AM MDT. Installed…
Sam Hokin
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Networking issue with Fedora Server 38 as a firewall / gateway

This environment has twins of virtually everything, including two web server / firewall / gateway systems, and they were getting long-in-the-tooth version wise, so I decided to upgrade from Fedora Server 30 to 38 on one of them. The idea was, of…
Richard T
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Post Fedora Server upgrade to FC38, Apache httpd server no longer honors Lets Encrypt keys

The environment has twins of virtually everything, including two web server / firewall / gateway systems, and they were getting long-in-the-tooth version wise, so I decided to upgrade from Fedora Server 30 to 38 on one of them. My timing was curious…
Richard T
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Configuring Virtual Hosting Httpd - Fedora Server - 'sites-available and sites-enabled' vs 'conf.d/vhost.conf'

The current set-up for my web server is a 1GB nanode using Fedora37 as the distribution for the compute instance. For the web server I am using Httpd (Apache 2.4.54), and am now in the process of configuring virtual hosting. I have read several…
CatByte-io
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root$ tput sgr0 0 - unknown terminfo capability '0'

After upgrading from Fedora Core 36 to 37 I noticed that tput sgr0 0 has started reporting errors for root, but not for other users. root$ tput -V ncurses 6.2.20201017 root$ echo $TERM xterm-256color root$ tput sgr0 0 tput: unknown terminfo…
Ted Lyngmo
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Fedora Server NSlookup error when running DNS

So I have 2 VMs (Fedora 24 Server and its Client). I am trying to run DNS in Server and get output in Client. The DNS of my client is IP of Server, All of them are on same Class of network with is 192.168.95.0/24 IP of Server - 192.168.95.1 IP of…
Patel
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After mailman upgrade to mailman3, can't use CLI utilities: ImportError: No module named Mailman

After walking down the garden path of reading the documentation, and being led astray - in particular, by the materials I found here - out of pure frustration I eventually found my way to the "official Wiki", which is here, and it pointed me to the…
Richard T
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Unable to join a dc I just created with samba ad dc

I followed these instructions: https://wiki.samba.org/index.php/Setting_up_Samba_as_an_Active_Directory_Domain_Controller These instructions didn't work exactly as they read. There was one step I didn't get a result because samba was stopped and it…
Rob Campbell
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Working Fedora Server 32 suffered power failure and afterward firewalld has lost its config; how can I fix this?

Doing my homework, this Server Fault Question speaks to an identical error message and it might have the same cause, but how I got there is likely different and may provide clues. In my case the system in trouble is one of a small number of…
Richard T
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