Questions tagged [fedora]

Fedora is a fast, stable, powerful, free RPM-based GNU/Linux operating system that is developed by the community-supported Fedora Project and sponsored by Red Hat. The Fedora Project's mission is to lead the advancement of free and open source software and content as a collaborative community.

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Fedora 35, NetworkManager: <warn> ... conflict for address 192.168.178.9 detected with host 68:54:5A:FB:2A:7F on interface 'eth0'

Whilst tinkering around, I noticed that NetworkManager complained about an IP conflict when I plugged the ethernet cable in. However, arp, nmap and eyeballing various files disagree. Can anyone help ...
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Cannot reach LAN from Fedora 35 that is sharing Internet

In my cable ethernet configuration, a Fedora 35 workstation has 2 network interfaces: if0 connected to an Internet router via DHCP if1 connected to the LAN with a static IP Machines in the LAN are ...
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Why are Nix programs not able to resolve mDNS names when native programs are?

My native programs (on Fedora) are able to resolve mDNS / Avahi / zeroconf names, like so: $ ping felonyspork.local -c 1 PING felonyspork.local (192.168.88.169) 56(84) bytes of data. 64 bytes from ...
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Rescue mode with grub and chroot /mnt/sysimage after a VMWare conversion

EDIT: After some more snooping I saw this: https://virtualkryptonite.blogspot.com/2017/07/vmware-converter-p2v-partition-number.html (not sure what VG means in the post) but this is essentially what ...
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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....
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can't run iptables-legacy using cli - centos8

I have a Centos-8 machine which comes with nft-tables and with ip-tables libraries installed. for example: the files: /lib64/xtables/* /lib64/libiptc.so.0.0.0 /lib64/libiptc.so.0 are all exists and ...
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Fedora 34: How do I stop the console going blank and reduce the screen resolution on a text only console?

I have a Fedora 34 server edition connected to a TV. There is no GUI installed and I only have a text based console. My problem is that the console will blank after some time (I think a screen saver ...
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Fedora 35 dnf ignores max_parallel_download in /etc/dnf/dnf.conf

maybe a stupid question but I couldn't find any good hint of what went wrong. Except for this Post - but unfortunately, it is a dead end. ;-( Why DNF is not obeying "max_parallel_downloads" ...
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VirtualBox on linux: hangs on __lock_acquire on Fedora Core 35

VirtualBox (VirtualBox-6.1.x86_64) has for sometime been useless on my workstation (Linux FC35,kernel is 5.16.12-200.fc35.x86_64+debug: but the issue existed previously on FC33). The GUI starts, but ...
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Fedora | how to restore iptables from specific file on boot

I need to make ip-tables persistent on my machines. I was able to do it on Debian based systems by creating the following file which runs when my network is up: /etc/network/if-up.d/run-iptables #!/...
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TLS 1.0 expiry [ERR_SSL_VERSION_OR_CIPHER_MISMATCH] on Apache 2.2.8

I have some legacy web appliations running over Apache 2.2.8 and openssl 0.9.7a. I have start receiving ERR_SSL_VERSION_OR_CIPHER_MISMATCH on latest browsers. Multiple virtual hosts configured on the ...
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Kickstart Fedora server iso using usb

Hi I need to create a Fedora Server image with my application in it using kickstart installation. I have executed following steps : Downloaded the fedora35 Image from https://getfedora.org/en/server/...
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Issues using SCAP Workbench on Fedora 35

I have an issue with installing and running Flatpacks because I installed SCAP Workbench which changed my default system settings (Fedora 35).
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block internet access to all applications except whitelisted

If blacklisting I'd use firejail, but since I want to whitelist and include preinstalled binaries, seems like SEL is the only potential choice. Essentially, could SEL be used to add a new type context ...
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Unbound stub files don't work?

I have an Unbound server and an NSD server. re1 -- Unbound for recursive DNS ns1 -- NSD for Authoritative DNS Both of these servers work. I can 100% use dig and get an Answer using both. The problem ...
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Connection reset by peer after firewall swap

I have been working on a connection reset issue with SVN traffic after my client's firewall was replaced by a Sophos XG model early last year. Previously had Sonicwall. I opened multiple cases with ...
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Fedora Server: Is there a security feature that prevents drag-and-drop onto a VirtualBox VM (host: Windows 10)?

Not sure if it's the right part of the forum to post this, but I've just created a VM on VirtualBox with the latest Fedora Server as guest, and everything went fine. Now, I must import a Windows ...
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SSH with ProxyCommand fails after update to Fedora 35

The command I use looks like: ssh -o ProxyCommand='ncat --proxy-type socks5 --proxy 127.0.0.1:3744 %h %p' me@example.com Since updating to Fedora 35, the connection fails with the error message ...
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How to setup xfrm tunnel on boot for Fedora/RedHat/CentOS?

After researching for a couple of days, I was utterly stuck in understanding how to configure XFRM tunnel on boot for Fedora/RedHat/CentOS systems. I didn't have any issues with the same task on ...
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On Fedora, how do I configure selinux to allow a port for a new undefined service type?

I have several things that I'd like to be able to stand up as servers on Fedora. I know I can run at least some of these in podman or docker but I already know how to do that. I also already know how ...
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IPtables rules to bypass squid proxy

I Think I just need a sanity check on some iptables rules. (spoiler alert its not good.) The basic issue. We have a Squid Proxy server that is interfering with Various internet resources. I am remote ...
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Fedora CentOS Cockpit ssh key passphrase won't work

I have a problem with cockpit on two servers running CentOS and Fedora. I can login with my public ssh key with passphrase via ssh commandline. But I can't get that to work with cockpit. When I put my ...
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Please help me understand mounting cifs for domain group

I have samba ad dc and on a different member I have a file server. Domain Controller = Debian 11 (DC01) Domain Member (File Server) = Fedora 34 (FS01) Domain Member (Workstation) = Fedora 34 (F01) ...
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Unable to log in with AD credentials

I have a DC (Debian) that seems to be working fine. I am able to join the domain but when I join a Fedora member it joins but the DNS isn't registered. I have to manually add the record to the dc. ...
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Samba Domain Member and DNS Problems

I am trying to use my Fedora 34 workstation as a domain member but I'm having problems. First problem is that when I join the domain, I get an dns error. net ads join -U Administrator Enter ...
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Fedora 34 - Unable to resolve any name inside docker containers

im on Fedora 34 (= host system) and i have a problem within my docker containers not resolving any domain. On the host resolution works without problems. Here's what i tried: restart & reinstall ...
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How to block a internal host from the internet with firewalld by MAC address

I am trying to stop some hosts on the network from going outside/calling home. So I have 2 zones. [root@eagle ~]# firewall-cmd --get-active-zones external interfaces: enp2s0 internal interfaces: ...
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How do I run dnsmasq and samba ad dc on the same server?

I am able to run dnsmasq with no issues but only when I don't have samba (ad dc) running. With dnsmasq running I am able to resolve both internal and external hostnames within my network. However, ...
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Split initrd into smaller files

I would like to know if it's possible to have a split initrd implementation. Our reason for doing this, is the fact that our Fedora based application uses a stripped version of Fedora underneath with ...
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Cannot boot from initramfs (unable to switch root, sysroot directory is empty)

Okay, so I have a problem with Fedora 34. More specifically, I have a problem with a custom built image that is part of the services that we deliver. The Problem The problem has to do with initramfs. ...
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Fedora Server 34 crashes randomly every few minutes on HP ProLiant DL380e G8

I am unfortunately having a problem with my HP ProLiant DL380e G8 server running Fedora Server 34. I suspect these are memory errors or a DIMM being/going bad, however I'm not sure. Feedback is very ...
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How to configure Fedora 34 with three NICs and three subnets to route traffic?

I have a Fedora 34 linux and it has a physical ethernet interface (NIC3), a physical wifi interface (NIC2) and an USB/Ethernet interface (NIC1) (USB LTE Dongle). I would like to use the NIC3 to route ...
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podman load executed in systemd service not taking effect on fcos system

Hi I'm new to FedoraCoreOs. But I'm trying a very simple probe of concept. I'm trying to load a .tar docker image into the fedora core os local registry at starup. I'm using systemd and a service ...
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Showing [Installed Version] when upgrading with dnf in CentOS/Redhat/Fedora/Rocky Linux

When running dnf upgrade it only shows the new version of a package about to be upgraded. But I would like to see what the currently installed version of the package is too. Without having to go look ...
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CGroup not mounted on Fedora 34

I have freshly provisioned Linode instance with Fedora 34. The only thing I have installed on it is libcgroup. cgconfig service is starting properly and there are no errors but the subsystem is not ...
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PfSense Fedora L2TP VPN stop traffic flow on HTTP hit

I have configured L2TP VPN on PfSense 21.05-RELEASE (amd64) and fedora 33 as client, once VPN is connected I can ping remote host but as soon as I tied to hit HTTP site (google.com) traffic flow of ...
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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:...
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Calico node remains not ready when a new node with a 192.168.178.x IP joins a K8s cluster

kube-system pod/calico-node-9czgm 0/1 Running 3 42d kube-system pod/calico-node-msfjk 0/1 Running 0 ...
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Fedora 34 Docker Image failing to build due to Disk I/O error (Digital Ocean App Platform host)

I have a Dockerfile which is basically: # syntax=docker/dockerfile:1 FROM fedora:34 RUN dnf --assumeyes install python3 python3-pip python3-gdal Which runs fine locally on various host machines. ...
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Can't connect to Docker Postgres, pre-login handshake

I've just installed a fresh Fedora 34 VM and put docker on it, nothing else. disabled SELINUX for simplicity's sake. pulled the latest postgres docker image. created a docker container with docker ...
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How do I get one Dell PowerEdge R720 network interface up?

I have a Dell PowerEdge R720 and it only has one place in the back to plug in a network cable. But it has 5 possible network interfaces: picture of ip link show But they are all DOWN when i run ip ...
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Unable to resolve host FQDN in fedora 32 linux

I am connecting through wifi and when I am connecting to the VPN thereafter my /etc/resolv.conf is getting updated as below. # Generated by NetworkManager nameserver IPV6_address nameserver ...
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Postfix not sending emails to external domains from mailing client

I have just finished setting up postfix and dovecot on my virtual server. I am able to send emails to external email addresses from my Linux console using mailx but when I try to set up mail account ...
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SSH - Permission denied (publickey)

It's another SSH issue. It worked before updating to Fedora 33, but now it doesn't which makes me believe it's a client side issue. Anyone seeing something in the logs which could give a clue? ...
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Configuring NVIDIA Display under Fedora 34 running in VMWare 6.7

I am trying to configure a copy of Fedora 34 running as a VMWare 6.7 client, on a Dell R710 blade. I have installed an NVIDIA GeForce GT 710 graphics card into a riser board and would like to use this ...
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Local dev environment with wildcard .test domains, served by dnsmaq on fedora 33/34 [closed]

I am trying to set up an Intel NUC with Fedora 34 as my new stable local web development environment. My environment on mac OS x gets destroyed by system updates, even homebrew currently throws a lot ...
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sshd on Fedora: Recent changes to UsePAM break existing security; PermitRootPassword & UsePAM no not honored, minimal PAM config doesn't work either

I did upgrade on a Fedora Server and was SHOCKED to discover thousands of root attacks on my publicly facing servers and I can't seem to figure out how to stop them! To be clear; It IS possible to log ...
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Ping host with dual IPs on 1 IP, echo returns from other IP

I'm running Fedora 33 on a host (i5 cpu, 8Gb RAM, SSD and hdd) which is set up as a router; it has 5 NICs. I've managed to get dual internet gateways and dual LANs working reasonably well using ...
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Create selinux context for systemd script?

I'm trying to create a systemd service that executes a custom script I wrote. It is just a backup script that I am using with a systemd timer. When I try to execute something simple in the systemd ...
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couldn't upgrade to fedora due to error “nothing provides python3.8dist(python-magic)”

I'm using fedora 32. I did sudo dnf update -y I got below error - $ sudo dnf update -y Last metadata expiration check: 1:24:24 ago on Mon 30 Nov 2020 04:42:35 PM EST. Dependencies resolved. Problem: ...
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