Questions tagged [linux]
Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel.
38,964 questions
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How do I get Amavisd to use MariaDB, rather than MySQL
I have a server with Plesk installed and have been happily using amavisd to watch over my email systems. However, a recent update has caused a problem with this process. My server uses MariaDB for ...
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Is it possible to assign ALSA sound devices based on their USB IDs? (Sound devices swapped after system upgrade [Linux DietPi 9.20, Radxa Zero 3W]) [migrated]
After the upgrade and fixing WiFi I was surprised that Direwolf stopped working. (Direwolf is a sound modem used for packet radio applications). The reason why it was failing was that it did not find ...
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HOMER 7 WebApp shows maximum 200 search results even with pagination – how to increase backend limit?
I am running HOMER 7 using Docker Compose with the following components:
sipcapture/heplify-server
sipcapture/webapp
PostgreSQL 11 (Docker)
The system is working correctly and SIP data (...
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Can't access Samba server on Linux guest from Windows [closed]
I followed this tutorial to create a shared folder in my Linux guest machine in Virtual Box that can be accessed from my host machine (Windows 11).
I am able to access the samba share from Linux by ...
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Monit not detecting sleeping processes even though uptime rule triggers [closed]
I need to automatically end processes running for more than 24 hours on a CentOS 7 server. I’m using Monit to detect long-running processes and execute a custom script.
To test it, I reduced the ...
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What reason for application (SOLR) having its own timezone setting, and why would it still be different?
I have installed Apache SOLR for audit use with Apache Ranger. The config file (solr.in.sh) has a timezone setting, which defaults to UTC, but I have it set to Europe/Bratislava the same as the host ...
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chrony refclock "not valid age"
I have a system that take GPS time as the only source. An issue of the system is that it would set time to 2024 which is one year early from now when doing a full reset which then trigger the "...
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Determine the IPv4 pMTU to/from a system behind a NAT with directional information
Is there an easy way to determine the IPv4 pMTU (path MTU) between two Linux systems, when one of them is behind a NAT and determine in what direction packets are being dropped and where? I have root ...
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Where did my swap go?
We're running OEL8.9. I'm consistently seeing 40% of swap in use (3.1Gb out of 7.6Gb):
total used free shared buff/cache available
Mem: 62Gi 1.8Gi ...
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Cannot access self hosted website (port 80/443) from same LAN network using domain name, works from outside or using LAN IP address [migrated]
I am unable to access my website when I am connected on same network. From outside anyone can access it with no problems.
Provider: Vodafone with static IP address for business, all needed ports are ...
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Permission denied writing to NFS with same owner and ACL
I'm running a rootless podman container where I mount an NFS4 volume.
Writing to NFS works
Inside the container, I can move a directory that is not in NFS into NFS, and it also works
But if I move to ...
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Port knocking in Almalinux 10?
(First, please excuse me. Not a professional sysadmin, just someone who has had to set up a VPS recently).
I recently set up a new Almalinux 10 box, and I wanted to add port knocking to it to further ...
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Can't get iptables redirect rule working
I have a network router with this linux firmware:
Linux SNR-CPE-ME2-SFP-Lite 3.4.113.185 #1 SMP Wed Mar 19 13:55:06 +05 2025 mips GNU/Linux
I'm trying to set up a traffic redirection for a single ...
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`needrestart` doesn't ignore service
For some reason (probably a python dependance), needrestart marks openhab.service as a candidate to restart. I want that service to be ignored.
Following an answer on StackExchange (How to make `...
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After reboot of the PC dnsmasq service doesn't load dns-servers from /etc/resolv.conf
systemctl status after reboot of the system:
Nov 28 19:16:07 my-debian systemd[1]: Starting dnsmasq.service - dnsmasq - A lightweight DHCP and caching DNS server...
Nov 28 19:16:07 my-debian dnsmasq[...
