Questions tagged [linux]

Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel.

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Amanda Backup Skip Tape

Besides manually editing the tapelist, how can I skip a specified tape or make a specified tape the next tape that is run without changing the order of the tapes? This question is already asked here: ...
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VPS domain and hostname configuration: Failed to start hostname service - unit is masked

I wanted to update the hostname of my VPS server from my old server name serverxxxxxx to my domain mydomain, so I edited the two files: I have updated /etc/hostname so that now it looks like this: ...
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My Ubuntu 20.04.1 LTS PC restarts randomly

My operating system restarts by itself randomly, sometimes it reboots few minutes after boot, it happens 2-3 times and after that it's ok for a month, and I can't find anything suspicious in /var/log/...
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Docker - No Outbound Traffic / Bridge Only Works When in Promiscuous Mode

I have been struggling with a very strange networking issue for the past week. In summary, my containers can't reach the internet unless I run tcpdump -i br-XXXXX (which puts the bridge into ...
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Weird bandwidth issue with double NAT and Windows clients

I have the following issue and literally tried everything already and cant figure out, what's the root cause of this, how it is explained, and then also how to maybe fix it. Setup: Cable Router 192....
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Postfix subdomain configuration for SendGrid

I have an Ubuntu 18.04 machine with the FQDN and hostname worker.example.com. I want to send mail via SendGrid and have whitelisted the example.com domain using DNS records. /etc/mailname is set to ...
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ssh match condition: connect only via key only for a specif user and not on a specific subnet

I want to be able to connect to an ssh server with an user only via key but only if he is not connecting from a specific subnet. If he is connecting from this specific subnet password authentication ...
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Error: Connection activation failed: Failed to find a compatible device for this connection

Hi linux newbie here pardon any mistakes. I have configured a network namespace local-routeTable and have brought up interface eth3 inside the namespace: # ip netns exec local-routeTable ifconfig eth3:...
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How to configure linux routing to enable load balance between two interfaces?

I have these interfaces on my linux machine : eth0, vti1 and vti2. vti1 and vti2 were added after I configured libreswan IPSec. Now I want to distribute traffic through both these interfaces equally. ...
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37 views

Limiting number of MAC address per port on Linux based platrform

I'm looking to limit the number of mac addresses allowed to be learned on a specific port. Similar functionality exists on the L2 switch. For example this cisco based configuration. If the maximum is ...
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Minecraft server constantly crashing [closed]

I tried to make a VM instance on the Google cloud platform for my Minecraft server. But It's constantly crashing after a few hours. It says that I don't have enough memory but I think I allocated more ...
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Routing between two interfaces on Raspberry

do have these physical interfaces on my PI eth0 Link encap:Ethernet HWaddr b8:27:eb:8b:d9:d4 inet addr:192.168.2.42 Bcast:192.168.2.255 Mask:255.255.255.0 wlan1 Link encap:...
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(certbot) How to fix Failed authorization procedure

I am running Ubuntu 18.04 with nginx and I am getting the following error when I try to generate a ssl certificate for my server using certbot: Failed authorization procedure. irfreeman.ubuviz.com (...
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Freshly installed Nginx in debian .it is runing but i can not access the default webpage by ip in a browser

service nginx status gives nginx.service - A high performance web server and a reverse proxy server Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled) Active: ...
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Unable to start mysql server on linux Debian 9

I have tried a hundred of commands to fix this but to no avail. I get this error when I try to run mysql service: [email protected]:/# systemctl status mariadb.service ● mariadb.service - MariaDB 10.1.45 ...

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