server

22.04.4 Server – No Choice to Keep Existing Installs?

22.04.4 Server – No Choice to Keep Existing Installs? I have other partitions (data and OS) that must be kept intact on the only drive I can use on this PC. (Why I can’t change things: This is for a ‘home server’; not a company machine with lots of drives available.) Documentation from Ubuntu suggests …

Total answers: 1

Ubuntu Server 22.04.4 LTS on Raspberry Pi – How to downgrade the Kernel

Ubuntu Server 22.04.4 LTS on Raspberry Pi – How to downgrade the Kernel I am currently having trouble finding a tutorial on how to downgrade the kernel of Ubuntu Server 22.04.4 LTS on the Raspberry Pi. The currently installed kernel version is 5.15.0-1050-raspi. The Pi version of Ubuntu Server 22.04 LTS does not have GRUB …

Total answers: 1

Unable to grow vm disk using Cloud-init's growpart and resizefs

Unable to grow vm disk using Cloud-init's growpart and resizefs I have Ubuntu 20.04 virtual machine server with Cloud-init installed. I am trying to get the vm’s disk to be automatically expanded with Cloud-init. The vm host is ESXi and data source is None as I just want to do some automatic configuration for new …

Total answers: 2

loginctl enable-linger error Could not enable linger: Access denied

loginctl enable-linger error Could not enable linger: Access denied I have 2 Ubuntu 20.04 servers. One of them gives me this error. Could not enable linger: Access denied when running loginctl enable-linger The other server doesn’t raise any errors. I did a bit of research, but I could not find a solution to my problem. …

Total answers: 1

git@github.com: Permission denied (publickey)

git@github.com: Permission denied (publickey) I am currently setting up my continuous deployment (CD) pipeline and first got it running on a VM (VM-1) on my server. Everything worked fine. Now I want to use it on another VM (VM-2) on the same server. I have manually copied the SSH public and private keys from the …

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I accidently changed my root user's name and now have lost all root permissions

I accidently changed my root user's name and now have lost all root permissions I was messing around on my minecraft server with usermod and at some point I copied a command from a forum with incorrect terms. now when I sudo cat /etc/passwd, the output for my root user is as follows 2r(M@kRf5N#u2DW2root:x:0:0:root:/root:/bin/bash with …

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Port not open (ufw disabled)

Port not open (ufw disabled) On the server, running Ubuntu 22.04 sudo netstat -tnlp | grep :4000 tcp 0 0 0.0.0.0:4000 0.0.0.0:* LISTEN 10690/nxd tcp6 0 0 :::4000 :::* LISTEN 10690/nxd The service responds to HTTP request: curl localhost:4000 curl: (52) Empty reply from server ufw is disabled sudo ufw status Status: inactive From client …

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dnsmasq configuration for TFTP + ProxyDHCP in Ubuntu Server 22.04.3 LTS

dnsmasq configuration for TFTP + ProxyDHCP in Ubuntu Server 22.04.3 LTS I’m trying to configure a PXE setup, in which my Ubuntu Server 22.04.3 LTS would act as TFTP server + ProxyDHCP (current DHCP server has to remain untouched). I’ve googled a lot, and tried a lot of different configurations, but didn’t succeed. Let me …

Total answers: 2

ping a *.local address client

ping a *.local address client I have a bind9 dns cache server running (for example with zone ".home" and any clients with ubuntu and raspberian. Additionally some other clients with Mac OS, Windows etc. I can ping all units by IP address. I can’t ping all units by xxx.local. I can ping all units by …

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Download and Remove the files from SFTP server

Download and Remove the files from SFTP server I am using this to download the file from remote server but could you guide how can I use one command to first download and then remove the file from server. sshpass -p password123 sftp User@sft.domain.co.uk:/Complete2/Database.bak /home/user/.docker/appdata/mssql/backup/Database.bak Thank you Asked By: mouzzampk2014 || Source sftp usually accepts …

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How to handle unused loop partition after removing snap/snapd?

How to handle unused loop partition after removing snap/snapd? While working on an Ubuntu Server for personal use, I removed what would not be necessary for my usage. It is snapd & snap that I would like to properly clean. I removed snap and snapd using the neatest way possible (snap remove <the default installed …

Total answers: 2

DHCPD and Appamor

DHCPD and Appamor I running ubuntu 22.04 on raspberry pi, with fixed IPv4 address. On the server a isc-dhcp-server is running. (i know isc-dhcp-server is outdated an not in service anymore). While starting appamor denying dhcpd operation: apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/proc/sys/net/ipv4/ip_local_port_range" That’s not a problem, because of fixed IPv4 address, but why and how can …

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I Uninstall my apach2 from ubuntu now I am unable to reinstall it

I uninstalled my apache2 from Ubuntu, now I am unable to reinstall it I Uninstall my apach2 from Ubuntu because it looks not working now I tried to install it again with the command sudo apt install apache2 and I can see the below errors E: Failed to fetch http://mirrors.cloud.aliyuncs.com/ubuntu/pool/main/a/apr/libapr1_1.7.0-8ubuntu0.22.04.1_amd64.deb Could not resolve ‘mirrors.cloud.aliyuncs.com’ E: …

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Safe to upgrade packages?

Safe to upgrade packages? Upon login to my Ubuntu 22.04 server, it told me there were upgrades available. I just installed a new Nvidia driver with CUDA from source, though. Is it safe to upgrade these packages? cees_timmerman@server:~$ nvidia-smi Thu Feb 15 14:26:06 2024 +—————————————————————————————+ | NVIDIA-SMI 545.23.08 Driver Version: 545.23.08 CUDA Version: 12.3 | …

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OpenVPN is not listening on any port

OpenVPN is not listening on any port Dear ladies and gentlemen! I know that there is a lot of questions typical to mine in the Internet, but I could not find the solution anywhere. Maybe someone here can help me? I have a VPS with Ubuntu 20.04, and there I have installed an OpenVPN server; …

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/etc/bind/rndc.key: permission denied

/etc/bind/rndc.key: permission denied https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=386791 $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 23.10 Release: 23.10 Codename: mantic I have a problem with running rndc reload, I change permissions, add include, but I still have the same problem as in this link. And I need rndc for configuration according to the …

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Multipath Problem

Multipath Problem When I run multipath -ll, only mpatha appears but not mpathb. Asked By: Iskele || Source WWID for mpathb does not match: 0012c8sa VS 0012c85a Answered By: Gabriele Pigozzo

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I have this error: "unknown cipher type"

I have this error: "unknown cipher type" I’m creating an ubuntu server. I’m totally new. The first redflag is when the pc is turning on, before everything is loaded, it fails in "a start job is running for wait for network to be configured". At the beginning of the installation I set an Static ip …

Total answers: 1