server

mysql-common : Conflicts: mysql-server-8.0 but 8.0.34-0ubuntu0.22.04.1 is to be installed sudo apt-get purge mysql-client-8.0 mysql-server-8.0 mysql-server-core-8.0 Reading package lists… Done Building dependency tree… Done Reading state information… Done Package ‘mysql-client-8.0’ is not installed, so not removed Package ‘mysql-server-8.0’ is not installed, so not removed Package ‘mysql-server-core-8.0’ is not installed, so not removed 0 upgraded, 0 …

Cannot ssh to ubuntu vm (not localhost) I’m trying to connect to my VM that’s running Ubuntu. I figured out its IP address as well as the IP address of my host computer and inputted into the network settings via the VirtualBox Manager like so: Here the Host IP is the IP of my computer …

Htop display options I need help setting the second in the display options section. I accidentally pressed space too long on highlight time (in seconds), and now it is 2190, and I don’t know how to lower it. I’ve tried to press and hold space, but it seems like it would go to a high …

Add a new 16TB HDD and transfer the OS to it I have 2x 4 TB and I bought another one of 16TB. I mounted it with the following commands: cd /mnt/ mkdir data2 blkid /dev/sdc fsck.ext4 /dev/sdc mkfs.ext4 /dev/sdc mount /dev/sdc /mnt/data2 lsblk sda 8:0 0 3.7T 0 disk ├─sda1 8:1 0 32G 0 …

Update error: The following packages have unmet dependencies I am trying to update my Ubuntu Server via Cockpit interface and it says this: The following packages have unmet dependencies: libmailutils6: Depends: mailutils-common (= 1:3.7-2.1) but 1:3.14-1 is to be installed qemu-system-x86: Breaks: qemu-kvm libtss2-tcti-cmd0: Breaks: libtss2-esys0 (< 3.0.1-2) but 2.3.2-1ubuntu0.20.04.1 is to be installed libtss2-tcti-device: …

DNS issues on Ubuntu 22.04.3 headless server Background Trying to configure a headless plex server on a little Optiplex machine I bought. Everything has gone smoothly until I try to claim my plex server and it turns out there are DNS issues on the server. I’m running Ubuntu 22.04.3 I should preface this by mentioning …

boot ubuntu server from live media to repair previous install I’m trying to boot ubuntu server from live media. I’m trying to repair my current ubuntu server I’m using my original install thumb drive. I’m working on asus hardware. When I try to launch from the thumb drive on uefi partition I only get choices …

2 Ubuntu servers, A is connected to B via ethernet. server B has 2 NIC, one of is connected to the internet. A cannot see B or the internet I have one ubuntu server running 20.04 with 2 NIC – one connected to the internet gateway and the other connected to another ubuntu server running …

Server hardening of Ubuntu 22.04 by analyzing and removing unnecessary packages I have read Jay Lacroix’s book about "Mastering Ubuntu Server", and he recommends removing all unnecessary packages in order to reduce the attack surface. Specifically, he advises running apt-cache rdepends <package> to find out if there are other packages depending on a package we …

How to configure Apache2 on Ubuntu Server to use a domain name I’m very much new to hosting my own server. I’m following this tutorial: https://www.answertopia.com/ubuntu/setting-up-an-ubuntu-web-server/ and I’ve gotten to the section titled "1.7 Configuring the Apache Web Server for Your Domain". I’ve followed all the steps but when I get to the part where …

Can't ping outside my network Like my title i cannot ping outsidwe my network, i have been using Ubuntu Server 22.04.2 LTS for a little while on a mini PC and I set the wifi settings on my machine when i installed the OS a year ago and since thiss morning i havent been able …

Connecting to my locally running ftp server written in golang I am trying to use this ftpserver on Ubuntu. I am able to start the server as in below screenshot but I don’t know how to connect to it when it’s running. I tried ftp [IP] command which I found online, since it is running …

how to wirte a multiline text including space key to "late-commands" section in cloud-init "user-data" file i am trying to write a user-data file so i could deploy many ubuntu server at the same time. but now i am stuck at the late-commands section. i am trying to add a netplan configuration to 01-network-manager-all.yaml file. …

Is there a way to edit sshd_config without disabling it and enabling again? so I would like to know if there is any way to edit sshd_config without disabling it, then enabling it? I’m asking because I want to create a few Match User options but I don’t want to disable it because it is …

Random Segmentation Faults and Python Errors – Ubuntu 22.04 LTS I’m experiencing random segmentation faults and python errors I can’t explain on one of my Ubuntu servers. I have been unable to reproduce these faults on any other server or on my development computer. I’m trying to figure out if this is software related (external …

Resize logical volume in ubuntu without damaging When I run lsblk i get as below vda 252:0 0 150G 0 disk ├─vda1 252:1 0 1M 0 part ├─vda2 252:2 0 1.5G 0 part /boot └─vda3 252:3 0 148.5G 0 part └─ubuntu–vg-ubuntu–lv 253:0 0 74.3G 0 lvm / now i want to inrease size of ubuntu–vg-ubuntu–lv …

Installing Nginx old version 1.4.6 issue When installing nginx, it requires dependent packages like nginx-core, nginx-full, nginx-nasxi, etc. After I install nginx-core and nginx-common, the remaining packagess refuse to install due to conflicts with nginx-core. The ‘main’ nginx_1.4.6 package is also ‘forget’ about dependencies on nginx-full, nginx-nasxi, etc. I have the same versions of all …

Something unknown reads data from my disks I’ve got a small server at home to access my files and the HDDs don’t spin down. Currently it runs Ubuntu Server 22.04. Executing something like $ cat /sys/block/sde/stat displays some information including the total sectors read. If I wait for about 20 minutes and execute this command …

Ubuntu server 22.04 how do I determine what DNS server is in use from the command line? I’ve already read the link here. I tried this from the accepted answer nmcli device status but I get this result sudo: nmcli: command not found. Then I read this link. I tried this systemd-resolve –status | grep …

Is it a good practice to restart VPS server everyday? I am building an app server using Ubuntu 20.04 and will be serving thousands of clients with potentially a million http messages everyday. I wanted to ask if it is a good practice to restart my server everyday at midnight? I think this will help …