Questions tagged [server]

Ubuntu Server is a flavor of Ubuntu that comes with with no desktop environment by default, with command-line SSH login as the default way of remote access. This tag should be used for questions related to Ubuntu Server (as opposed to Ubuntu Desktop variants), as well as any questions related to installing services and programs on Ubuntu Server.

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Postfix server sending emails using wrong FROM address

I'm trying to get a working Postfix and currently I'm dealing with the following error in my logs: postfix/qmgr[57927]: 0E37E7B9B9: from=<[email protected]>, size=250, nrcpt=1 (queue active) ...
Brenno Flávio's user avatar
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Connection via SSH works once or twice then never again for that client

I have recently set up a Ubuntu Server minimized. I initially used the server through an SSH with client1 but after one use I kept getting Connection Timed Out when attempting to ssh from client1. I ...
Austin Plunkert's user avatar
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What does "Add As Another Boot Drive" do?

When installing Ubuntu 22.04.3 server, I can select a drive as boot drive which then Ubuntu installer will create a 1GB boot partition on it and then I can select another drive as "Add As Another ...
Marry Jane's user avatar
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Issue with copying Files in to the ubuntu server

I’m running Ubuntu server 22.04.3. I have an issue with my server while I’m trying to copy lots of files in to it. It’s start copying but half way through stops and changing disk privilege to read ...
samjuzyk's user avatar
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Private Shared Folder

Good day, I have a question regarding my private shared folder. I add already a user called 'private' something like this: lhon@lhon-server:~$ sudo adduser private Adding user `private' ... Adding new ...
Lupong Gathana's user avatar
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Ubuntu Server 22.04.2 won't boot after fresh install

I've repeatedly tried doing a brand new install of Ubuntu Server to an ancient computer (Intel ECG3510M) w/ a dedicated Samsung SSD (in other words, no Windows OS). Goes through the entire install, ...
Chris Mathews's user avatar
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run file-system checks on ubuntu server using live media

I'm getting a readonly file system error with my ubuntu server after a power outage. I have the thumb drive I installed the server from. It's been suggested I boot from the thumb drive and run file-...
user3476463's user avatar
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Where to get ubuntu-4.4.0-78.iso?

Somehow my /boot got completely erased. The oldest version I see to download is 14.04.6 LTS (Trusty Tahr).
Chris Mathews's user avatar
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How to enable clipboard support on Ubuntu server?

I have VIM installed with clipboard and xterm_clipboard supported. But registers "* and "+ don't work. I suspect that Ubuntu server version doesn't have GUI support, so it doesn't have ...
cpcopy's user avatar
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I'm trying to get the autoinstall working for Ubuntu server 22.04 but the installer doesn't seem to pick up the instructions

I'm trying to get the most basic Ubuntu Server headless installation scenario working. I trimmed my user-data yaml file down to the bare minimum. #cloud-config version: 1 identity: hostname: ...
Boris's user avatar
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How to SSH after deleting ~/.ssh folder

I was getting prompted to enter my password instead of authenticating with my SSH key. I thought if I deleted everything in ~/.ssh I would be able to generate a new key from my laptop, manually copy ...
Chris's user avatar
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How to reserve internet bandwidth for a server (Ubuntu 22.04)

How to reserve internet bandwidth for a server? I know I can limit bandwidth but I want to do the opposite thing. What I mean by that is I want to have always reserved 200Mb/s of upload and download ...
Kamiszewskyy's user avatar
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How to convert physical machine to virtual machine

Im having a ubuntu physical server with 18.04LTS OS having a 500gb of Data, now i want convert this physical machine to virtual machine in VMWARE environment, I have tried using VMware converter but ...
Nithin's user avatar
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server boots into read-only file system after power outage

ok obi wan you're my only hope. my power went out recently and when it came back on, when I login to my ubuntu server I get the message below: Unable to setup logging. [Errno 30] Read-only file ...
user3476463's user avatar
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How can I fix an ssh error for my home server

I am on Windows and am trying to ssh into a ubuntu server device, it is my home server and the password is correct. after 3 attempts of the password Permission denied (publickey,password). comes up is ...
SmoothTurtle872's user avatar
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Cannot open root device "ram0" attempting to netboot ubuntu server with matchbox

I'm attempting to netboot ubuntu using matchbox and following these instructions. The kernel params I used are: root=/dev/ram0 ramdisk_size=1500000 ip=dhcp url=<mymirror_url> Where the url is a ...
eriknelson's user avatar
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Wrong packet per second value on vlan interface tcp traffic

I get wrong results when I check pps value on sub interface (vlan interface), on Ubuntu 22.04, but I know other versions have this problem as well. I send traffic 100mbps to my test machine. On ...
AduX's user avatar
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I have another user than root with UID 0

I'm running a VPS which I have forogtten for quite a while. It was still running Ubuntu 18. I logged in today an saw that apparently the server was hacked, it was running a cryptominer and stuff. So I ...
Brettetete's user avatar
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Ubuntu Server 22.04 Problems after 3/8/23 update

I've been using Linux for quite a while now and use Ubuntu 22.04 server for my homelab project. Yesterday, 3rd August '23, I ran the $ sudo apt update followed by $ sudo apt full-upgrade and when it ...
atom-88's user avatar
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Error when setting static IP

when I install DHCP the network service is normal, but when I set the static IP the network shows a question mark as shown. I am using Ubuntu 20.04 installed on VMware.
John's user avatar
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Network stops listening after some time Ubuntu 20.04 LTS

I am currently running on ubuntu 20.04 LTS All packages are up to date. Using Ping 8.8.8.8 does not work. Randomly stops after {some number}th ping and "Packet loss" occurs. However when I ...
argus10q's user avatar
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ubuntu server can't connect to internet or use sudo after power outage

my power went out recently and when it came back on, I'm not longer able to connect to the internet from my ubuntu server. I can still ssh into the server remotely from my laptop while I'm on my home ...
user3476463's user avatar
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336 views

fwupd-refresh.service fails periodically when running from systemd 12 hours

Manual execution is success. Nothings happen. Jul 30 19:28:02 server systemd[1]: Failed to start Refresh fwupd metadata and update motd. Jul 31 07:27:59 server systemd[1]: Failed to start Refresh ...
HBtools's user avatar
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Cannot connect to the internet after enabling ufw

Having installed UFW on my ubuntu server. I disabled all incoming, enabled all out going, ssh, http and https. Finally, I enabled ufw. However, all commands the requires the internet failed. sudo apt ...
Oluwaseun Olorunshola's user avatar
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274 views

Issues setting up wireguard on an Ubuntu 22 machine

It's the first time I'm trying to set up a wireguard server on a Ubuntu 22 machine and I don't understand what exactly am I doing wrong. I'm using https://github.com/angristan/wireguard-install as an ...
Leeroy Jenkins's user avatar
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101 views

Checking tsp logs via ssh

I'm using task spooler to run a process on my server. Is there a way I can check the logs via ssh? It seems that the commands are run by user/session, so I when ssh via terminal, I don't see anything ...
Abdul Sadik Yalcin's user avatar
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1 answer
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SSH PAC app cannot connect to upgraded system

I'm running the SSH client PAC on my Ubuntu 22.04 desktop. It has been working great connecting to many cloud servers. One of those servers was running Ubuntu 20.04 and I was able to log onto it with ...
Mike Higgins's user avatar
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Trouble getting into grub menu on fresh ubuntu server install

I have already set up one old computer and I'm trying to set up my 2010 old mac desktop to a server. When I select my boot drive from the usb it shows commands for about 2 seconds then goes black. I ...
ryan r's user avatar
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Samba Permissions Issue, moved shared folder to external drive

I am running Ubuntu Server on a rasp pi 400 I installed samba, created samba user and password, created a shared folder with samba(user) as owner and group. This shared folder was located under /home/...
raspbuntu's user avatar
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Unable to login to Ubuntu 20.04 Server

Team, I am Unable to login to Ubuntu 20.04 Server as post entering user credentials it again comes back to login screen. I tried with both local as well as domain credentials but same result. Need ...
Rahul Sharma's user avatar
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ldapadd: invalid format (line 19) entry: "" . Need help

Command: sudo ldapadd -Q -Y EXTERNAL -H ldapi:/// -f custom_schema.ldif Output: adding new entry "cn=my_custom_schema,cn=schema,cn=config" ldapadd: invalid format (line 19) entry: "&...
babayaga's user avatar
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node-rebuild error when installing React frontend on Ubuntu 16.04

I am trying to install React frontend on Ubuntu 16.04. I am using node version-14.21.3 and npm version:6.14.18. I am also using node-gyp global version 9.4.0. I am still getting a node-gyp rebuild ...
Nitesh Jha's user avatar
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26 views

I think I made a mistake installing an Ubuntu server, how do I fix this?

The laptop I'm using is an old HP Stream (I can't remember the exact model number), and I made a noob mistake and forgot to check for an Ethernet port. Apparently this laptop doesn't have one and I'm ...
Gael's user avatar
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932 views

Ubuntu Server 22.04 ping timeout even though it gets IP address and it shows connected on my router

Ubuntu Server 22.04 ping times out even though it gets the IP address and it shows it's connected on my router. The timeout happens when I ping to/from it in the network, but running ip a shows that ...
Adam Joney's user avatar
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39 views

how to remove foreign architecture on ubuntu 23.04

when I tried to upgrade it is shown as follows:-unknown option 'foreign-architecture' ub-process /usr/bin/dpkg returned an error code (2) ramendu-narayan-datta@ramendu-n How can I solve this?
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2k views

Samba share folder cant access on windows: ask your administrator for permission

I have created a shared folder in Ubuntu and made 2 users i gave all the permissions in smb.cfg . My windows machine can find the shared folder when i double click it it asks for credentials and on ...
smurfeas's user avatar
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1 answer
660 views

Ubuntu server on Pi won’t connect to Internet

For the past few hours I have been following to official Ubuntu guide to setup an Ubuntu server on my Raspberry Pi 3B+ however whenever I boot up the server and sign in it doesn’t connect to the ...
Agent Blade's user avatar
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979 views

ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/run/mysqld/mysqld.sock’ (2)

Hello I've a major issue here that the server diskspace got full days ago, then all services turned off I managed to clear some space and have 48GB free space, but the issue I face now is that I can'...
Spong my bob's user avatar
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apache2 The Alias directive in /etc/apache2/conf-enabled/autoindex.conf at line 21 will probably never match because it overlaps an earlier Alias

As delivered on 22.04, in the apache2 package, there is a duplicate alias definitions for /usr/share/httpd/icons. The alias of /icons/ is found in both mods-available/alias.conf and conf-available/...
Ed Greenberg's user avatar
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27 views

forward l2tp client to expressvpn

i have ubuntu server and connected to ExpressVpn can i forward l2tp to ExpressVpn? User => l2tp connection => ExpressVpn thanks
ash m's user avatar
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106 views

Getting Wavlink (Displaylink) USB-VGA adaptor to work on Ubuntu Server

Complete noob when it comes to Linux here, so any help would be much appreciated. I have a Wavlink UG39DH4 USB adaptor that I'm trying to get working on a headless Ubuntu Server (22.4.1). I'm ...
red's user avatar
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ubuntu server DHCP Server two interfaces -how?

Hi I have got a problem with DHCP Server on ubuntu server witch is configured on rasbery pi. Device has two network interfaces wlan0 -where is Internet from phone and eth0. The problem is that eth0 ...
Piotr Płytkowski's user avatar
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95 views

ubuntu server can't login

I need help! I installed Ubuntu 22.04 on vmware. After rebooting I put the username and password that I wrote during the configuration but doesn't login. Why? and how can I solve it? ubuntu is in ...
gdima's user avatar
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501 views

Ubuntu Server 20.04.6 doesn't detect hard drive during installation from USB

I'm trying to install Ubuntu server 20.04.6 on an HP Envy Desktop TE02-XXXX that runs the BIOS in UEFI mode, has two M.2 SSD hard drives and Windows 10 preinstalled. I created the bootable USB with ...
bnico's user avatar
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152 views

Ubuntu 22.04 Server fails to boot on Raspberry Pi 4: Failed to load "initrd.img"

I was using Ubuntu Server 20.04 and then tried updating it to Ubuntu 22.04. I left it overnight and in the morning I could not access it. I pulled the plug, powered it again and no boot. The EEPROM ...
Pranav R's user avatar
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1 answer
840 views

Autoinstall issue 22.04.2 server packer

Weird issue when using autoinstall its fires up cloud-init and starts doing something but gets to subiquity/meta/status_get and its falls over. So heres what i'm using ubuntu 20.04 moved to 22.04 ...
Scott Johnstone's user avatar
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197 views

Struggling to do anything with docker.io

I've recently had to commission a new NAS and I am running into a problem with docker. The logins, pulls, or runs I do fail with: Unable to find image 'nginx:latest' locally docker: Error response ...
addohm's user avatar
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159 views

Port 8080 (tomcat7) wont connect from outside the localhost computer

I am running tomcat7 but I don't think there is an issue with the setup. I can connect to port 8080 from the local machine. I cannot connect to 8080 from other computers on the network. There is no ...
Joel Swanson's user avatar
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362 views

Telnet not working on Ubuntu 20.04

I want Ubuntu to be telent server, for which I installed telnetd: ngadre@in01-7h4wrf3:~/Documents/release6.6.1/caos$ sudo apt install telnetd -y [sudo] password for ngadre: Reading package lists... ...
RootPhoenix's user avatar
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45 views

SFTP MaxAuthTries error

Hello I'm following some instruction on the internet to be able to connect to my server via SFTP using Transfercloud.io but when I try doing test inside ubuntu I'm getting this error ubuntu command $ ...
Marco Carranza's user avatar

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