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.
16,086
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Port 25 blocked for *some* connections, not all
I've been trying to set up an email server with Postfix and Dovecot. I wanted to test it with mail-tester.com but the email wouldn't get through. Emails still get delivered to my business email ...
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20
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Running my own email server?
I’ve seen this question asked in various forums but curious if things have changed over time.
QUESTION: I’d like to run my own mail server to fully own all of my data but worried about two things. (1) ...
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votes
1
answer
23
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Tarpit-Endlessh: Monitors port 2222 instead of port 22
I installed on Ubuntu 22.04 tarpit-endlessh (apt install endlessh) and made the following settings in /etc/endlessh/config:
port 22
Delay 10000
MaxLineLength 32
MaxClients 4096
LogLevel 0
BindFamily 0
...
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0
answers
12
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Remote rescue USB with no keyboard & mouse
I have a friend in a different city who has an Ubuntu box that won't boot - it powers on, but that's as far as it gets. They don't have a monitor or keyboard and I'm too far away to easily just drop ...
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19
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Ubuntu Server LTS 22.04 install fails at Storage Configuration stage
I'm attempting to install Server 22.04 on a dell R430. The installer crashes at the Storage Configuration stage. I would like to use a custom partitioning scheme. After defining my desired partitions, ...
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48
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Port Forwarding in Ubuntu Server 22.04 not working for me
I am fairly new to ubuntu and need help. I am running ubuntu server on my vps and home server. They are connected via Wireguard and I would like to forward the port 25565/tcp,udp to my home server. I ...
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18
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Installing mysql 5.7 on Ubuntu 20.04. Hopelessly mired in dependency deadlocks
I have a dead machine (really dead) and have its legacy in the form of data backups. I have a new machine and struggle beyond description (going into the third week full time!) trying to transfer ...
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9
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No such user ERROR sssd
Am joining the ubuntu machine to our active directory server when i type the command id username@domain it is showing me the no such user error.
I have checked the sssd.config file and change the ...
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23
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How to change color depth in Ubuntu Server?
I was learning vim editor from ssh terminal and messing with syntax highlighting and colorschemes and noticed my console colors were way off.
I can test 256 colors in PuTTy using,
echo -e "\033[...
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1
answer
19
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How to set power saving settings in Ubuntu Server?
After about 10 minutes my monitor turns off, am wondering if I can set it to 30 minutes? I am on Ubuntu server with no GUI, just terminal.
I found a tutorial that completely turns off power management:...
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42
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How to restart a modded Minecraft server every 24 hours?
I made a .SH file that looks like this:
Letting people know that the server is going to restart:
tmux send-keys -t VHS "/say §cServer restarting in §l30 minutes. §rPlease get ready to log off.&...
-1
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18
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I can't install Microsoft ODBC Driver for SQL Server (Ubuntu 22.04)
I have tried to install Microsoft ODBC Driver for SQL Server (Ubuntu 22.04) according to the Microsoft guide , but the following always happens to me, and I have not been able to install or clean that ...
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35
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Why is my Ceton InfiniTV 6 PCIe not working on Ubuntu Server 22.04?
There are a lot of details to understand my problem, so bear with me. I need help from any Linux gurus, Linux kernel module/driver programmers, HTPC experts and anyone with experience dealing with the ...
-1
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6
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spamassassin sa-update: unsafe ownership on homedir '/etc/spamassassin/sa-update-keys'. What are the proper permissions for spamassassin?
I am running an email LEMP server with Ubuntu 20.04 Server & Spamassassin version 3.4.4
(running on Perl version 5.30.0) installed. When I try to update spamassassin by running the following ...
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38
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Random reboot or system crash on my Ubuntu server
I'm a noob on Ubuntu as well as askubuntu.com.
I recently bumped into a faulty system, so I'm reaching for helps.
//
I have a Ubuntu-based monitor-less server, and I usually use the machine with ssh/...
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1
answer
23
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Unable to remote access the web server running on Ubuntu machine
I'm unable to remote access nginx server or express server or any server running on Ubuntu in the same network
I tried every solution found on Google, chat gpt but no benefit
I'm able to ssh on Ubuntu ...
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31
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Pinging problems
Hi guys so i study for school and i have this weird problem when i can ping from my ubuntu server installed on VBOX to my windows11
but i cant ping from my windows to ubuntu :(
Tried with firewall on ...
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1
answer
25
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How can I HTTP stream a USB webcam plugged into my headless Ubuntu Server remotely?
I have a USB webcam plugged into my computer running Ubuntu Server at home. I want to access its video feed remotely.
I am connected to the server's network with a VPN, so I can SSH into it using ...
- 111
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2
answers
50
views
Routing Table Metric With Two Interfaces
I've tried for many hours now to find a solution to my issue, but I can't seem to locate a permanent explanation - I'm also an ultra noob, so forgive me if I get the basics incorrect.
I have a server ...
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30
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Want to move the entire of Ubuntu server to a different drive
I want to move Ubuntu server to the SSD in my laptop instead of the HDD I've installed it on.
I've installed Ubuntu server on my HDD. This happened because the SSD wouldn't show up, so I thought I was ...
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1
answer
23
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NFS mount best practice
Say I have some data on an NFS server that is currently mounted to /mnt/data on a client but I want to have it accessible at /home/user/data instead, both server and client are running 22.04.
Would it ...
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27
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Sudoers, Specific Programs & Said programs arguments
I have a /etc/sudoers.d file which I want to run a program (asterisk) WITH arguments as a user (zabbix). So far I have tried:
zabbix ALL = NOPASSWD: /etc/path/to/my/script.sh
And
zabbix ALL=(ALL) ...
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1
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37
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Winexe error NT_STATUS_LOGON_FAILURE executing script from Linux to Windows Server 2012
I've installed winexe on my linux machine. I want to use it to execute some script on a Windows Servre 2012. It doesn't work, the error is NT_STATUS_LOGON_FAILURE.
I've followed this guide to install ...
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36
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Error Network is unreachable for WIFI
For some unknown reason, WIFI stopped working (Internet via cable - works properly), when pinging - it gives the following ping error: connect: Network is unreachable.
I'm new to Ubuntu, can anyone ...
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1
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0
answers
31
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Extend ubuntu swap without reboot and risk
I manage an Ubuntu server part-time in a scientific research laboratory, which has 512G memory and 8G swap space. Recently, we occasionally encounter low-frequency memory shortage, so I plan to expand ...
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1
answer
25
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How to setup an usbip server on ubuntu 22.04 LTS?
I am trying to setup an usbip server on ubuntu 22.04.1 LTS x64.
I firstly installed the the following packages via the commands:
sudo apt install linux-tools-generic
Then I load the modules via the ...
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0
answers
14
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Ubuntu Server 22.04.2 LTS installer crashing with secondary drive plugged in via USB
I have a laptop with a completely unreadable LCD panel but completely functioning internals. I had previously tried to install Ubuntu server directly onto the device using an HDMI display but UEFI did ...
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0
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23
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Adding unallocated space without data loss
I have Ubuntu Server 22.04. I have zabbix server installed on it. Unfortunately, disk space is running out. this server is a virtual machine on VMware ESXi. I added 25 GB to the server but ...
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1
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19
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Canonical MaaS utilisation on large machines
Apologies if I'm asking something that's been covered before - my search didn't bring anything up.
From what I have seen on Canonical MaaS on bare metal, we provision the whole server with a single OS ...
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How to forward OpenVPN server traffic (Tun0), after creating ccd files and all the rules, can't access the device?
port 1195
proto udp
dev tun
;user nobody
;group nobody
;persist-key
;persist-tun
keepalive 10 120
topology subnet
server 10.9.0.0 255.255.255.0
duplicate-cn
client-config-dir /etc/openvpn/ccd
route ...
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1
answer
32
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apache ubuntu 18.04 ads trailing slash at the end automatically
first i enabled mod rewrite then i used in my .htaccess this
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*)$ $1.php
virtual hosts file ...
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0
answers
24
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Why does `testparm` ignore log level setting?
My typical procedure for configuring Samba is with a config file named /etc/samba/smb.conf.master. After configuration, I implement the changes with testparm -s /etc/samba/smb.conf.master > /etc/...
- 475
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3
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217
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How to access my computer's terminal in the university dorm from another computer?
I have used ssh to access remote computers/servers where they provided me a username, a password, and an IP address (like xxx:xxx:xx.xx). What I need to do is:
ssh username@xxx.xxx.xx.xx
and then it ...
- 133
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32
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Network issues Ubuntu 20.04 LTS
I'm still new to Linux and I have been running a Ubuntu server for almost 2 years now. The machine itself is a HP ProLiant DL160 G6 and it had been shut off for about 6 months while I found a ...
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0
answers
25
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Ubuntu Server 'Temporary failure resolving 'archive.ubuntu.com'
Sorry for poor english im not very good at it.
Upon trying to run sudo apt update, i got the following result:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/jammy/InRelease Temporary ...
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0
answers
46
views
ubuntu server 18.04 shutdown unexpectedly
I have a vm running ubuntu server 18.04.1 LTS. It has been running alfresco for over 5 years. Now it started to shut down by itself. I didn't do any updates, I didn't change anything on the server, it'...
3
votes
1
answer
106
views
Unable to create SystemD user service "Failed to connect to bus: Permission denied"
Trying to run
systemctl --user start my-service.service
on Ubuntu server 20.04 as a non-root user I get
Failed to connect to bus: Permission denied
Even just
systemctl --user
gives the same error.
...
- 308
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26
views
NTP server for test
I'm trying to configure an ntp server to test my client.
The ntp server hasn't to be synced on real ntp, I would like to manage myself the clock.
here is the current config:
# /etc/ntp.conf, ...
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0
answers
16
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Round Robin Query Reply
Hi Dear i set multipe ips on ubuntu 18 in netplan i want send any network dns qury on ubuntu by round robin protocol multiple ip
first query by ip 1
second query by ip 2
third query by ip 3
How do ...
1
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1
answer
31
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Ubuntu not recognizing full RAID disk on Dell Poweredge R720
On installation the system only gives me the ability to install on a 3.5tb section of my hard drives. However the system is configured with 3625gb of storage.
When typing sudo fdisk -l it responds as ...
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55
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150GB root partition is full
i run ubuntu server 22.04 LTS on a SSD 150GB. This SSD is suddenly filled up to 100%. I deleted some logs and files I was sure not to need anylonger.
But this gives me only 8% more space.
I read a lot ...
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38
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Is SysRq still a thing?
Reading this: https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html
I've been trying to use this on an ubuntu server VM to see what I can do, but I can't find the key combo. Could it be that ...
- 225
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1
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48
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error in spache2 000-default.conf file
I am trying to use apache2 for evil twin access point attack. When I started apache2 service, I got an error:
This is my config file:
This is my issue, saying that 000-default.config file has a ...
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0
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21
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Samba share on Ubuntu server suddenly stopped showing content/files on Windows
I have 20 computers in my office network and all the computers run Windows 10 except one which is running Ubuntu. I have setup a samba share on that machine so that others can access the share drive ...
- 2,412
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24
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How can I get php 8.1 and integrate a web server for nano node?
My aim is to run nano node monitor cli, and I am really confused.
Node fetches the ledger files (2nd day now) and seems to work with Docker, but no monitoring is possible unless I get some help to ...
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27
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Deluge-web is running, nmap shows port 8112 is open, but cannot access webui
So I have not used deluge in a few years but wanted to set it back up recently. I (mostly) followed the steps in the [guide here][1], but I made the 'deluge' user part of my existing 'media' group ...
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0
answers
22
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Issue Installing Ubuntu 20.04 on Dell Optiplex 7080 - Disks Not Detected
I encountered a problem while attempting to install Ubuntu 20.04 on a Dell Optiplex 7080.
During the installation process, I received an installer error:
installer error
After rebooting the PC, I ...
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0
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69
views
Mysql doesn't start after moving var/lib/mysql
I'm running mysql 8 under Xubuntu 20.04. I needed more space for my database so I moved it using rsync. I then updated /etc/mysql/mysql.conf.d/mysqld.cnf to my new datadir. I then ran sudo systemctl ...
- 1
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0
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41
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Uable to connect Ubuntu server by remoting
Hello I'm newbie of Ubuntu system. I have some problem that I've figured out for a while but I could not solve it yet. I could not remote to Ubuntu 22.04 server from my laptop (Putty said connection ...
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0
answers
34
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Old IP displayed in route table after Ubuntu image clone on new server
I have cloned an existing Ubuntu image off of our AWS server, upgraded to 20.04, and am trying to configure the connection to the outside world. I've been running into a lot issues on the frontend ...
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