Questions tagged [server]
Questions related to Ubuntu Server, and server-related packages.
13,139
questions
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17 views
using Ubuntu Desktop OS as always on SSH server
I am trying to use a Ubuntu Desktop (on a laptop) as an SSH server that should always be on and accessible over the local WiFi network. However, I am facing a series of seemingly unending issues.
I ...
0
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0answers
11 views
scp Permission denied (publickey) when trying to copy local file to remote server
I am trying to copy a backup of my local postgresql database into our staging server, but it is being rejected.
Locally I'm in a virtual machine and I passed the backup file through the shared folder,...
0
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0answers
19 views
Apt got stuck in the unpacking stage
I use ubuntu server 18.04 and I issued the following command :
sudo apt install libboost-dev
and it suddenly got stuck in the
unpacking libboost1.65-dev:amd64
without any warning or any special ...
0
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0answers
11 views
Ubuntu /run/ directory disappears during boot - 12.04 [closed]
In ubuntu 16.04 and higher there is a file in /usr/lib/tmpfiles.d that handles directory creation during boot. But how does 12.04 handle it? I can't find /usr/lib/tmpfiles.d in 12.04.
I want be able ...
1
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1answer
16 views
Can a fresh installed Ubuntu 20.04 LTS Server run without snapd?
I know, that there ist this Question: Can a vanilla Ubuntu 16.04 LTS Server run without snapd?
But the situation is different on Ubuntu 20.04 LTS Server.
If I run snap list on fresh installed VM I ...
1
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0answers
11 views
„-bash: fork: retry: resource temporarily not available“ on any command
first of all, this is my first post, so pls excuse me for any mistakes. My Ubuntu server is making some trouble. I cant run any commands from time to time. I get the error messages „-bash: fork: retry:...
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0answers
20 views
ubuntu server 18.04 LTS connection refused when accessing internet
I am getting the error connection refused on ubuntu server 18.04 LTS when I try to access the internet, by this I mean : when I try to send e-mails, (using mailcow) when I try apt-get update etc.
This ...
0
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0answers
20 views
Ubuntu Memory is consumed
I have an Ubuntu 18.04 virtual server hosted on DigitalOcean, it is updated with all the latest updates and fixes, I started recently to notice that the memory on the server is being consumed rapidly, ...
0
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0answers
14 views
how to start recovery mode for Ubuntu Server 18.04.3 LTS when connecting through SSH?
I have a virtual machine running Ubuntu Server 18.04.3 LTS and I need to modify some settings using the recovery Mode. I have to connect through a VPN using SSH (Putty), so I'm not sure what the ...
0
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0answers
11 views
Ubuntu 18.04 server doesn't detect eth0 in VBox
I have an ubuntu server 18.04 installed in VirtualBox and I attached a NAT network adapter to it . After the installation process finished , I couldn't access the network at all and ifconfig only ...
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0answers
13 views
Slow pip installation issue possibly related to DNS configuration
I am a total newbie here, so pardon my limited knowledge on network configuration.
Context
I'm using Ubuntu 18.04 LTS and it is a bash shell I am using not a disk image. So, certain commands may ...
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0answers
22 views
Ubuntu server 20.04 install LAMP on server without internet
We have an air gapped server that we are installing 20.04 server but see no way of installing a LAMP stack without internet and have found nothing in the docs.
This installer is not the same as the ...
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0answers
26 views
Ubuntu Server 20.04 running TightVNCServer > Main Menu in MATE desktop keeps closing by itself when clicked on from VNCViewer client
I am running Ubuntu Server 20.04 on a Raspberry Pi 4. I installed TightVNCServer so I could access the MATE desktop from VNCViewer on a Windows 7 laptop. The Pi 4 is overclocked to 2Ghz and has 4GB ...
0
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0answers
18 views
IPtables not blocking certain ports
I've my iptables configuration to allow some communications, but I've noticed that I do not have a specific rule to allow traffic using port TCP 993 (used by my email client).
When I open my e-mail ...
0
votes
1answer
23 views
Ubuntu Server don't boot anymore
I have an ubuntu server, that runs since a few month, and today, it tells me that i could run a command to update ubuntu. I did
And since, my server refuse to boot anymore.
Here is the screen i have
...
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0answers
17 views
How one can prevent NIS from exporting users to client machines?
How one can prevent NIS from exporting root users and other system users on server to the client machine while setting up the NIS?
0
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0answers
20 views
redis-server.service failed with result 'resources' - more listed inside [closed]
When I try to atp-get upgrade and then apt-get autoremove I get a redis-server error. How can I fix this?
I tried to find a solution for this, but all of them are Ubuntu fixis.
My OS: Debian Linux ...
1
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0answers
52 views
Ubuntu 20.04 multipath configuration
I just installed a new Ubuntu 20.04 server as a virual machine on an esx-Server.
When I look into systemlog I see lots of multipath entries.
multipathd[651]: sda: add missing path
multipathd[651]: ...
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0answers
9 views
Cannot use command “maas-region” on ubuntu 20.04. ; getting “distribution” not found error when trying workaround
I have installed maas following the Ubuntu Openstack Cluster Installation Site, but when I get to
sudo maas-region apikey --username=admin
I get error
sudo: maas-region: command not found
...
0
votes
0answers
45 views
20.04: Can't run forge server
A problem occurred running the Server
launcher.java.lang.reflect.InvocationTarge ...
0
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0answers
9 views
Cirrus Scale old half height server RJ45 network device not available on Ubuntu 20.04 install
I just installed Ubuntu 20.04 ARM on an old Cirrusscale server, and the network device handle for the primary RJ45 connector does not come up, so I cannot simply plug into the LAN I am on. This is a ...
1
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0answers
11 views
Port Forwarding Ubuntu to Debian server
I have xxx Ubuntu 18.4 Desktop which is connected to the Internet and have a Debian Server which is not connected to the Internet directly but hosting a cacti server on the same network with different ...
0
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0answers
20 views
Missing ipmi Device (Remote Access Card) / ipmitool Failue: Could not open device at /dev/ipmi0 … No such file or directory
I recently bought second-hand a HP Proliant N36L Microserver, and I'm having trouble configuring it for remote access on Ubuntu Server 20.04 LTS.
It came with a HP Remote Access card, but when I try ...
0
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0answers
22 views
R-Pi3b+ diskless PXE boot results in initramfs prompt on diskless device after downloading TLXOS [closed]
I am trying to set up two Raspi 3B+ with a diskless boot option. Our setup is as follows:
A 3B+ setup with TLXOS as a PXE server, SD card installed - followed the instructions In the forum.
An ...
0
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0answers
37 views
Systemd service stopped suddenly
We have a flask python application that runs normally on terminal without error. We converted it to systemd service(ubuntu), but the problem is that the service runs normally then stopped suddenly ...
0
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0answers
15 views
OpenVpn Server on Lubuntu 20.04 - No answer
It's my first time installing OpenVpn Server on Ubuntu. I did it previously on Raspberry, but I found a script that did the job by itself. I only had to open the 1194 port on my router. Now I'd like ...
0
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0answers
12 views
Tkinter doesn't popup a window on Ubuntu server 18.04
I am new to here, I installed tkinter by running "sudo apt-get install python3-tk" on both Ubuntu desktop and server 18.04, and ran below code, desktop version works but server version doesn't popup a ...
1
vote
1answer
52 views
How to configure wpa_supplicant in Ubuntu server 20.04
For esoteric reasons I have a server which only has WiFi access to the network.
By copying the necessary dpkg files on a removable drive I've managed to install wpa_supplicant.
The thing that's ...
0
votes
0answers
20 views
Where is the root folder of a NextCloud server that is installed on a Ubuntu 20.04 server?
I'm setting up private chat & text on a NextCloud server on a Ubuntu 20.04 server
I used this video for setup:
https://www.youtube.com/watch?v=1zXnypuu27I
It's using the syntax for openSUSE so ...
0
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0answers
14 views
How to uninstall OpenVPN Access Server?
I need to remove OpenVPN Access Server completely from my system. I installed it with root access(sudo -i) using the following commands from the OpenVPN website:
apt update && apt -y install ...
0
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0answers
13 views
VSFTPD fails to start
I have setup VSFTPD on a server with UBUNTU 18.04 on a server with both ipv4 and ipv6 support and the service is running as expected.
I have then ported the same configuration to a server with only ...
0
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0answers
10 views
Proxy 407 Authentication required
I have Ubuntu 16.04 server on vmware esxi. I need Ubuntu to connect to internet trough proxy with domain account. I set http_proxy="http://domain\username:password@proxy-hostname:port" in /etc/...
0
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0answers
19 views
shared folder for scanner
I have worked with ubuntu 18.0 and sharing the folder for the scanner is done easily, without any problem and works perfectly in sync with the network scanner.
When updating to ubuntu 20.04, even ...
0
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0answers
68 views
Internal Server Error when running a shellscript to database
For an assignment I'm supposed to take data in from a shellscript and push that data into a database. I have MySQL setup and listening on Port 3000, but when I run the script it keeps repeating
...
2
votes
1answer
72 views
How should I make a bug report for the 20.04 server installer?
I've discovered a problem with the 20.04 server installer, where it crashes if the BIOS time is incorrect (in my case, because the machine doesn't have a real time clock battery installed, so it ...
0
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0answers
11 views
xclock not displaying on local computer
I have heard that I can use "X11 forwarding" (whatever that means) to display graphics generated on a remote server on my local machine. Therefore, I followed these instructions (installed Xming, ...
0
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0answers
15 views
How do I block ips from accessing my sever with UFW
I want to try to block my computer's IP (192.168.0.3) as a test from accessing anything on my server, and more importantly, my website, when I use ufw deny 192.168.0.3 it says Rule added, After ...
0
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0answers
33 views
OpenVPN: autonegotiation is unset or enabled, the speed and duplex are not writable
I'm trying to install OpenVpnServer on Lubuntu 20.04. I'm not so expert with Linux, so I make many errors. At last I had an "almost working" OpenVpnServer installation, this is (hope so) the last ...
0
votes
1answer
24 views
Samba server permission
I would like to know how can I enable this option to ask every time user name and password when user is tried to access share folder from Linux machine.
For instance I have setup a shared folder on ...
1
vote
0answers
15 views
apt install lamp-server - MySQL password
I have installed lamp-server via command
apt install lamp-server
and it works, as I see in the web browser.
But I am not able to log in to mysql as root user. If I try to run
mysql -u root -p
...
0
votes
0answers
56 views
can't install wordpress on ubuntu 20.04
so i am trying to install wordpress on ubuntu 20.04 after downloading the tar file and extracting it to the /var/www/html folder, whenever i am trying to access the localhost its not working. i am ...
0
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0answers
17 views
What happens when the server started by xinetd exits?
I'm just learning about xinetd and am wondering what happens when the server that xinetd has previously started exits or crashes. Is the connection torn down? Is there any chance it could be left up ...
0
votes
1answer
40 views
Ubuntu Server on-line manual incomplete
I've realized that man in Ubuntu Server (Bionic) is incomplete if compared with Ubuntu Desktop (Bionic) version.
I searched for some system calls like fork using the command man 2 fork and it return ...
0
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0answers
25 views
ssh connection problem: unusual behaviour
I'm perplex about this problem with my ssh connection to my ubuntu server (perplex = not an expert, of course):
try to connect my iMac this morning as usual (through LAN): not working. times out ...
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0answers
15 views
Debian cant get back to starting line after saving [closed]
After saving & pressing y the terminal goes off & can't get to the starting point so that i can execute a command. I feel like resetting to factory since I can't even do a backup. Someone help ...
0
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0answers
17 views
Framebuffer problem with Raspberry Pi Ubuntu 20.04 Server and Adafruit 5" display
I've been looking non stop for a day and half now but I'm new to Linux and feel completely stuck.
I'm using:
Raspberry Pi 4
Ubuntu 20.04 Server (for arm-64)
Adafruit 800x480p 60hz 24-bit HDMI ...
0
votes
2answers
17 views
Slave nics in a bond are getting an IP from DHCP, despite netplan config?
I'm on Ubuntu Server 19.10, using netplan, and I have 4 bonded nics in a balance-rr bond. It is configured in Netplan as a static IP. After applying netplan or rebooting I cannot ping the gateway. ...
0
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0answers
28 views
Ubuntu Studio Shared Folder Question
I've been using Ubuntu and Ubuntu derivatives for quite some time now.
Probably once a year or so, I prefer to do a clean install and "start everything over". I have a set of scripts/lists/...
0
votes
2answers
48 views
How do I debug DHCP?
UPDATE: The DHCP in the camera does not work as expected and requires a static IP. However tcpdump is your first line of defense, see checked answer below.
I have the following setup:
NVidia Xavier ...
1
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0answers
38 views
Bare metal backup
I'm renting out some bare metal machines and am finally starting to automate the process of provisioning.
The idea is to setup a few bare metal machines and manage them via MAAS. I would like to ...
