Questions tagged [server]

Questions related to Ubuntu Server, and server-related packages.

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votes
1answer
3k views

Ubuntu 12.04 and bind9 not responding to queries

I'm trying to set up an authoritative DNS server with bind9 (9.8.1-P1) on Ubuntu 12.04.2 LTS (upgraded from Ubuntu 11.04) and I am encountering some problems. External problem When trying to check ...
1
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1answer
67 views

Server randomly hangs, with the only way out a forced reboot

For whatever reason, having an X server installed causes my headless server to completely hang (no response to any pings, attempts to ssh in, input on exsiting ssh connections, anything. waiting 10+ ...
1
vote
1answer
30 views

Ubuntu 18.04.2 cannot log in local or SSH after power failure

I cannot remote into local with root, SSH is set for AD Authentication and it will not let me log in either. Ubuntu runs in ESXi 6.5 and had a Dell Technician unplug storage array! Anyway I tried ...
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2answers
1k views

What is freezing my remote terminal session to my Ubuntu 14.04 server when I enable socks tunneling in my browser?

I am new to Ubuntu and am using a remote server with Ubuntu 14.04 installed on it (headless). I use putty (on a Windows laptop) to connect to it - ssh with private and public keys. I have also set up ...
2
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0answers
39 views

How to find out what's executing apt.systemd.daily?

In Ubuntu cloud server images, apt update/upgrade is performed very aggressively, from different services, which causes the typical locking issue. How do I find out what is exactly invoking apt-daily?...
3
votes
1answer
126 views
+50

Ubuntu 18.04 DNS resolution fails after a while

When I ping google.com on my Ubuntu 18.04, it gives me ping: google.com: Temporary failure in name resolution I would then proceed to run sudo service systemd-resolved start My /etc/resolv.conf ...
0
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0answers
36 views

Adding Ubuntu 18.04 LTS server to active directory

I'm trying to add my Ubuntu Server 18.04 LTS to a Windows Server 2012 Essentials domain using realm, but I get the following error all the time, but I know the user and password are correct as I have ...
0
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0answers
15 views

Ubuntu server fingerprint changed and now I can't login to any account via ssh

Kind of new to this whole Ubuntu Server thing. My server got unplugged at some point. Upon bringing it back online, when I tried to login with my account on my laptop, it said the fingerprint changed....
0
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0answers
27 views

/usr/sbin/and using up the entire CPU coure

I am running Ubuntu Server 18.04 LTS Kernel 5.5.2-050502-generic and since a while now I've seen this /usr/sbin/and popping up in htop, always using entire full core of the server, not really sure ...
0
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1answer
30 views

Unable to authenticate to SAMBA printer

I am on Ubuntu 19.10 (but, the same problem also on Pop! OS 19.10 and Ubuntu 18.04). I am trying to add a SAMBA printer that exists somewhere on the organisations' network. The printer itself is ...
-2
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0answers
20 views

Start hadoop deamons via php [closed]

i have a Hadoop cluster and i want to start the cluster via PHP. when i run "start-dfs.sh" via terminal, it works fine. how to resolve this? i have tried this: ".$output."" ; ?>
9
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5answers
25k views

Samba Share user/password error after update

this is the first time that I couldn't find an answer so this is my first question. I will provide as much information as possible. I have an ASUS router that has 2 HDDs. There is only 1 username/...
0
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1answer
3k views

Ubuntu Server 12.10 not obtaining IP address until a user logs in

I just did a recent install of Ubuntu Server 12.10 (no GUI, command line only) on a new system. I noticed that upon booting the server does not obtain an IP address from my router. However, once I ...
0
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0answers
28 views

Malware lab without virtual machines (Lubuntu as server/gateway)

I would like to set up a malware lab without virtual machines. On one laptop I have Windows 10, on the other Lubuntu, which will be used as a gateway/server. On the latter, I want an ethernet ...
0
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0answers
34 views

Remove certificate from Ubuntu

I have followed below steps to install a trusted authority certificate: sudo cp mycert.cer /usr/share/ca-certificates/mycert.pem sudo dpkg-reconfigure ca-certificates sudo update-ca-certificates Now,...
0
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0answers
11 views

MaaS web UI wasn't available on Ubuntu Server 18.04

I tried installing MaaS with apt install maas on Ubuntu Server 18.04, but the Web UI could not be accessed, and there was no process listening on port 5240. However if I install it on Ubuntu 18.04 (...
0
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0answers
24 views

Apache2 Not Working And My browser php code

When I restart apache server this message appears: Job for apache2.service failed because the control process exited with error code. See "systemctl status apache2.service" and "journalctl -xe" for ...
1
vote
1answer
336 views

Transmission won't launch script after download on Ubuntu Server 18.04.2

I am on a completely fresh install. After installation I have only installed Transmission. (transmission-cli transmission-common transmission-daemon) Then I created a file under /var/lib/...
3
votes
4answers
4k views

Notepad++ NppFTP alternative in linux

I know there are questions about notepad++ here but mine is a bit different. I am developing a website and with the NppFTP plugin in Notepad++ I am able to directly connect to the server that contains ...
4
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3answers
4k views

CMUS Error: opening audio device: No such device

I can't seem to play any audio with CMUS because it always gives the error: CMUS Error: opening audio device: No such device This is the output of lspci -v | grep -A7 -i "audio": 00:1b.0 Audio ...
-4
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0answers
25 views

Any IPv6 SLAAC server software for Debian Stretch / Buster? [closed]

I'm configuring a private network where I run a small Debian VM as the gateway for the network. Hosts in the network are provisioned by automated programs so IPv4 static IP is easy to assign, but I ...
0
votes
1answer
3k views

Cannot Install/Start MySQL Server

Okay, I decided to migrate from MySQL Server 5.5.37 to Percona Server 5.6. I ended up removing MySQL Server by the following: sudo apt-get --purge remove mysql-server mysql-server-5.5 mysql-server-...
0
votes
1answer
19 views

Nginx doesn't serve CSS

this is my current Nginx config and my problem is the 404 page doesn't serve the CSS, it serves the CSS if i put the CSS files into /var/www/testdoamincom, but it doesn't server in any other case, is ...
0
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0answers
51 views

Apache slows down and suspicious entries in error.log

I run Apache2 on headless Ubuntu 18.04 server, an Intel based Chinese Beelink NUC clone type of device. I run a few web apps such as Emby, PiHole, Medusa and Syncthing and two Wordpress sites, very ...
0
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0answers
29 views

issue curl command from remote WAN

The goal is to send commands to a thermostat from a WAN offsite network. A thermostat sits behind a firewall at 192.168.1.5. Because it was designed to blindly accept commands: I am reluctant to ...
3
votes
3answers
21k views

How to test whether port forwarding is working?

I have done port forwarding on my computer but I don't know how to test it. Can anyone help me? I have not done it using iptables but I have done it by following the instructions given in this link.
1
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1answer
4k views

Can't get correct permissions for /var/www/html/

I've read several threads here talking about this issue and tried all the solutions provided, none of them are working. Whenever I try composer install I get a bunch of errors saying cannot install [...
0
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0answers
16 views

PM: hibernation entry

I have a small domestic server (with Ubuntu 18.04.4 LTS), it works well but once a month more or less, it goes off, it's not serious but I wanted to try to understand what the cause was. I have opened ...
-1
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0answers
25 views

School Ubuntu Server: pfsense or iptablet? Fileserver?

I'm a teacher on a Secondary School from Argentina. We have an old PC (Pentium Dual Core, 2 GB DDR2, 1 TB HDD) with Ubuntu Server 18.04 running with Samba Server, since all the computers in the ...
0
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0answers
23 views

The command could not be located because '/bin:/usr/bin' is not included in the PATH environment variable [closed]

I got this error message when running my Ubuntu Server. * Documentation: https://help.ubuntu.com/ New release '16.04.6 LTS' available. Run 'do-release-upgrade' to upgrade to it. *** System ...
0
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0answers
30 views

System policy prevents changes, contact system administrator- Ubuntu 19.10 .?

Recently we have implemented ubuntu 19.10. after putting it live when I tried to change the System setting to enable Automatic Time and Date to enable. Its showing a unlock button above and gives a ...
6
votes
3answers
7k views

Nginx logrotate logs

I am running Ubuntu 15.04 and have a standard installation of nginx (apt-get install nginx) running. Everything is running fine but I notice that the nginx logs are being rotated but nginx carries on ...
1
vote
1answer
4k views

Is there a way to debug wireless access point issues that was setup with hostapd?

I am trying to setup a wireless access point with a home PC. I replaced my old Intel wifi link 5100 with Atheros AR9462. I recently did a fresh Ubuntu Server 16.04 install. To setup wireless access ...
0
votes
1answer
28 views

Need Help on Ubuntu Server 18.04.1 Static Routing

I'm a newbie when it comes to Ubuntu Server. And I am currently having a difficult time configuring a Static Route. I have an Asterisk Server Hosted on my Ubuntu Server Machine, It has 2 NICs enter ...
0
votes
1answer
4k views

Wordpress: Unpacking the package… Could not create directory

On my website i am using apache: 2.2.22 and wordpress: 4.2.10, Since i enabled my website to have ftp access, every plugin update or installation gives me the error: Unpacking the package… Could ...
0
votes
0answers
41 views

Crontab doesn't seem to work

I run my minecraft server in a screen and I have a script set up to restart the server via crontab every night at 3 am. restart.sh: #!/bin/sh echo "Letting people know that the server is going to ...
1
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0answers
39 views

Connecting to a VPN on a remote linux server (VPS) fails

I've been trying to connect to a VPN through my Ubuntu VPS, but every time I try, the server shuts down. Perhaps the connection blocks the ssh, and all the traffic when I try to connect? I tried ...
0
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0answers
23 views

Installed ubuntu server, then attempted Ubuntu LTS but its failed and now stuck on HP boot menu

So I had an old PC with Windows 10 on it. I decided I wanted to install Linux on it, as I had a few weeks ago with an old laptop which runs fine. I installed Ubuntu Server fine but then decided I ...
2
votes
1answer
66 views

Puppeteer on Ubuntu 16.04 doesn't work

Is it possible to run Puppeteer on Ubuntu Server 16.04? I get this error. (node:23213) UnhandledPromiseRejectionWarning: Error: Failed to launch the browser process! /root/bin/node_modules/puppeteer/...
0
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0answers
56 views

raid 5 to raid 0

So I have no clue about linux. I bought a server with 2x250gb SSD and 1x 2Tb HDD. Are all my disk in a raid 5? does this even make sense to raid 5 two ssd and a hdd? is it possible to raid 0 both ...
0
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0answers
26 views

Ubuntu server 18.04: clamAV does not work due to missing /var/run/clamav/clamd.ctl

I have a problem with ubuntu server 18.04. I have clamAV installed that connects via unix socket domain /var/run/clamav/clamd.ctl. ClamAV works well for a while, then the file clamd.ctl disappears ...
0
votes
1answer
37 views

can't log in with my password during ssh connection

my /etc/ssh/ssh_config is as follows # This is the ssh client system-wide configuration file. See # ssh_config(5) for more information. This file provides defaults for # users, and the values can ...
1
vote
0answers
18 views

ZFS on iSCSI target

I have a linux installation with just one disk for the OS and all other storage from my NAS exposed as iSCSI target. This works very well but I would like to use a filesystem that supports snapshots, ...
1
vote
1answer
29 views

How can I remove an iptables rule?

I would like to temporarily add the following iptables rule to see if allowing inbound traffic on port 5000 I will be able to connect to my docker container and the web server running within it: $ ...
1
vote
1answer
1k views

Confirm Hyper-V Integration Services are Running

I am trying to confirm that Hyper-V Integration Services Daemons are running. I have tried to install all daemons so I'm looking to verify the following: VSS Snapshot daemon KVP daemon fcopy ...
0
votes
1answer
301 views

Openldap sync not working

I've installed two Ubuntu systems with OpenLdap server and made them replicate data as told in this guide. Replication worked and contextCSN had the same output + I still find original provider ...
6
votes
3answers
4k views

Why I get “tar: Cowardly refusing to create an empty archive”? when trying to backup the whole server

I am new at ubuntu and dealing with servers. I use Ubuntu 16.04 x64. I want to have a backup for my entire system, So I followed this video https://www.youtube.com/watch?v=KTayZIou-1M I type this ...
0
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0answers
24 views

I want to make preseeded image on windows

first, I have a pc with windows 10. second, I have no hdd space for virtual (only near 1gb) on windows pc. third, I have a empty machine that has no keyboard, no monitor. forth, I want to install ...
0
votes
2answers
326 views

Headless TeamViewer on Ubuntu 19.10

I have been attempting to connect to my home server running Ubuntu 19.10 over TeamViewer from my other devices (Linux computers, Android phones or Windows computers) in vain. I have tried fiddling ...
11
votes
6answers
34k views

Install mysql 5.6 on Ubuntu 18.04 LTS

I'm unable to install mySql 5.6 on my newly installed Ubuntu 18.04. I have tried solution from lots of links ( link1 link2 ... ) but no success at all. I have 5.7 installed, but due to client's ...

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