Questions tagged [server]
Questions related to Ubuntu Server, and server-related packages.
12,745
questions
1
vote
1answer
28 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 ...
0
votes
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
votes
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 ...
-2
votes
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."" ;
?>
0
votes
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 ...
0
votes
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
votes
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
votes
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
votes
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 ...
-4
votes
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
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
votes
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 ...
-1
votes
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
votes
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
votes
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 ...
0
votes
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 ...
0
votes
0answers
40 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
vote
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
votes
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 ...
0
votes
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 ...
0
votes
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 ...
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:
$ ...
0
votes
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 ...
2
votes
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?...
0
votes
0answers
23 views
After Apache Re-installation, Browsers Giving ?reload in URL
Ever since I reinstalled Apache recently, my browsers (both Firefox and Opera) show ?reload after the URL in any of my local development sites when the page has been reloaded, as I must do when ...
2
votes
1answer
64 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/...
1
vote
2answers
30 views
Where is mysql's configuration file in ubuntu server 18.04
I recently installed MySql Server 8.0.19 on and EC2 (t2.micro) instance running Ubuntu 18.04.
I'm trying to find the MySql configuration file that's like the my.ini on Windows.
I've looked through ...
0
votes
2answers
26 views
DynDns is not reachable from own network, but works with proxy
I have setup an ubuntu server with a web server i want to port-forward.
I tried accessing the IP over proxy and it worked. I have set a dyndns and over a web proxy this worked too. But when i type it ...
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
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
0answers
26 views
RAID 1 - mdadm or btrfs?
I want to create a RAID 1 array of two (inexpensive) HDDs, in order to keep some rarely accessed data. I have thought about two main ways to create it:
using mdadm
using btrfs
I've read about ...
0
votes
0answers
16 views
How to forward all local SMTP requests on port 25 to a remote SMTP server on port 587
I'm trying to solve a problem with a bulky program that is, for some reason, only sending email over port 25, even when port 587 is specified.
In this answer, someone suggests using the windows ...
0
votes
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
vote
0answers
28 views
Why is port 22 showing connection refused when logging in using Ethernet?
I have been facing a problem login into our server every time I switch from Wi-Fi connection to an Ethernet connection on my laptop. Using my laptop, I can easily connect via Wi-Fi but the problem ...
0
votes
0answers
31 views
Where can packages such as the CVE'd apache2-bin=2.4.18-2ubuntu3.10 for Ubuntu 16.04 be installed from
I'm writing a script which uses the output of apt list --installed to install the same package version on a fresh VM install of (un-upgraded) 16.04.
The purpose is to test upgrade procedures, by ...
0
votes
0answers
28 views
How to Host ASP.NET Core on Linux with Nginx?
I want to host my ASP.NET Core app on my Linux Machine so that others IPs from my land can access my websites using Nginx.
0
votes
0answers
27 views
Tomcat 6 on Ubuntu 18.04
I upgraded Ubuntu Server 16.04 LTS to Ubuntu Server 18.04 LTS. However, Tomcat 6 isn't working. There are specific things that I have to implement using Tomcat 6. Are there workarounds to get Tomcat 6 ...
0
votes
0answers
16 views
SSH script to make a file in a folder inaccessible if it is opened previously and make it readable when closed
I have files in a folder and I am accessing those files via sshfs through remote locations. I just want to know if there is a way to make the files accessible by only a single user i.e if some one ...
0
votes
1answer
24 views
How to scroll in Ubuntu Server 18.04.3?
I have recently installed 6 Ubuntu Server 18.04.3 VMs to test a private blockchain network. I use Hyperledger Besu as my ethereum client to do the same. However, there have been some issues lately ...
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
votes
0answers
17 views
Ubuntu 16.04 Server causes entire LAN to flap intermittently when connected
Machine: Dell Precision T5600 Server
OS: Ubuntu 16.04 Server
Programs running: Eve-ng, Apache web server on port 591 instead of 80
I've ruled out the following:
-- No conflicting IP's on the (3 ...
1
vote
0answers
29 views
Ubuntu S-nail with Gmail- SMTP Unathorized SignIn
I am trying to use s-nail with gmail smtp server to send mail from my aws vps. With outgoing firewall being opened to 587, I believe the error I am getting is due to my gmail account not recognizing ...
0
votes
0answers
15 views
Error while connecting through IP Address and apache server port from an application on mobile [closed]
Installed XAMPP ,put application files into it.This application fetches details from database(using postgresql database) and displaying successfully through browser(with both static ip and localhost),...
0
votes
0answers
33 views
Ubuntu 18.04 DESKTOP Unattended PXE installation, is it possible?
I've been doing PXE boot installations for years on most Linux flavors,
Mostly server versions.
But I can't seems to be able to PXE boot with fully unattended installation of Ubuntu 18.04 Desktop ...
0
votes
1answer
56 views
apache2 not starting in ubuntu
I tried to do systemctl start apache2, then it shows no error. But when I check its status, it’s still inactive. How to resolve this?
The output of the status follows:
apache2.service - LSB: ...
0
votes
0answers
17 views
E: The package system needs to be reinstalled, but I can't find an archive for it [closed]
i am getting error while install some python module. using ubuntu 18.04. any help, would be much appreciated.
E: The package system needs to be reinstalled, but I can't find an
archive for it.
1
vote
0answers
31 views
Samba issues - seems to be working, nothing can connect
Ubuntu 18.04LTS
Samba version 4.7.6-ubuntu
Issue: Win 10 and Android devices can see the share, but when I connect I get an error, the most helpful of which is that in ESFile explorer on Android:
...
0
votes
2answers
26 views
How to use Ubuntu 19.10's integrated DLNA server without GUI?
I have a NAS running Ubuntu Server 18.04 with minidlna. Minidlna has been unmaintained for a long time and now it kind of sucks. I read that 19.10 has an integrated dlna server, but I couldn't find ...
