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

learn more… | top users | synonyms (2)

0
votes
0answers
20 views

Ubuntu Server Power Management - Advanced Settings via Terminal

How to configure power settings for Ubuntu Server 14.04? Desktop is not installed. My server is plugged to a UPS (battery) and the battery is connected to the server as well to monitor how much power ...
0
votes
0answers
20 views

Why don't any of usb slots work for anything

I can't use anything on any of this ports on this machine. I have an old PowerEdge 2800 with bios revision ao5 which is old but I find it very difficult to update on ubuntu. The i/o ports work for my ...
4
votes
1answer
170 views

Why does ubuntu only show 200MiB of Ram

Under systems settings >> details >> overview it only shows 236.8 MiB of ram installed. Everything else looks correct but with this information my system is running extremely slow. It has 6GB ram in ...
0
votes
0answers
40 views

Ubuntu does not shutdown or restart properly

My Ubuntu Server 14.04 does not restart or shutdown properly. Using Webmin to Shutdown/Restart or from terminal with shutdown -r 00. The last message is always: Starting Redis server... * Starting ...
0
votes
0answers
12 views

Block HTTPS site

Can anyone recommend an effective tool to block some https websites with ubuntu server? I want to use the server as a gateway for the users. A detailed guide would be highly appreciated. Thanks
0
votes
1answer
30 views

Web Server in Ubuntu Server vs in Ubuntu Desktop [on hold]

Information about host: I have Ubuntu Desktop 14.04 installed in Hard Disk. (I don't use Windows). I had installed Apache Server (I don't remember when). When I test on Browser with the 192.168.1.3 ...
0
votes
2answers
7k views

How to Stop DHCP Server

I have installed a DHCP Server. Now I need to stop the dhcp server, when I issue the command: sudo service isc-dhcp-server stop I get stop: Unknown instance. I confirm the DHCP service is running. ...
0
votes
0answers
9 views

Audio files do not work on localhost

I am learning HTML5 and running my examples on LAMP server. audio and video elements does not work when I go to localhost/somefile.html. When I open that same html file by double clicking, it works. ...
1
vote
1answer
8k views

Ubuntu server error: file '/grub/i386-pc/normal.mod' not found. grub rescue>

Hi i installed the latest Ubuntu server 14.04 and rebooted a few times perfectly and now when i last reboot it, i get the following error: error: file '/grub/i386-pc/normal.mod' not found. grub ...
0
votes
2answers
3k views

Installing GUI on Ubuntu server 15.04 without internet connection

I'm trying to figure out how I can install the GUI on my Ubuntu server without an actual internet connection to do the downloading of the software to the server. I have a portable hotspot for internet ...
0
votes
0answers
13 views

ubuntu vm unable to take ip via dhcp

I copied a ubuntu vm from an esxi server to a vmplayer. I want make the vm visible into the network so I enabled dhcp. My /etc/network/interfaces looks like this: auto eth0 iface eth0 inet dhcp ...
3
votes
1answer
481 views

deluge daemon on server 15.10? [closed]

Can someone help me get deluged running on 15.10? Every how-to I can find is for init.d not systemd. The deluged package installs no startup scripts for either init.d (which would work in ...
33
votes
2answers
69k views

How do I change mirrors in Ubuntu Server from regional to main?

I have a Lucid Server (10.04) set up and I would like to change the mirror from US (or any other country) to the Main Ubuntu Mirror. For example my two first entries in sources.list are: deb ...
0
votes
0answers
6 views

Virtualize ubuntu instance or share with virtualization host?

I am setting up a server on which I want to have an instance of a Windows Operating system and an instance of ubuntu server. My question is this, for my ubuntu server instance, should I leach off of ...
2
votes
2answers
145 views

Use solarized or similar in Ubuntu Server

It's possible to use Solarized color scheme (or similar) in a Ubuntu Server 14.04 CLI only?
3
votes
2answers
5k views

How do I set up SFTP file access logging for OpenSSH?

I have an SFTP setup using the built-in sftp-subsystem of OpenSSH with chrooted users. In the old days when I used to use FTP, I was able to see what files were accessed by users in the logs. How do ...
0
votes
2answers
36 views

GNOME Terminal: Connect via SSH from Ubuntu Desktop 14.04 into Ubuntu Server 14.04 Virtual Box Guest Host

Here are my current conditions: I have UBUNTU DESKTOP on HARD DISK. (I don't use windows) Desktop has ssh installed. Ifnet: 192.168.1.3 Username: kenneth I want Desktop to be the client. VirtualBox ...
-3
votes
1answer
12 views

Access to local nested server [on hold]

My ISP have external static IP - E1, the Gate IP is G1. Than they have local network with gate G2 and I became my number N2. It's the WAN number of my router. I have a local network with gate G3 and ...
0
votes
3answers
274 views

Change Ubuntu Server 14.04 Screen Resolution

Is anyone willing to assist me in changing the screen resolution of my Ubuntu Server. I'm running virtualbox (ubuntu server guest) on a Windows 10 host. I've checked every link I could possibly find ...
0
votes
0answers
37 views

client authentication via sssd/ldap

I'm struggling with an annoying server (14.04.03) setup. We basically want to enable users login via sssd/LDAP, so they can access the machine with ssh. I've followed various tutorials (e.g. ...
3
votes
2answers
60 views

Can i put everything back after accidentally doing “apt-get remove mysql-server”?

I have accidentally typed in webserver terminal following command: sudo apt-get remove apache2 php* mysql* -y Can i rescue my database tables, without a backup? I know that, for instance, apache ...
8
votes
4answers
54k views

How do I show active dhcp leases

Not experiened with Ubuntu. Set up a dhcp server about a year ago but don't remember the command to see the active leases.
0
votes
0answers
14 views

Apache server will not start after upgrade and install on 14.04

After many difficulties getting programs to work I did the apt-get update and reinstalled apache2. This made matters worse. Now it will not start at all. These are the errors I get: Failed to start ...
3
votes
1answer
34 views

Server, Remote Login, SSH?

Two Things. I'm trying to setup multiple server applications on Ubuntu With Terminal using SSH. I need to be able to use some form of login to the applications VNC, (having trouble with) SSH GREAT, ...
0
votes
0answers
23 views

Black screen after install

I just installed Ubuntu Server 14.04.3 32 bit os on a Dell Poweredge 700 tower. Install went smooth but now after it rebooted all I get is a black screen though it seems to have started fine. Tried on ...
0
votes
1answer
3k views

How to force IPv4 on Ubuntu Desktop 14.04

I've stripped the desktop from my installation as per my last question, but it is not assigning my server an IPv4 address, there is nothing wrong with my configuration, I just need it to give my ...
1
vote
1answer
40 views

Cannot ping to my router

This is my first time here and I am having trouble to ping to my router from Ubuntu 14.04. I have usb N300 WiFi USB Adapter. This is the result of route -n: Destination Gateway Genmask ...
0
votes
0answers
9 views

C-based server & Java client can't talk in Ubuntu 15 but work in Ubuntu 14

My friend is running a server he wrote in C that is listening on port 52525. He runs a Java client on the same machine that opens a connection to "localhost" and the same port and then tries to send ...
90
votes
18answers
134k views

How do I free up disk space?

My Ubuntu cloud server has left only 900MB of disk space. I'll just empty the directory /tmp and wondering if there is any other location to clean up.
2
votes
1answer
30 views

LTS pre-release or 2-year old LTS than upgrade? Which has less headaches historically? [closed]

Opinion requested for your Ubuntu LTS experts! So in the next couple of weeks I really, really need a new AWS instance that runs Ubuntu LTS. The current one of course in 14.04, but I'd rather have ...
1
vote
1answer
121 views

Can't login to Spark Cluster on EC2 after the nodes started

I'm trying to create a cluster of Spark machines. I follow the instruction here. However, after the machines have started I got this error Setting up security groups... Searching for existing cluster ...
1
vote
1answer
11 views

Cant connect to my VPS from Ubuntu Terminal

im try connect to my server using ubuntu terminal ssh -p 2222 -i mypublickey.ppk username@ip then its ask "Enter passphrase for key 'mypublickey.ppk':" Im entering my password but its always wrong ...
0
votes
0answers
26 views

Apache2 runs but is not working on Ubuntu VM!

I set up apache2 on an Ubuntu 14.04.03 VM. This is a VM hosted on a university server and I can only SSH to it (from my office/home computer). Apache seems to be running OK when I run this command: ...
0
votes
1answer
7 views

How to see if email daemon is running on another server?

I have a server with Ubuntu 14.04LTS. I am sending email from Ubuntu to email.test.com and then to my Windows PC account with Outlook, but I changed the domain for this post to test.com. The email ...
0
votes
0answers
26 views

Problems adding an interface to resolv.conf

I'm having problems with my network, and it it just with Ubuntu. If I do: ping www.google.com ping: unkown host www.google.com But: ping 64.233.198.147 Gives me ping. Info: Ubuntu 15.10 ...
-1
votes
0answers
23 views

How to pick the right Ubuntu version for ASrock Rack C2750D4I

could you tell me what is the best option for Ubuntu to install on AsRock Rack C2750D4I, as they say in the speck 12.04/12.10 x64 Bit, I've already run to the following conclusions: It must be 64 ...
2
votes
2answers
44 views

Mixing SSD and HDD in a ubuntu server?

Is it possible to mix SSD and HDD together in a file server? I want my configuration to be: ~ 4x60GB SSD ~ 4x2TB HDD I will install the ubuntu server into one of the SSD, can I set the partition ...
1
vote
1answer
26 views

How can I make my web server visible to everyone?

I've installed apache2, I can access the website it has locally. Port 80 is open, and forwarded to my webservers ip, I checked it here: But when I type mypublicip:80 on my web browser, it says ...
0
votes
1answer
49 views

External ssh not working (port already forwarded)

I'm setting up my first home server from an old pc. I've installed Ubuntu Server 15.10. I've been trying and doing some research but I couldn't make the SSH work from an external computer, it always ...
0
votes
0answers
34 views

Restrictions when updating LTS to Normal

I have a server running 14.04.3 LTS. I followed these instructions to update it to a normal release. However, this failed with a message indicating the there was no suitable release available, or ...
0
votes
0answers
33 views

UFW ACCEPT Problem

I'm having problem with UFW. If i block like whole /24 network becouse lots of bruteforcing etc. coming from China / Korea or somewhere. They still get to open ports. If i have, lets say port 443 ...
19
votes
8answers
54k views

simple method to install a mail server

I am looking for a simple way to install a mail server on my Ubuntu server. I would like to be able to receive and send emails though a webmail (e.g. roundcube). I have a domain name. The web server ...
-2
votes
0answers
9 views

I am using gdis software with Ubuntu

I have installed gdis 0.90 with UBUNTU, and I can make surfaces from the crystal structures available with me, but I couldnot save it. Can anyone help me in this matter.
4
votes
1answer
55 views

How to kill a process in state “T” (Terminated)

this is a very specific question, I am sorry if there is a duplicate somewhere but I haven't been able to find it here or otherwise. In a server I have a process in state T (Terminated). I know I ...
0
votes
0answers
16 views

How to access my codeigniter folder in ubuntu?

I have deployed my codeigniter folder into /var/www/html . But when i am trying to access it using http://localhost/CodeIgniter/ this is showing Server error 500 The website encountered an error ...
0
votes
0answers
29 views

Help with home server

The school I use to go to had a server with an account for every student. The school had hundreds of Windows XP computers running a Novell client to access the server. Each student had a user name and ...
1
vote
0answers
14 views

Creating a shared folder between unprivileged users

This may be a repeat question, but I wasn't able to answer this specific question anywhere else. My school uses Ubuntu to run their server. My friends and I have accounts on the server, but aren't ...
0
votes
0answers
13 views

Does unattended-upgrades support wildcards?

I am using ubuntu unattended-upgrades to automatically update a couple of my ubuntu home servers, but there is a few updates I don't want to be updated automatically. such as various ypes of mysql ...
0
votes
1answer
26 views

How can I install Ubuntu on a new device that I made myself?

For example, I have a device that I made myself with chipsets and a new design. You can think it is like a tablet, but it is not, because I am doing other things with this device. I need to install ...
0
votes
0answers
19 views

Disable Directory Browsing

I want to disable directory browsing of ip-adress/subversion/testrepo folder and all subdirectories testrepo test1 test2 ... I found only an option to disable this parent directory: ...