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

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11
votes
5answers
22k views

Is there a tool for web based system administration?

What web based system admin tools are there for Ubuntu? Basically I want to setup a headless server at home and want to make it easy for my family to change some settings. I'm familiar with Webmin but ...
15
votes
3answers
25k views

How can I install Ubuntu on a headless machine?

I have a headless storage server with preconfigured Windows Home Server. How can I install Ubuntu without a display? Do I have to build a custom install flash drive? If so, what would be the basic ...
12
votes
2answers
24k views

How do I set PATH variables for all users on a server?

I just finished installing LaTeX for my company's Ubuntu server that we all SSH into to use. At the end of the install it says this: Add /usr/local/texlive/2010/texmf/doc/man to MANPATH, if not ...
10
votes
3answers
7k views

How do I configure Ubuntu one on a server?

I wish to setup Ubuntu One on my 11.10 server but seems to be running into an error every time I attempt to run commands from http://manpages.ubuntu.com/manpages/lucid/man1/u1sdtool.1.html For ...
14
votes
5answers
53k views

How to downgrade from PHP 5.4 to 5.3

Recently I upgraded PHP to 5.4, but it seems to be failing on me because APC isn't working with it, however this gave me no choice but to downgrade to 5.3, how can I do this? I executed apt-get ...
3
votes
2answers
25k views

Does running a Minecraft server run with less lag on Ubuntu server than on Windows 7?

I run windows 7. I run a Minecraft server, but I can only host around 9 players before lag appears. I heard that Ubuntu can run a server with much better performance than Windows 7. I kind of like ...
13
votes
3answers
4k views

Why is 12.04 removing the -server kernel flavour?

Ubuntu is removing -server flavour, as specified on release notes of 12.04: ...
12
votes
1answer
76k views

How do I configure my DNS settings in Ubuntu server?

According to this page it appears to be simple. However, /etc/bind does not exist on the default installation of Ubuntu 12.04.3 LTS server. So, without installing any further software, how can ...
10
votes
3answers
1k views

How do software updates work?

I would like to know how software updates work for my Ubuntu Server 10.10. I have been recommended to use apt-get install for installing new software and apt-get update for updating software for a ...
6
votes
2answers
4k views

How to install one GUI program on Ubuntu Server?

I am using Ubuntu Server 10.10 in a VirtualBox. I need to install a single GUI program (RubyMine) on it. I checked out installing ubuntu-desktop with apt-get, and it wants me to install 430 new ...
5
votes
1answer
5k views

Minimal server installation

I am currently running Ubuntu Server 10.10 through a virtual machine to use as a stack for web development and a chance to get to grips with the Ubuntu command line, however I'd really like to set up ...
3
votes
2answers
289 views

Local server updates for the network

I have setup one computer on our network as the file server. Because Internet here in Tanzania is both slow and expensive I would like that one system to download all the updates and then the other 10 ...
2
votes
3answers
3k views

How can I configure my server so that my domain points to it?

I have bought a domain name (without hosting), and at home I have a static ip address on Ubuntu server 11.04. How can I redirect users to my web server at home? What configuration needs to be done?
6
votes
1answer
3k views

Clean Install Of Ubuntu Server over the network?

I have an install of Ubuntu server, I was recently fooling around with it, and as all learning processes do, I messed a few things up. I would this box to be secure and reliable in the future, So I ...
-1
votes
2answers
2k views

Additional file system and mount at boot time?

I am new to ubuntu, and I would need you guys help. I installed Ubuntu Server 10.04 64-bit, and I would like to know: What are the commands to add an additional file system and make sure it mount at ...
20
votes
7answers
1k views

How should a server be secured?

Talking towards Ubuntu 10.04, server edition, what tools/practices would you recommend to secure the server?
56
votes
8answers
222k views

How do you restart Apache?

I switched from SLES to Ubuntu and now I want to restart my local server. In SLES I used : rcapache2 restart but this somehow seems not to work in Ubuntu. :( How do i restart my Apache?
45
votes
5answers
56k views

How do I add locale to ubuntu server?

I currently have those locales: locale -a C en_AG en_AG.utf8 en_AU.utf8 en_BW.utf8 en_CA.utf8 en_DK.utf8 en_GB.utf8 en_HK.utf8 en_IE.utf8 en_IN en_IN.utf8 en_NG en_NG.utf8 en_NZ.utf8 en_PH.utf8 ...
16
votes
3answers
8k views

Turn off monitor using command line

I am runnning Ubuntu Server on my laptop. There is really no reason for the screen to be on. I have been trying to use this command to turn the screen off: sleep 1 && xset dpms force off ...
28
votes
7answers
62k views

How to find out how much disk space is remaining?

What is the command to find out how much disk space is being used/remaining?
22
votes
2answers
15k views

Ubuntu Server 13.10 now goes to sleep when closing laptop lid

I recently upgraded to the latest version (13.10). I have it running on an old laptop. Since the upgrade, whenever I close the laptop lid, it goes to sleep mode. Any idea on how to fix? I've ...
19
votes
3answers
12k views

How can I see what ports are open on my machine?

I would like to see what ports are open on my machine, e.g. what ports my machine is listening on. E.g. port 80 if I have installed a web server, and so on. Is there any command for this?
14
votes
5answers
90k views

How to set up Ubuntu Server as a NAS?

I am looking to set up Ubuntu Server as a headless NAS for my home. I would like to have file storage there, as well as a central hub for my MP3s and pictures. What are the best packages out there to ...
10
votes
3answers
31k views

KVM Bridged Network Not Working

I just installed KVM on my Ubuntu Server according to this guide : https://help.ubuntu.com/community/KVM/Installation Then prepared a bridged network as shown in here : ...
15
votes
2answers
46k views

Connecting to ubuntu server via ssh externally

I have recently installed ubuntu server (12.0.4) and intend to use it primarily as a file server. I am completely new to linux so this is a pretty big learning curve. Yesterday I was able to ...
11
votes
3answers
12k views

Minimal system or minimal virtual machine on install?

I've been thinking a lot about this lately and haven't been able to find any good documentation online that explains this: When installing Ubuntu Server, I can choose between Minimal system and ...
12
votes
6answers
11k views

How can I audit users and access attempts to SSH on my server?

I've had a few security problems with a server of mine, a few SSH users have been setting up fires aka giving problems. I would like to: Track user logins and logouts Track activity of these SSH, ...
6
votes
3answers
7k views

Run (system) script on SSH login and/or logout

I'd like my OpenSSH server to start a script whenever a user logs in using SSH, ideally passing the host name or IP, as well as the user name. Additionally I'd like it to run a script, whenever a ...
6
votes
2answers
5k views

How to log on to a Ubuntu server; from windows with a plain gui

I was hoping to setup and maybe browse the internet from a Ubuntu server i setup at home. Seeing that I have installed, Ubuntu server, I was hoping if there is software I can install to get a browser ...
14
votes
9answers
30k views

Server keeps asking for password after I've copied my SSH Public Key to authorized_keys

I have an Ubuntu Server, running in a Cloud. I created a user (git). In the folder /home/git, I have created the .ssh/ dir, and the authorized_keys file. But, when I put my SSH Public Key in the ...
10
votes
6answers
35k views

Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
6
votes
1answer
2k views

UPS Compatibility with Ubuntu Server

I'm looking into getting battery backup unit to protect my Ubuntu server. How can I find out if it is compatible with Ubuntu (11.04)? Ideally I'd like to be able to tell the server when there is a ...
5
votes
3answers
47k views

How to play MP3 files using Rhythmbox? [duplicate]

Yesterday I just installed the Ubuntu 12.04 for the first time, the problem is that I can't play and of the MP3 files that I have. I get this error: Required plugin could not be found Python ...
3
votes
2answers
7k views

'Unable to set password for the MySQL “root” user' on a Openvz VPS

I'm trying to install mysql server on my Openvz based VPS running Ubuntu 13.04 64bit and i keep getting this error at the install. I tried multiple times and i also re installed the os with no change ...
1
vote
3answers
3k views

SB X-Fi Surround 5.1 USB on Lubuntu

I'm having trouble after installing Lubuntu-desktop on top of a Ubuntu Server (64 bit). The problem is that I cannot get my X-Fi external USB soundcard to work without horrible hacks, and even then ...
6
votes
3answers
4k views

Is there a secure web-shell for my server?

Following the security principle of trust no one, I can't use a service like http://www.serfish.com/. Is there a free software program that I can install on my Ubuntu server to give me secure shell ...
5
votes
2answers
4k views

mdadm: breaks boot due to “is not ready yet or not present” error

This is so damn frustrating :-| I've spent like 20 hours on this nice error, and seems like dozens of people over Internet too, and no clear solution yet. I have non-system RAID-5 of 5 disks, and ...
3
votes
1answer
3k views

Installation of a package to a custom directory

Is there any option to install a package to my home directory (or /foo) instead of system wide ? I am looking for options using apt-get or dpkg. Something similar to --prefix in a source compile. ...
0
votes
1answer
72 views

CGI-Bin does not seem to be set up

I've used tasksel and installed LAMP server. But I can't seem to figure if Cgi-bin is set up. There is no Cgi-bin in the web root folder. And when I try and call a test.py file from the browser, it ...
0
votes
2answers
948 views

Apache Not Accepting a Path in My Home Folder

I have trying to set up an Apache site to use a folder in my home folder without any success. I exactly followed the steps in this page: https://help.ubuntu.com/community/ApacheMySQLPHP yet I did not ...
9
votes
0answers
8k views

Am I affected? Heartbleed bug [duplicate]

I've just learned about the Heartbleed Bug (OpenSSL leaking private keys), and based on the website, heartbleed.com, it says that OpenSSL 1.0.1 through version f is affected. However it leaves off ...
7
votes
3answers
3k views

Why is X11 a security risk in servers?

I remember reading that servers do not have a GUI because X11 is a security risk. Why?
2
votes
1answer
5k views

How to install Minecraft (Server)

I want to install the Minecraft server in my Ubuntu PC. It can be either the Ubuntu Desktop or Server. How should I proceed to installing the server?
1
vote
1answer
5k views

Setup with BIOS but GPT partition table (due to 3 TB disk)?

How can I use a disk with GPT partition table on a system with a BIOS but no (U)EFI? I have a system with a 3 TB drive (no other drives and since this is a remote machine I have no choices here) and ...
1
vote
1answer
1k views

Reboot only shuts down and doesn't actually boot again

I'm running a fresh install of Ubuntu 12.04 Server on an abmx rack mount server. When I attempt to reboot with sudo shutdown -r now, the machine just shuts down and doesn't come back up without me ...
33
votes
3answers
28k views

Are there any open source alternative to Landscape?

Better yet, are there any Spacewalk-like software that works for both RedHat-based and Debian-based systems?
27
votes
8answers
9k views

How to set up a headless server?

I have a ubuntu development server at work. It is an old rack server that is located somewhere in the company's dungeon, where nobody ever goes. The only way it can work is as a so-called headless ...
12
votes
4answers
27k views

How to make a home server using Ubuntu desktop?

I was thinking to make my Ubuntu desktop machine in file server for using it at home . I am having one old laptop . Could I use it as a file server so my other 4 system can download data or view data ...
21
votes
2answers
15k views

How can I check if automatic updates are enabled?

I want to be sure if automatic updates are enabled on Ubuntu 12.04 server. How exactly can I check this? And how can I disable automatic updates if it's enabled?
9
votes
3answers
19k views

How can I make a specific set of iptables rules permanent?

Is there a "best practice" or standard to make a few iptables rules permanent? I mean: automatically applied upon a system reboot? I am using a VPS with Ubuntu Server 10.04 LTS (Lucid Lynx). Thank ...