A server is a computer program running to serve the requests of other programs or a physical computer dedicated to running one or more such services. See http://meta.unix.stackexchange.com/questions/3066/burninate-server before using this tag.

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20
votes
4answers
567 views

Linux solution for schools?

The school I'm working for as an administrator requested a system upgrade. Currently we are using a government-suggested Linux distribution called SuliXerver - it would be great, but most of the admin ...
16
votes
1answer
815 views

How to automate Linux server configuration?

Is there any way to automate Linux server configuration? I'm working on setting up a couple of new build servers, as well as an FTP server, and would like to automate as much of the process as ...
12
votes
8answers
10k views

Simple command line http server

I have a script which generates a daily report which I want to serve to the so called general public. The problem is I don't want to add to my headaches maintance of a http server (e.x. apache) with ...
9
votes
2answers
1k views

How to build a personnal cluster?

I have a debian server running some services (mail, web, git, mysql...). But it is alone, meaning that if it breaks, I have to repair it to access my services. I'd like to put a second server so that ...
8
votes
4answers
825 views

A small challenge to familiarize myself with Linux [closed]

I would like to learn more about Linux. I briefly went through a few books and quite a few articles online, but the only way to learn something is to actually start using it. I would like to jump in ...
7
votes
4answers
205 views

Where can I “hide” easter eggs for students learning about Linux security? [closed]

I feel like this isn't the best place to ask this (since there's no single right answer), but I can't think of a better place. If you have a better recommendation, could you please recommend it and I ...
7
votes
2answers
21k views

How to display open file descriptors but not using lsof command

Hi I have read Here that lsof is not an accurate way of getting the number of File Descriptors that are currently open. He recommended to use this command instead cat /proc/sys/fs/file-nr While ...
7
votes
3answers
522 views

Is it possible to execute scripts in BIND based on lookup

Is it possible, to set up BIND as DNS server on my local network, and make execute scripts when it gets a lookup? I would like to execute a Python or Bash script, based on the incoming DNS lookup, ...
6
votes
3answers
11k views

Bash script to detect when my server is down or offline

Background : I need to receive an alert when my server is down. When the server is down, maybe the Sysload collector will not be able to send any alert. To receive an alert when the server is down, I ...
6
votes
3answers
15k views

FreeNAS versus a regular (CentOS/Ubuntu) linux server?

I'm looking to build a medium sized (6TB, mini ITX board) server for personal use. Most importantly, it will serve as a seedbox and will store a whole lot of data. I will be accessing the data over my ...
5
votes
3answers
11k views

Why isn't there a server edition for Fedora like Ubuntu? [duplicate]

I was looking for a server edition of Fedora to download, and just found that they don't have one. It's very strange to me. If Ubuntu has both desktop and server editions, why doesn't Fedora follow ...
5
votes
2answers
284 views

Writing a “telnet server” type program that uses SSH instead of telnet

So people have written server programs using telnet in which the user simply does telnet server.com and this connects them to the server program, which then provides them with a textual program they ...
5
votes
4answers
9k views

How to set up an SSTP Server

Is there a way to set up a linux based, preferably ubuntu, SSTP server? I know there is a SSTP client available on sourceforge, but I can't find a server. To be clear: I do NOT want openVPN, I want ...
5
votes
4answers
9k views

sshfs always asking for password in fstab?

I'm trying to enter an sshfs mount in /etc/fstab with the following line: sshfs#oli@192.168.0.2:/media/usb0 /media/ExtHD fuse defaults,nonempty,allow_other 0 0 So that this volume is mounted at ...
5
votes
2answers
127 views

Killing X-related processes when CrashPlan is running

I am currently running Ubuntu Server 12.04, but this applies to all flavours of Linux really. This server does a bunch of things and is controlled remotely via ssh. Some time ago I have installed ...
5
votes
1answer
6k views

isc-dhcp-server fails to start at boot

I have been running the isc-dhcp-server fine for quite a while. A few days back after an update, it fails to start. I found a few more people reporting similar problems but that was from 2009. I was ...
5
votes
1answer
2k views

Suggestions for IRC Server

I am planning to setup an IRC server for our internal communication needs. Which of the IRC servers do you guys suggest? Things I am looking for: Should not be very complex to setup Should allow ...
5
votes
2answers
549 views

How do I start my service at boot-time?

I'm trying to run a CherryPy app on my NetBSD 5.1 box. To have it start automatically, I've added this line to my /etc/rc.local: /bin/httpd & When I boot the machine, some of the output of the ...
5
votes
2answers
276 views

Create a computer lab using Linux [closed]

I would like to know, how I can create my own Linux lab, like the universities Linux labs. I mean OK, I can install for example Fedora to all my 4 PCs, but how I can login from different computers, ...
5
votes
1answer
1k views

degraded software raid boot

I've installed Ubuntu 12.04.1 in a new server and set up the 4 hard drives with 3 RAID 1 devices, the configuration is such that the first two drives have md0 (swap space) and md1 (/) with the third ...
5
votes
3answers
4k views

How do I switch from Ubuntu desktop to Ubuntu server?

I'm currently setting up a home server using a very, very old PC. It has Ubuntu 11.10 installed on it, but it can't actually handle the GUI. I want to install the server edition of Ubuntu, which is ...
5
votes
0answers
290 views

CRON Permission Denied [closed]

I have a Debian 7. 3 Server with WebMin installed. I configured a cron job to run every minute as root user, so I run the command crontab -l when I'm logged in as root it shows: * * * * * ...
5
votes
2answers
411 views

Unable to login via ssh after several months [closed]

I have a Dell Poweredge running Ubuntu 13.04 in my office to serve up an interal web-app address system. It has been at least a 2 months possibly 3 since my last login. Everything is running great, ...
4
votes
3answers
4k views

Execute remote script with local parameter value

How can I automatize this task? 1) You are at A. 2) You ssh into B. 3) You run a script at B, that needs a parameter known at A. First, I thought perhaps I could send the value when I opened the ...
4
votes
2answers
138 views

Best way to handle lots of mail on server?

Due to some bad cron jobs I now have ~1600 mail messages, most of them containing the same error log. I would like to quickly group them by subject and delete them, while limiting the chances of ...
4
votes
2answers
362 views

tail -f, but with line numbers

I'm trying to see how many times foo bar appears in /var/log/foo.log within an arbitrary amount of time on a remote server, but nothing that I've tried so far has worked. I've already got a timer ...
4
votes
4answers
428 views

Setting up a development environment in Ubuntu

I'm a long time Window user. Recently, I learned JavaScript/PHP/mySql and considered that Ubuntu Server will be the choice. I'll still work on Windows XP/7, though. Here's my idea Development ...
4
votes
1answer
796 views

How to forward a window (display) to another computer on the network

I'm setting up a media server for my movies. The server is networked and so are a couple laptops/desktops. The server is running the latest Ubuntu (desktop edition, not server). This is the scenario ...
4
votes
2answers
8k views

“Permission denied, try again” while transferring files with scp

I have two servers (A and B) and my local machine. I'm trying to transfer a file from server A to server B. From server A: scp ./backup.tar user@server.b:/home/public/ Permission denied, please try ...
4
votes
1answer
2k views

How to properly prepare a server for power outages?

I have a personal Debian server set up, that I'm able to access in person and remotely, but normally I'm away from it and it's remote. It's on a battery-backup surge protector, but sometimes that ...
4
votes
3answers
1k views

Permissions issues for shared directory on a server

The setup is we have a VPS running Debian Squeeze, and I've set up a shared directory for us to share files. So far I've followed this guide: ...
4
votes
1answer
1k views

Unable to mount a second hard drive in Ubuntu Server

I am adding a second drive to my Ubuntu Server. It was previously in a FreeNas system, but I got rid of the XFS partition and created an ext4 partition (in an older Ubuntu system). I then backed up ...
4
votes
3answers
936 views

Is it possible to have an outgoing SMTP server when port 25 is blocked?

I have a Debian machine (actually a Raspberry Pi) that I would like to use as a rudimentary, outgoing-only mail server over a residential connection, just for kicks. Port 25 is blocked. I would like ...
4
votes
2answers
1k views

Port fowarding and load balancer in ubuntu server 12.04

I am looking to create a load balancing server. Essentially here is what I want to do: I have a public IP address, lets say 1.1.1.1 I have a second public IP address, lets say 2.2.2.2. I have a ...
4
votes
2answers
465 views

configure postfix to accept mail from two WANs

I have a mac server but my question has long left the realm of the GUI. My last hope is a unix forum. I have a cisco router with two WAN ports. The mac uses postfix 2.8.3. I have correctly ...
3
votes
4answers
3k views

List of servers to check for SSH availability

I have a list of IP address that I need to SSH to and log if I could get to them. I would use a Ping script, but DNS might have already reassigned the address. I do not care about the ones I can't get ...
3
votes
2answers
903 views

Does the mail command require a mail server?

Does one need to set up a mail server before being able to use the linux mail command?
3
votes
2answers
662 views

What's the closest thing to a server version of Fedora?

Fedora seems to bill itself as a client-only OS, in contrast to Ubuntu or SuSE which have both client and servers versions. What is the closest Linux distribution to Fedora that's usable as a server ...
3
votes
2answers
9k views

dhcpd: any way to check dhcp pool status?

Once dhcpd (IPv4) is started, is there any way to check its internal pool status? e.g how many addresses are available? I checked man(8) dhcpd, there's no signals/files available for that info.
3
votes
2answers
2k views

Upgrading Debian Squeeze To Wheezy - Should conf' files be kept or replaced?

I am currently upgrading my all-new Linode server running Debian 6 (Squeeze) to 7 (Wheezy) this way: Updating current system: sudo apt-get update && sudo apt-get upgrade Replace all ...
3
votes
1answer
5k views

How can I set up a usb printer as a network printer using a linux server?

Basically right now I have a USB only printer, it's very nice. There are 5 people in my household and we all are constantly wanting to use the printer. Windows has a built in way to share the ...
3
votes
1answer
468 views

Bot requesting odd resource in apache logs

While studying for the RHSCA exam I set up my first home server and quickly found that bots had already started requesting commonly vulnerable files. It was alarming at first, then just purely amusing ...
3
votes
3answers
2k views

How do I deploy Firefox Bookmarks for all Users in Network?

I have a bash-script for installing Firefox which is downloaded and executed from every client workstation in the network. The script is on the server and all workstations are running Ubuntu. Now I ...
3
votes
2answers
295 views

I have Debian on my server. Should I use Centos or Ubuntu version of software I need to install?

This is my server: /usr/local/bin$ uname -a Linux nn15 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux The software I need is offered in these versions: centos-5.3.run centos-5.6.run ...
3
votes
1answer
6k views

Cannot reach outside network or IP after upgrading to Ubuntu 12.04

I am running Ubuntu 12.04 on my server but since the upgrade from 10.04 I can no longer reach any outside sources of the server. I can SSH into the box, but from inside here I can not reach anything. ...
3
votes
3answers
4k views

How to check the operating system of a server remotely?

Is there a tool that takes an IP address and outputs the operating system of that machine?
3
votes
2answers
918 views

PHP interface to manage linux user accounts

I have a linux web & samba server. I need to give administrators access to manage minor accounts & groups. Is there a secure php web interface that can do this? I don't want to give them shell ...
3
votes
3answers
629 views

How do I choose between Unix / Linux and Windows in a Server environment?

I need a server, and I'm used to windows at home and in the office, but it seems that Unix / Linux is an option, but I don't really know what it is. I don't know which one to get, how do I choose? ...
3
votes
1answer
55 views

Can servers be synchronised to share the same configurations? [duplicate]

I have three VPS' running on separate hosts. They've had CentOS 5 installed on them at various points and I assume all run with slight variations of Webmin, PHP, MySQL etc. I've started to notice ...
3
votes
1answer
335 views

How to properly setup user/groups/permissions for a web server?

I spent all day figuring this out, but without success, so hopefully I can get some help here: I have Ubuntu 13.10 VPS server with nginx, PHP 5 and MariaDB installed. I created custom system user ...