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.

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9
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2answers
969 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 ...
4
votes
2answers
13k 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 ...
1
vote
2answers
193 views

Can Linux PC serve as network router?

I was wondering if it is possible for Linux PC to substitute router in small networks. I'm not expert in networking so this question may be stupid, but I don't see why one should not use Linux ...
5
votes
4answers
8k 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 ...
0
votes
1answer
137 views

Altered fstab - no longer able to SSH or access http

I might have done something stupid on my person debian server - I altered the fstab file. I changed udev to dev to try to fix a mounting issue in /dev/sda1 but after I restarted the server, I cannot ...
1
vote
3answers
636 views

SUID permissions - Which is correct?

Trying to secure a Linux server and have little experience with SUID. After executing find / -perm +4000 many programs were discovered. I have seen conflicting advice here and hereon what should ...
1
vote
2answers
89 views

how to require sudo to view files?

I have a ssh server. I allow people to connect to it if they want. I do my programming homework on it. I am in trouble with my teacher because people were cheating off it. I need to know how to ...
1
vote
1answer
354 views

Error 'IO Error: Broken Pipe' when upgrading server from Debian Squeeze to Wheezy

As I am upgrading my virtual machine from Debian 6 (Squeeze) to 7 (Wheezy), I am seeing what appears to be a changelog (screenshot below). So, I pressed the 'q' key to quit and proceed with the ...
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 ...
2
votes
2answers
316 views

Apache server redirects main domain to https

I have this server with multiple domains running CentOS 6.2 and Apache. This server has a SSL certificate installed and working well. Every time I browse to the main domain, without adding http:// it ...
1
vote
0answers
1k views

NFS sharing is read only

I have problem with NFS sharing. See my exports: /export 192.168.1.11(rw,fsid=0,insecure,no_subtree_check,sync) /export/share 192.168.1.12(rw,nohide,insecure,no_subtree_check,sync) From a client ...
0
votes
2answers
60 views

Knowing if a directory is modified

I have a server online and I am wondering if there's a way to know if some file on the server is modified or a new file is added to certain directories. For example, I have this ...
0
votes
2answers
4k views

How to setup VLAN on same subnet as Ethernet ?

I have a physical NIC with dev name eth0 with ip 192.168.1.2 and gateway 192.168.1.1 and I want to setup a VLAN with ip 192.168.1.x and same gateway as eth0. Setting up the VLAN runs smoothly and I ...
0
votes
1answer
110 views

What is a remote config server?

I found myself enabling one of my computer on LAN to connect to a server through port 1236. A check on the list of services show: bvcontrol 1236/tcp rmtcfg # Daniel J. Walsh, Gracilis Packeten remote ...
2
votes
3answers
2k views

Run local scripts on multiple servers using sudo user through a script

I have about 100 remote servers. I want to manage all my servers using one terminal server to update , run commands with sudo privileges. I need to have one main script that takes another test script ...
0
votes
2answers
402 views

Simplest screen echo server?

What is the simplest way to do the following thing? Run a program which will open specified port, listen for it, and display whatever it receives. Also if type something -- then send back to ...
5
votes
1answer
5k 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 ...
2
votes
2answers
391 views

Virtual Wireless Access Point

Basically, I want to be able to connect to a wireless network from my laptop. Then, I want my virtual machine to acquire internet access via a bridged connection from ETH0 of the VM to the host’s ...
4
votes
2answers
935 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 ...
2
votes
1answer
975 views

How do I make a registered domain name resolve to a local/private IP address

I have a Debian Linux server running on my local network. I also have port forwarding set up on my router so that computers outside my network can use my domain name and get to my website/FTP/SSH ...
5
votes
3answers
8k 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 ...
0
votes
1answer
195 views

Intruder nature detection by opensource tools like tripwire

I want to use different kind of intrusion detection tools like OpenSource Tripwire. Please suggest me some tools which can provide me some additional information to that provided by tripwire? ...
1
vote
3answers
308 views

Make Apache view hidden files (Solaris)

Is it possible to make an Apache server like this Apache/1.3.41 Server at user.it.uu.se Port 80 display hidden files (i.e., those who start with a dot) in a specific directory? I have some ...
1
vote
0answers
94 views

Wi-fi management & billing

I want to setup a wifi management & billing using linux server. But I don't know where to start. Is there any guide on how to do this? For example... When user connect to my access point, it will ...
1
vote
0answers
355 views

Ubuntu Server goes to standby mode

I am using Ubuntu Server 12.04 in a virtual machine (VMware Workstation) and it seems like the system goes to standby, at least the first request on a webserver installed on it takes quite long and ...
1
vote
0answers
112 views

Best way to migrate a mail server?

I have a Plesk panel mail server with used hard disk space of 480GB out of a total of 900GB. I would like to migrate the plesk panel and data to a new server on raid 1 hard drives(600GB). The mail ...
0
votes
1answer
295 views

Simple jail for user with open-ssh [duplicate]

Possible Duplicate: Restricting an SSH/SCP/SFTP user to a directory Can I confine my users to their /home/%u directory using simply open-ssh configuration? I did the following from what I ...
1
vote
4answers
63 views

Availability of software during update?

Imaging I am running a mail server, e.g. exim4 (or a database, a syslog daemon...). Now, while updating this package I would assume the application has to be stopped or at least restarted after ...
1
vote
1answer
279 views

nginx + php5-fpm + htdocs on USB

None of the configurations that I've looked up can help with setting up Nginx to serve PHP files on a mounted USB folder. I'm currently getting file not found when I try and access a PHP file on the ...
1
vote
0answers
93 views

printing to “One Single CUPS Server” can not find queues if 'ServerName' is a CNAME

Running "OpenSuSE 11.4" with "cups-client-1.4.6-6.1.i586" installed, I try to use one single CUPS-server to do all my printing jobs / to manage my queues. In YaST -> printer I've selected [x] Do ...
3
votes
1answer
462 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 ...
1
vote
1answer
120 views

How to limit the number of messages sent through a mail server?

I am running a small server on a LAN and do not expect more than a couple dozen emails an hour or so. A user on the LAN accidentally set off a few thousand emails at once. Is there a tool or setting ...
1
vote
2answers
670 views

Apache not responding on port 80 after forwarding port?

I'm trying to set up a web server for my first time. I'm running Ubuntu 12.04.1 and i've installed LAMP. I have also set up a static IP for the server, 192.168.0.111 and reserved it in the router ...
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 ...
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 ...
1
vote
1answer
79 views

Regarding the server distributions

I am confused as to what defines a "server" distribution against a normal, desktop distribution. What I mean is that if you wanted a corporate server, you might be able to pick just about any linux ...
3
votes
3answers
9k 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 ...
2
votes
1answer
216 views

Unable to host a server with Xpra, only connect to an existing one

I've downloaded and installed Xpra from their distribution hosted on winswitch. However, when I try to run it on my server I'm getting: This xpra install does not support starting local servers. ...
1
vote
1answer
721 views

Change server date using PHP

Is this possible to change Linux server date using php code? Is there any way to give necessary permissions to Apache to do this? What is the procedure to give root permissions to Apache?
0
votes
1answer
98 views

Automate checking user submitted files

Since last few days, I'm facing some problem. It's about response to 100 users. Situation goes like this. On one end there are 100 user, each user has unique ID. User is supposed to submit one file to ...
2
votes
1answer
2k views

Heartbeat 3 binding socket error

I've been tying to install Heartbeat3.0.5+Pacemaker1.0.12 on CentOS 6.3 64bit via yum. The installation seems to be successful, but there is a problem when starting Heartbeat. I put some info related ...
1
vote
1answer
91 views

Initiate server script from laptop

I have a server that i can ssh into from my laptop. I want to be able to run a script on my laptop that sends a signal to the server which makes the server initiate a given script there. How do I do ...
1
vote
2answers
887 views

Prevent lots of writes on Ubuntu Server running from flash drive

I would like to have a setting, where Ubuntu Server is installed and booting from a flash drive (SanDisk Cruzer Fit 8GB), with two HDDs running in RAID1 and 4 drives running with RAID0 (only 1 drive ...
3
votes
3answers
3k 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?
1
vote
1answer
451 views

complicated mpd/ssh setup howto?

I've recently acquired a raspberry pi and plan to use it as a home-computer and web/file-server. The setup I have a pretty big (3TB) HD hooked up to it that has all my music on it. I also have a ...
4
votes
3answers
3k 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 ...
3
votes
1answer
416 views

Can /mnt/hgfs/'shared folder' be used as apache root?

I have an Ubuntu Server (12.04) running on my development machine. It is in a VM. I have succeeded with the task of setting up Apache2, MySQL, and PHP. I can access the server from my host browser ...
1
vote
1answer
69 views

vpn conntect over an additional server

I (A) want to connect to my virtual XEN-server (B) with Ubuntu OS via vpn. This server (B) should than connect to another server (C). The traffic should be routed from A to C. C is using CISCO VPN. ...
2
votes
0answers
246 views

vsftpd: Passwordless authentication to different directory

I am configuring a vsftpd server and the requirements are: I need a user resourcesadmin with home directory /var/www/resources with password authentication and FTP with write access (already done) I ...
7
votes
2answers
4k views

How can I set up SSH on Linux to log in password-less?

My Raspberry Pi is running the default Debian image and has SSH enabled. I log into my Pi as follows: ssh pi@<IP-address-of-my-Pi> I have to enter my password every time. Can I somehow make ...