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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3
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3answers
144 views

What is the recommended way of checking running services?

I'm often exposed to various GNU/Linux systems including CentOS, SLES and Debian. I want to know: what is the recommended method of checking all running services across these systems? I am aware of ...
1
vote
1answer
97 views

Accessing Apache server over the Internet [duplicate]

I'm trying to access my Apache server over the Internet. When I use my external IP to connect from a different system, my router's welcome page is displayed. How can I access the server?
3
votes
4answers
2k 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 ...
0
votes
1answer
112 views

Mail server installation in Cent OS 6.2

I have a server with a dedicated IP. I didn't take any domain yet. CentOS 6.2 is installed on this server. I tried to install mail server in it and followed these links exactly. The Perfect Server ...
27
votes
4answers
3k views

How to recover from a chmod -R 000 /bin?

And now I am unable to chmod it back.. or use any of my other system programs. Luckily this is on a VM I've been toying with, but is there any way to resolve this? The system is Ubuntu Server 12.10. ...
1
vote
2answers
132 views

Benefits of rpm over deb in the context of a server? [closed]

This related question What are the pros/cons of deb vs. rpm? seems to be more focused on personal computers, but in the context of a server, why do most of the servers run either RedHat / CentOS or ...
2
votes
1answer
61 views

Sharing /boot between two Ubuntu 12.04 Server installations?

This question may seem trivial at first sight, but it has certain implications and I'm wondering what is the recommended path to take here. Assume the following scenario: a server system. The default ...
2
votes
1answer
72 views

Running services without sudo

I want to run a nodeJS web server on a couple of machines which I don't have sudo access on. What would be a good way to do this? The two requirements are: running the service without being ...
2
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1answer
93 views

How can I be sure that access to my home server from my home network is not done via Internet?

As advised in this question: Network file-sharing between Linux and Android, I have decided to use ownCloud to store files on my home cloud server. However, my needs have changed a bit. I want to be ...
1
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0answers
121 views

Samba and Active Directory limitations

I was wondering if somebody could help me with a question on a networking assignment I have do do with Active Directory and Samba working together (I chose SAMBA). I understand using a Samba domain ...
3
votes
1answer
3k 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 ...
1
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0answers
143 views

CUPS Color & Black and White

Yesterday I set up CUPS to turn a USB printer into a network printer. All of the print jobs are being sent to the server from windows and it's working great except for one problem. When I set the ...
1
vote
1answer
325 views

Upgrading Debian Squeeze to Wheezy - Should updatedb.conf be kept or replaced?

A similar question to Upgrading Debian Squeeze To Wheezy - Should conf' files be kept or replaced?, but in my case it concerns a different conf file and I am not on Linode. I am upgrading a VMWare ...
1
vote
3answers
2k views

how can I find out my server's subnet mask via SSH

Hi I use media tamples dv server... I connected it via SSH with putty.. I need my server's IP address and subnetmask. I know the IP address but I don't know the subnetmask. How can I find out my ...
1
vote
2answers
120 views

Remote backup of local server applying Rsnapshot

I have a server which uses Rsnapshot to take snapshots of folders in miscellaneous computers within a Lan. I would like to have another server located remotely that is to serve as a backup to this ...
1
vote
1answer
512 views

How can I test whether the output from a command is null or empty string? [closed]

I'm trying to get a pre-commit hook script to work on our old SVN box. It's very old, running Ubuntu Server 8.04. This script: @echo off :: :: Stops commits that have empty log messages. ...
0
votes
1answer
87 views

Keep the ssh session

I am using Macbook developing a client application. I want to access server logs, so I opened a shell terminal and established a ssh connection to the server and access the log file there by ...
1
vote
2answers
304 views

How can I get Fedora and Opensuse server edition?

I want to get server edition for Fedora and Opensuse. I've visited their respective sites, but there is no specific server edition in the download section. So how can I get the server edition for ...
1
vote
2answers
241 views

Unable to chown recursively

I'm using this command: chown root:www-data /var/www/example.com -R but I get an error message that the directory is not listed. What is wrong?
0
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0answers
108 views

uploading from Netbeans to remote CentOS server failed

I have a php web application on Netbeans on my Ubuntu , and server is CentOS on a virtualBox . Suddenly uploading to server stopped and I'm getting these errors for non-root user : Failed: file ...
6
votes
3answers
14k 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 ...
1
vote
2answers
1k views

How to simulate unplugged network cable or down server?

I have simulated network latency with netem and It's great. Now I want to simulate unplugged network cable or when server goes down. I need this to make testing of my application easier and I couldn't ...
0
votes
1answer
102 views

Problem in connecting server to Internet

I just have setup a Linux server. But currently I am having problem in connecting to the outside world. I am not able to do wget,apt-get or ping. Here ar some relevant details: $ping google.com ...
3
votes
1answer
4k 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. ...
1
vote
2answers
612 views

Mount a folder without noexec

Is it possible to mount a single folder without the noexec option. I have a situation in which a web app in the users home folder on the server has to be mounted without noexec to run correctly, ...
1
vote
2answers
194 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 ...
1
vote
3answers
310 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 ...
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
637 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 ...
7
votes
2answers
12k views

Ubuntu Server Continuously “goes to sleep”

I am running a web server at home using Ubuntu 11.4 (maybe? I can't 100% recall) on an older AMD 2400+ desktop with 1 or 2 GB of RAM. Sorry I can't recall the details 100%. Anyway, I have a KVM ...
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 ...
3
votes
1answer
298 views

What happened to the GLP OpenGL extension?

I need to do headless hardware accelerated server rendering using OpenGL and found out that this is possible with pbuffers and frame buffer objects (FBO). But today these approaches still need a ...
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
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? ...
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 ...
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
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1answer
111 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 ...
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vote
2answers
4k views

Change default path for when I SSH in to CentOS server?

I have a CentOS 5.7 web server, and I want to change the default place I land in when connecting using SSH. Currently I land in /home/username, and I want to land in /home instead. I've gone in as ...
0
votes
2answers
403 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 ...
7
votes
3answers
1k views

How to setup linux server for headless use?

Consider a headless server like this: A typical x86 box at a remote location, which you can remotely initialize with a stock - say - Ubuntu image. After it is initialized you only can login via ssh - ...
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 ...
3
votes
2answers
7k 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.
2
votes
1answer
979 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 ...
0
votes
1answer
690 views

Reccommendations for a wireless print server supported on Linux?

I have found it difficult to research a wireless print server which will be supported on Linux. I use Debian 6 and Ubuntu 10.04 (also Windows 7 64 bit, Vista, and MACOS Snow Leopard). Everyone in my ...
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 ...