Ubuntu Servers :: Secure File Server Setup
Dec 29, 2010
I am going to set up a file server on Ubuntu. I have searched a while, but can't seem to find a guide to what I want. The requirements specifications are the following:File server: possible to upload, change and download files.Linux (Ubuntu) clients, Windows clients if possible.Access restriction to deny access to other than registered users.Only the user should be able to read the content of the files.Ideally root should not be able to see the individual files, but in worst case it is ok for root to see the files.Root should not be able to open the files.Point 1-3 is easy to find out how to set up. But I can't seem to find a way to deny root to view the files. The only solution I can think of is to encrypt files or a whole folder, but I don't know how to set it up.
The setup is for a home network, but the server used as a file server will have a web server as well. If someone manages to get access to the server I don't want them to be able to read the files.
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Dec 27, 2010
how to setup a secure and reliable server, i have three ubuntu 10.10 servers a Dell PowerEdge 850,1850 and 2850 which has a Dell PowerVault 220s attached to it.The Dell PE850 Server Consists of:
Intel Pentium D 3.0GHz
4 GB RAM
Eventually 2x250GB Sata Hard Drives
The Dell PE850 Server Consists of:
2xIntel Xeon Processors 3.4GHz
4 GB RAM
2x76GB SCSI Hard Drives RAID 1
The Dell PE850 Server Consists of:
2xIntel Dual Core Processors 2.8GHz
4 GB RAM
6x76GB SCSI Hard Drives RAID 5 (pretty sure)
Dell PowerVault 220s
I would like to setup a reliable webserver, mail server, DNS and Dynamic DNS, DHCP, SQL, FTP, Samba (with Roaming Profiles), PXE Boot Server.I know how to setup most of the server modules, i would just like to know the best way to do it tho. I also want to no how to setup the secuity of the system correctly, and setup and partition up my hard disks to allow for the best reliabilty, even when a server crashes.I would like to now how to set these servers up from start to finish in a sence.
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Feb 10, 2011
I am running an Ubuntu Server on a VirtualBox VM running on my windows machine. So I've created a self-signed certificate using the following tutorial: [URL]
From this tutorial I'm left with 3 files:
server.key
server.csr
server.crt
Then I found this very similar tutorial that has an extra bit on installing the certificates in apache: [URL] So I followed it's instructions which boil down to this:
[Code]...
So I'm thinking this should work now. However in Chrome I get: SSL connection error Unable to make a secure connection to the server. This may be a problem with the server, or it may be requiring a client authentication certificate that you don't have. Error 107 (net::ERR_SSL_PROTOCOL_ERROR): SSL protocol error. IE8 gives me a typical "Internet Explorer cannot display the webpage" Note that [URL] fails while [URL] works fine, so it's definitely something in my ssl setup I'm thinking.
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May 17, 2011
I would like to use my Ubuntu server machine as a proxy so I can browse a little more securely/privately while I am traveling. I connect to a lot of open Wi-FI networks.I have Squid setup on an old laptop running Ubuntu Server 10.10 at home, and the main machine I will be using to connect to the proxy is a computer running Windows Vista.I am able to connect and use the Ubuntu Server machine as a proxy while traveling with the squid config file modified with http access set to 'allow all'.
Obviously this isn't the ideal setting.After lots of reading and Googling I can't figure out how to allow only my Vista laptop to use the proxy.I'm a little lost with the ACL settings required.
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Jan 7, 2010
Been messing around with Ubuntu 9.1 for the last few weeks and am loving it so far. Been trying to get in the terminal and learn a little something, to no avail. LOL I have been googling and searching the site today for info on networking. My Linux box is a desktop, with my main HDD mounted with music, and movies and some other stuff. My intent is to network the two laptops in the house (Windows XP and Windows 7) to the Linux box so I can listen to my music and watch movies when not in the office. I have found some info, mostly involving Samba, and plan to install Samba tonight and fiddle with it. My issue was with security. I have read a few posts and they talk about the fact that if you share files in this manner, the set up is not secure at all. Is this something i should really be concerned about? If the folders I share only have my music and videos in them,
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Feb 12, 2010
I'm learning to secure my server in the best way I can think of: By learning to attack it. Here's what would like to accomplish. I have SSH set up on a linux box in a offline lab environment.
Username: root
Password: ajack2343d
Now, I know I can simply brute force this as I know the password, but there has to be other ways, and I wish to learn them.
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Mar 8, 2010
I am trying to setup a file server for a small office but have hit a couple of hurdles, is there a step by step guide how to setup a network for windows and mac computers to use it? I had setup a share etc but once I restarted the server all the files disappeared which I had in the home folder? Also when I setup users how can I use passwords that I select as everytime I set one it encrypts it and uses that instead of my one?
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Aug 15, 2010
I'm trying to setup a NAS for my network, the only problem is that I can't figure out how to do it. On my network I have about 3 computers however only I only use 2 of them so I thought that maybe I could use the third computer in such a way that I could access it 24/7 from the internet as a server for all of my files (school papers, music etc etc...). The only problem is that I don't know where to get started. Both of the computers I'm currently using are Windows and the one that I,hopefully, can turn into a server is running on Ubuntu.
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Jun 19, 2010
I've set up a server for the first time today and I'm reading up on how to secure it. But I was wondering if anyone here would give me some tips from personal experience on what to do before going online with my website for the whole world to see. I'm running Ubuntu Server edition and Apache. Am I good to go with default settings or is there anything recommended that I should first do?
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Dec 7, 2010
I have two computers on my home lan I am trying to share files between...My desktop which is running Ubuntu Server 10.10 (x64) with a GUI, and my laptop which is running Ubuntu Desktop 10.04. I have tried a million different tutorials regarding SAMBA setup, but they never work.
In addition, most of those tutorials are geared towards hybrid Linux/Windows environment. I do not have any microsoft product in my home. I have created the share on my server, but I'm not sure how to connect to it from the laptop (once again at this point in the tutorials it explains how to access it from a Windows PC). I tried using the menu doing this:
Places-->Connect To Server-->Service Type-->Windows Share (for the server I tried my server hostname and IP) to no avail. Does anyone know of a recent step by step tutorial for setting up a complete Ubuntu environment? Is there a simpler method I can use since I do not particularly need to use SMB protocol?
All I want to do is share my music folder from my server so I can access it (from the same LAN) on my laptop...Arrrghhh frustrating.
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May 5, 2011
Know any documentation or software packages to do a open source "File Hosting" or also known as "one-click hosting" server.I want to create my own private secure site to easily have clients download sensitive files. If it could be setup to use SSL that would be great.
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May 30, 2011
I'm trying to setup an open-source project, I have a couple of developers on the team but nobody has experience with Apache. I would like to setup a simple home server for Bugzilla on Ubuntu 10.04, so my question is, is there a server that comes secure out-of-the-box so that simply adding files to /htdocs would suffice?
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Aug 2, 2010
As far as I know, servers are stable and don't go down easily, but every single server will eventually go down some day, either from hardware/software failure or from hacking.
But as sysadmins, our job is to keep servers running healthy as long as possible.
So I'm conducting another short survey (I might start more survey threads, and thank everyone for kindly replying my previous post):
1. Have you encountered server failures? What's the most common cause for server failure?
2. What is your most important trick in avoiding your server go down?
3. What security rules do you follow to protect your servers?
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Jun 24, 2010
I currently run Win 7 and want to upgrade my computer to a server to accomplish the following... I have a VPN Service. I want the server machine to connect to a VPN providing a secure connection. Then, I want all the machines in the house (windows based) to connect through the server onto the VPN connection. Hopefully this makes sense. Would it be better to stick to Windows Server 2008 or switch to Ubuntu?
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Jun 9, 2011
Does anyone know how to go about setting up a secure IMAP email server that is able to be accessed from outside the network? Similar to how you can access your google email account from your computer using Thunderbird.
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Jul 17, 2010
my /var/log/secure file is not getting updated with ssh logins from yesterday.Even the login from my own ip is not updated.
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Nov 21, 2010
if connecting to my server for file transfer using gFtp is secure. I told gFtp to connect to the server using SSH2 and it works. It says it uses this command "ssh -e none -l wordpress -p 1883 IPADDRESS -s sftp." Is this more or less secure then using ftpes or ftps? What I thought was weird was that I could shutdown vsftpd and still connect. Does SSH2 SFTP use its own ftp server?
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Jul 14, 2011
there are some configuration files where linux require the password of application user, to do something.how can i to encrypt the password in these files? Or how can i to store that password in encrypted file and retrieve it in secure mode?
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Mar 13, 2010
I'm trying to find a secure way to backup files on my Prod Server to Backup Server. It must be automated, so I will need to run a command with cron which will login to Prod Server from Backup Server and backup data. 1. Do you think it would be secure enough to do this by creating an passwordless RSA private key on Backup Server and adding it's public key to authorized_hosts file on Prod Server? I can't think of a way to Automate this without having to enter any passwords without passwordless RSA key. Is there another. more secure way? 2. Should I create a special user for backup, which will only have read access to all files in the directory that I am backing up? If so, How can I run a check that this new backup user indeed has read access to ALL files in the folder that I intent to back up? How can I ensure the backup process will not skip files due to some permission problem? 3. I'm thinking of using rsnapshot tool, which uses rsync.
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Sep 22, 2010
Using Thunderbird as mail client, I notice an option in the mail account's Server Settings which reads "Use secure authentication" which allow secured transition of your username and password.I also have my own mail server. Hence, how do I enable this functionality for my mail server (I'm using Postfix & Dovecot) ?
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Nov 24, 2010
After installation Ubuntu Server 10.10 I don't know what to do next to access to the Internet.
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Jan 31, 2010
I just installed Gutsy server. It is the only disk I can get to boot on this old PC trying to salvage. I'm at the "SERVER LOGIN" prompt. I created one user during the install. I can login as that user, but that user has "...Is not in the SudoersFile." How do I setup this user to be in the sudoers file, without having any ability to make changes to the system?
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May 31, 2010
I am trying to set up a LAN with some basic file and printer sharing, as well as either a VPN or FTP server. I am setting up a server for an office with about 4 computers and one remote computer at a home office. I would like the server to back up a selected group of folders on all of the computers as well as share some printers between them all as well. If all of the other computers are windows computers will Ubuntu work for something like this? I would also like to host a website and e-mail server as well if the server is not loaded down too much. I know I can get windows server to work, but I would like to use something else if possible.
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Dec 17, 2010
I'm going to be setting up our company with a in office server in the next few days. I wanted to use ubuntu as my servers OS but after reading some of the documentations I come to realize there is no X server in the server OS. I am OK with doing everything in terminal but would prefer to do some things in a graphic interface. Am I able to install the Xfree86 and be able to configure some stuff through that? Also the machine I am building for the server is not a true server machine just a really fast computer with lots of memory and space. The specs are a 3.1 AMD 64bit processor, 16gig ram, 2x 1TB hdd 7200rpm sata.
If the X server isn't a possibility on the server OS, I have read you can install all the server repositories on the Desktop Editions. Would that be a better option for me? Here is what I would like the server to do. I am going to be running quick books on the server with 1 workstation that is dedicated to it. We have 3 workstations and 3 users. We also would like to implement a Shared filing system and print server. Eventually when our current contract with our web host expires we would like to migrate the base website (not the ecom side) to this server.
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Mar 23, 2010
I followed the tutorial found here [URL] but when I try to access [URL] I get the following:
Code:
Secure Connection Failed
An error occurred during a connection to www.mydomain.com.
SSL received a record that exceeded the maximum permissible length.
(Error code: ssl_error_rx_record_too_long)
Not sure what I might have done wrong... I have retraced all of my steps and I don't believe I missed anything.
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Jan 5, 2010
i got an old server with a 64mb flash-disk in.this seems to be the boot-disk.would it be possible to get ubuntu server on this?there is also an ide-disk in.in my opinion it should be good to boot of the flash disk and put the /home or /srv on the ide disk.someone any ideas about this?
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Oct 8, 2010
I am completely new to everything linux, however I decided that it was time to do something with an old pc I had and I was thinking of setting it up as a home server. I look around for an easy guide on how to set up the server from the begining but I can't seem to find one that's good for a complete beginner like me.What I would like to do is to had the server as a place where I keep all my movies, music etc and be able to acces it from my home network and also from outside of it. Also, I would like to connect my two printers to this server and share them on the network.
Is there a place where I can find simple information about what I want to do and is it possible for a complete beginner like me to do what I want to do?
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Nov 12, 2010
I am trying to setup a TFTP server and followed these instructions in setting up TFTP-HPA.
[URL]
I pretty much followed every step but commented out these two lines from the /etc/xinet.d/tftp.
# only_from = 172.31.0.240/28
# interface = 172.31.0.252
Do we really need the lines if I am allowing any machine to connect? And I have only 1 network card. This is acting as a dedicated TFTP server.I ask as I get an error on the get and put commands as below:
tftp> get xxx.txt
tftp: error received from server <File not found>
tftp: aborting
However although it gives an error it DOES GET the file.The put command however does NOT put the file. I have nobody / nogroup setup for the directory permissions as well.
tftp> put .vimrc
tftp: error received from server <File not found>
tftp: aborting
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Jan 11, 2011
I need to set up a server for my company.There are only 4 people working here and we want a server that will allow us to run a cloud-like system. We want to be able to log in and use programs and have our files available from within the office and at home. I've used Citrix in the past and would like something similar, but free/open source if possible.I want an Ubuntu based server that gives the user a windows compatible environment. What I mean is it needs to be able to run windows software.What kind of hardware do I need? We want to run fairly resource hungry software like GIS and mapping software. I want to run Ubuntu server but what other software will I need?
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May 30, 2011
Ive tried on multiple occasions to setup a dhcp server, but all the google searches return legitimate results it seems, and ill set everything up, except the last few instructions i have to configure /etc/dhcp3/dhcpd.conf and /etc/default/dhcp3-server, but ubuntu says its not there.Im running Ubuntu Server 11.04 and using nano to edit files
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