Debian Configuration :: Install A Multi-core System And Configure It To Run Several VMs, One Each For A Firewall, A Caching Proxy Server, A Mail Server, A Web Server?

Jan 25, 2011

I will be relocating to a permanent residence sometime in the next year or two. I've recently begun thinking about the best way to implement a home-based network. It occurred to me that the most elegant solution might be the use of VM technology to eliminate as much hardware and wiring as possible.My thinking is this: Install a multi-core system and configure it to run several VMs, one each for a firewall, a caching proxy server, a mail server, a web server. Additionally, I would like to run 2-4 VMs as remote (RDP)workstations, using diskless workstations to boot the VMs over powerline ethernet.The latest powerline technology (available later this year) will allow multiple devices on a residential circuit operating at near gigabit speed, just like legacy wired networks.

In theory, the above would allow me to consolidate everything but the disklessworkstations on a single server and eliminate all wired (and wireless) connections except the broadband connection to the Internet and the cabling to the nearest power outlets. It appears technically possible, but I'm not sure about the various virtual connections among VMs. In theory, each VM should be able to communicate with the other as if it was on the same network via the server data bus, but what about setting up firewall zones? Any internal I/O bandwidth bottlenecks? Any other potential "gotchas", caveats, issues? (Other than the obvious requirement of having enough CPU and RAM).Any thoughts or observations welcome, especially if they are from real world experience in a VM environment. BTW--in case you're wondering why I'm posting here, it's because I run Debian on all my workstations/servers (running VirtualBox as a VM for Windows XP on one workstation).

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Server :: Persistent Caching Proxy Available To Configure ?

Nov 29, 2010

Is there anything like a persistent caching proxy available in linux for me to configure, ie not public? (persistent meaning the cache remains in hard disk between reboots) Is it possible that it NEVER looks for any update to a page that is available in the cache?

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Debian Configuration :: Anti-spam Proxy For Mail On Server?

Jun 20, 2010

I was wondering if there was some kind of anti-spam proxy available for debian, that could serve as a layer between my ISP's mailserver and my email client. Something light, as it needs to be installed to a guruplug server with not much storage available. It would be great if I don't need to configure a fully fledged mail server but if it can function on it's own, only filtering spam messages. I already found assp and qpsmtp, but I find these very difficult to setup and assp is like huge.

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May 18, 2010

Im new in linux i want to configure my redhat machine as both router and transparent proxy!

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Aug 7, 2010

I want to install configure and run my own mail server in my debain box, but I don't know which programs to install(This is my first mail server installation). I found on internet some how-tos for install postfix-dovecot-squirrel mail, but I am not sure that I want dovecot(I prefer courier email server if it is the same).

As I understand I need
smtp mail server -> postfix Mail Transfer Agent
imap and pop3 -> dovecot / courier email server?
webapplication -> squirrel mail

For squirrel mail I am sure that i will install it(I used it on other server and I like it), but don't know for other parts. I read that postfix is good choice, but what other options I have for dovecot?

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Debian Configuration :: Install A Mail Server

Jan 12, 2011

i need to install a mail server with the following requirements: smtp, imap, web administration interface (users management to be done by a non-specialist) and ... to be easy enough to install/implement on debian (this is one time deal for me ...)

i used until now Xmail, phpxmail and nocc, very easy to install and it was working flawlessly, but unfortunately nocc is a too poor webmail client be cause is based only on pop3 literally the requirement is that on the web[client] mails sent must be saved and from what i see on webmail that only can be done with imap and (this is the big problem) Xmail does not support imap so i cannot install a good webmail client

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Server :: How To Configure Caching Server

Feb 4, 2010

i want to configure a caching server on linux . that will be support better speed for resolve index. how can i do this .

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OpenSUSE Network :: Configure YAST Internet Configuration Through Proxy Server?

May 15, 2010

I use openSUSE 11.1 and my YAST can't connect Internet: How to configure my YAST Internet configuration through proxy server in order to download and install the programs (for example dwnld and install WML from [URL])

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OpenSUSE Network :: Configuring Caching Proxy Server 11.4?

May 25, 2011

I want to configure proxy caching on my openSUSE boxYast >>> Proxy >>>

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Server :: Mail Server Configuration - Send Mail To External Domain(internet)

Feb 22, 2011

There is an requirement, intranet people they may not have internet access but they want to send mail to external domain(internet),but in that intranet network one machine can have internet access. Is there any solution for this requirement.

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CentOS 5 Server :: Configure A Mail Server Over A Home Internet Connection?

Feb 12, 2009

I have one server at home, connected through a router that gives me a static IP: - My PC192.168.1.3 - CentOS serverI enabled the port 80 into router forwarding system and I can connect properly to CentOS server, using the IP my internet provider gives me. My router automatically forwards a changed IP to my account so I can also access the server through a domain name (I pay to have it linked to one of my domains).My next step is to configure the mail server (dovecot) , so I can send emails from my local server( was wondering if anyone has any tutorial links or tips to have the mail server configured through a home internet provider + home router.

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Nov 12, 2010

I want to install squid proxy and iptables in ubuntu 10.10 and ip tables.

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Server :: How To Configure Nagios To Use Remote Mail Server

May 31, 2010

I have installed Nagios 3 on CentOS 5.2. Everything is running. It is monitoring 10 machines and 60 services for now. Now I want email notifications for the critical alerts from Nagios. I am already having one mail server (Qmail) running on different machine and I want to use its reference to send alerts to my network.

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Debian Configuration :: Dnscrypt-proxy-1.6 Server Don't Work

Dec 23, 2015

I can not to start dnscrypt-proxy-1.6 like server.

I use the man: [URL]

The man work for dnscrypt-proxy-1.2. It was work good. On latest version the man don't work.

I want that my DNS server is work well work.

uname -a

Code: Select allLinux raspberrypi 4.1.13-v7+ #826 SMP PREEMPT Fri Nov 13 20:19:03 GMT 2015 armv7l GNU/Linux
cat /etc/dnsmasq.conf
Code: Select alldns-forward-max=500


My system is Reaspbian (Like debian but for Raspberry pi 2).

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Red Hat / Fedora :: Configure DNS Server And Mail Server

Sep 7, 2009

Can you help me to give the solution to how to configure DNS server and Mail server on RHEL 5.0

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Server :: Configure Mail Server For Outgoing Only ?

Jan 14, 2010

We run a service in which a customer types in a form and gets a confirmation email after submitting the form. We are on a server with no control panel. We are running CentOS 5.

When we did our testing sendmail sent mails just fine and I was able to receive them. After we went live we found that 75% of our emails are being rejected by other mail servers. Doing research is seems that the headers indicate the emails are coming from

We need to correct this problem, as well as do everything we can to reduce the risk of our mails being marked as spam. We do not receive mail on this server, but rather send mail. We have another email server on another server for receiving mail for our domain, which is already configured with cPanel (which doesn't have a problem).

We can not use cPanel on this server because of certain security restrictions.

I know that sendmail is cryptic to configure. We are willing to switch to Exim if necessary.

As far as installing Exim, I understand it's as easy as:

yum install exim
yum remove sendmail
system-switch-mail (if installed)

But as far as setting up Exim for our needs.

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Jul 16, 2010

I want to configure mail server in centos.'s user mail are in isp mail server
cacheall user mail box=abc password of abc user= 123. How to configure mil server in linux as mdaemon server do in windows.

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Mar 20, 2010

I want you help me to configure the Zimbra mail server. I want install system mail server Zimbra, about 8000 user then How configure server ?( RAM, CPU, HDD) (account email 100MB - 300MB). forward to the help from everyone and Administrator Linux

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Feb 5, 2010

I like to know how to install/configure mail server in Fedora 11, as I am going to do it first time.

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Server :: (OpenSuse 11.2) Installation And Configuration Of Web / Mail Server?

Feb 16, 2010

I am hoping to find some much needed help here. I have been to various other sites and am beginning to think that I am not meant to have a server of my own.

I was told that OpenSuSE was good for beginners. So far, I am wondering.I am trying to set up a home network ( 2 laptops, 1 desktop. The laptops are wireless )

I'd like to set up a web server to run a personal webpage or two and maybe a forum, shoutcast server and IRC at some point down the road after I figure out the first two.

I found a guide, but it was for 64 bit and wanted me to install ISPConfig 3 ( Which, obviously I don't need )

I would like some basic, beginner help on installation, configuration and whatnot on setting up a web-server and mail server.

Yes. I have a static IP ( leasing an IP block from my ISP ). Yes, they allow me a web-server and mail server ( I had to get the IP block to do so ) and I have my own domain name to use.

On the various attempts, I managed to get apache working. ( When I visit my domain name, it says "IT WORKS!" which is nice and all, but I am use to using Cpanel and have no clue how to setup / edit a website outside of a panel ( or even FTP )

I think I got the mail server installed, but again ( as with the web server ) have no clue how to setup / configure and use it.

I either am using the wrong search words for help or asking incorrectly or something. This is my final stop. I am at the point of just forgetting it, chalking it up to a lost cause.

I do hope someone here is willing to be patient with me and help me through it all. I will even give link backs and Kudos to this site if it all works out.

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General :: Any Multi Protocol Proxy Server Software

Aug 29, 2010

-my vpn connection constantly gets disconnected in linux mint but not in my windows 7 or mac os 10.5.8 and there are no retry options in here in case the connection drops?
-is there any multi protocol proxy server software available for linux (socks,http,https)? preferably free.
my google search returned that Squid is the most popular proxy software for linux but its either freakishly hard to install and use or there is just no simple beginner guide for it.
-what's the hotkey to switch between workspaces?

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Debian Configuration :: Setting Up A Mail Server?

Jan 5, 2011

I would like to run a mailing daemon on my system that would receive incoming mail and forwards it to my Gmail account. I have no experience in mail services and forwarding mail at all. where to start reading and/or look for clues?

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General :: Implement Proxy Server With Firewall?

Feb 11, 2010

how to implement proxy server with firewall and the client users should be authinticated by asking username & password while opening their web browsers and finally i want to see the websites visted list of all the client computers On cent os 5.3

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Server :: Act As Firewall / Proxy - Do Bandwidth Management?

Jun 17, 2011

I wanted to implement a server for a small network, but am a bit in-experienced. The server that I want to use should be able to do load-balancing (two connections) and also act as firewall/proxy. And also it should be able to do some bandwidth management. The network that its going to serve has two parts. One part of the network should be served, say during day time,and the other during night time. The one that is going to be served at night-time should not have access to internet during day-time, but should have access to, say local mirror-server. I am a bit confused what software/hardware to use. I am planing to use EndianFirewall, but since I don't have experience, don't know if it can do all that I need (?).

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Debian Configuration :: Optimal Setup For A Mail Server?

Apr 16, 2010

I would like to discuss setting up a mail server and its implications and alternatives. First, let us see if I have understood this correctly: A mail server consists of many different components. First, a server to listen to any mail inbound for a specific domain (say postfix), and then a POP3/IMAP server (say dovecot). Then, I should somehow configure the rules by which all mail is forwarded to their respective owners. This should be fairly simple by using debians package managers and dselect or whatever program it is that sets up right packages by use cases at the install.

But now lets assume a more complicated environment, where there are multiple users with different domains and needs. First, we need to send mail to ourselves from webapps for instance for backup purposes. So let's say we have a domain called setup, and we want to send mail to Unfortunately, some configuration issue makes the application get confused, because it is trying to send mail to itself, but doesn't quite understand what it should do. How can this problem can be solved?

Second, how could I configure different domains with different rules. For instance, if I want one domain to have a catch-all account, where random email sent to erroneous accounts is captured? Or if I want to create accounts which are not based on actual Debian accounts, but instead just random usernames (say,,, etc.)?

Finally, which are the best web-guis for doing such configuration? What if the customer wants to himself add accounts? I cannot require him to edit text files - especially if he can thus break the whole configuration for other customers as well.. postfix-admin is one, but it is quite crude-looking. Is there something which integrates both postfix, apache and dovecot configuration? How about Webmin?

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CentOS 5 Networking :: Load Balancing Multi WAN On Squid Proxy Server?

Aug 12, 2009

How To: Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server I have 3 WANs connection (2 ADSL and 1 Wimax). And 30 clients on LAN.

eth0 connect with Wimax
ip= 172.23.x.x
eth1 connect with ADSL1
eth2 connect with ADSL2
ip= 10.10.5.x
eth3 connect with LAN

how to do Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server.

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Server :: Configure A Mail Server ?

Feb 22, 2010

My firm hosted a domian mail server outsid i am a new in linux & i just want to configure a linux mail server for my office with postfix+fetchmail+cyrus+squirremail so pls help me for that to configure a mail server

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Server :: How To Configure Mail Server

Jun 4, 2010

how to configure mail server in linux

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May 13, 2011

I have been able to find enough information that I need to enable 'time-udp' in /etc/xinetd.d/ But there isn't an entry for time-udp. How do I enable time-udp (Time of Day server) on a Red Hat system? It's RHEL 5.6 64bit.

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Server :: Configure System Vpn Server For Windows Clients And Roadwarriors Connection?

Apr 26, 2010

How to configure linux vpn server for windows clients & roadwarriors connection?

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