NAT/routing From Windows Server To Linux VM
Jul 18, 2007
how to set up networking for the following..
I have a windows 2003 server machine. This machine has 3 internet IPs.
Im running Microsoft Virtual Server and going to be running 2 virtual machines both running Linux (Ubuntu).
Ideally I would like the 2 VMs to use my spair 2 internet IPs. However they are assigned to the NIC on the real windows server. How can I route 2 of these ip addressess to the 2 VMs?
Baring in mind that the windows server has only 1 NIC (used for the internet)
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Jun 3, 2008
how to configure linux so that it allows for two ip addresses on one machine?
I know this is possible because my server administrator setup one of my servers to have two different ip addresses so that I could have a static and dynamic http daemon (two different daemons but listening on different ips).
What do you need to configure?
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Feb 15, 2007
I have the following problem with a CentOS server:
The main IP of the server is yyy.zzz.www.qqq
We've just purchased 3 additional IPs: aaa.bbb.ccc.100, aaa.bbb.ccc.101, aaa.bbb.ccc.102.
First, all outgoing traffic used aaa.bbb.ccc.100, but after deleting the gateways from the additional IPs it seemed to work fine, until we found out the following:
Now all traffic to aaa.bbb.ccc.XXX uses aaa.bbb.ccc.100 as outgoing IP.
What command would change this to use our main IP?
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May 7, 2009
my plan for the network is:
LAN (10.0.0.0/24) > (eth0: 10.0.0.62) Debian Router (eth1: 172.16.0.62) > modem (172.16.0.1) > internet
I have change /proc/sys/net/ipv4/ip_forward from 0 to 1
and Routing table is:
Destination Gateway Genmask Flags Metric Ref Use Iface
172.16.0.62 * 255.255.255.255 UH 0 0 0 eth0
10.0.0.62 * 255.255.255.255 UH 0 0 0 eth0
10.0.0.0 10.0.0.62 255.255.255.0 UG 0 0 0 eth0
10.0.0.0 * 255.255.255.0 U 0 0 0 eth0
172.16.0.0 172.16.0.62 255.255.255.0 UG 0 0 0 eth1
172.16.0.0 * 255.255.255.0 U 0 0 0 eth1
default 172.16.0.1 0.0.0.0 UG 0 0 0 eth1
But client not connect internet when use debian router
config debian router?
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Mar 14, 2007
I have two RedHat EL 4 boxes linked via a cross-connect. One is a web server (10.0.0.3) and one is a mySQL server (10.0.0.2), the interface between them is eth1 on both machines and a second interface eth0 connects to the internet.
I want to use the web server to send queries to the database server via eth1, 10.0.0.2:3306 in this case. If I send a database query via eth1 there is a delay of about 10-20 seconds before the result comes back. If I send the same query to the database server but use it's main IP instead of the internal IP so that the query is being sent to it over the internet (xx.xx.xx.xx:3306), the result comes back instantly.
Similarly, if I send a query from any remote server the result is instant.
Why should there be such a huge delay when sending a query directly through the cross-connect?
The routing table ( ip route show ) for the web server is:
xx.xx.xx.xx/xx dev eth0 proto kernel scope link src xx.xxx.xx.xx
10.0.0.0/24 dev eth1 proto kernel scope link src 10.0.0.3
default via xx.xx.xx.xx dev eth0
and the routing table on the database server is:
xx.xx.xx.xx/xx dev eth0 proto kernel scope link src xx.xx.xx.xx
10.0.0.0/8 dev eth1 proto kernel scope link src 10.0.0.2
default via xx.xx.xx.xx dev eth0
I have ifcfg-eth1 on both boxes:
DEVICE=eth1
ONBOOT=yes
TYPE=Ethernet
IPADDR=10.0.0.3 / 10.0.0.2
NETMASK=255.255.255.0
Both boxes can ping each other and transfer files using wget without any apparant problems or delays.
Anyone have any ideas on how to fix this 10-20 second delay when sending queries through the cross-connect?
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Sep 30, 2013
My Plesk panel (11.5.30) hosts a number of domains that all use Google Apps for Business to host their emails. No emails are hosted on the panel, and the mail server is turned off. So is the DNS server.
Using the mail() php function to send automatic confirmation emails from a website hosted on the panel, they arrive at any address NOT hosted locally, however they fail to arrive at any address whose website is locally hosted.
My initial research suggested that Plesk was routing locally, hence the problem, however the mailserver has been turned off the for domain/webspace.
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Sep 14, 2009
I have an exchange server with the webmin interface activated. I have port 80 forwarded on the router to this server for the webmin. Management wants to upgrade data service and move website server in-house.
So this is how I'll need to set up 2 websites on two servers for the same IP.
Server 1: Windows. accepts domain mail.domain.com
Server 2: Linux. accepts www.domain.com
I'm figuring I'll need to make changes at the router level, and I have a decent cisco router. What do I need to do? Point me in the right direction for googling.
Would it be easier to use 2 IPs? Both would come over the same line, how would I handle that on the router level?
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Aug 20, 2008
On the same server, can I use different outing IP for each domains?
They assign 5 Ips to me. but I don't know how to do so.
Panel: Webmin
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Feb 26, 2007
We have a VPS service with ServInt to host only our website (www.ourdomain.com for example) and not our email - the nameservers are also not on our VPS. This all works great but it means that any emails which are sent from our VPS to xxx@ourdomain.com are getting routed to the VPS and not the email server and so are being dropped.
Is there a way around this because ServInt support seem to be stumped because they have suggested the only way to fix it is to setup nameservers on the VPS instead of where they are now?
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Jul 4, 2007
what is the fast and best way?
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Jan 10, 2008
I have a linux server for a video sharring site
The video encoder that I prefer to use will only work in a windows enviorment
The windows server would pass off the converted video to the Linux server.
Will a Samba server for Linux allow a Linux machine to connect and share files with a Windows machine work for this application.
Although it's probably a dumb question but can Linux and Windows exist on the same server?
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Oct 23, 2009
Can I run both Windows & Linux on a dedicated server? I currently have a website hosted on a shared hosting Linux web server (uses PHP, MySQL). I want to use RED5, which seems a bit tricky to set up.
Why Windows?
I would feel more comfortable installing RED5 on a windows server (I think it'd be easier for me, no experience with Linux command line etc.).
Why Linux?
I'd prefer to keep the existing PHP/MySQL website on Linux because I have Apache specific settings.
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Jan 12, 2009
I have Windows Server storage server. However I need to run some Linux scripts. Is it possible to run possibly VMWARE to have Linux so I can install the scripts use the Windows which has content to be used.
Kinda tricky I know but worth a shot.
Windows - Has all the content , but can't run scripts such as file hosting , streaming server (WMV wont do) , HTML/PHP server scripts.
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Sep 6, 2007
where to find data of how many servers in the US are using Linux vs. Windows Servers?
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Apr 11, 2007
can I setup windows Bind Dns server act as primary dns server and linux Bind as Secondary Dns server ?
IF it is possible please let me know how can I do this.
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Sep 11, 2008
i was wondering whats the difference between a windows server and a linux server. if a client asks me which one should they choose? which one is better? what should i tell them to go with
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Nov 5, 2008
What is the best way to get backup from linux server to windows same as rsync
i need to take offside backup from my linux server to windows server,before i used rsync to take backup,now i need to make backup in windows server with help of any software which work same as rsync or any software which must have good feature.
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Jul 13, 2009
Are there and decent tools that you use to keep an "eye" on your server to lookout for hardware issues?
E.g., it would be nice to get an automated email sent if a server's temperature went above X or if S.M.A.R.T. errors were detected with a hardrive, etc.
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Jun 1, 2009
I'm trying to replace my Linux OS with Windows Server 2003, which I already have a license.
I'm talking about OVH Kimsufi XL.
Following support's instructions, I booted my dedicated with netboot, specific with vkvm option.
Then I specified an ftp location, (where there is my "totally working" .iso), and I started the virtual session.
After some mins, a java windows appears, and starts the vnc session.
After usual linux loading, it stops on this :
Code:
VFS: Cannot open root device "801" or unknown-block(8,1)
Please append a correct "root=" boot option; here are the available partitions:
0300 244198584 hda driver: ide-gd
0301 5245191 hda1
0302 238428687 hda2
0303 522112 hda3
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
And, besides I cant write a letter!
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Jul 24, 2008
i have linux.i want setup vpn server on this,and take several account vps to windows clients
how may?
i can`t use of openvpn
do you have another tools?
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May 7, 2008
i have a high end linux server, low load. i'm looking for ideas as to how i can get a windows 2003 machine hosted up onto it (i have a license already) on one of the machine's dedicated IPs, and set it up to host ASP based websites with MS access (have the license already too). Any tutorials or suggestions how this can be set up?
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Aug 1, 2008
I am having a linux and a window servers, I want to move my
domain from Linux to windows server.
I can transfer the public_html folder to "wwwroot".
can any one tell me that how to transfer the data base from linux
to windows server?
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Mar 28, 2007
At work, we have a windows 2003 server.
We have a set of files that get modified from day to day.
Since they know I own a dedicated server (Linux) they ask me if it would be possible to have an offsite backup on my server of the set of files on the windows 2003 server.
Also, I dont want to have the whole files set to be uploaded everyday.
I am aware of rsync on *nix system, but do you have any suggestions on how to proceed with a windows 2003 server to a unix server?
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Jan 16, 2009
I want to transfer an account from a windows server to my linux server.
How can I do that?
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Feb 15, 2009
if i can create 2 VPS with completely different OS such as CentOS5 and Windows 2003 Std.
The main server will be running CentOS with HyperVM.
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Feb 8, 2008
I have a server that keeps dying on my mysteriously. I've loaded it with Windows 2003 and Linux. Both crash about once every other day. So I'm guessing this isn't a software issue, but a hardware one.
When it crashes the screen turns blank. Only a hardware reboot will work. The power doesn't go off though.
Anybody here experience something like this before? I'm guessing it's one of the following:Power supply
CPU
Motherboard
However I'm thinking it's probably not the power supply as the server is relatively idle. I did stress test the server and it didn't crash then.
The thing is, there are no event logs from the BIOS or anything.
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Jul 28, 2008
After long time consideration, selected linux eventually from singlehop, good company, good service.
Now we got big problem. Since our forum has 60GB data, I have no idea how to move files over.
If it was another windows server, I would just install a flashget (or similar download software) and put all HTTP links into it and just go to bed.
The data has been ZIPed into dozens of files, 1-3 GB each. HTTP link are ready for downloading, like
www.abc.com/files01.zip
www.abc.com/files02.zip
........
www.abc.com/files50.zip
I was wondering what's the best way to move data. Can we install a programme and put those links into it and download into my server? Thank you for your suggestion.
I tried wget, seems not working, speed drops to 0 after 10 secs, don't know what reason.
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Apr 26, 2009
How do I run a virtual instance of Windows server 2008 on my Linux dedi? Do I need to partition the server and create a VPS for this or can I run it on something like VMware? (Please look at my other thread here [url]t=857377 to learn more about my server, its resources and current config.)
Why would I want to do this? Because my primary desktop OS is still Vista Ultimate 64 and I've invested a lot in Windows-based software and hardware--too much to make a total switch to Linux. But, I don't want to invest more than I have to in order to run a Windows server that allows my business partner to access documents remotely or for us to share various files securely and privately and still serve my mostly Windows-based clients and colleagues. I'm one of, well, two people I know who even use Linux (at least at the OS level and know it).
Since my research shows I **can** do this on Centos 5, the responses that would be most useful to me would be those that focus on how I can do this successfully (even if it seems complicate; I can figure it out with help and/or direction) and what to consider or avoid when creating this virtual guest OS on my Linux dedi.
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Sep 27, 2014
On the server running Windows migration manager. Firewall is turned off.
On the Linux server Panel Set address and port manager migration. Username and password of an administrator account Windows.
After you click Next, we get this error:
launchpad error (Error code = 2):
== STDERR ====================
Unable to start SSH session: Timeout waiting for banner
==============================
On Windows server - Plesk 11.5
On Linux server - Debian 7 - Plesk 11
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Aug 26, 2009
if there is any way to forward an external IP to an internal subnet without NAT.
I have a server that is configured with a 10.0.100.101 IP and the L3 switch doesn't support NAT, so I can't get on it right now without manually changing the IP on the NIC to a public IP address.
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Feb 21, 2007
I have a linux router with 2 external and 2 internal ports.
Each port needs to route traffic to one of the internal ports, and the internal traffic between the 2 internal ports should not go out the external ports.
The IPS on the internal networks are global. ie. no NAT required.
I think what I need is this..
$ext_net1 = external nework IP/MASK 1
$EXT_IP1 = ip of external interface 1
$ext_net2 = external nework IP/MASK 2
$EXT_IP2 = ip of external interface 2
$int_net1 = internal network IP/MASK 1
$int_net2 = internal network IP/MASK 2
ip route add $ext_net1 dev eth0 src $EXT_IP1 table 1
ip route add default via $ext1_gw table 1
ip route add $int_net1 dev eth1
ip route add $ext_net2 dev eth2 src $EXT_IP2 table 2
ip route add default via $ext2_gw table 2
ip route add $int_net1 dev eth3
ip rule add from $int_net1 table 1
ip rule add from $int_net2 table 2
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