Ubuntu Networking :: How To Determine Addresses Of Servers Connected To In XP
Apr 5, 2010
I'm running a dual boot system at work. I'm connected to a few shared drives in XP, and would also like to connect to them while using Ubuntu.How do I determine the addresses of the servers I'm connected (mapped) to in XP?
I am looking for a command which, when typed from the command line, returns the ip-addresses of the DNS nameservers that my ISP is using.I think is should be technically possible to write a program that does this, because linux installers set up /etc/resolv.conf correctly (as does knoppix). But I've been unable to find a command that does it. Is there one, and if so, what is it called?
I use Ubuntu Linux system 10.04 under a network. I think network admins can see the web pages I visited. How can I hide the the addresses I connected? Is there any way of that?
I have a CentOS5 server with dual ethernet adapters + Webmin installed as my Router / Firewall / DHCP server working successfully with 1 static IP from my ISP. I also have 7 additional static IP addresses from my ISP needing to configure to individual servers inside my network. I have configured the additional virtual interfaces, but am lost on how to route data specifically from additional ISP address to specific internal network address.
Below is my desired configuration. 98.173.159.xx1 = eth0 physical interface ==> eth1 192.168.1.1 98.173.159.xx2 = eth0:1 virtual interface ==> 192.168.1.10 ==> CentOS Server 2 98.173.159.xx3 = eth0:2 virtual interface ==> 192.168.1.20 ==> CentOS Server 3 98.173.159.xx4 = eth0:3 virtual interface ==> 192.168.1.30 ==> CentOS Server 4 98.173.159.xx5 = eth0:4 virtual interface ==> 192.168.1.40 ==> Mac OS X Server 1 98.173.159.xx6 = eth0:5 virtual interface ==> 192.168.1.50 ==> Mac OS X Server 1 98.173.159.xx7 = eth0:6 virtual interface ==> 192.168.1.60 ==> Network Attached Storage Server 1 98.173.159.xx8 = eth0:7 virtual interface ==> 192.168.1.70 ==> Windows 2008 Server 1
I am having an issue on my server where I can't access certain ip's erratically. These addresses could previously connect to us.I think it may be related to getting rootkitted. I know the risks in not reinstalling but we are not able to install yet at this point. I cleaned out shv4 and shv5 from the os and setup tripwire. The client can't ping the server and likewise back.From my personal computer they both respond to pings.The server is running denyhosts but that is about it in-terms of security.I can't find anyhting anywhere... No ipchains present, nothing in host.deny, subnet is 255.255.255.0.I'm really at a loss so I'm looking for some direction
I know someone is going to tell me that I have to assume all my files are compromised and i should reinstall; I did md5 checks on alot of files and there is no data on here that shouldnt get out and I check for stuff running that shouldn't be daily.The server is 10.04 server. Latest updates.Here is a list of installed packages
Does anyone know the ubuntu update servers IP addresses. I am trying to fine tune my firewall rules and was unsure of what ip addresses to use for the update servers. I believe they are us.archive.ubuntu.com and security.ubuntu.com. However, I could be wrong.
I installed Apache by using the following command:
Code: sudo apt-get install apache2 I later realized that there are two (or more versions) of Apache, MPM Worker (threadsafe) and Prefork. Since I'm trying to get both Tomcat and PHP working on the same system I need to know what version is installed of Apache, Worker or Prefork?
Looking in the package documentation, it said something about a virtual package... Looking inthe mods-enable directory, I don't see anything that indicates one or the other.
I'm also wondering if Tomcat integration can work with prefork?
I want to display the associated host name with each address.
I've found the /var/lib/dhcp3/dhcpd.leases file, but it appears to have an entry for every time a lease was issued so it's hard to tell which ones are currently active.
I have a headless server set up with no GUI on board.I know there is some way to display the installed hardware , I just can't remember how.What I'm looking for in particular is determine the type and speed of the PCI-e slots.
I have tried several places for help but I am getting no where...Here is my background.I have spent all weekend to replicate my development server back at home. I have an Apache remote server with 3 IP based virtual hosts pointing to
[URL]
Now I have been able to set up a VM on my desktop, installed the OS, the applications, the db server, apache etc. Everything is looking good so far. So right now I have,
[URL]
So when I go to 192.168.0.111, I go to [URL] so I guess apache is working aswell.What I want to do is, instead of going to [URL] I want to change it to another address such as a.me.add1How can I do this? I am looking through the virtual hosts section, I have changed server name entry etc but its not working.Can you tell me in big picture what I would need to do to set that up? My current set up doesnt really help me much once the site get the www address.tell me if Document Root of IP address 192.168.0.111 points to [URL] will it always resolve into that webaddress. That is if I enter 192.168.0.111 the browser will redirect it to [URL].
How do I put the FQDN in the etc/hosts file, server ip is 192.168.2.101 hostname - promisedland fqdn - promisedland.dyndns.org I just want to set up a web based file server. Here is what i put in hosts (/etc)-gedit
My Firestarter logs show periodic outgoing connection attempts to IP addresses in countries such as Malaysia, China, Russian Federation etc... Fortunately, Firestarter appears to be blocking them. I suspect these are not good and want to find out exactly what process is initiating these outgoing connections.
This is the current setup that we have: We have approx 20 clients who pay us to send out a type of e-mail called an E-Blast to their customers. We currently are using 5 Microsoft Windows Virtual Servers to do this. The problem is that those machines are starting to break down. There are times that it will take Microsoft Windows approx 9-10 hours to complete 1 job. This is way too long. We want to move away from Microsoft Windows for this particular type of job as it seems there are more customers who are wanting to use this type of advertising.
It seems that using a Linux Server "Command Line or Shell" environment would be the best way to go as there is no GUI like Windows. Since there is just text...that is something that would/should process very, very quickly.
I am in the process of setting up a new SMTP outbound mail server. This is the current software & configuration (what is installed on this new machine):
All of the customer data (Names, E-Mail Addresses, etc that these e-mails are going to) are currently loaded in a Microsoft SQL Database.
My machine that I am using is plugged into the DMZ. I have 1 ip address for the 1 network card. I have also added/bound 4 more ip addresses to that network card.
I have configured Postfix for Multiple IP Addresses.
I can, from the command line, send successful test e-mails and receive them in my personal account.
As far as I know everything is setup correctly. I can and will post requested information so that it can be verified that everything is setup correctly.
Here are a couple of my questions:
Ensure that I have my Network / Interfaces file and my Postfix's Master.cf/Main.cf files setup correctly?
How can I setup this server to be an Outbound SMTP server and get it to use all 5 of the IP Addresses to send these e-mails quickly?
What can I use to check and ensure that this server is in fact sending out emails on all 5 IP
Addresses (I heard that there is a program named "Postal" that may help in determing this).
I'm in the process of setting up a script in perl to make 1,000's of curl calls to my companies application on our test server. Our software does all sorts of tracking of data based on IP addresses using geoIP, so i was wondering if anyone knew of a way to fake these addresses to the server?I know a big issue with the IP faking is the return path but i dont really need this. I also cant do it on the hardware level since the script is going to be picking lots of different IP's at random.Anyone have any idea if this is possible and if so, are there any known libraries i can use for this? I prefer perl but any Linux compatiblie scripting language is fine.
I have a Dell Inspiron 1545 with Ubuntu Karmic that was working like a charm until last week.When I'm using my college's wireless I can browse just fine, but when I'm in my home's network the web addresses cannot be resolved.I was suspecting of DNS error, but it's the same DNS address in all the other computers, and the whole network is working just fine.The thing is that if I use the IPs, for instance 64.233.163.104 for Google, it works fine, both pinging and browsing. So the problem is in resolving the addresses...
I am running a dual boot PC, Ubuntu 10.10 & Win7. I do sticky static IPs on my local network, but it doesn't work cause the Ethernet adapter gets a different MAC address in Windows 7 (EF:9F:E9:F7:F7:F7) than it shows for Ubuntu 10.10 (00:13:74:00:5C:3. I am not sure if this is a Windows problem or something up with Ubuntu. The card is an on-board Atheros L2 fast Ethernet adapter. I have tried updating the drivers in Windows & nothing is working.
Does anyone know a good program to log ip addresses when visited or connecting to your machine? Something like tcpdump but for ip addresses, I forgot what its called.
Is it possible to configure two IP addresses using one NIC? I'm implementing a VPN server on network 192.168.1.0, ultimately to be accessed over the Internet and through an ADSL router with port-forwarding to the server. Right now I'd like to test it on the LAN, but with the VPN client and server both on the 192.168.1.0 network, that test would not be be valid.
If I had a spare NIC I could put the server on both the 192.168.1.0 network and, say, a 10.0.0.0 network, configure the client on 10.0.0.0 and test. Not having a spare NIC, I'm wondering if it is possible to configure the server with two IP addressese NIC.Virtualising hosts are able to do something similar when running guests with NICs in bridged mode. Log files show they switch eth0 into promiscuouse.In case it matters the server OS is Slackware 13.0.
I have proftpd setup on my Aspire Revo (which I'm using as an HTPC) so that I can download files to my mac when I feel like watching in bed or whatever. I recently purchased a 1TB WD Elements to store my media. I have proftpd setup so that I can access every file on the computer. However, when I try to gain access to the Elements HD, I get an FTP error from Cyberduck that says:
/media/Elements: no such file or directory
Note that I have not formatted the drive or anything - just set it up straight out of the box. My media is loaded on to it, and XBMC reads the files fine. Is there a way I can enable the hard drive (or the OS) to share these files over FTP, or is this not possible?
i have setup Open VPN on Ubuntu 9.04, generated the key and have it running successfully on the server end. I download the open vpn client for windows, copied over the key ca and cert file and connected to the erver. All went well and the open vpn gui said its connected to the server (green comp icon in taskbar) and it said in a ballon it assigned me an ip of 10.8.0.6 it all looks good... BUT i have no vpn access... The virtual adapted in windows is not able to pull an actual IP/gateway and such...
I want to set up a home / file / torrent / web / print server at home. I am using a dell optiplex gx240 and my printer is a Epson dx8400. I was wondering if it is possible to use the printer and scanner connected to the server. Has anyone done this before? I hope to print from any computer in my house. Scanning would probably be the hardest part I guess.
Last night I was able to set up my server so that I can just connect vnc. I even was able to be connected at the log on screen so I could select which user I wanted to log in at. For some reason today, I have to have the monitor plugged in all the until the logon screen comes up before vnc will connect. Once the logon screen is up, I then can connect via vnc & select which user I want to logon as. It's odd because it worked last nigh, but today - Nope nada, it doesn't work & I can't explain why. I did clean up - Removing some applications I don't need on my server. (I'm hoping that isn't the problem) It's odd as well because I don't have to be logged on as a user to connect via vnc, I just have to wait until the logon screen is available...Then I can unplugged the monitor & logon.
I just loaded F14 and want to use it as a file server. Not even certain where to get started. PC connected to the network, but can't see other PCs or Mac. thoughts?
I have run into a problem that I've tracked down to being a conflict between the "Upstart" init system, and how it handles multiple (alias) IP addresses per physical interface. The summary of the problem is that the interfaces are being configured in the background in parallel with the starting of daemons. One "feature" of this (apparently intended for pluggable devices that would add or remove an interface) is that the network daemons are restarted each time an interface is added (and presumably deleted). But this is a disaster when applied to alias IP addresses.
I first saw the effects of this when during booting Ubuntu Server, the screen showed a message about OpenSSH daemon being restarted ... several times a few seconds apart each. At the time I didn't know what was causing that, but didn't worry because it ultimately was running when I needed it.
But now that I am deploying these servers for specific duty with many IP addresses per system (per network interface), the symptoms are becoming serious, and I need a solution.
1. The IP addresses are coming online too slowly. Apparently the time it takes to restart each daemon is being added to each address being configured.
2. It appears to be disrupting some daemons sometimes. Occaisionally, some daemon just ends up being hung somewhere, or dies. Too many restarts.
3. Sometimes few or even no alias addresses get configured. This might be due to a daemon getting hung, and the whole sequence just not finishing.
4. The "nsd" name server as packaged by Ubuntu doesn't deal well with this at all. It needs all its IP addresses to be up when it starts, or else it won't start. The Ubuntu package of it doesn't including any if-up script at all, although I'm not sure that would do any good.
What I need is a way to configure all these alias IP addresses so they are all configured immediately when the point in time is reached to bring up network interfaces for the first time. These are all static, and all are aliases on ethernet NIC cards plugged into PCIe cards, or integrated in the mainboard. None of them are pluggables. I did run a manual test of "ifconfig" in a loop configuring 2540 alias IP address on eth0 and it only took 2 seconds (no if-up triggers or daemon restarts here). So I know it's fast if nothing else is done between these steps.
Even for pluggable physical interfaces, I see no reason to even try to step through every alias (if it has aliases) with a daemon restart. If an alias IP address is added on later, then I can understand doing it. But if you have a list of 100 aliases for a physical interface, they really should all be done ... or at least attempted ... at once, and do any triggers needed after that.
So, how can I configure or modify Ubuntu Server 9.10 to do that?
I have each alias listed in the "/etc/network/interfaces" file with a separate "auto" and "iface" section for each one, with sequential sub-interface numbers appended to the interface name. I tried it without those sections (e.g. just "address" and other items in sequence) and that prevents the system from even coming up (bootable CD to the rescue to undo that). At least cntrl-alt-del did reboot it.
I tried to attach the /etc/network/interfaces file, but I don't know if it worked because I see no confirmations about it. if it didn't attach and you need to see it, say so, and I'll just paste it in a followup.
I've happened across a wireless router that has a gateway address of 192.168.0.1 and allots IPs from 192.168.0.64-255. My laptop wouldn't connect to it automatically, so I was playing around and found that it needed 0.x instead of 1.x. I thought the network manager on ubuntu would have figured that out?! Now its a separate story that the router happens to have no admin password