Server :: Esxi Test Network And A Production Network
Jul 21, 2010
i have a small home network. i have laptops and workstations that my family (public) uses and an esxi box (private) that i use to test new apps for work.i need to have the public network separate from private. I have tried using two linksys routers but was unable to get the private network to access the internet. i was thinking i could use iptables with a couple of nics but I am not sure it would work. I know this could be a lot of work for someone that has never used iptables before but will give me a reason to learn it.i am sure setting up a public and private network has been done before i just don't to buy a bunch of hardware. I have a extra workstation and a bunch of nics so i would like to go that route. I am open to suggestions.
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Jan 28, 2010
So a while back I was able to mount a directory from my OpenSuse server as a NFS on an Esxi server. After restarting the Esxi server, the NFS became inactive and I was unable to remount it. The error given was that the Esxi client was unable to connect to the Suse server. I was looking into the showmount -a command on the Suse server and it showed the mount point on the Esxi server. Could this be causing the Suse server to reject new attempts to mount the directory? What else can I try to fix this problem? Also I should note that both servers can ping each other.
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Jan 5, 2011
I install from openSUSE-11.3-NET-x86_64.iso. Installation was succesfull, but after install all packet on test internet / update was error. And after log in in installed system internet not work. I use router with DHCP
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Feb 25, 2010
I have this 7.10 Ubuntu server that I'm trying to move inside a VM on my ESXi server. I use the VMware Conversion tool and everythings goes well until I try to boot it from inside the VM, the network isn't detected. Now I understand that the drivers may not be working, I'm not an expert here. Also, since this is a 7.10 install I don't have access to the Gutsy repositories anymore.
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Jul 25, 2011
I have logged into one Linux VM and I want to test remote access to another Linux server on the same network but I cannot recall the Linux application to call?
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Feb 28, 2011
Installed CentOS 5.5 on VMware ESXi server running vsphere 4.1. Installed fine and picked the E1000 network adapter. But can't get the adapter to become active and pick up an IP address. Has anyone done this before? I can't get it to work. When i was testing CentOS out i used VirtualBox and worked fine using bridged networking but just can't seem to get this network card working.I've put some pictures of the config i've got.http:[url]....
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May 7, 2011
I just installed openSUSE 11.4 on my 2 home machines. My home network lies behind a nat router but I still use the external zone setting for my firewalls. In the past to enable network printing between the two computers I opened TCP and UDP port 631. Yast would then see the remote printer, set it up and all was good. This time Yast sees and sets up the remote printer as usual. When I print the test page nothing happens. Checking the cups admin page at localhost:631 on the host machine shows the printer is set up to share but nothing is in the print que. Printing works just fine on the host computer.
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Feb 21, 2011
I have set up a local server running 10.04. I have cups installed and running. I can access the server via 192.168.28.200:631 webapoge. I can print test pages from that site. But when I try installing the networked printer on a client, the printer will install but I can't get the test page to print.
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Aug 27, 2010
In an IPv6 test environment I have installed an openSUSE 11.2 system. I have also installed telnet and it works with IPv4 (I can open a session from a Windows console with "telnet ipv4addr").
If I try to open a session with "telnet ipv6addr" I get the response: "Connecting To ipv6addr. Could not open connection to the host, on port 23: Connect failed".
Does the telnetserver support IPv6 or did I something wrong?
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May 20, 2011
Been helping a user who recently upgraded to 11.04 as his networking stopped after the upgrade. One thing I noticed was that he could not get ping to work.Then checked my 11.04 machine and it also fails to ping using Network Tools. I know the network is OK as I am using my Ubuntu machine to write this. Ping from the command line is fine so it is only the Network Tools ping test that appears to be broken.
Asked another Ubuntu 11 user to check his machine and he also cannot get ping to work even though his machine appears to be fine. Again this is only using the GUI tool.I know it is not hardware as I can dual boot and in XP everything is fine and I can ping all my systems. Also I am sharing a folder from my Ubuntu and my Mac shares the folder just fine. The Mac can also ping everything except the Ubuntu box. Command line ping works so it is not a basic network problem.So as far as I can tell the Network Tools ping test is not working. Has anyone else seen this or can confirm that it is broke. How do I report this or get it fixed?
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Jul 22, 2009
I have 2 pc connected to a HP officejet j6480 1 pc connect by usb the other is eth via a router. The eth pc will not print anything but a test page. It it open a print box but won't give a option to print. The other pc is also on the same router. USB print fine.
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May 14, 2010
I'm looking for a Linux program that will do some simple network performance/stress testing.
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Jun 9, 2009
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.
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Jan 21, 2010
I'm new to networks and servers, been using Linux on the desktop for a while now but always relied on the company's IT guy for setting up everyting LAN-based.
Now I want to build up my home LAN, and want to do it with Linux. I've managed to set up LAMP and file share servers.
What I am looking for is information on what I need, and how to set up a server for the following tasks:Centralized Username and Password, that when the user logs into any one of the desktops in the LAN, it uses this for authentication
Something that allows this authentication to be utilized in other servers (file access, web access, router logging, etc.). Something to make it easier for continuing permissions from one service to another. e.g. I have IPCop filtering content, and it has provisions for tracking who is making which request if there is authentication going on. (optionally) to run a script for mounting Samba shares or mapped network drives so from one system to the next. For example, in whatever box somebody logs in, it mounts a server share ("smb://Myserver/users/<username>") to a local folder ("my_user_share").
So;user "fred" ="smb://Myserver/users/fred" and user "wilma" = "smb://Myserver/users/wilma" but both would find their respective one mounted under "~/my_user_share". This would be irrespective of which box they are loggin in with. If the server share location changes (new server/servername), I change it on the server so the next time they log in it points to the right place.
I guess it is similar to Window's Active Directory, though I'm not sure what it's called, how to configure it and what it is and is not capable of doing.
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Feb 26, 2010
I have openSUSE 11.2 installed and i need to create a gateway server that allows virtual private network connections. I want to play with my friends some lan games, but we are in different networks, so i want to create this gateway server so we can connect with VPN clients to this server and play freely.
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Mar 3, 2011
I was playing with my debian server when something went totally wrong while i was editing something on my network interface,i removed those crap that i wrote and left the network interface configuration as it was
Like for example after re-editing my network interface,it was like :
As i did a network restart, i get this error saying :
There is already a pid file /var/run/dhclient.eth0.pid with pid 2802 killed old client process, removed PID file.
What is this error and how can i fix it,because every time im re booting my server i lost my network config.
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May 12, 2011
I have an opensuse 11.3 install which I want to set up as a network boot server to install Solaris 10 on a Sun Ultra 10 client. According to what I've read, this requires rarpd and tftpd which I've set up on opensuse, but also bootparamd which I can't find for 11.3. It seems it was last included with opensuse 9.2. Does anyone know if it's available, if I could use the suse 9.2 version, or any alternative?
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Apr 13, 2010
I'm using Opera on openSUSE 11.2, and whenever I test java (using this page), it says "Applet crashed." Is there something special I need to do to get java to work properly?
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Aug 5, 2010
I am trying to network a drive which is a USB drive. The directory is /media/My Book and I am at a loss on how to network it properly. From my laptop that has linux mint, I click on network and I see SFTP File Transfer on linux-8m03 but it can never seem to mount.
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Jun 1, 2011
how to create network policy and system policy in opensuse11.4 and domain policies also???
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Jan 20, 2011
I need to test network card throughput and speed between two computers, one is running Fedora and other running Windows 7. Usually I would use netperf to perform this task, however I can't find Windows build of netperf. Can anyone recommend any network evaluation tool, similar to netperf (clien/server) which has both Windows and Linux versions.
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Jan 29, 2011
I have a Broadcom Corporation NetXtreme BCM5721 network card on my server at work.Everything works fine for a few weeks, then randomly the network connection on the server will stop working. After it stops working, I will try to reconnect with the network manager, it shows a wired connection available, it shows the "connection in progress"animation, then the "connection disabled" icon.
I uninstalled the network manager and used manual configuration, but do you think the network manager was the issue? I can't have the server disconnecting randomly every few weeks with no way to know what the real problem is. Was there an issue with the network manager with 10.04?
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Jun 8, 2010
When I installed OpenSUSE 11.1 on my server, at some point, I gave the server a description. Whenever I connect to any of the shares on the server, this description appears. For example, on one Windows workstation, there is a share which appears in Windows Explorer as "Midwest on 'Cincinnati Corporate ISS Server (ISS0042)' (T:)".
For the life of me, I cannot find where this description, "Cincinnati Corporate ISS Server", is stored. I've search through /etc, and poked around ad nauseum in YAST, but I am missing it. Where is this description stored? What is the YAST function to change it?
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May 14, 2010
I am trying to Setup citrix ICA client 9 on Ubuntu 9.04 Server. I installed it very easily and I am not getting any lib error also. But when I try to connect to the citrix server, it fails with a pop up saying "Error in Network Connection Network or Dialup connection may be preventing ......" This is driving me crazy from 3 days. My project is to check the feasiblity of a Linux desktop
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Oct 31, 2010
On Linux Mint (Gnome) i used to go to Network drive. that is on the right hand side of Nautilus there is a short cut for Network. in there i could see my network hard drive and other laptops connected to the network, and i could access my files. but on OpenSuse, when i open the network folder, nothing comes up. may be it needs some sort of configuration.
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Nov 24, 2009
I can't install centos 5 on vmware esxi 4 server.I use the netinstall cdrom and I get the splash screen with the kernel menu.After this, I can choose a language but then I get this error: "The CentOS CD was not found in any of your CDROM drives. Please insert the CentOS CD and press OK to retry."
I have tried it with the image on the datastore, a unc-path and as physical cdrom.I have tested all modes in the vmware cdrom settings (passthrogh IDE or Emulate IDE) - nothing helps.
Console 3 shows me:
loaded mptbase from /modules/modules.cgz
loaded mptscsihfrom /modules/modules.cgz[code]...........
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Feb 24, 2010
Im trying to install ubuntu server 9.10 64 bit on VM Ware ESXi unfortunately im not getting very far - as i get the following message :- This kernel requires an x86-64 CPU, but has detected an i686 CPU. Unable to boot - Please use a kernal suitable for your CPU. Where can i find a vmware ESXi compatible UBUNTU SERVER installer
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Aug 7, 2010
I just noticed that I find lots of hidden files named ".directory.lock.??????.test" across my samba-shared file system. The questionmarks stand here for some random alpha-numeric patterm.
- Which application might have created them?
- Is it save to delete those ?
With e.g. "find . -type f -name ".directory.lock.??????.test" -exec rm -f {} ;"
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Jan 7, 2011
This is my first time to set up a production web server and I got some few questions on our migrations:
1. Our website from the Web Hosting company already gaining 5000000 hits/month and 35000 unique visitors/month, problem is we only have 2x4mb dedicated line here in the office and one IBM x3650 m3 for our LAMP, you think guys its enough to handle that kind of traffic if we start moving our web server here in the office?
2. If I register www.example.com to GoDaddy for example, do I still need to setup a DNS (BIND) server on our side?
3. This is my current Apache config:
Apache/2.2.3 (CentOS) DAV/2 mod_fcgid/2.3.6 mod_auth_kerb/5.1 PHP/5.1.6 mod_python/3.2.8 Python/2.4.3 mod_ssl/2.2.3 OpenSSL/0.9.8e-fips-rhel5 mod_perl/2.0.4 Perl/v5.8.8 with PHP eAccelerator.
Anything to share to increase the performance of the web server?
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Feb 24, 2010
I administer several web hosting (combined with mail relays and other services) production servers under Debian GNU/Linux. I began giving these public services two years ago via three boxes: the first is a gateway which controls traffic via iptables (it's attached to a DSL modem) between a public subnet (the DMZ) and a local network which connects several workstations. In the DMZ subnet I maintain two Pentium-III era boxes, they've grown in services since I set them up. Actually, I think I should buy new ones, but, you know, I want to save money and lenghten its life.
So, they've grown in data hosted, but I've never implemented a resilent backup system. I've set up some rsync tasks sheduled via cron jobs to copy the entire UNIX file system in each of the DMZ boxes, but I'd like to be prepared before an unexpected "real" crash of some HDD, I mean, some problem that renders a disk unusable.
AFAIK, sysadmins sync entire HD backups which are capable of recovering a system via swapping the unusable unit with the backup unit. Maybe the best fashion is to implement a RAID mirroring the unit, I'm I right? So, keeping my systems as they are, I mean, capable of using 4 parallel ATA units, what would you do? Use dump, rsync or some other way to have an operational second unit with an exact copy in a bootable second drive, in order to quickly swap it if the main unit fails?
Comes to my mind to partition a second unit (so making it bootable) and backup daily via rsync only those parts of the unix file system hierarchy which are necessary to boot a system properly. What do you think about this workaround?
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