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• Windows XP IIS5 performance across Network

  - by davidsleeps

  Hi, Just wondering whether Windows XP with IIS5 running needs any extra configuration to be suitable as a web server...I'm not considering using this for anything other than a web server on a small network for testing development etc One of the reasons I'm concerned though is that we've deployed an asp.net application to a workstation with Windows XP, and running the application using a browser on the machine (so accessing it through localhost/myApp/page.aspx and not accessing it through the network) runs the application really quickly. If another machine on the LAN accesses the same page (using http://ComputerName/myApp/page.apx) then the whole application runs noticeably slower...yet the computers are connected on a gigabit switch...so I wouldn't have thought network latency or bandwidth could be an issue... Does Windows XP need anything etc enabled or changed or network settings for it to work correctly?

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• Using watch to run a shell script - but the script goes defunct

  - by PHP-Steven

  So I want to keep an eye on my network connectivity so I can make a report for my ISP. (seems like the modem goes out for about 30-60 seconds about once a day) So I copied this handy little script http://www.cyberciti.biz/tips/simple-linux-and-unix-system-monitoring-with-ping-command-and-scripts.html And an running it with watch -n 15 ./ping-test.sh I have been testing it by pulling the plug on my modem. The first time watch runs the script after the network goes out it runs fine (sends some email) and then goes defunct. Once networking is restored the script "finishes" and then watch runs it again. So I'm getting mail for when the network goes down, but not how long it was down for. If I run the script straight from the command line it runs (emails) and then exits. Any ideas why? How can I get the script to keep running once the network is down?

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• Is it possible to a VM inside a VM (e.g., KVM on Vmware)?

  - by lorin

  I'd like to do some development on Eucalyptus, an open source project which provides an Amazon EC2 interface for launching virtual machine instances on a collection of privately managed nodes. I'd really like to be able to do some of the development on my desktop, rather than having to deploy Eucalyptus on our shared local cluster each time I make a change to the source code. (Especially since there are a group of us sharing that test cluster). Unfortunately, my desktop machine is a Mac, which won't run Eucalyptus natively. I do have VMWare Fusion, and it would be really nice if I could do my Eucalyptus testing inside a VMWare instance. The problem is, to test out Eucalyptus, it will have to launch (KVM or Xen) VM instances. I've got no idea if it's possible to actually launch a KVM or Xen instance inside a VMWare instance.

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• How do I add a broadcast IP to the loopback interface under os/x using ifconfig when my machine has no network?

  - by bandodeotarios

  I'm new to advanced network administration and I would like to do some testing with UDP broadcasting, so I need a broadcast address on my loopback interface. The machine is offline, in other words, there is no network. How can I accomplish that through ifconfig without having to buy a switch as one user in the comments suggested. In Linux all i have to do is use 127.255.255.255 and broadcasts work fine without any network or any switch. If I have a network i can just use 255.255.255.255, obviously.

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• How can I telnet to an IPv6 host using Mac OS X?

  - by Nate

  I’m testing IPv6 on a corporate network and having problems with OS X. With most IPv6 commands, such as telnet -6 or traceroute6, I get the error: connect: No route to host For example, I have a web server. This fails: $ telnet -6 fe80::… 80 # this fails I know the server is reachable because ping6 works (note that I have to use the -I argument): $ ping6 -I en1 fe80::… # this works And I know the web server is running because I can telnet to it from Windows: C:\> telnet fe80::… 80 # this works I suspect there is some configuration flag or command-line argument that I am missing.

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• Realtek audio AC 97 5.1 on Windows 7: Terrible subwoofer quality

  - by Edu

  I have a media center PC with on-board Realtek AC97 Audio. I have been using Windows XP for a couple of years with great audio quality. I just upgraded this PC with Windows 7 and installed the latest Realtek drivers from http://www.realtek.com.tw/downloads/ At the testing screen, all the speakers works correctly (including subwoofer). Despite that, while playing any movie or music, the subwoofer quality is terrible. From it it just comes noises, in the correct rhythm but quite low and quite out of tone. I compensated the loudness by putting the other speakers lower but the sound of the subwoofer is really terrible. Is there anyone facing the same problem? Does anyone have a workaround for that? PS.: I had gone past the steps given in Terrible noises from subwoofer of ACER Aspire 6930 with Realtek sound chip but still I have a bad quality of sound. My problem is very similar to the one in http://www.mp3car.com/car-audio/143796-realtek-hd-audio-is-robbing-my-subwoofer.html

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• How to create Isolated test environment

  - by Safin09

  Hi All, I am very new to the VMware world. We have VMWare vCenter 4 in the production environment but we have created multiple VLAN through Cisco Switch. I want know, how I can create an isolated test environment for software testing purpose only, so anything will happen in that test vLan will not make trouble in the production environment. "Host-only networking" is the solution or there is a better way to achieve this result? My requirements A. Hosts should be able to access Internet and a Network Share drive but not Production network B. Hosts should connect each other inside the Virtual LAN C. I should be able to take automatic or periodic backup or snapshoot and deploy snapshot when necessary. Whatever your answer is, please give me steps, how to do, if possible. If I need to purchase anything, I am ready to do but I don't want to spend big money. Many thanks in advance.

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• Does MS Forefront TMG cache authentication?

  - by SnOrfus

  I'm testing a client machine that makes requests to a biztalk server using a forefront machine as a web proxy. Upon first test I put in an invalid name/password into the receive port and received the correct error message (407). Then, I set the correct name/password and everything worked correctly. From there, I kept the correct information in the receive port but put an invalid name/password into the send adapter but the process completed successfully (should have failed with 407). I've ensured that both the recieve and send ports are not bypassing the proxy for local addresses. So the only thing that seems to make sense is if TMG is caching the authentication request coming from the machine I'm working on. Is this thinking correct, and if so, does anyone know how to disable it in TMG?

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• TIME_WAIT connections not being cleaned up after timeout period expires

  - by Mark Dawson

  I am stress testing one of my servers by hitting it with a constant stream of new network connections, the tcp_fin_timeout is set to 60, so if I send a constant stream of something like 100 requests per second, I would expect to see a rolling average of 6000 (60 * 100) connections in a TIME_WAIT state, this is happening, but looking in netstat (using -o) to see the timers, I see connections like: TIME_WAIT timewait (0.00/0/0) where their timeout has expired but the connection is still hanging around, I then eventually run out of connections. Anyone know why these connections don't get cleaned up? If I stop creating new connections they do eventually disappear but while I am constantly creating new connections they don't, seems like the kernel isn't getting chance to clean them up? Is there some other config options I need to set to remove the connections as soon as they have expired? The server is running Ubuntu and my web server is nginx. Also it has iptables with connection tracking, not sure if that would cause these TIME_WAIT connections to live on. Thanks Mark.

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• Website Upgrade - Avoid Downtime

  - by nolan.sipos

  I have been requested to investigate how I can reduce the downtime of our website upgrades. We maintain a DNN site with both public facing pages and member only pages. The member only pages are directly linked to our core application database while the public pages are not. Our current process is to redirect website users as soon as the upgrade process begins, which includes Backup of the Prod DB Update Prod DB Update Executables (Application) Upgrade Website Application (If this requires an update) Install Dependencies Upgrade sub systems like communication engine and payment broker Update various configuration files Perform testing of systems Restart all services Allow access to site This process can take from 2 to 8 hours depending on upgrade required, scripts to be run, size of database and number or portals. My initial thoughts are to restrict users to read only pages and any update pages would be unavailable. Could anyone please offer suggestions as to the best practices for what I would think to be a common problem so that we can reduce this down time and if we need infrastructure changes, I can put this to our technical department.

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• Proxy via Telnet

  - by Vreality2007

  I know telnet is insecure and all, but I'm stuck using it because ssh is blocked. I know how to setup ssh to bind the connection to a local port, is there a way to do this with telnet? For example, if I am using an ssh connection, I would bind it to port 999 like this: ssh -D 999 [email protected] -N -C I've tried using the -b command in linux, but to no avail. Is this even possible? This is what I've tried: telnet host.com -b 999 I'm sorry if the answer is obvious, but I've done a lot of research and testing and I can't seem to figure this out. NOTE: I plan on telling the admin if I can find a way to get this to work, this is based off of simple curiosity and not malicious intent. If I can't bind a telnet port, is there a way to tunnel an ssh connection through telnet?

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• How to handle certificates on a Apache reverse-proxy

  - by Helder

  Ok, so I was able to assemble an Apache for reverse proxy a bunch of internal sites. However, those sites use SSL. For the moment, and for testing purposes, I'm using self-signed certificates from the Apache box. I'm proxying a couple of OWA sites, and 2 https management consoles for a couple of appliances. I'm using name-based vhosts, and it's working fine (using Apache 2.2.14). However, I want to use the original, correct certificates. I have the original "3rd-party" certificates for all the sites, in .cer and .p7b format, and my question is: can I convert the certificates into something Apache will accept? Or will I need to generate new certificates, from the Apache box? Thanks!

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• Used HDD/ran DiskSmartView/40,000 Power-on-hours?? should i trust it w/ my data, or take it back and bitch?

  - by David Lindsay

  I just bought a used hard drive from a University Surplus Store. Decided to run DiskSmartView to make sure it wasn't ready to fail. 40,000 power-on-hours I don't know if I feel like trusting my data to something that used. I really dont know if thats unreasonably old, but when i compare it to the POH reading i get when testing my other hdds its more than 3x older (my others have 2110 hours, 6150 hours, etc.. It's a Western Digital, so that gives me a little bit of hope(WDC WD4000KD-00NAB0). I could sure use someone else's opinion here. Thanks, DAVE

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• Windows 2003 Cluster: Failover Delay

  - by Ramon Marco Navarro

  I am testing the failover policies of our test failover cluster system. When I shutdown the node who is currently controlling the cluster (NODE1), it takes about 2 mins and 40 seconds before the next node on the preferred list (NODE2) takes control of the cluster. I tried changing the looksAlive and isAlive interval to 5000ms to all resources, but that didn't help. Looking at the Event Viewer of the remaining nodes, it shows that it was almost instantly detected that NODE1 was down. But it took another ~2:40 minutes for it to be removed from the live cluster list and for NODE2 to take over. Is there anyway of changing or shortening this "failover delay"? This is the setup of the cluster: (1) One ClusterDC connected to the public network (3) Three nodes running Win2003 with a quorum type of MNS Private network is connected to network hub ________________ _________________ (ClusterDC)=------=| |=------=(Node1)=------=| | |Public Network|=------=(Node2)=------=|Private Network| | (Switch) |=------=(Node3)=------=| (Hub) | ---------------- -----------------

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• Disabling partition just for one OS on multi-boot system

  - by Emiswelt

  Hi Regarding to the solution there: http://serverfault.com/questions/36385/how-can-i-mount-a-hard-drive-as-read-only-on-windows-xp I have a system with three partitions. One runs windows 7, one runs windows XP and is for some experimental programming and testing. I don't want to mess up anything, so I am going to disable the windows 7 partition like described on the linked page above from windows XP to protect the operating system. When I do this, is the windows 7 partition only disabled for the running XP os, or is the windows 7 partition rendered unbootable? with best regards

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• How to create my own certificate chain?

  - by StackedCrooked

  I would like to setup my own OCSP Responder (just for testing purposes). This requires me to have a root certificate and a few certificates generated from it. I've managed to create a self-signed certificate using openssl. I want to use it as the root certificate. The next step would be to create the derived certificates. I can't seem to find the documentation on how to do this however. Does anyone know where I can find this information?

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• MacBook can't use internet, but nslookup and ping both work

  - by Joel Coehoorn

  I have a user with a new high-end MacBook Pro that can't use the internet. He can connect to either our wired or wireless network and do things like browse file shares, but can get no further. When I brought the machine in for testing, I found that I could do an nslookup just fine, and I'm able to ping addresses returned by nslookup just fine. I'm even able to bring up web pages by entering the IP address into the address bar directly. However, when I try to ping the domain name rather than the IP address, it just sits there. So apparently I can either do name resolution or communicate with an address, but not both at the same time. Again, these symptoms occur on both the wired and wireless network. Other machines on our network, including a few other Macs, don't have this issue. Any ideas?

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• Looking for Inneroffice Access Tool, Workstation to Workstation

  - by nicorellius

  This may be a simple question to answer, and I apologize if it's a duplicate. I looked through the suggestions and nothing jumped out at me as the right answer, so here goes: My office has several workstations, Macs and Windows boxes. We do have a firewall and a VPN solution, so getting in to the network from outside is easy. Likewise, we use GoToMeeting for demos and when we help our customers with their issues. But we have one workstation that has certain testing tools on it, and instead of walking across the office to this machine, I'd like to access it from my desk (and monitor it). I will need to open a command line and run commands. I could start a GoToMeeting and do it this way, but that seems overkill and clunky. Is there a simpler tool that allows pseudo-remote access within the same office/network for this kind of access?

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• How to submit Windows 8 bugs on Microsoft Connect?

  - by ahmd1

  I was testing Windows 8 release preview and came across several bugs. One of my friends suggested letting Microsoft know through Microsft Connect. So I went to this web site: connect.microsoft.com I don't think that I'm a stupid person. I'm pretty good at figuring software and websites out, but this one beats me.... So I click on the "Products currently accepting bugs" link and get a long list of products. First off, most of those names is something that I've never heard before. Then I try searching the page for Windows 8 and ... find nothing :) Can someone explain in one or two sentences how to submit bugs to Microsoft?

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• Is this normal? Multiple httpd process

  - by ilcreatore

  I'm testing a new Server. This isnt really a peak time for my server (2pm), but still its running a bit slow, I was checking the ESTABLISHED connections using the following command: # netstat -ntu | grep :80 | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n http://i.stack.imgur.com/cZuvP.jpg My MaxClients are set to 50. So as you can see on the picture, only 10 people are eating most of my ram. I got a server with 4GB Ram (2.7GB free for apache) but each apache process is eating 53MB each, wich mean im only allowed to accept 50 process. The KeepAlive = Off, but I notice those connections arent closing fast enough, is that normal?

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• Windows Live Family Safety Service keeps closing Start Menu

  - by Jim McKeeth

  Got my kids a new Toshiba Laptop for Christmas. I was setting it all up for them so it would be ready to go. Tonight I installed Windows Live Family Safety Parental Controls. In the process of testing I discovered that on all the accounts the Start Menu closes automatically within 3 seconds (or less) of opening. It seems that it happens every 3 seconds, so sometimes it is immediate, and if I open it again then it will stay open for a full 3 seconds. This of course is rather annoying, and I need to wrap it up so it is ready to go under the tree. I disabled the Windows Live Family Safety Service, and that fixed it. Enable it again and the behavior returns. Is this a feature of the service? Can I disable that feature and keep the other features?

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• Unable to understand a line in Google CodePreview's README

  - by Masi

  The README is in Google's codepreview which uses Google-appengine. To run the app locally (e.g. for testing), download the Google App Engine SDK from http://code.google.com/appengine/downloads.html. You can then run the server using make serve I run make serve in my terminal after moving Google-appengine.app to my Application -folder in OS X Leopard. I get make: *** No rule to make target `serve'. Stop. How can you run the make serve to run the server for Google AppEngine?

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• Bridging VirtualBox over OpenVPN TAP adapter on Windows

  - by Sean Edwards

  I'm trying to configure a virtual machine (VirtualBox guest running Backtrack 4) with a bridged adapter over a VPN connection. The VPN is is hosted by the cybersecurity club at my university, and connects to a sandboxed LAN designed for penetration testing against various servers that the club has built. My host (Windows 7 Ultimate) connects to the VPN fine and is assigned an IP through DHCP, but for some reason the VM can't do the same thing, and I'm not sure why. It's like OpenVPN is filtering out packets from the MAC address it doesn't recognize. I want the virtual machine to bridge over the VPN connection, because our IT office has very strict policies about what you can and can't do on the network. I want to be able to run active attacks (ARP spoofing, nmap, Nessus scans) in the sandbox environment without risking the traffic accidentally going over the university network and getting my internet access revoked. Bridging over the VPN connection and running all attacks from inside the VM would solve that problem. Any idea why the host can use this interface, but the VM can't?

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• mini linux to use dd and access HD and/or USB

  - by acidzombie24

  I was thinking about something. I want to install a 7gb partition and store 2 compress disk image and install linux to it. I want it to be light. What i would like to do is hide the grub loader (or anything) and if i want to reformat my PC press a certain key on startup. Which will then load the linux OS and then i can use dd to restore the partition i want I plan to use windows XP and windows 7 as my main OS and virtualize anything else i need (vista, dummy XP for testing, multiple linux distos, etc). Bonus points if you can tell me how to hide the partition in windows so XP and 7 cant touch it

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• setting up a WGR614v7 behind a linux box

  - by commodore fancypants

  Here's the setup, I have an openSUSE box with 2 NICs, one goes to my home network router, the other has DHCP running and it attached to a wireless router. I'm trying to get this setup to work before I switch to the linux box as my home network router. My DHCP will offer the wireless router (a WGR614v7) an address, but anything that connects to the wireless router ends up with a APIPA address. I have all the firewalls on the wireless network turned off as well as the wireless router's own DHCP. The linux box isn't offering addresses to anything past the wireless router. Is this a problem with the router or my DHCP setup? For testing purposes, I have both NICs set in the internal zone and I've tried wireless and wired connections to the WGR614v7 both to no avail.

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