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• Get OWA and ActiveSync working on server using HTTP redirect in IIS 7

  - by eric

  We have two servers on our LAN. One is a Windows 2003 Server domain controller running Exchange 2003. The other is a stand-alone Windows 2008 server running IIS 7. Our company website runs on the IIS 7 (2008) server, so the firewall forwards port 80 to this. How can I get OWA and ActiveSync to work with this setup? And without using SSL. I have tried setting up a website on the IIS 7 box (mail.ourdomain.com) and using HTTP redirect to point to http://mailserver/exchange, but this doesn't work. Do we have to purchase an SSL certificate for this to work?

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• nginx is not using gzip to talk to backend servers

  - by Michael Gorsuch

  Our web servers are running IIS 7 and are configured to compress dynamic and static content. When I hit these servers directly, gzip compression works. I recently placed nginx in front of them, and gzip compression has stopped. I was able to work around this by explicitly enabling gzip compression on nginx itself, but that seems a little inefficient considering I have half a dozen backends and only one active nginx box. It appears that nginx is stripping out the Accept-Encoding header. Does anyone have any advice for how to 'correct' this behavior? A sample configuration: upstream backend { server 127.0.0.1:8080; } server { listen 80; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; location / { proxy_pass http://backend; } }

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• Computer to Tv cable question

  - by Keith D

  Hi all. Heres my query : I have a PC with all the usual outputs and a couple of TVs in the house with inputs to connect to a computer. Now, what i would like to do is get rid of cable TV and using the input into the spliters in the basement,( ie. where the input cable from outside actually feeds the system ) have the computer become the "Cable supplier" ( so to speak ) and have the output ( via some sort of box ) from the computer, convert what is on my monitor into an RF signal that is then fed into the cables in my house and ultimately to each TV / room . I don't know if there is such an item but would welcome any thoughts you might have on such a set up. I am not into HD or the like, so the picture quality needs only to be watchable, not HD. I don't want to have to set up seperate cables to feed the audio on each TV. Thanks in advance!

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• Yum Update fails due to conflicting perl packages

  - by amRit

  Hi I have a CentOS 5.2 i386 Production box with Qmail, LAMP etc now since it showed me that it could upgrade to 5.3, i downloaded all the packages using yum update However, the update fails due to perl packages conflicting I believe that while installing Qmail, I had tried for Mailscanner and thus it upgraded the per itself I read somewhere that we can uninstall the conflicting rpms and then go for the upgrade But, I am about 50 % sure that if I go ahead and uninstall perl, my server will crash like a falling house of cards Also, perl is needed by variety of packages working including vpopmail etc Thus, I request anyone to please tell me if we have a safer solution to this IF there is no solution to this, then can somebody please teach me how to backup and restore Qmail as it is. I can handle the rest of the things I sincerely appreciate those who have read and even thought about my problem In anticipation of a solution Regards amRit

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• FTP Issue when connecting to a debian machine from windows

  - by erin c

  I have a .net application which copies bunch of files to a specific FTP folder on a debian machine on periodical basis, ftp folder has 755 mod, owner of the directory is the ftp username that I authenticate in .net application. So far I tested this application with bunch of debian boxes, my initial attempts generally fail with following message if I try it with a debian machine that I haven't tried it before: "remote server returned an error 550 File unavailable" When I see this error, I log onto another debian machine on my network, and I try FTP'ing the debian box that returns the error message from command line. I generally "put" a very small file to the folder in question, right after that windows application starts copying files successfully via FTP. It is as if my command line ftp operation fixes the problem and makes debian compatible with my .net application. I checked permissions before and after the problem, it doesn't look like what I did changed anything, I am at loss understanding why this problem occurs and why it is fixed with my silly hack. Can anybody tell me where to look at next to fix this extremely annoying issue?

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• SSH Port Forward 22

  - by j1199dm

  I'm trying to set up the following: At work I want to create a local port that will forward to port 22 on my home server. ssh -L 56879:home:22 username@home -p 443 right now I'm testing this on my two machines at home, my ubuntu server and the other my iMac. iMac: 192.168.1.104 ubuntu: 192.168.1.103 iMac - ssh -p 443 -L 56879:192.168.1.103:22 [email protected] in my ~/.ssh/config on my iMac I have port set to 56879. so when I do git pull remoteserver:/path/to/repo.git on my iMac git will use ssh client on my iMac and use port 56879 since setup in config which should forward to 22 on my ubuntu machine. I keep getting connection refused? Any ideas?

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• How restore back up email files in qmail

  - by Maysam

  I have problem with restoring some old backup mail files in a mail server that uses qmail. The problem is, when I copy a new email file to the /cur directory, the number of emails in front of inbox increases, but when I click on the inbox, I don't see the newly copied email. I can only see the old emails. I also deleted maildirsize and courierimapuiddb files and they where automatically created again, but it didn't help and I cannot still see the email in my inbox. Is there something I am missing? How can I restore the backed up email files? Please note that when I copy the email files in /.sent-mail/cur directory, they are all displayed in my sent box, but that doesn't happen for inbox files in /cur directory.

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• Difference between sending data via UDP in Bash and with a Python script

  - by Kevin Burke

  I'm on a Centos box, trying to send a UDP packet to port 8125 on localhost. When I run this Python script: import socket sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.sendto('blah', ("127.0.0.1", 8125)) The data appears where it should on port 8125. However when I send the data like this: echo "blah" | nc -4u -w1 127.0.0.1 8125 Or like this: echo "blah" > /dev/udp/127.0.0.1/8125 The data does not appear in the backend. I know this is horribly vague but it's UDP and it's hard to determine why one packet is being sent and the other is not. Do you have any ideas about how to debug this issue further? I'm on a Centos machine.

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• Lenovo Thinkpad SL500 and Keyboard Flex problem

  - by nitbuntu

  I was testing a Thinkpad SL500 system at a local store and found the flexing of the keyboard to be quite a deal breaker for me; it was flexing quite prominently with very little pressure applied. I find it hard to believe that a business grade laptop should have this problem as a consumer grade laptop that I own (Dell Inspiron 1526) has very little keyboard flex and one needs to apply a lot of pressure to notice it. Is this a common issue with the SL500 or SL510 models of Thinkpad laptops? What about the Thinkpad R500, does this also suffer from similar issues?

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• How to configure remote access to multiple subnets behind a SonicWALL NSA 2400

  - by Kyle Noland

  I have a client that uses a SonicWALL NSA 2400 as their firewall. I need to setup a second LAN subnet for a handful of PC. Management has decided that there should be a second subnet even though intend to allow access across the two subnets - I know... I'm having trouble getting communication across the 2 subnets. I can ping each gateway, but I cannot ping or seem to route traffic fron subnet A to subnet B. Here is my current setup: X0 Interface: LAN zone with IP addres 192.168.1.1 X1 Interface: WAN zone with WAN IP address X2 Interface: LAN zone with IP address 192.168.75.1 I have configured ARP and routes for the secondar subnet (X2) according to this SonicWALL KB article: http://www.sonicwall.com/downloads/supporting_multiple_firewalled_subnets_on_sonicos_enhanced.pdf using "Example 1". At this point I don't minding if I have to throw the SonicWALL GVC software VPN client into the mix to make it work. It feel like I have an Access Rule issue, but for testing I made LAN LAN, WAN LAN and VPN LAN rules wide open with the same results.

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• Windows 7 - Virtualbox host only adapter doesn't get an IP

  - by Craig

  When I create a new host only network adapter, it will not set the IP address I assign to it. After I save the IP address & netmask it looks like it works (I see the Windows 7 User Account Control verification box), but the IP address doesn't get stored on the adapter. I have tried adding/removing the adapter from within virtualbox and settings the values manually in the Windows aapter settings dialogue. I am using a Windows 7 host. Does anyone know why the settings don't get saved, or how to get more information? C:\Program Files\Oracle\VirtualBox>VBoxManage list hostonlyifs Name: VirtualBox Host-Only Ethernet Adapter GUID: 1721835e-e2c8-4f52-90fe-df7227ebe037 DHCP: Disabled IPAddress: 0.0.0.0 NetworkMask: 0.0.0.0 IPV6Address: IPV6NetworkMaskPrefixLength: 0 HardwareAddress: 00:00:00:00:00:00 MediumType: Unknown Status: Unknown VBoxNetworkName: HostInterfaceNetworking-VirtualBox Host-Only Ethernet Adapter

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• Strip X Window System from OpenRD (Fedora core 8)

  - by disown

  I just got myself an OpenRD Client embedded box with an old Fedora 8 on it. Runs like a charm, only problem is that the default install has X on it, which I would like to remove in order to free up some space. I found a similar post here on the same topic, but yum groupremove doesn't work in my case, yum grouplist returns nothing, so I presume that no groups are defined. I don't know if this is because fedora 8 didn't have any groups, or because the OpenRD build is special in some way. In any case, I would like some tips on which package(s) to remove in order to remove an as big chunk of X as possible. Thanks in advance.

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• ScreenShare: command line and observe only.

  - by Shyam

  Hi, I have a wide TV screen that is attached to a Mac Mini. I am able to use this screen as a second screen using an application like ScreenRecycler. However, Sometimes I want to demonstrate what I am doing on my box on this TV screen. As this TV is attached to a Mac Mini, I want to have a screen sharing done reversed. As I know screen share can be done in observe mode and full screen, this would be more than sufficient. Because it would be pretty useless to run it continuously, I want it on demand. For this, I want to use SSH. So the only thing I would like to know is, how do I start screen sharing in from a Terminal Session. On Windows, I could start an application by using "start notepad.exe", I am looking for something similar. Eventually, I want to make this work on other boxes too. Thanks for your help!

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• ASP.NET, PostgreSQL, Mono, Ubuntu, Apache: Good idea?

  - by wreck_of_u

  I am a long-time Microsoft .NET developer. ASP.NET/MSSQL/IIS has been my bread & butter over the past 6 years. Now, I'm getting fond of the "lightweightness" of Ubuntu 10.xx server. I'm also loving SSH-ing it from my Windows 7 PC and installing apps using the awesome "apt-get" command. I've also been using HeidiSQL with MySQL now and loving it. It feels like Management Studio. However, i've read that PostgreSQL "may" be better than MySQL, and I did experience some MySQL overloads in my Moodle box (but this can be just a poor tweaking in my part). My question is, would it be a good idea to run this configuration? ASP.NET 4.0 PostgreSQL (the latest one I can apt-get!) Ubuntu 10.10 with Mono running on Apache Also, I assume I would be using Npgsql for Mono as my connector from ASP.NET to PostgreSQL?

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• Free Google Docs alternative compatible with Opera

  - by f4k3

  Well gDocs isn't working ok, too many bugs and it's pretty slow (especially when saving documents). I have tried several alternatives: - Zoho - they say it's not compatible with Opera and it;s true - you even can't CTRL+V text - Buzzword - it's really slow, and some functions don't work properly (on all browsers) for example "increase indent" increases a random text indent - Etherpad - was taken over by google and is shut down - Peepel - it's a cool thing, almost a free virtual desktop in a browser but it's buggy - a saved a document, tried to open it end an error occured. the document was lost - OpenGoo - went commercial At the moment I'm testing ThinkFree Online - it'a a bit slow (Java :P) and some minor things don't work (like drag a toolbar) but it has cool functionalities (almost like OpenOffice! which I use at home), it actually works with opera (create, save, edit document). Maybe I'll try Scribd but is it a office/share platform? any other worth trying??

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• Running Sonatype Nexus in Tomcat 7.0, Tomcat blocking PUT requests

  - by gdm

  I was previously running Nexus 1.8 on OSX and uploading jars for releases without any issues. The OSX box died, so I moved to a FreeBSD server. Since Nexus doesn't have binaries for FreeBSD, I decided to run it in my Tomcat container. Now, I have set up Nexus 1.9 in Tomcat 7.0 on FreeBSD. Everything is working well, except I can't upload jars to my release or snapshot repositories. If I try via Hudson, I get a 401 error (and no further details). If I try manually via curl, I get an error message back from Tomcat: "This request requires HTTP authentication.". Why is Tomcat giving this error, and how do I stop it? If I look in the Nexus logs I can see that the PUT request doesn't even reach Nexus, Tomcat is intercepting it.

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• Fine-tuning a LNMP stack

  - by Norman

  I'm in the process of setting up a server with 4GB RAM and 2 CPUs. The stack will be CentOS + NGINX + MySQL + PHP (with APC) and spawn-fcgi. It will be used to serve 10 Wordpress blogs, 3 of which receive about 20,000 hits per day. Each Wordpress instance is equipped with the W3 TotalCache. I have a few variables to play with: NGINX (How many worker_processes, worker_connections, etc) PHP (What parameters in php.ini should I change? What about apc?) Spawn-fcgi (Right now I have 6 php-cgi spawned. How many of them should I have?) I realize it's hard to tell without testing, but if you could please provide me with some ballpark numbers, that would be helpful too.

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• How to automatically enter username and password for network location in batch file?

  - by Phoenix Logan

  I have a batch file that copies files to a network location on WebDAV. The address looks something like this: \\xxxxxxxxx.net@SSL@2078\DavWWWRoot When I restart my computer, the batch file doesn't work and says "Access denied". Before a restart, it works, but it doesn't after the computer restarts. The problem is that it requires me to put in the username and password used to access the server. I have to browse to the server in File Explorer and sign in first. Even if I select the "Remember password" check box, it doesn't work. How can I get it to automatically sign in? I don't want to have to do this every time.

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• HP LaserJet 1320 printing black boxes instead of text

  - by David Gard

  I have an HP LaserJet 1320, running off of the HP PCL5 64-bit Universal Driver (Windows 7 Professional, 64-bit). When printing, anything other than body text is blacked out. I.e. on an email, where the 'To...', 'From...', 'CC...' and 'Subect' are usually shown at the top, there is just a black box. And on Word documents, anything to do with Track Changes is also blacked out. I have tried restarting the Print Spooler, and reinstalling the printer, but this does not help. Does anybody know why this is happening?

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• How to configure 2nd network card for use in VMWare Workstation?

  - by Timo

  Hi all, I am using VMWare Workstation 6.5, connected to my network with a bridged adapter so that the virtual machine OS (Windows XP) has its own IP adress. This just worked out of the box. Now my host machine (Windows Vista) has an additional network card that is directly connected to another computer using a crossover cable (and fixed IP adress 10.1.1.4, while the "main" network connection is using DHCP with IP in the 192.68.0.* range). How can I use that network connection as well in the virtual machine? Do I need to bridge my 2nd network adapter to some VMnetX adapter? Do I need to add a host virtual adapter? I do not know much about networks, and the VMWare network settings really confuse me :-) Thanks, Timo

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• Can't login with blank password on Lion OSX

  - by Owen Melbourne

  Having slight issue with my Lion install. I removed the password from the admin account as it's not desired. However when I'm on the login screen, it wont accept the blank password. It shows the user account and a password box, and when you enter wrong password it gives you the hint. The only way I've found to get in is by constantly spamming the user icon until it logs in. Has anybody else experienced this or knows of a fix?

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• Redirect one input from one terminal to another

  - by Niki Yoshiuchi

  I have sshed into a linux box and I'm using dvtm and bash (although I have also tried this with Gnu screen and bash). I have two terminals, current /dev/pts/29 and /dev/pts/130. I want to redirect the input from one to the other. From what I understand, in /dev/pts/130 I can type: cat </dev/pts/29 And then when I type in /dev/pts/29 the characters I type should show up in /dev/pts/130. However what ends up happening is that every other character I type gets redirected. For example, if I type "hello" I get this: /dev/pts/29 | /dev/pts/130 $ | $ cat </dev/pts/29 $ el | hlo This is really frustrating as I need to do this in order to redirect the io of a process running in gdb (I've tried both run /dev/pts/# and set inferior-tty /dev/pts/# and both resulted in the aforementioned behavior). Am I doing something wrong, or is this a bug in bash/screen/dvtm?

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• Monitoring bandwidth/latency/jitter between 2 sites?

  - by TheCleaner

  I have 2 sites connected via an MPLS network and I'd like to do the following: setup a host on each end that can "talk" back and forth between each other and somehow report/log what kind of throughput, jitter, latency, etc. they are experiencing between each other in 5 minute intervals. Something similar to Qcheck but that can be automated. Bottom line is I'm trying to determine if the WAN network is "stable" throughout the day or if something is wrong. We have video conferences between these sites and even at 1024kbps calls we are experiencing delays and jitter. I'm hoping to exonerate the network with some testing.

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• Building uEFI bootable ISO and USB for Windows 7 deployment

  - by Darragh

  I have been trying to build up a window's 7 and 2k8 EFI deployment ISO or USB. But struggling to to even get an ISO to boot from even VMware Workstation EFI implementation. The problem is there is no clear requirement to what the EFI bootloader is looking for, "e.g EFI boot file" even ISO's and USB's that are bootable don't find the required .efi file. I'd like to know what is the process EFI bootloader follows to boot the EFI file. e.g; in a EFI windows system its; C:\Windows\Boot\EFI\bootmgfw.efi From DVD it's; F:\efi\microsoft\boot\cdboot.efi from what people tell me it's on USB; G:\efi\boot\bootx64.efi (bootmgfw.efi renamed) I've been testing on a HP notebook with EFI 2.0 and VMware Workstation 8.0 with .vmx file firmware = "efi"

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• Running a defect php file cause error 500

  - by John Brunner

  When I address a PHP file, I always get an error 500. I've looked up the logs of my Apache server, and this displays that some includes etc. in the PHP file address files which don't exist on the server. They don't exist because I'm just testing my PHP file. But could it be achieved that the server runs the php file in every case, even when something is wrong? Every 30 seconds an entry is made in the error_log file which says [Sat Jun 09 17:55:07 2012] [error] [client 10.224.55.160] File does not exist: /var/www/html/index.html ... but there IS an index.html?!

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