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• Installation of SQL Server 2008 r2 express - Service accounts

  - by Shimmy

  hello! I am in middle of installing SQL Server 2008 r2 express, where an existing instance has been installed long ago. I need to install a new instance. During the installation I reach a tab where I am supposed to enter accounts for "SQL Server Database Engine" and Browser. The browser is already selected, my question is about the 1st row. What account should I enter? I need to be able to perform SQL queries from SMSS and from my app, thru windows authentication.

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• Sporadic crash of master-slave MySQL replication process

  - by obarshay

  Hello, I was wondering if someone has experienced this and can perhaps provide some insight into this issue. We have a plan-vanilla MySQL master-slave replication set up. The tables are MyISAM and the master can get quite read/write active. We use the slave instance to perform full daily backups in order to avoid bringing down the master server. The backup process does the following: STOP SLAVE SQL_THREAD mysqlhotcopy all tables START SLAVE SQL_THREAD Every once in a while (once a month or so) the replication breaks with varying error messages indicating a corrupt query or log file. Here's one that happened last night: mysql> show slave status \G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: server8.propreports.com Master_User: nexus8 Master_Port: 3306 Connect_Retry: 60 Master_Log_File: bin.000045 Read_Master_Log_Pos: 581644327 Relay_Log_File: relay.000086 Relay_Log_Pos: 94131 Relay_Master_Log_File: bin.000045 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1064 Last_Error: Error 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '138070603'£' at line 1' on query. Default database: 'wtsdb'. Query: 'UPDATE fill SET clearing_fee='0.0E id='138070603'£' Skip_Counter: 0 Exec_Master_Log_Pos: 4164743 Relay_Log_Space: 577574251 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL I follow the following procedure to recover from above error and resume replication: stop slave; change master to MASTER_LOG_POS = 4164743, MASTER_LOG_FILE = 'bin.000045'; start slave; We have multiple servers set up this way and they all sporadically stop replicating with a similar error. Any advice on how to resolve this would be greatly appreciated.

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• DNS error only in IE

  - by Le_Quack

  Our Intranet page has stopped working on some machines/some user accounts. The error I am getting points to a DNS issue but If I ping the site from the command line the it responds fine. The error I'm gettting on IE is Error: The web filter could not find the address for the requested site Why are you seeing this: The system is unable too determine the IP address of intranet.example.com I'm not quite sure why it mentions the web filter as there is a proxy exception for the intranet page and if I run a trace route it doesn't go via the web proxy (filtering system). Finally it isn't affecting everyone, just random users, also it doesn't affect the random users on all the client machines they use. I have one user where it happens on any client they log onto where most its just certian clients. It's even "fixed" itself for a few peoples. EDIT: hey Mikey thanks for the fast response. Proxies are correct and automatic configuration is off (both via GPO)

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• Windows 7 Machine Makes Router Drop -All- Wireless Connections [closed]

  - by Hammer Bro.

  Note: I accidentally originally posted this question over at SuperUser, and I still think the issue is caused by some low-level networking practice of Windows 7, but I think the expertise here would be more apt to figuring it out. Apologies for the cross-post. Some background: My home network consists of my Desktop, a two-month old Windows 7 (x64) machine which is online most frequently (N-spec), as well as three other Windows XP laptops (all G) that only connect every now and then (one for work, one for Netflix, and the other for infrequent regular laptop uses). I used to have a Belkin F5D8236-4 wireless router, and everything worked great. A week ago, however, I found out that the Belkin absolutely in no way would establish a VPN connection, something that has become important for work. So I bought a Netgear WNR3500v2/U/L. The wireless was acting a little sketchy at first for just the Windows 7 machine, but I thought it had something to do with 802.11N and I was in a hurry so I just fished up an ethernet cable and disabled the computer's wireless. It has now become apparent, though, that whenever the Windows 7 machine is connected to the router, all wireless connections become unstable. I was using my work laptop for a solid six hours today with no trouble, having multiple SSH connections open over VPN and streaming internet radio in the background. Then, within two minutes of turning on this Windows 7 box, I had lost all connectivity over the wireless. And I was two feet away from the router. The same sort of thing happens on all of the other laptops -- Netflix can be playing stuff all weekend, but if I come up here and do things on this (W7) computer, the streaming will be dead within ten minutes. So here are my basic observations: If the Windows 7 machine is off, then all connections will have a Signal Strength of Very Good or Excellent and a Speed of 48-54 Mbps for an indefinite amount of time. Shortly after the Windows 7 machine is turned on, all wireless connections will experience a consistent decline in Speed down to 1.0 Mbps, eventually losing their connection entirely. These machines will continue to maintain 70% signal strength, as observed by themselves and router. Once dropped, a wireless connection will have difficulty reconnecting. And, if a connection manages to become established, it will quickly drop off again. The Windows 7 machine itself will continue to function just fine if it's using a wired connection, although it will experience these same issues over the wireless. All of the drivers and firmwares are up to date, and this happened both with the stock Netgear firmware as well as the (current) DD-WRT. What I've tried: Making sure each computer is being assigned a distinct IP. (They are.) Disabling UPnP and Stateful Packet Inspection on the router. Disabling Network Sharing, SSDP Discovery, TCP/IP NetBios Helper and Computer Browser services on the Windows 7 machine. Disabling QoS Packet Scheduler, IPv6, and Link Layer Topology Discovery options on my ethernet controller (leaving only Client for Microsoft Networks, File and Printer Sharing, and IPv4 enabled). What I think: It seems awfully similar to the problems discussed in detail at http://social.msdn.microsoft.com/Forums/en/wsk/thread/1064e397-9d9b-4ae2-bc8e-c8798e591915 (which was both the most relevant and concrete information I could dig up on the internet). I still think that something the Windows 7 IP stack (or just Operating System itself) is doing is giving the router fits. However, I could be wrong, because I have two key differences. One is that most instances of this problem are reported as the entire router dying or restarting, and mine still works just fine over the wired connection. The other is that it's a new router, tested with both the factory firmware and the (I assume) well-maintained DD-WRT project. Even if Windows 7 is still secretly sending IPv6 packets or the TCP Window Scaling implementation that I hear Vista caused some trouble with (even though I've tried my best to disable anything fancy), this router should support those functions. I don't want to get a new or a replacement router unless someone can convince me that this is a defective unit. But the problem seems too specific and predictable by my instincts to be a hardware hiccup. And I don't want to deal with the inevitable problems that always seem to take half a day to resolve when getting a new router, since I'm frantically working (including tomorrow) to complete a project by next week's deadline. Plus, I think in the worst case scenario, I could keep this router connected directly to the modem, disable its wireless entirely, and connect the old Belkin to it directly. That should allow me to still use VPN (although I'll have to plug my work laptop directly into that router), and then maintain wireless connections for all of the other computers. But that feels so wrong to me. Anyone have any ideas what the cause and possible solution could be? Clarifications: The Windows 7 machine is directly connected via an ethernet cable to the router for everything above. But while it is online, all other computers' wireless connections become unusable. It is not an issue of signal strength or interference -- no other devices within scanning range are using Channel 1, and the problem will affect computers that are literally feet away from the router with 95% signal strength.

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• How much should I charge for setting up a client web server? [closed]

  - by Vincent

  I have quite the eccentric client who wants to move all his ecommerce websites (about 5-10, all PHP/MySQL) to his own web server that I'm supposed to build. He doesn't want to hear anything about VPS hosting and all the issues and expenses related to owning a server. My responsibility would be to buy all the hardware, install and configure software, etc. How much should I charge for this? I'm planning to start with two relatively moderate Dell PowerEdge C2100 servers, one for web (NGINX), one for db (MySQL).

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• Instant database snapshot

  - by raj

  My product uses oracle 9 database in its backend. every week the new release of the product is launched which will want to fire some DML, DDL queries to the database. I usually test the product release in a dummy database before applying it in the main database. I create a database dump using exp command, then import them into dummy database using imp. then i test the product in the dummy database and checks if there are any errors. This exp and imp takes about 3 hours to complete. Is there any alternative as : instant snapshot of the live database (which will be independent of the live one)? or is there any option to keep dummydatabase in sync with the originl database always. Yhis can be done by making the product firing DML&DDL queries to both the databases.. but this will be a HUGE performance problem.. how can i overcome this?

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• Excessive CPU Utilization for Bind 9.8.1 `named` processes

  - by justinzane

  I just noticed that named is eating vast amounts of CPU time for a very small network with only a few domains. Can someone help me determine what is misconfigured, please? Or how to debug this. top top - 14:13:08 up 25 days, 14:16, 1 user, load average: 1.04, 1.04, 1.05 Tasks: 149 total, 1 running, 148 sleeping, 0 stopped, 0 zombie %Cpu(s): 17.3 us, 4.3 sy, 0.0 ni, 78.2 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 2042776 total, 1347916 used, 694860 free, 249396 buffers KiB Swap: 3976080 total, 30552 used, 3945528 free, 574164 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 17445 bind 20 0 244m 42m 3124 S 99.4 2.2 2345:03 named rndc stats +++ Statistics Dump +++ (1352931389) ++ Incoming Requests ++ 65869 QUERY ++ Incoming Queries ++ 31809 A 241 NS 3 CNAME 27455 SOA 276 PTR 123 MX 462 TXT 5400 AAAA 7 A6 1 DS 14 DNSKEY 15 SPF 55 AXFR 8 ANY ++ Outgoing Queries ++ [View: internal] 22206 A 509 NS 10 SOA 25 PTR 12 MX 524 TXT 4851 AAAA 62 DNSKEY 19 SPF 3157 DLV [View: external] 87 A 2 NS 80 AAAA 120 DNSKEY 7 DLV [View: _bind] ++ Name Server Statistics ++ 65869 IPv4 requests received 27670 requests with EDNS(0) received 112 TCP requests received 65652 responses sent 20 truncated responses sent 27670 responses with EDNS(0) sent 62920 queries resulted in successful answer 37117 queries resulted in authoritative answer 28482 queries resulted in non authoritative answer 7 queries resulted in referral answer 591 queries resulted in nxrrset 53 queries resulted in SERVFAIL 2081 queries resulted in NXDOMAIN 14530 queries caused recursion 162 duplicate queries received 55 requested transfers completed ++ Zone Maintenance Statistics ++ 109536 IPv4 notifies sent ++ Resolver Statistics ++ [Common] [View: internal] 29362 IPv4 queries sent 2013 IPv6 queries sent 28531 IPv4 responses received 4209 NXDOMAIN received 6 SERVFAIL received 31 FORMERR received 32 EDNS(0) query failures 3359 query retries 836 query timeouts 5348 IPv4 NS address fetches 3271 IPv6 NS address fetches 83 IPv4 NS address fetch failed 2779 IPv6 NS address fetch failed 17421 DNSSEC validation attempted 12731 DNSSEC validation succeeded 4690 DNSSEC NX validation succeeded 21104 queries with RTT 10-100ms 7418 queries with RTT 100-500ms 3 queries with RTT 500-800ms 1 queries with RTT 800-1600ms [View: external] 192 IPv4 queries sent 104 IPv6 queries sent 192 IPv4 responses received 2 NXDOMAIN received 104 query retries 44 IPv4 NS address fetches 44 IPv6 NS address fetches 1 IPv4 NS address fetch failed 1 IPv6 NS address fetch failed 4 DNSSEC validation attempted 3 DNSSEC validation succeeded 1 DNSSEC NX validation succeeded 152 queries with RTT 10-100ms 40 queries with RTT 100-500ms [View: _bind] ++ Cache DB RRsets ++ [View: internal (Cache: internal)] 2007 A 652 NS 131 CNAME 1 MX 32 TXT 421 AAAA 28 DS 244 RRSIG 110 NSEC 3 DNSKEY 2 !A 2 !TXT 89 !AAAA 2 !SPF 14 !DLV 148 NXDOMAIN [View: external (Cache: external)] 55 A 12 NS 34 AAAA 2 DS 10 RRSIG 1 DNSKEY [View: _bind (Cache: _bind)] ++ Socket I/O Statistics ++ 82958 UDP/IPv4 sockets opened 2118 UDP/IPv6 sockets opened 4 TCP/IPv4 sockets opened 1 TCP/IPv6 sockets opened 82956 UDP/IPv4 sockets closed 2117 UDP/IPv6 sockets closed 58 TCP/IPv4 sockets closed 15 UDP/IPv4 socket bind failures 2117 UDP/IPv6 socket connect failures 29554 UDP/IPv4 connections established 59 TCP/IPv4 connections accepted 2117 UDP/IPv6 send errors 5 UDP/IPv4 recv errors ++ Per Zone Query Statistics ++ --- Statistics Dump --- (1352931389)

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• Show table gives - ERROR 2002 (HY000): Can't connect to local MySQL server through socket

  - by arn

  I am having the InnodB tables and show tables gives following error ? mysql (mydb) > show tables; ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... Connection id: 1 Current database: mydb ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock1' (111) ERROR: Can't connect to the server

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• trying to allow domain admins access in apache

  - by sharif

  I am trying to authenticate domain admins through apache and it is not working. Error i get is as follows [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(1432): [client 172.16.0.85] kerb_authenticate_user entered with user (NULL) and auth_type Kerberos [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(915): [client 172.16.0.85] Using HTTP/[email protected] as server principal for password verification [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(655): [client 172.16.0.85] Trying to get TGT for user [email protected] [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(569): [client 172.16.0.85] Trying to verify authenticity of KDC using principal HTTP/[email protected] [Mon Sep 24 14:54:45 2012] [debug] src/mod_auth_kerb.c(994): [client 172.16.0.85] kerb_authenticate_user_krb5pwd ret=0 [email protected] authtype=Basic [Mon Sep 24 14:54:45 2012] [debug] mod_authnz_ldap.c(561): [client 172.16.0.85] ldap authorize: Creating LDAP req structure [Mon Sep 24 14:54:45 2012] [debug] mod_authnz_ldap.c(573): [client 172.16.0.85] auth_ldap authorise: User DN not found, LDAP: ldap_simple_bind_s() failed Below is what I have in my httpd file Alias /compass "/data/intranet/html/compass" <Directory "/data/intranet/html/compass"> AuthType Kerberos AuthName KerberosLogin KrbServiceName HTTP/intranet.xxx.com KrbMethodNegotiate On KrbMethodK5Passwd On KrbAuthRealms xxx.COM Krb5KeyTab /etc/httpd/conf/intranet.keytab # require valid-user # Options Indexes MultiViews FollowSymLinks # AllowOverride All # Order allow,deny # Allow from all # SetOutputFilter DEFLATE # taken from http://blogs.freebsdish.org/tmclaugh/2010/07/15/mod_auth_kerb-ad-and-ldap-authorization/ # download extra module and install # Strip the kerberos realm from the principle. # MapUsernameRule (.*)@(.*) "$1" AuthLDAPURL "ldap://echo.uk.xxx.com akhutan.usa.xxx.com/dc=xxx,dc=com?sAMAccountName" AuthLDAPBindDN cn=Administrator,ou=Users,dc=xxx,dc=com AuthLDAPBindPassword *** Require ldap-group cn=Domain Admins,ou=Users,dc=xxx,dc=com </Directory> I have followed this guide. I have download and install the tarball. when I try to uncomment MapUsernameRule i get failed error when restarting apache Reloading httpd: not reloading due to configuration syntax error I am using centos 5 64bit. I have added the following line but i still get syntax error LoadModule mod_map_user modules/mod_map_user.so

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• One bigger Virtual Machine in Cloud

  - by flyer

  I just setup virtual machines on one hardware with Vagrant (this is just a test environment, not production!). I want to use a Puppet to configure them and next try to setup OpenStack. I am not sure If I am understanding how this should look at the end. Is it possible to have below architecture with OpenStack after all where I will run one Virtual Machine with e.g. 12 cores? ------------------------------- | VM (12c) | ------------------------------- | NOVA | NOVA | NOVA | ------------------------------- | OpenStack | ------------------------------- | VM (4c) | VM (4c) | VM (4c) | ------------------------------- | Bare Metal (8c) | ------------------------------- I need this information to have a bigger picture to continue.

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• Nginx / uWsgi / Django site can handle more traffic with rewrite URL

  - by Ludo

  Hi there. I'm running a Django app, using uWsgi behind Nginx. I've been doing some performance tuning and load testing using ApacheBench and have discovered something unexpected which I wonder if someone could explain for me. In my Nginx config I have a rewrite directive which catches lots of different URL permutations and then forwards them to the canonical URL I wish to use, eg, it traps www.mysite.com/whatever, www.mysite.co.uk/whatever and forwards them all to http://mysite.com/whatever. If I load test against any of the URLs listed with a redirect (ie, NOT the canonical URL which it is eventually forwarded to), it can serve 15000 concurrent connections without breaking a sweat. If I load test against the canonical URL, which the above test I would have expected got forwarded to anyway, it can't handle nearly as much. It will drop about 4000 of the 15000 requests, and can only handle about 9000 reliably. This is the command line I'm using to test: ab -c15000 -n15000 http://www.mysite.com/somepath/ and ab -c15000 -n15000 http://mysite.com/somepath/ I've tried several different types - it makes no different which order I do them in. This doesn't make sense to me - I can understand why the requests involving a redirect may not handle quite so many concurrent connections, but it's happening the other way round. Can anyone explain? I'd really prefer it if the canonical URL was the one which could handle more traffic. I'll post my Nginx config below. Thanks loads for any help! server { server_name www.somesite.com somesite.net www.somesite.net somesite.co.uk www.somesite.co.uk; rewrite ^(.*) http://somesite.com$1 permanent; } server { root /home/django/domains/somesite.com/live/somesite/; server_name somesite.com somesite-live.myserver.somesite.com; access_log /home/django/domains/somesite.com/live/log/nginx.log; location / { uwsgi_pass unix:////tmp/somesite-live.sock; include uwsgi_params; } location /media { try_files $uri $uri/ /index.html; } location /site_media { try_files $uri $uri/ /index.html; } location = /favicon.ico { empty_gif; } }

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• HP Compaq T20 Thin Clients & Windows Server 2008 R2: RDP Disconnects instantly.

  - by sinni800

  Hello, I have some HP Compaq T20 Thin Clients connecting to a Windows Server 2003. Now I want to upgrade to 2008 R2, so I tested a trial installation with remote desktop in administration mode. So I try to connect my T20 to the server and... It doesn't matter if I turn off encryption or not it disconnects with an generic error instantly. The T20s have Windows CE embedded with RDP 5.2 installed. Out of curiosity I tried Windows Server 2008 (no R2) and it worked! I tried the same with a Windows 7 machine set up with- no work. I can not update the T20s to Windows NT embedded for example because they only have a low amount of flash memory. It seems the "new" version of RDP coming from Windows 7 / Windows Server 2008 R2 is completely incompatible with the older 5.2 version. People are having the same problem here: http://social.technet.microsoft.com/Forums/en-US/winserverTS/thread/700488cd-a872-47e5-85a7-595f050afc10

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• Does PHP ala FCGI use the IIS-AppPool or the FCGI AppPool on IIS6

  - by Chris M

  I've got an IIS6 (win2k3 server) setup using PHP via FCGI (microsofts install this time); and I know FCGI has its own Application pool of sorts; I was wondering therefore if this means that the PHP is isolated from the IIS AppPool?

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• LSI 9260-8i w/ 6 256gb SSDs - RAID 5, 6, 10, or bad idea overall?

  - by Michael Pearson

  We're provisioning a new production server for our reasonably busy website. Our choice of host have available a 6 drive configuration with a LSI 9260-8i card. My initial thought was to fill all six bays with SSDs (Intel 520 256gb) and set them up in RAID. Good, bad, or terrible idea? Can the card handle it? Should we be using RAID 5, 6 or 10? This would be the first time the provider have filled all six slots for this rackmount with SSDs, so they're a bit hesitant. I'm wondering if somebody else with this card has done something similar in a production environment. We do about 43gb of writes per day and currently use about 300gb of storage. The server acts as webserver, database, and image store for approx 1 million files. The plan is to underprovision the SSDs by approximately 10% to 20% to increase their overall lifespan & performance. The fallback option is 2x480gb SSDs in RAID 1 and another 2x1TB HDDs in RAID 1. The motivation behind this is that the server rental cost difference between 2xSSDs and 6xSSDs is minimal (compared to the overall cost of the rental). We do not have any special high-IOPs requirements. However, if the configuration is known to work, I don't see a good reason to not use it and not have to worry about having separate 'fast and small' and 'slow and large' disks.

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• Can I send some text to the STDIN of an active process running in a screen session?

  - by Richard Gaywood

  I have a long-running server process inside a screen session on my Linux server. It's a bit unstable (and sadly not my software so I can't fix that!), so I want to script a nightly restart of the process to help stability. The only way to make it do a graceful shutdown is to go to the screen process, switch to the window it's running in, and enter the string "stop" on its control console. Are there any smart redirection contortions I can do to make a cronjob send that stop command at a fixed time every day?

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• What service do you use for music on hold?

  - by Russ Warren

  This may not be a sysadmin question for some, but it is definitely a hurdle I have to jump as the sysadmin for my company. We recently rolled-out a company wide VoiP system (Switchvox, to be exact) that has come preloaded with some royalty-free music on hold. Our customers have been complaining that the music on hold sounds like "funeral music." This may be the case (although I wouldn't want it played at my funeral), but it is all we have and we aren't willing to be sued over using music that isn't properly licensed. So, that brings me to the question asked in the title -- what and/or how do you provide decent music on hold? I'm assuming many people here use a PBX that allows customized music, so this has to apply to many of you. We've been looking at some sites that allow you to download royalty-free music for a one-time fee, but the music seems...lame. Something like a one-year subscription from ibaudio.com seems to be the best bet so far. Have you been able to discover something a little more mainstream for a decent licensing fee? Thank you. EDIT: Our PBX allows the playback of MP3 and OGG files, but does not allow streaming of a live audio source, Internet-based or otherwise. It also does not allow the use of a "line-in" source such as a CD player or radio. Don't let this stop you from sharing your setup, though. I'm interested in hearing what everyone uses!

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• Whats the best way to setup an IIS7 Webfarm for an ASP.NET Application

  - by sontek

  We are looking to setup an IIS7 WebFarm... We have 2 IIS7/Windows Server 2008 boxes that will act as the load balanced webservers. How do you setup IIS/Windows Server 2008 to handle balancing the requests between the 2 servers? What is the best way to sync deployments so we only have to deploy to 1 place. Can we just have them sync their structures or do we have to use a NAS/Network Share?

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• Is it possible to disable the retry mechanism in Exim

  - by Tony Meyer

  I have a very simple Exim configuration that's just forwarding all mail to a set of destination addresses. When immediate delivery to an address fails, the message is added to the queue (and then processed by the retry rules). I want to change this so that if immediately delivery fails, the message is :blackhole:d. (It's ok if a bounce is generated instead, as I'll just redirect the bounce to the :blackhole:). This needs to occur for temporary failures (i.e. 4xx) as well as permanent (i.e. 5xx) ones. I understand that this means that if delivery can't be done immediately the message will be permanently and irretrievably lost. In this particular context, that isn't a problem. Reading over this, it sounds suspiciously like "how can I improve my spamming Exim server". That really isn't what this is for, and if you can figure out a way I can prove that, I'm happy to do so!

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• Moving Windows XP from ICH10R RAID 5 to single disk using Linux [migrated]

  - by tudor

  A friend's machine running Windows XP refused to boot recently which is running 3 SATA disks on RAID 5 (which was previously upgraded from RAID 1 not by me). I have determined there to be a disk failure. The disks have been replaced many times in the past few years. I wish to backup the RAID5 partition before I try anything to fix it. The RAID chipset used is ICH10R/DO. So, I plugged in an extra IDE drive and an Ubuntu USB key and looked at the RAID. The partitioning is a mess, but I did find at least one degraded but working RAID array with two partitions, one 79GB and the other 86GB. Then I: 1) Partitioned my IDE disk using fdisk to have a partition of 80GB and bootable, and marked as NTFS. 2) dd the contents of the array to the partition 3) disconnected everything else 4) inserted a Windows XP CD and ran fixboot, fixmbr, and bootcfg. They all run ok and claim that they worked. (e.g. bootcfg detects the Windows partition, fixboot returns saying that it was written correctly.) However, I'm still getting an error like "DISK FAILURE, BOOT DISK NOT FOUND". I have tried running the GRUB rescue disk, which also runs ok, but won't boot into Windows. It just stops with a flashing cursor after chainloader +1, boot. One clue may be that the partitions appear to be wack. One disk has a 79GB RAID partition on a 500GB drive with a offset, the second disk has a 320GB RAID partition across the whole drive. Additionally, the BIOS lists the RAID size as being 149GB. I don't see how this works. How are they even assembling the array when the partitions are so different? I have also tried running the Windows XP automated repair tool, but that didn't work either. I'm presuming this is something simple. Perhaps Windows is attempting to boot into RAID and, upon not finding it, simply crashing? Perhaps the 79GB partitions offset means that it's looking into the disk by that much? Please help!! To clarify: I want to make the single IDE disk bootable with a copy of the array so that I can prove/disprove that it's just that Windows has become corrupted, and use windows tools to correct it before attempting the same thing on the RAID array. That way I have a working backup and can show the process I used to fix it.

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• Apache - setting up a subdomain

  - by Adam

  I'm having trouble getting a subdomain working for an Apache Linux Install. Following is what I've configured: DNS: connect.goneglobal.com. CNAME 54.251.35.112 Apache httpd.conf: <VirtualHost *:80> DocumentRoot /var/www/html/connect.goneglobal.com ServerName connect.goneglobal.com </VirtualHost> restart httpd - this ip is registered to this server - works for other sites on this apache. (first time I've tried a subdomain). Appears the issue is with DNS potentially and it doesn't seem to get to the site. Note: I have an index.php in the Documentroot. Note: there is an A record for goneglobal.com. which goes to a different hosting provider. thx

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• Router failover not detecting outside interface link lost

  - by Matt

  Suppose I have two routers configured in master/slave configuration. They look something like this (addresses are not real ones) 123.123.123.10 <===> [eth0] Router 1 (10.1.1.2) [eth1] ===> +----------+ | 10.1.1.1 | ===> LAN 172.123.123.10 <===> [eth0] Router 2 (10.1.1.3) [eth1] ===> +----------+ The 10.1.1.1 is the default route for the Network (10.1.1.0). What's slightly different in this config to other's I've seen is that I don't have an external virtual IP. Also, the 10.1.1.1 addresses are in real life, public IP's (not private ones shown here). This is more of a router setup than a firewall setup so I'm not using NAT here. Now the issue that I'm having is that I can't see any way to configure UCARP or VRRP to monitor both eth0 & eth1 and fail over to the backup router should either of them go down. What I'm seeing is that if Router1 is the master and I unplug eth0 on router1, it doesn't fail over to router 2. However, it will if instead I unplug eth1 of router 1. In VRRP I see there is a cluster group, but it seems that for this to work you need to have virtual ip's or vrrp instances rather than actual interfaces assigned to it. I hope my explanation is clear. How do I get around this?

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• Recover Intel Matrix Raid Configuration

  - by Catalin DICU

  Hello, I had 2 HDDs in Intel Matrix Raid configuration on a motherboard with intel ICH9R. I had some RAID 0 partitions and one RAID 1 partition. Somehow when replacing my videocard I partially unpulugged the power connector from one of the HDD. I booted and only one disk was showing. So I turned off the PC and correctly plugged the power connector and how both HDDs are showing as "Non-Raid Disk" Is there a way to restore the raid configuration from before ? In fact I don't really remember how my partitions where configured, I had 2x100Gb + 1x296Gb in RAID 0 and one 50Gb in RAID 1 (using 2x320Gb HDDs) but I'm not sure how many volumes and how the partitions where allocated on the volumes. Is there a tool to find that ? Thanks

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• Trying to setup postfix

  - by Frexuz

  I used this guide: http://jonsview.com/how-to-setup-email-services-on-ubuntu-using-postfix-tlssasl-and-dovecot telnet localhost 25 says 220 episodecalendar.com ESMTP Postfix (Ubuntu) ehlo localhost 250-episodecalendar.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN Installation seems fine? /var/log/mail.log says Nov 26 14:04:06 ubuntu postfix/pickup[12107]: A742E2B9E1: uid=0 from=<root> Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: A742E2B9E1: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: from=<[email protected]>, size=300, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/local[12115]: A742E2B9E1: to=<[email protected]>, relay=local, delay=3.3, delays=3.3/0/0/$ Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: AD2662B9E0: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: from=<>, size=2087, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/bounce[12117]: A742E2B9E1: sender non-delivery notification: AD2662B9E0 Nov 26 14:04:06 ubuntu postfix/local[12115]: AD2662B9E0: to=<[email protected]>, relay=local, delay=0.02, delays=0.01/0/0/0$ Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: removed Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: removed I'm not really understanding the log file, and obviously I'm not getting any emails. Right now I'm running Ubuntu on a Virtualbox (development box). Is that a problem? The internet connection works fine on it. What about domains etc..? edit: /etc/postfix/main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client.

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• linux centos 5.6 someone installed irc

  - by Peter

  I need some help, my server provider contacted me to tell me my server was using 200mbit/s bandwidth. Upon investigation I found processes for a user that should not be there.. I found processes as follows: 26269 511 Nov27 ./stealth 58.22.68.253 53 775 511 Oct12 ./eggdrop -m botnick.conf I know eggdrop is IRC, my question is, where can I find out where the software has been installed for these processes?

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• PLesk Error: pmm-ras error (Error code = -6): during restore.. /tmp folder to increase?

  - by eric

  I had to re-install plesk on a centos 6 system after a crash. The full backup file is 11 gb. but at the beginning of the backup reinstall I get the error Error: pmm-ras error (Error code = -6): argh ! my disk organization is like this Filesystem Size Used Avail Use% Mounted on /dev/xvda1 3.7G 801M 2.9G 22% / /dev/mapper/vg00-usr 14G 1.5G 12G 12% /usr /dev/mapper/vg00-var 155G 14G 134G 10% /var /dev/mapper/vg00-home 3.9G 136M 3.6G 4% /home none 1000M 7.5M 993M 1% /tmp I suppose I have to increase my /tmp folder to accept the backup size,but I don't know how-to. I'm on 1&1 cloud server Thanks for your help. You can imagine the emergency of this situation...

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