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• Varnish 503 Guru Mediation errors with pfsense and healthy apache

  - by Fammy

  We are running a pfsense firewall / load balancer with varnish as service, In front of Fedora linux webservers running apache. We are getting intermittent 503 guru mediation errors. We are a bit stuck scratching our heads because it is not easily repeatable. The timeouts are set to 30s (connect and first byte) but yet the 503 page will show instantly, not after 30s. Then if you refresh immediately it may very well work instantly and sometimes for a 100 refreshes. The load average on the web servers is < 1, the DB server is < 3 (all servers (web, db, pfsense/varnish) are physical rather than VM. I would have thought if the timeouts were being hit then the 503 page would only appear after 30s am I mistaken? Also when an error happens there does not appear to be any corresponding error in apache's log files. This seems to affect pages as well as images, so it is possible to have the page load fine, and for 9/10 images on the page to be fine but 1 not work An example of the varnish debug is below. It says no backend connection but I can't figure out why, if the load was high on apache I could understand it being flaky The machines are on the same gig ethernet lan 21 ReqStart c *IP-REMOVED* 33418 1274368062 21 RxRequest c GET 21 RxURL c /fashion/ 21 RxProtocol c HTTP/1.1 21 RxHeader c User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.5) Gecko/2008121622 Fedora/3.0.5-1.fc10 Firefox/3.0.5 21 RxHeader c Host: *ourdomain.com* 21 RxHeader c Accept: */* 21 RxHeader c Accept-Encoding: deflate, gzip 21 VCL_call c recv lookup 21 VCL_call c hash 21 Hash c /fashion/ 21 Hash c *ourdomain.com* 21 VCL_return c hash 21 VCL_call c miss fetch 21 FetchError c no backend connection 21 VCL_call c error restart 21 VCL_call c recv lookup 21 VCL_call c hash 21 Hash c /fashion/ 21 Hash c *ourdomain.com* 21 VCL_return c hash 21 VCL_call c miss fetch 21 FetchError c no backend connection 21 VCL_call c error restart 21 VCL_call c recv lookup 21 VCL_call c hash 21 Hash c /fashion/ 21 Hash c *ourdomain.com* 21 VCL_return c hash 21 VCL_call c miss fetch 21 FetchError c no backend connection 21 VCL_call c error deliver 21 VCL_call c deliver deliver 21 TxProtocol c HTTP/1.1 21 TxStatus c 503 21 TxResponse c Service Unavailable 21 TxHeader c Server: Varnish 21 TxHeader c Content-Type: text/html; charset=utf-8 21 TxHeader c Content-Length: 384 21 TxHeader c Accept-Ranges: bytes 21 TxHeader c Date: Wed, 11 Apr 2012 10:36:17 GMT 21 TxHeader c X-Varnish: 1274368062 21 TxHeader c Age: 0 21 TxHeader c Via: 1.1 varnish 21 TxHeader c Connection: close 21 TxHeader c X-Cache: MISS 21 Length c 384 21 ReqEnd c 1274368062 1334140577.449995041 1334140577.450334787 1.794108152 0.000282764 0.000056982

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• Header precendence: Apache Vs. PHP specific to cache-control & expires

  - by David

  My companies production dynamic web servers ( Apache + PHP 5.1x) are using the Apache expires module and there is a clause inside http.conf as follows: <FilesMatch ".+"> ExpiresActive On ExpiresDefault "A0" </FilesMatch> If I were to set inside a php script "Cache-Control" and "Expires", would it get eaten by this clause? Normally I would test this on my own but having trouble convincing the Expires module to function on my workstation and the company Admin's are down at the data-center.

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• File Access problems with SLES 10 SP2 OES2 SP1

  - by Blackhawk131

  We have identified a couple of repeatable, demonstrable scenarios with unexplained rejected folder access on our servers for Mac users. Hopefully, this can be presented to Novell for a solution. What we did to demonstrate scenario 1; 1. setup a PC and Mac side-by-side 2. login to our server and open up to a central location on both Mac and PC 3. on the PC in that central location create a folder 4. on the Mac in that central location drag the created folder to the Mac desktop, this should work fine, no problem 5. on the PC rename that folder 6. on the Mac drag a file to that renamed folder, this should error with the following message; a. You cannot copy some of these items to the destination because their names are too long for the destination. Do you want to skip copying these items and continue copying the other items? b. Select skip, response is the filename is copied to the location with zero or small byte size. Try opening it and you get file is corrupted error message. What we did to demonstrate scenario 2; 1. setup a PC and Mac side-by-side 2. login to our server and open up to a central location on both Mac and PC 3. on the PC in that central location create a folder then create a subfolder 4. copy some content into the subfolder 5. on the Mac in that central location drag the created top level folder to the Mac desktop, this should work fine, no problem 6. on the PC rename that subfolder 7. on the Mac drag that top level folder to the Mac desktop, this should error on the Mac with the following; a. The operation cannot be completed because you do not have sufficient privileges for b. The operation cannot be completed because you do not have sufficient privileges for 8. on the Mac, if you open that subfolder you can see the file copied in step 4 above but, you can not open that file, you get the following message if you try; a. There was an error opening this document. You do not have permission to open this file. 9. on the PC drag some content into the top level folder 10. on the Mac you can open that file directly from the server or copy it locally, no problem, however-the subfolder is still corrupted or locked, whichever 11. on the PC rename the top level folder 12. on the Mac that same file just opened in step 10 above is now not accessible, get the following message; a. The document could not be opened. I have observed some variances in the above. For instance, a change on the PC side may take a moment before you can observer or act on the Mac side - kind of like the server is slow to respond. Also, the error message may vary. However, the key is once a folder, or subfolder, gets renamed by a PC, Mac problems commence. The solution is to create a new folder from a PC and copy the contents of the corrupted folder to the new folder and not rename the folder name. This has to be done on a PC because the corrupted folder is not accessible by a Mac user. Another problem that dovetails with the above is that we know certain characters are not allowed for PC folder or filenames. If a Mac user creates a folder with a slash in the file name, from the PC the user does not see that slash in the name. As soon as the PC user copies a file to that folder, the Mac user is locked from that folder. Will get the following error message; - Sorry, the operation could not be completed because an unexpected error occurred. - (Error code - 50) In addition to the above mentioned character issue with folders, the problem is more evil with filenames. If, for example, you create a file with a slash in the filename on a Mac and copy it to the server you will get the following error message; - You cannot copy some of these items to the destination because their names are too long for the destination. Do you want to skip copying these items and continue copying the other items? Select either Stop or Skip buttons. It does not matter which button is selected. The file name gets copied to the destination location at a reduced size. Depending on the file type, the icon associated with the file may or may not be present. Furthermore, if you open that file on the server you will get the following message; - Couldnt open the file. It may be corrupt or a file format that doesnt recognize. From the users perspective, if they are not observant of the icon or file size, they may disregard the error message and think their file has copied as intended. Only later do they discover the file is corrupt if they open that file. I want to make a note on this problem. It is the PC causing the issue. You can change folder and file names all day on a MAC and you don't have a problem as long as a character is not the issue. Once you change the file name or folder name from a PC the entire folder structure from that level down is corrupted. But it has to be resolved from a PC by creating a new folder and copying the contents to the new folder like stated above. Is something not configured correctly? SUSE Linux Enterprise Server 10 (x86_64) VERSION = 10 PATCHLEVEL = 2 LSB_VERSION="core-2.0-noarch:core-3.0-noarch:core-2.0-x86_64:core-3.0-x86_64" Novell Open Enterprise Server 2.0.1 (x86_64) VERSION = 2.0.1 PATCHLEVEL = 1 BUILD Note: We use Novell clients on all windows systems to connect to the servers for file access and network storage. We use AFP to allow OSx systems to connect to servers.

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• Alternative SMTP-Proxy

  - by Uwe

  Currently we are using bitdefender for mail servers to scan for spam, viruses and content filtering. We chose bitdefender as it receives all incoming emails and forwards them to our internal windows IIS SMTP-service. Bitdefender is also the protection for our SMTP to not be used as spam relay as it allows certain IPs to send from only. The question is: are there any alternatives to bitdefenser for mailserver?

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• Load Balancer sftp persistence when a server goes offline

  - by Cobra Kai Dojo

  Let's say we have the following scenario: We have two identical *nix servers using a shared filesystem. We connect through SFTP (not FTPS) to one of them to upload a file to the shared filesystem, the server goes offline and we get redirected to the second system which is still available. My question is, would there be any connection persistence or the user will have to relogin? I guess a relogin would be needed because the ssh sessions are not shared between the two systems... Thanks in advance :)

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• Suggested managed DNS provider?

  - by Arelius

  We own/manage a few domains (nothing too large or too trafficked). Currently our DNS servers are hosted onsite. For ease of management and lower-latency DNS requests we are interested in moving our Domains offsite, does anyone have recommendations for a good DNS provider?

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• Best tools for "ssh tail -f" style log file monitoring and analysis

  - by dougnukem

  I'm looking for a tool to monitor custom PHP Error logs/Apache and possibly Java logs on remote development servers. I'm not looking for a full production log system like Splunk, but something that's a little more flexible than an ssh terminal doing a "tail -f". Perhaps something that will: * Monitor multiple log files to my local machine for searching/analysis later * Allow "alerts" when certain strings appear in the log * Provide some kind of tabbed/dashboard view of the multiple logs being monitored (in total less than 10 logs).

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• Weird IIS with Windows Authentication + IE problem

  - by Paulius Maruška

  Hello. I have a website running on IIS and using Windows Authentication. All users that are configured to get access to the site are form a AD domain (not local users). In the properties of a Website, I have set to use the AD domain as the realm. Now, when using Firefox, Safari or Chrome - Everything is fine. When the user tries to open the site, he get's the login box. he enters simply "username" and "password" (let's pretend that it's an actual login and password :P) and he get's into the site. When using IE, however, things get nasty. When the user tries to open the site - he get's the login box. User enters the "username" and "password" again, but those get rejected! And when the second time login box pops up - it has the username filled in as "web-server-domain-name\username" which is wrong, because web-server-domain-name is not the domain where all users reside (it's "ad-domain"). I've spent days trying to figure out what's going on... Note, that if I manually enter "ad-domain\username" - I get accepted into the site without problems. So, my guess is that IE sends wrong username if domain is not specified. Anyway, IE is the only browser that triggers this behavior! Is it possible to do a server-side fix? Maybe it's possible to somehow auto-map the users to AD users? If it's not solvable server-side - is there a client-side fix for this? Thank you. PS: I'm more of a programmer than a sys-admin, so configuring servers isn't the strong side of mine... :P UPDATE: @Evan: Yes, "Digest authentication for Windows domain servers" is also enabled. @Eric: IIS version is 6.0. The authentication methods enabled are: Integrated and digest - all other methods are disabled. As for the security log. I looked at it, when doing "username" and "password" login in Chrome/Firefox and when doing "ad-domain\username" and "password" login from IE - the generated log messages are the same (I see no difference, anyway). When entering "username" and "password" I don't see any errors in the security (or any other) log, so can't tell what method it's trying to use. UPDATE 2: As suggested by Eric in the comments - I played around with Fiddler... While playing with it, I noticed, that when "username" and "password" is entered in FF and IE - the "Authorization" header value (encrypted) sent by IE is longer (almost two times) than one sent by FF. I tried to disable Windows Integrated authentication and only leave the Digest enabled - that fixed the problem (meaning, IE used the right realm just like other browsers), but that caused bazillion other problems with my site, because with Digest - user impersonation on the server doesn't work (that causes problems, when connecting to database etc). Any ideas?

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• Erratic DNS name resolution

  - by alex

  Hi all, We have a client we host a web for (blog.foobar.es). We do not manage foobar.es's DNS setup, we just told them to point blog.foobar.es to our web server's IP. We have noticed that sometimes we cannot browse to blog.foobar.es, but we can browse to other sites on that server. Troubleshooting a bit using host(1) yields something funny: $ host blog.foobar.es 8.8.8.8 Using domain server: Name: 8.8.8.8 Address: 8.8.8.8#53 Aliases: Host blog.foobar.es not found: 3(NXDOMAIN) , being 8.8.8.8 one of Google's public DNS servers. However, sometimes the same server resolves the name correctly (!). Another funny thing, is that our ISP's DNS servers sometimes say: $ host blog.foobar.es 80.58.61.250 Using domain server: Name: 80.58.61.250 Address: 80.58.61.250#53 Aliases: blog.foobar.es has address x.x.x.x Host blog.foobar.es not found: 3(NXDOMAIN) Which I don't really understand. I've dug around using dig(1), and have noticed they've set up a SOA record for foobar.es: $ dig foobar.es ; <<>> DiG 9.7.0-P1 <<>> foobar.es ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59824 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;foobar.es. IN A ;; AUTHORITY SECTION: foobar.es. 86400 IN SOA dns1.provider.es. root.dns1.provider.es. 2011030301 86400 7200 2592000 172800 ;; Query time: 78 msec ;; SERVER: 80.58.61.250#53(80.58.61.250) ;; WHEN: Thu Mar 3 16:16:19 2011 ;; MSG SIZE rcvd: 78 ... which I'm completely unfamiliar with. Ideas? We can't really do much as we do not control DNS, but we'd like to point our clients in the right direction...

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• HP UX can not boot from Ignite Tape

  - by Spirit

  We have hp rp2470 server running hp-ux 11.00, with LVM mirroring. As for redundancy we have second rp2470 same hw (same two processors, same ram, same two hdd’s, same number of lan cards). I want to clone first one to the second. For that purpose I am making ignite tape with the following command: make_tape_recovery -x inc_entire=vg00 Ignite tape finishes without problems. When I boot second server from this ignate tape, server is starting to boot, and ignite restore finishes without any errors, only few notes, which are normal. However vmunix is not booting and when restore finishes, it boot to ISL prompt. From this I cannot boot /stand/vmunix. I tried to run recovery shell but no success. When recovery shell ask to do frecover to restore critical files, then I receive error: frecover(5405): unable to open /dev/rmt/0m At first I thought that the problem might be in the difference of the firmware version of the servers: fw version of production server is: Firmware Version 43.50 and fw version of backup server is: Firmware Version 42.19 So i did a fw upgrade of my backup server so that both servers are v43.50, and tried a recovery but again cant boot the system. Next I did another archive tape with -I (Interactive) flag: make_tape_recovery -I -x inc_entire=vg00 and tried recovery with it, again no good. I cannot find any error or warnings on ignite log, and I cannot boot hpux. I am only on ISL prompt. This is what i've noticed on the gsp logs: ************* SYSTEM ALERT ************** SYSTEM NAME: mcnfwim1 DATE: 07/27/2003 TIME: 10:18:49 ALERT LEVEL: 6 = Boot possible, pending failure - action required REASON FOR ALERT SOURCE: 8 = I/O SOURCE DETAIL: 6 = disk SOURCE ID: 0 PROBLEM DETAIL: 0 = no problem detail LEDs: RUN ATTENTION FAULT REMOTE POWER FLASH OFF ON ON ON LED State: Boot Failed. Running non-OS code. Check Chassis and Console Logs for error messages. 0x00000060860010B0 00000000 00000000 - type 0 = Data Field Unused 0x58000860860010B0 00006706 1B0A1231 - type 11 = Timestamp 07/27/2003 10:18:49 And another gsp log: Log Entry # 3 : SYSTEM NAME: mcnfwim1 DATE: 07/27/2003 TIME: 10:12:20 ALERT LEVEL: 6 = Boot possible, pending failure - action required SOURCE: 8 = I/O SOURCE DETAIL: 6 = disk SOURCE ID: 0 PROBLEM DETAIL: 0 = no problem detail CALLER ACTIVITY: 1 = test STATUS: 0 CALLER SUBACTIVITY: 0B = implementation dependent REPORTING ENTITY TYPE: 0 = system firmware REPORTING ENTITY ID: 00 0x00000060860010B0 00000000 00000000 type 0 = Data Field Unused 0x58000860860010B0 00006706 1B0A0C14 type 11 = Timestamp 07/27/2003 10:12:20 Type CR for next entry, - CR for previous entry, Q CR to quit. Please note that I can not change anything on the production server. I can only make changes to the backup server. Any help is appreciated.

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• Buying Microsoft SQL Server 2008 Web Edition

  - by Marco

  I want to buy Microsoft SQL Server 2008 Web Edition in order to remotely install it on the server. The question is: Can I buy a licence in USA and pay in US dollars? OR do I have to buy it in my country (Portugal)? Since the servers are in Germany, should I buy the licence in Germany? (And if anyone know a good reseller I would apreciate)

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• Slow ASP.NET site using IIS6

  - by lars

  Hi, I have two servers, one virtual and one physical, running the exact same site on both machines. Both machines are running on ~ 2% CPU load and very much RAM available for usage. Somehow the site, with cache turned off ofcourse, loads in ~ 500ms on the virtual machine (which is a dev-server by the way) but almost 3 full seconds on the physical machine. They're both running Server 2003, IIS6 aswell as asp.net version 2.0 Any ideas where I can start troubleshoot this? Best Regards LP

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• resolv.conf not working properly with Ethernet in Ubuntu

  - by Mark Z.

  I have a Lenovo X200 laptop on which I am running Ubuntu 9.10. Recently, (I assume after some updating, but I really don't know) my ethernet port stopped working under Linux. A more tech/linux-savvy friend of mine was able to temporarily fix the problem by manually editing the resolv.conf file with the DNS servers he found through his connection. However, after rebooting, the problem came back and now I am looking for a more permanent solution.

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• How can I restart yum?

  - by Rob

  on my server, yum is using a LOT of system resources. My friend suggested to kill -9 it, but I want to know I'll be able to restart it first. Preferably without rebooting the whole server. However, I'd also like some alternatives, I'd rather know WHY yum is taking up all these resources. I'm fairly new to running servers, so I'd appreciate any help.

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• TTL for PTR records on Windows 2003 Server DNS

  - by Kyle Brandt

  When I look at the TTL (Time to Live) for PTR records (Reverse Lookup Zone) on one of our Windows 2003 DNS servers I see some are at 15 minutes, others are at 20. They have "Delete this record when it becomes stale" checked. These PTR records are for workstations that get IPs from Windows DHCP, so I think that creates the PTR records dynamically? How is TTL for these records set?

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• How do I turn off IE's protected mode in Windows 2008 R2?

  - by Jonathan Allen

  How do I turn off IE's protected mode in Windows 2008 R2? I'm building development servers, and it is just getting in the way.

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• ISC DHCP - Force clients to get a new IP address, instead of the being re-issued their previous lease's IP

  - by kce

  We are in the middle of a migration of our DHCP and DNS services from a Debian-based server to a Windows Server 2008 R2 implementation. The Debian server is running isc-dhcpd-V3.1.1. All of workstations are configured to have fixed-addresses between .3 and .40 (the motivation behind that choice is mostly management/political much like here). DHCP leases are given out in the range of .100 to .175. Statically configured servers live in the .200 block and above (which is mostly empty). When we move to the Windows platform, management/political considerations require me to move the IP ranges around again. We would like to keep .1 - .10 reserved for network appliances, switches, and other infrastructure. .200 will remain designated for servers. The addressing space in between should be available to clients and IPs should be dynamically allocated (Edit: instead of automatic as originally mentioned) by the server. My Address Pool on the Windows Server looks like this: 192.168.0.1 192.168.0.254 (Address range for distribution) 192.168.0.1 192.168.0.10 (IP addresses excluded from distribution) 192.168.0.200 192.168.0.254 (IP addresses excluded from distribution) Currently, we have all of our clients still on the .3 - .40 range, and a few machines still active in the .100 - .175 (although there are lots devices that are powered off that still have expired leases with IPs from that range). Since the lease "database" isn't shared between the old and new DHCP server how can I prevent clients from receiving a lease with an IP address that is currently being held by client with a non-expired lease from the old DHCP server? If I just expand the range on the Debian DHCP server to be 192.168.0.10 - 192.168.0.199 is there a way to force clients to not re-use their old IP address when they send their DHCPDISCOVER? Can I make the Windows DHCP server be authoritiative like the ISC implementation? The dhcpd.conf from the Debian server: ddns-update-style none; authoritative; default-lease-time 43200; #12 hours max-lease-time 86400; #24 hours subnet 192.168.0.0 netmask 255.255.255.0 { option routers 192.168.0.1; option subnet-mask 255.255.255.0; option broadcast-address 192.168.0.255; range 192.168.0.100 192.168.0.175; } host workstation-1 { hardware ethernet 00:11:22:33:44:55; fixed-address 192.168.0.3; } ... and so on until 192.168.0.40

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• Postfix check outgoing mail for spam

  - by gms8994

  How can I force postfix to check (and log/flag/etc) all outgoing mail for spam? Just want to make sure I'm doing my part on my servers.

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• How to get more information from the system crash

  - by viraptor

  I'd like to debug an issue I'm having with a linux (debian stable) server, but I'm running out of ideas of how to confirm any diagnosis. Some background: The servers are running DL160 class with hardware raid between two disks. They're running a lot of services, mostly utilising network interface and CPU. There are 8 cpus and 7 "main" most cpu-hungry processes are bound to one core each via cpu affinity. Other random background scripts are not forced anywhere. The filesystem is writing ~1.5k blocks/s the whole time (goes up above 2k/s in peak times). Normal CPU usage for those servers is ~60% on 7 cores and some minimal usage on the last (whatever's running on shells usually). What actually happens is that the "main" services start using 100% CPU at some point, mainly stuck in kernel time. After a couple of seconds, LA goes over 400 and we lose any way to connect to the box (KVM is on it's way, but not there yet). Sometimes we see a kernel reporting hung task (but not always): [118951.272884] INFO: task zsh:15911 blocked for more than 120 seconds. [118951.272955] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [118951.273037] zsh D 0000000000000000 0 15911 1 [118951.273093] ffff8101898c3c48 0000000000000046 0000000000000000 ffffffffa0155e0a [118951.273183] ffff8101a753a080 ffff81021f1c5570 ffff8101a753a308 000000051f0fd740 [118951.273274] 0000000000000246 0000000000000000 00000000ffffffbd 0000000000000001 [118951.273335] Call Trace: [118951.273424] [<ffffffffa0155e0a>] :ext3:__ext3_journal_dirty_metadata+0x1e/0x46 [118951.273510] [<ffffffff804294f6>] schedule_timeout+0x1e/0xad [118951.273563] [<ffffffff8027577c>] __pagevec_free+0x21/0x2e [118951.273613] [<ffffffff80428b0b>] wait_for_common+0xcf/0x13a [118951.273692] [<ffffffff8022c168>] default_wake_function+0x0/0xe .... This would point at raid / disk failure, however sometimes the tasks are hung on kernel's gettsc which would indicate some general weird hardware behaviour. It's also running mysql (almost read-only, 99% cache hit), which seems to spawn a lot more threads during the system problems. During the day it does ~200kq/s (selects) and ~10q/s (writes). The host is never running out of memory or swapping, no oom reports are spotted. We've got many boxes with similar/same hardware and they all seem to behave that way, but I'm not sure which part fails, so it's probably not a good idea to just grab something more powerful and hope the problem goes away. Applications themselves don't really report anything wrong when they're running. I can run anything safely on the same hardware in an isolated environment. What can I do to narrow down the problem? Where else should I look for explanation?

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• Unable to start sql service when TCP/IP is enabled under SSCM - SS Network Configuration

  - by ebel

  I get error 10048. and this in event history: The SQL server service terminated with server-specific error. Only one usage of each socket (protcol/network address/port) is normall permitted. Any idea howto fix this ? Port set is the default 1433... If this is turned off, which is default of course, SQL service starts like a champ. I have done this config many times on other servers with no problem.

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• NFS robustness or weaknesses

  - by Thomas

  I have 2 web servers with a load balancer in front of them. They both have mounted a nfs share, so that they can share some common files, like images uploaded from the cms and some run time generated files. Is nfs robust? Are there any specific weaknesses I should now about? I know it does not support file locking but that does not matter to me. I use memcache to emulate file locking for the runtime generated files. Thanks

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• What is the correct temperature for a server room?

  - by ffffff

  When I was working in our server room, I noticed that it was very cold. I know that the server room has to be cold to offset the heat of the servers, but perhaps it is TOO cold. What is an appropriate temperature to keep our server room at?

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• Which free VNC server works well with Windows 7 and how to advertise it via Samba for control by a M

  - by GJ

  Hi I need to control a Windows 7 PC via VNC from a Mac in an office LAN. Since the IPs are dynamically assigned, I'd like the PC to appear in my "Places" and in the automatically detected nearby servers in VNC client I'm using -- both of which require the PC to advertise its VNC server via Samba (right?). I tried installing ultravnc, which works when I access it directly by IP, but it doesn't seem to advertise itself in the network. Any ideas?

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• Shares on Hyper-V Host or Guest?

  - by Lazlow

  I'm about to deploy a Hyper-V Server, that will have 2 local drives: 250GB for VMs, 2TB for Shares. Does Hyper-V Server (standalone, not as a role) allow you to setup Network Shares? Or will I have to setup a VM with the 2TB drive allocated to it, for setting up the Shares? If Hyper-V supports Shares, would there be a performance benefit? The Shares will be used by both the VMs on the Hyper-V Server and other Servers within the Network.

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• What is the best desktop KVM?

  - by Mat

  What is the best KVM for a programmer? I need to switch between a locked-down corporate box and my development machine rather than between servers. I've used a Black Box four port PS/2 VGA KVM switch for many years, but with the advent of USB-only PCs and DVI I need to upgrade as it doesn't play well with USB to PS/2 converters. My ideal features: USB keyboard and mouse input/output dual monitor switching four ports, but two would do at a push switch on middle mouse click, or from a keyboard hotkey at a pinch

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