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• What version of SCO Open Server are guys using out there and on what hardware?

  - by Gath

  I have some old applications which are running on SCO Open Server 5.0.5, and i would love to move them to SCO Open Server 5.0.7 and on modern hardware(servers), currently am running SCO on old IBM PL 300 personal computer, on 92MB Memory, one processor, and it has been serving the clients pretty well. Now i have New Modern IBM xseries Servers and i would love to migrate the same applications to those new servers. Problem is, SCO 5.0.5 is unable to detect some of the hardware components in the new servers. I read somewhere that SCO 5.0.7 is able to detect the newer hardware even the USB ports etc. Is there anyone running SCO Openserver out there, and on what hardware architecture are they running on? Gath

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• MySQL 5.5 on Windows server is horribly slow

  - by Brad

  I have had no luck getting MySQL 5.5 to be as fast as 5.1 or MariaDB on the exact same hardware/database/environment under Windows server 2003R2 or 2008R2. My benchmarks from our application: MySQL 5.5 + CentOS 5.2 (XenServer Virtual) = 28 seconds (box is "busy" not buried) MariaDB (5.1) + Windows 2003 (Physical box) = 130 seconds (box is 2% busy) MySQL 5.1 + Windows 2003 (Physical box) = 170 seconds (box is 2% busy) MySQL 5.5 + Windows 2003 (Physical box) = 305 seconds (As high as 600 seconds...) (box is 2% busy) The only difference between these runs is the removal of skip-locking and the running of mysql_upgrade.exe to update some tables for stored procs on 5.5. Yes, I know it's a release candidate, I'm feeding that back to MySQL as well. No slow queries are logged, it doesn't think it's being slow, it just is. I'm going to start tearing into the queries themselves to see if the INSERT/SELECT plans have gone buggo on 5.5. Any help would be appreciated! Thanks

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• Linux halts every few seconds

  - by Zeppomedio

  We're having an issue where one our Linux boxes (Ubuntu 10.04 LTS, running on EC2 with a quadruple-large size, 68GB of RAM and 8 virtual cores with 3.25GHz each) freezes up every few seconds. Typing in an ssh session will freeze, and running strace on one of the Postgresql processes that's running usually shows: 02:37:41.567990 semop(7831581, {{3, -1, 0}}, 1 for a few seconds before it proceeds (it always gets stuck at that semop). OProfile shows that most of the time is spent in the kernel (60%) versus 37% in Postgresql. The result of these halts (which began suddenly a day ago) is that load on the box has gone from 0.7 to 10+, and causes our entire stack to slow done. Any ideas on how to track down what's going on? iostat doesn't show the disks being particularly slow or overloaded, and top shows user cpu % spike from 8% to about 40% whenever these back-ups happen.

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• Windows does not detect any modems anymore[HSPA]

  - by Shenal Silva

  By an accident i uninstalled my Connect manager (ZTE). but when i re-install it the virtual CD drive is detected but it does not detect the drivers. When i direct to the folder containing the relevant drivers(.sys files) still it doesnt detect. Then i tried a modem of a different brand Huawei the same problem presists As i understand it is not a device(brand) driver specific issue as it does not detect modem(dongles) of any brand. when i plugged in a different USB device(a pen drive) the driver is detected and it works perfectly. Please help me with the issue i have tried system restore but it doesnt work. I want a repair that works without re-installing windows [Edit] I tried Karan's suggested method with usboblivion it didnt work. now im sure that the issue does not deal with the registry

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• What's the difference between keepalived and corosync, others?

  - by Matt

  I'm building a failover firewall for a server cluster and started looking at the various options. I'm more familiar with carp on freebsd, but need to use linux for this project. Searching google has produced several different projects, but no clear information about features they provide . CARP gave virtual interfaces that failover, I am not really clear on whether that's what corosync does, or is that what pacemaker does? On the other hand I did get manage to get keepalived working. However, I noted that corosync provides native support for infiniband. This would be useful for me. Perhaps someone could shed some light on the differences between: corosync keepalive pacemaker heartbeat Which product would be the best fit for router failover?

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• IIS requesting certificates even though set to ignore

  - by lupefiasco

  I have a web site in IIS 6 with directory security set to Require secure channel (SSL) and Require 128-bit encryption. Also, the Client certificates setting is set to "Ignore client certificates". When I hit https://servername/resource in Internet Explorer and Chrome , I am prompted for a certificate. I can cancel the prompt, and the resource will load, but I don't want to see this prompt at all. I looked at the virtual directories and resources within the web site, and they all have the ignore client certificates setting on. Could there be another setting, perhaps in the metbase, that is overriding the web site's directory security settings?

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• spoolsv.exe consumes all CPU and RAM resources

  - by pcampbell

  Consider a Windows 7 x64 installation with 2 printers installed. The system has 8GB installed RAM. One printer is a Brother laser MFC-8220 Printer via TCP/IP, and the other is a CutePDF printer. Problem: the spoolsv.exe regularly eats obscene amount of memory and CPU when the machine is idle. Usually the device is powered off. Turning it on has no effect on the RAM or CPU usage. The first consideration was that perhaps a print job has previously been sent to the Brother, but the queues are empty, and no jobs are waiting. These screenshots do not show, but regularly the spoolsv service will consume all 8GB and climb to use 95-100% of the CPU. The two printers - a Brother and the CutePDF printer both have 0 documents in their respective queues. Question: what measures can I take to ensure the spoolsv.exe doesn't consume inappropriate amounts of CPU and RAM?

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• Which Apache modules are safe to disable?

  - by Gaia

  Each Apache process is using about 70MB of private/rss memory, so I would like to lean them up a bit. The server runs Magento and Wordpress only. PHP is run as fcgid. Which modules would you consider safe to disable? Loaded Modules: core_module (static) mpm_prefork_module (static) http_module (static) so_module (static) auth_basic_module (shared) auth_digest_module (shared) authn_file_module (shared) authn_alias_module (shared) authn_anon_module (shared) authn_dbm_module (shared) authn_default_module (shared) authz_host_module (shared) authz_user_module (shared) authz_owner_module (shared) authz_groupfile_module (shared) authz_dbm_module (shared) authz_default_module (shared) ldap_module (shared) authnz_ldap_module (shared) include_module (shared) log_config_module (shared) logio_module (shared) env_module (shared) ext_filter_module (shared) mime_magic_module (shared) expires_module (shared) deflate_module (shared) headers_module (shared) usertrack_module (shared) setenvif_module (shared) mime_module (shared) dav_module (shared) status_module (shared) autoindex_module (shared) info_module (shared) dav_fs_module (shared) vhost_alias_module (shared) negotiation_module (shared) dir_module (shared) actions_module (shared) speling_module (shared) userdir_module (shared) alias_module (shared) substitute_module (shared) rewrite_module (shared) proxy_module (shared) proxy_balancer_module (shared) proxy_ftp_module (shared) proxy_http_module (shared) proxy_ajp_module (shared) proxy_connect_module (shared) cache_module (shared) suexec_module (shared) disk_cache_module (shared) cgi_module (shared) version_module (shared) sed_module (shared) security2_module (shared) unique_id_module (shared) fcgid_module (shared) evasive20_module (shared) perl_module (shared) php5_module (shared) ssl_module (shared) dav_svn_module (shared) authz_svn_module (shared)

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• Openfire Installation Issue - Can't Login to admin panel

  - by Lobe

  I am trying to get Openfire to install on an Ubuntu virtual machine, however upon completing the web based installer, I am unable to login to the admin panel. So far I: downloaded debian installer Installed using stock options Added database and built the structure using supplied sql file Completed web based installer I am now trying to login using username: admin and my password, however I constantly get a wrong username/password error. There is a record generated in the MySQL DB showing the admin user with an encrypted password, and changing to an unencoded password doesn't work. Can anyone help pinpoint the problem here? Thanks

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• PHP crashing on occasion - APC error?

  - by papanel

  Any thoughts on this? We've had this happen twice recently. Basically, every page throws a fatal error, fixed by an apache restart. Here's what's in the log, repeated over and over. [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:12 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 [Tue Apr 13 15:18:13 2010] [error] [client 10.0.0.2] PHP Fatal error: Internal Zend error - Missing class information for in /www/sites/ep/vogoo/items.php on line 31 Looking around, this may be an issue with APC? http://pecl.php.net/bugs/bug.php?id=16120&edit=1 (We're running 3.0.19, which shows as latest stable on pecl.) Thoughts? I increased the amount of memory apc uses, but the problem just happened again.

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• USB Thumb Drive not recognized in Hyper-V Manager

  - by Vazgen

  I have the free, standalone core Hyper-V Server 2012 running on my physical machine. I set up remote management from my Windows 8 client. When I proceed to create a virtual machine I would like to install the OS from a usb thumb drive but it is not recognized in Hyper-V Manager on my client (when the USB is plugged into the physical server) nor is it recognized in Server Manager under File and Storage Services Volumes Is there a role needed to recognize external usb flash drives? Because I think this standalone version is just core Hyper-V role and that's it... but this is such a basic functionality. Can anybody comment.

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• Hyper-V Manager: right-clicking on remote VM crashes MMC snap-in

  - by Greg Bray

  I have a Windows Server 2008 R2 Enterprise SP1 machine that I log into and use to manage virtual machines running on multiple Hyper-V servers on our domain. Sometimes, when I right-click on a remote VM, the Hyper-V Manager will crash and display the following error message: If I use the Actions menu on the lower right, it works just fine, but for some reason right-clicking causes MMC to stop working. Is there any way to fix this issue? Here are the full details of the error message. Description: Stopped working Problem signature: Problem Event Name: CLR20r3 Problem Signature 01: mmc.exe Problem Signature 02: 6.1.7600.16385 Problem Signature 03: 4a5bc808 Problem Signature 04: Microsoft.Virtualization.Client Problem Signature 05: 6.1.0.0 Problem Signature 06: 4ce7c9e3 Problem Signature 07: 342 Problem Signature 08: 1f Problem Signature 09: System.OverflowException OS Version: 6.1.7601.2.1.0.274.10 Locale ID: 1033 Read our privacy statement online: http://go.microsoft.com/fwlink/?linkid=104288&clcid=0x0409 If the online privacy statement is not available, please read our privacy statement offline: C:\Windows\system32\en-US\erofflps.txt

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• Need help trouble shooting Https webserver error - SSL Handshake failed

  - by DerNalia

  I followed this guide: http://hints.macworld.com/article.php?story=20041129143420344 Here is my virtual host definition <VirtualHost *:443> SSLEngine on SSLProxyEngine On RequestHeader set Front-End-Https "On" CacheDisable * SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL DocumentRoot "/Users/me/projects/myproject/public" ServerName ssl.mydomain.com ServerAlias *.ssl.mydomain.com SSLCertificateKeyFile "/private/etc/apache2/certs/webserver.nopass.key" SSLCertificateFile "/private/etc/apache2/certs/newcert.pem" SSLCACertificateFile "/private/etc/apache2/certs/demoCA/cacert.pem" SSLCARevocationPath "/private/etc/apache2/certs/demoCA/crl" ErrorLog "/Users/me/Desktop/ssl.log" ProxyPass / https://localhost:3002/ ProxyPassReverse / https://localhost:3002 ProxyPreserveHost on </VirtualHost> And when I try connecting to the sevre viov the web browser, I get this error: [Thu Feb 02 16:50:40 2012] [error] (502)Unknown error: 502: proxy: pass request body failed to 127.0.0.1:3002 (localhost) [Thu Feb 02 16:50:40 2012] [error] [client 96.11.81.39] proxy: Error during SSL Handshake with remote server returned by /session/new [Thu Feb 02 16:50:40 2012] [error] proxy: pass request body failed to 127.0.0.1:3002 (localhost) from 96.11.81.39 () how do I debug / fix this?

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• Laptop as server [closed]

  - by Parhs

  My client wants to use a cheap AMD E-300 ,5400 rpm disk,4gb memory laptop as a POS server and music player at the same time with dual screen. I couldnt convince him that this wouldnt be a good choice. The applications are a database a music player ,and the .net 4 application. I am afraid of performance issues. However the reasons for this choice is that laptop takes not much space ,easy dual screen for music player and application ,can easilly be replaced and that it will last forever as none of his laptops are ever broken. I believe that this is a good idea but i feel thats something wrong there. Do you believe that is an ok choice?

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• Windows 2008 terminal server - How to restrict access to DVD/floppy?

  - by test1839

  I has a very simple task. I need to block access to removable media (CD, DVD, floppy, USB drives etc.) on a Windows 2008 R2 Terminal Server for users and allow it for admins. I tried to enable the following policy in GPO: User Configuration/Administrative Templates/System/Removable Storage Access All Removable Storage classes: Deny all access = Enabled But it did not work. I tried different physical and virtual 2008 servers with the same result. It works on Windows 7 but not on Windows 2008. Has anyone had success with this parameter on Windows 2008? Thank you

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• I can't run uwsgi as normal user

  - by atomAltera

  I want to run uwsgi server as www user, but if I write: uwsgi --socket $SOCKET --chmod-socket 666 --pidfile $PIDFILE --daemonize $LOGFILE --chdir $CHDIR --pp $PYTHONPATH --module main --post-buffering 8192 --workers 1 --threads 10 --uid www --gid www A socket creation error occurs: Log: 1 *** Starting uWSGI 1.4.1 (64bit) on [Mon Dec 10 22:15:23 2012] *** 2 compiled with version: 4.4.5 on 17 November 2012 23:31:14 3 os: Linux-2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012 4 nodename: autoblog 5 machine: x86_64 6 clock source: unix 7 pcre jit disabled 8 detected number of CPU cores: 2 9 current working directory: / 10 writing pidfile to /tmp/uwsgi_mysite.pid 11 detected binary path: /usr/local/bin/uwsgi 12 setgid() to 1002 13 set additional group 1004 (files) 14 setuid() to 1002 15 *** WARNING: you are running uWSGI without its master process manager *** 16 your memory page size is 4096 bytes 17 detected max file descriptor number: 1024 18 lock engine: pthread robust mutexes 19 unlink(): Operation not permitted [core/socket.c line 109] 20 bind(): Address already in use [core/socket.c line 141]

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• Cannot ping my domain-joined server - Can only ping domain controller - host unreachable

  - by Vazgen

  I have a HyperV Server hosting a Domain Controller VM (192.168.1.50) and another VM (192.168.1.51) joined to this domain. I have: domain controller as DNS server forward lookup zone for the domain with host record for 192.168.1.50 and 192.168.1.51 Windows client has primary DNS server set to 192.168.1.50 and secondary to my ISP I can ping 192.168.1.50 (domain controller) successfully but cannot ping 192.168.1.51 (domain-joined VM) When pinging from Windows client: ping 192.168.1.51 Reply from 192.168.1.129 : Destination host unreachable When pinging from Domain Controller: ping 192.168.1.51 Reply from 192.168.1.50 : Destination host unreachable I have 2 virtual network adapters one PRIVATE for intranet (set to static IP 192.168.1.51) and one PUBLIC for internet with a dynamic IP. I noticed the the PUBLIC one inherited the "mydomain.com" domain subtitle after joining the domain... I don't know what this meant but it seemed more intuitive to me to switch THIS ONE to have the static IP. After I configured that I still could not ping but now I get: ping 192.168.1.51 Request timed out What seems to be the issue, I'm relatively new to networking.

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• Munin "Disk usage" is too high?

  - by f-aminov

  I've recently installed munin on my VMware client server and saw that the Disk usage shows about 80-90%. Everything else (cpu load, ram, etc.) seems to be running fine. I have only two virtual hosts on my server with 1000 users/day in total, so I don't think that's too much. Here is the graph for the disk usage. Server info: Debian Lenny, CPU 510Mhz, RAM 512MB Is it bad? What could possibly cause this? Thank you for any suggestions.

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• IIS seems to send email twice

  - by David Brunelle

  Hi, we have a request page in our website that send email to confirm the request. It seem that whenever this page is accessed, some (not all of them) are sent more than once at different time, sometime hours apart. The code (which is an old ASP page) looks fine as it sends only once to the recipient. So I doubt it's a programming related problem. When looking at the Exchange server, the tech told me that he seems to be receiving the request twice at different time, so the problem comes from what's between the code and Exchange. My hypothesis is that IIS seem to 'remember' the page and rerun it for some reason. Any hint on where to start? We have IIS 6 (in french if it makes any difference) with Exchange 2007. IIS is running on a Windows Server 2003 machine (virtual machine I believe) in a DMZ. I don't know about Exchange. Thank you.

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• Increase application performance on Amazon AWS

  - by Honus Wagner

  I've got a client with an MVC v1 (.NET) application running on a micro instance. On this instance, I've got .NET, IIS 7.5, and MS SQL Server 2008 running to handle the application. The client has reported that it is taking nearly 10 seconds to process each request. Even loading the initial login page takes about that long, then logging in takes that long, etc etc. The currently running instance specs are as follows: 615 MB RAM Intel Xenon CPU E5430 @ 2.66GHz 2.78 GHz 64-Bit Is the memory availability the issue? or is it the processing power? I forsee two options: Change to a larget instance Set up a 2-tier architecture with two micro instances Which of these will give the application better performance? Thanks in advance.

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• How can I make it difficult to install a new operating system on a certain computer?

  - by D W

  I want to host a website on a desktop computer running Ubuntu with a Windows virtual machine. I will give away the computer in exchange for a number of months of remote web hosting. I want to add some kind of lock (hardware or otherwise) so that the end users will have difficulty just reinstalling Windows and using the machine as they want, in contradiction to the contract. Ideally, I'd want the machine to die if reinstallation of the OS is attempted. It doesn't have to be completely insurmountable, but it has to be difficult enough to prevent casual reinstallation. Perhaps on bootup the system can check whether certain files exist on the computer and refuse to boot if they do not. I don't know if this is possible, but maybe BIOS is password protected, and searches for files before boot up. The files it looks for could be date sensitive, i.e. require remote replacement on a schedule.

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• How to separate Hyper-V Private network from the External network

  - by Ron Ratzlaff

  I am setting up a virtual test lab and I configured a domain controller VM running Windows 2008 R2 on my Hyper-V 2008 R2 server. I needed to download and install updates on it so I added an External NIC adapter and got that done. However, systems on my actual real physical domain were pulling IPs from this server and that was a big oopsy on my part so I immediately removed the External NIC adapter until I could find out how to go about keeping the Private and the External separate. If someone from the Server Fault community can help with this since I am pretty new to this, I would be very grateful. Thanks everyone.

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• Zabbix - Some of the monitored items don't refreh

  - by Niro

  I'm experiencing a strange issue with Zabbix monitoring a MySQL server. Most of the data from the server such as MySQL queries per second and MySQL uptime , Buffers memory etc. update nicely while some data like CPU iowait time (avg1) , Host local time ,MySQL number of threads and other items which were monitored in the past has last check time of about a week ago. I can't find any logic in this, for example Mysql number of threads and Mysql queries per second are obtained in a similar way so it does not make sense one of them is monitored and one is not. Please help- how can I fix this? Update - I used zabbix_get from the zabbix server to check one of the items on the zabbix client and it works so the problem must be on the zabbix server side

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• How to Remove a VM From Hyper-V Without Deleting the Configuration File?

  - by Steven Murawski

  I'm in the process of moving a number of virtual machines that are homed on shared storage (a file share, though shared cluster disk would work as well) to a new VM host with access to the same shared storage. The new host is a different build version (moving from Windows Server 2012 Beta to Windows Server 2012 RC - though this same process could be used with migrations of Windows Server 2008/2008 R2 to Windows Server 2012 as well), so I cannot migrate the machine with inbox tooling. I need to remove the VM from management of the source Hyper-V host in order to import the VM to the new Hyper-V host. I want to retain the configuration file, so I can import the VM as it stands and not need to reconfigure it. The VHD files are rather large and they are staying on the same file share, so I'd rather not duplicate them during the move process.

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• Network attached external harddrive from another computer.

  - by Paul Knopf

  I have a server that is setup in raid. It is on the same network as my main computer. I would like to have some of the memory on my server to act as a network attached drive on my main computer. Basically, I want it to be a new data drive (similar two C:\, but 2nd drives are mostly E:). That way, I can reformat my main computer without loosing any important data. And the data that is saved (on server E:\ drive) is secured via raid mirroring.

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