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Windows virtual wifi hostednetwork - set max number of clients?

- by user1327408

I'm building an app that has functionality that creates on the fly a new virtual wifi utilizing the Windows 7 / 2008 features. I can create it just fine, but am looking how to limit the maximum number of connections. By running a "netsh wlan show hostednetwork" command to view my settings - it shows (by default 100), but it HAS to be somewhere in the registry right? - I can't see any settings available for this either at the command line or using the api - so I have to assume it's stored in the reg. I see vwifi and hostednetwork registry keys in HKLM\System\CurrentControlSet\ - Wlansvc\parameters\hostednetworksettings, etc... but can't find any reference to add a "MaxClients" value (or similar) - would like to limit it to only one connection. Has anyone seen any references to this, or know how to do it?

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Error when installing SQL Server 2008 R2 Express

- by dretzlaff17

When installing SQL Server 2008 R2 from the command line prompt, I am getting the following error that is recorded in the Summary file. Scenario specific rules: Rules report file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20101217_131444\SystemConfigurationCheck_Report.htm Exception summary: The following is an exception stack listing the exceptions in outermost to innermost order Inner exceptions are being indented Exception type: System.ArgumentNullException Message: Value cannot be null. Parameter name: path2 Data: DisableWatson = true Stack: at System.IO.Path.Combine(String path1, String path2) at Microsoft.SqlServer.Configuration.SqlEngine.SqlEngineSetupPublic.RecomputeDirectoryPaths() at Microsoft.SqlServer.Configuration.SqlEngine.SqlEngineSetupPublic.Calculate() at Microsoft.SqlServer.Configuration.SetupExtension.FinalCalculateSettingsAction.ExecuteAction(String actionId) at Microsoft.SqlServer.Chainer.Infrastructure.Action.Execute(String actionId, TextWriter errorStream) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionInvocation.ExecuteActionHelper(TextWriter statusStream, ISequencedAction actionToRun) Has anyone seen this. Here is what I am sending for the command line parameters. /q /ACTION=Install /FEATURES=SQLEngine /SECURITYMODE=SQL /SAPWD="myPassword" /BROWSERSVCSTARTUPTYPE=Automatic /SQLSVCSTARTUPTYPE=Automatic /SQLSVCACCOUNT="NT AUTHORITY\Network Service" /SQLSYSADMINACCOUNTS="BUILTIN\ADMINISTRATORS" /AGTSVCACCOUNT="NT AUTHORITY\Network Service" /IACCEPTSQLSERVERLICENSETERMS

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Server Configuration / Important Parameter for 500Req/Second

- by Sparsh Gupta

I am configuring a server to be used as nginx server for a very heavy traffic website. It is expected to receive traffic from a large number of IP addresses simultaneously. It is expected to get 500Req/Second with atleast 20Million unique IPs connecting it. One of the problems I noticed in my previos server was related to iptables / ipconntrack. I am not aware of this behaviour and would be glad to know which all parameters of a ubuntu / debian (32/64) bit machine should I tweek to get maximum performance from the server. I can put in a lot of RAM on the server but mission critical task is the response times. We ideally dont want any connection to be hanging / timing out / waiting and want as low as possible overall response times. P.S. We are also looking for a kick ass freelancer system admin who can help us figuring / setting this all up. Reach me incase you have some spare time and interested in working on some very heavy traffic website servers.

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Slow NFS transfer performance of small files

- by Arie K

I'm using Openfiler 2.3 on an HP ML370 G5, Smart Array P400, SAS disks combined using RAID 1+0. I set up an NFS share from ext3 partition using Openfiler's web based configuration, and I succeeded to mount the share from another host. Both host are connected using dedicated gigabit link. Simple benchmark using dd: $ dd if=/dev/zero of=outfile bs=1000 count=2000000 2000000+0 records in 2000000+0 records out 2000000000 bytes (2.0 GB) copied, 34.4737 s, 58.0 MB/s I see it can achieve moderate transfer speed (58.0 MB/s). But if I copy a directory containing many small files (.php and .jpg, around 1-4 kB per file) of total size ~300 MB, the cp process ends in about 10 minutes. Is NFS not suitable for small file transfer like above case? Or is there some parameters that must be adjusted?

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httpd keeps crashing without any reference to why in the logs

- by Fred

I have the logs set to debug in the hopes of tracking down what's causing the crash, but I can't find anything. Here is the error_log. [Thu Jan 06 10:27:35 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 19999 for (*) [Thu Jan 06 14:47:04 2011] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec) [Thu Jan 06 14:47:04 2011] [info] Init: Seeding PRNG with 256 bytes of entropy [Thu Jan 06 14:47:04 2011] [info] Init: Generating temporary RSA private keys (512/1024 bits) [Thu Jan 06 14:47:04 2011] [info] Init: Generating temporary DH parameters (512/1024 bits) [Thu Jan 06 14:47:04 2011] [info] Init: Initializing (virtual) servers for SSL [Thu Jan 06 14:47:04 2011] [info] Server: Apache/2.2.3, Interface: mod_ssl/2.2.3, Library: OpenSSL/0.9.8e-fips-rhel5 [Thu Jan 06 14:47:04 2011] [notice] Digest: generating secret for digest authentication ... [Thu Jan 06 14:47:04 2011] [notice] Digest: done [Thu Jan 06 14:47:04 2011] [debug] util_ldap.c(2021): LDAP merging Shared Cache conf: shm=0xb9dc2480 rmm=0xb9dc24b0 for VHOST: server.fredfinn.com [Thu Jan 06 14:47:04 2011] [info] APR LDAP: Built with OpenLDAP LDAP SDK [Thu Jan 06 14:47:04 2011] [info] LDAP: SSL support available [Thu Jan 06 14:47:05 2011] [info] Init: Seeding PRNG with 256 bytes of entropy [Thu Jan 06 14:47:05 2011] [info] Init: Generating temporary RSA private keys (512/1024 bits) [Thu Jan 06 14:47:05 2011] [info] Init: Generating temporary DH parameters (512/1024 bits) [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(374): shmcb_init allocated 512000 bytes of shared memory [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(554): entered shmcb_init_memory() [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(576): for 512000 bytes, recommending 4266 indexes [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(619): shmcb_init_memory choices follow [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(621): division_mask = 0x1F [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(623): division_offset = 64 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(625): division_size = 15998 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(627): queue_size = 1604 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(629): index_num = 133 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(631): index_offset = 8 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(633): index_size = 12 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(635): cache_data_offset = 8 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(637): cache_data_size = 14386 [Thu Jan 06 14:47:05 2011] [debug] ssl_scache_shmcb.c(650): leaving shmcb_init_memory() [Thu Jan 06 14:47:05 2011] [info] Shared memory session cache initialised [Thu Jan 06 14:47:05 2011] [info] Init: Initializing (virtual) servers for SSL [Thu Jan 06 14:47:05 2011] [info] Server: Apache/2.2.3, Interface: mod_ssl/2.2.3, Library: OpenSSL/0.9.8e-fips-rhel5 [Thu Jan 06 14:47:05 2011] [warn] pid file /etc/httpd/run/httpd.pid overwritten -- Unclean shutdown of previous Apache run? [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26527 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26527 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26528 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26528 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26529 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26529 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26530 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26530 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26532 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26532 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26533 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26533 for (*) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26534 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26534 for (*) [Thu Jan 06 14:47:05 2011] [notice] Apache/2.2.3 (CentOS) configured -- resuming normal operations [Thu Jan 06 14:47:05 2011] [info] Server built: Aug 30 2010 12:32:08 [Thu Jan 06 14:47:05 2011] [debug] prefork.c(991): AcceptMutex: sysvsem (default: sysvsem) [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1854): proxy: grabbed scoreboard slot 0 in child 26531 for worker proxy:reverse [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1873): proxy: worker proxy:reverse already initialized [Thu Jan 06 14:47:05 2011] [debug] proxy_util.c(1967): proxy: initialized single connection worker 0 in child 26531 for (*) The logs are setup as: ErrorLog logs/error_log LogLevel debug LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined LogFormat "%h %l %u %t \"%r\" %>s %b" common LogFormat "%{Referer}i -> %U" referer LogFormat "%{User-agent}i" agent CustomLog logs/access_log common CustomLog logs/access_log combined ServerSignature On

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JVM memory initializazion error after windows update

- by gianni

We have three Windows Server 2003 with 2 GB RAM. Server1 tomcat 5.5.25 jvm version SUN 1.6.0_11-b03 Server2 tomcat 5.5.25 jvm version SUN 1.6.0_14-b08 Server3 tomcat 6.0.18 jvm version SUN 1.6.0_14-b08 For the three servers JVM parameters are: -XX:MaxPermSize=256m -Dcatalina.base=C:\Programmi\Apache Group\apache-tomcat-5.5.25 -Dcatalina.home=C:\Programmi\Apache Group\apache-tomcat-5.5.25 -Djava.endorsed.dirs=C:\Programmi\Apache Group\apache-tomcat-5.5.25\common\endorsed -Djava.io.tmpdir=C:\Programmi\Apache Group\apache-tomcat-5.5.25\temp vfprintf -Xms512m -Xmx1024m For some months everithing worked fine. Last friday we installed some windows updates. After the reboot tomcat doesnt start with error: Error occurred during initialization of VM Could not reserve enough space for object heap We reduced the parameter -Xmx1024m to -Xmx768m and now tomcat starts. But we need greater max heap size What happened to our servers ? Thanks in advance.

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Re-deploy Reports from SCOM 2007 R2 Management Packs

- by Gabriel Guimarães

I've migrated Reporting Services on a SCOM 2007 R2 install, and noticed that the reports have not being copied. I can create a new report, but the ones I've had because of the management packs are gone. I've tried re-applying the Management Packs however it doesn't re-deploy them and when I try to access for example: Monitoring - Microsoft Windows Print Server - Microsoft Windows Server 2000 and 2003 Print Services - State View - select any item and click Alerts on the right menu. I get the following error: Date: 12/24/2010 12:40:35 PM Application: System Center Operations Manager 2007 R2 Application Version: 6.1.7221.0 Severity: Error Message: Cannot initialize report. Microsoft.Reporting.WinForms.ReportServerException: The item '/Microsoft.SystemCenter.DataWarehouse.Report.Library/Microsoft.SystemCenter.DataWarehouse.Report.Alert' cannot be found. (rsItemNotFound) at Microsoft.Reporting.WinForms.ServerReport.GetExecutionInfo() at Microsoft.Reporting.WinForms.ServerReport.GetParameters() at Microsoft.EnterpriseManagement.Mom.Internal.UI.Reporting.Parameters.ReportParameterBlock.Initialize(ServerReport serverReport) at Microsoft.EnterpriseManagement.Mom.Internal.UI.Console.ReportForm.SetReportJob(Object sender, ConsoleJobEventArgs args) The report doesn't exist on the reporting services side. how do I re-deploy this reports? Thanks in advance.

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Apache error "No address associated with hostname" on Arch Linux (ZMLarch)

- by Eedoh

I'm trying to set up video surveillance system using IP cameras and ZoneAlarm on Arch Linux. I set up fixed IP address, I've managed to get streams from cameras, etc. However, after restart of the machine, I cannot start Apache again. I checked configuration of rc.conf, and saw that static IP configuration has been deleted, and also secondary nameserver in resolv.conf. Tried to re-write these with correct parameters, but now with no effect. This is tail of my /var/log/httpd/error_log file, after /etc/rc.d/httpd restart attempt [Fri Jan 29 04:20:45 2010] [alert] (EAI 5) No address associated with hostname: mod_unique_id: unable to find IPv4 address of "zmhost" Configuration failed Anybody have an idea on how could I fix this?

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How to get better video quality in Lync?

- by sinned

I want to use a ConferenceCam from Logitech to stream talks live via Lync. When I view the RAW webcam image via VLC, the quality is very good (but the latency is high because of buffering). However, when I stream it using Lync, the video gets blurry. Is there a way to ensure QoS in Lync or otherwise improve the video quality to (near-)native? I would rather have some dropped frames than a lower resolution where I can't read the slides. In my setup, I use Lync with an Office365-E3 contract, so I have no Lync-Server in my network. I thought about replacing Lync completely with VLC, but I first want to try Lync because VLC will probably cause firewall issues. Also, I haven't looked up the VLC parameters for less buffering, faster encoding, a bit lower resolution (natively it's more than HD) and streaming.

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Fedora12, XP and connection sharing via iptables

- by Paul L

Just a quick question ( I Hope ) To find out if what I'm trying is even possible. I am trying to share internet connection with Fedora12 as default gateway and XP machine hooked up via NIC using iptables commands as shown in Mark Sobell's book 'A Practical Guide To Fedora And Red Hat Enterprise Linux' These are the commands as placed in /etc/rc.local iptables -A FORWARD -i eth1 -o eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT iptables -A FORWARD -j LOG iptables -t NAT -A POSTROUTING -o eth1 -j MASQUERADE I did flip the in and out parameters to match my NIC configuration ( as opposed to example from book ) but other than that followed example. One thing to note is that Sobell did not mention whether this should work with mix of Linux and XP. One other note ( maybe meaningless ) is that I do have samba working between the two machines. Thanks for any insights anyone might have. PL

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dhcpd: varying vendor-class-identifier

- by jessicah

I'm having trouble selectively sending parameters in response to a DHCP Inform packet using groups (or even without, just using host declarations) for bootp stuff. My configuration file right now looks like: subnet 130.123.131.128 netmask 255.255.255.128 { allow unknown-clients; } host dev-mac-09 { option vendor-class-identifier "example-identifier"; hardware ethernet 10:9a:dd:51:ff:83; } If I put vendor-class-identifier in the global scope, using tcpdump I can see that the client receives the vendor class option successfully. If I take it out, and just keep it in the host scope (or group scope), the client never receives the option. Specifying option dhcp-parameter-request list 60 doesn't help either. I did try using a class definition inside a group, but then it applied even if the host wasn't a part of the group. As an aside, how do I get detailed logging? At least something to indicate what groups and things got used to generate the response to the client.

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VoIP Tunnel Implementation for SIP Client

- by Mahendra

I am planning to provide an option for tunneling in my SIP client. I have tried to search on web for open-source implementation of this, but couldn't find one. My questions are: 1) If I go writing down my own custom code for implementing the feature - What are the different parameters / cases that I should consider & what should be my approach to start it? 2) Is there any open source implementation for SIP Tunneling already available? Any inputs are appreciated. Thanks.

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Windows 2008 RRAS and PPPoE

- by Massimo

I'm trying to use Windows Server 2008's Routing and Remote Access Server to share an ADSL connection which uses PPPoE, but I'm having no luck. I can setup the connection as a broadband Internet connection in Windows, and it works. I can share it using Internet Connection sharing, and it works (but it's not what I need). I have installed and enabled the Routing and Remote Access Service and configured it for NAT with a demand-dial interface; I create the aforementioned interface using PPPoE with the exact same parameters used on the Windows connection; I connected it, and it seems to work: I can also see it gets its public IP address and DNS assigned correctly. But it just doesn't work. The server has no Internet connectivity at all, and PINGing anything on the Internet results in a cryptic "general error". Any help?

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How can I automate FTP downloads based on date without bi-directional syncing?

- by Bill

I have a particular FTP-related situation that I'm having trouble finding a solution for. I need an FTP download/syncing application that can operate within the following parameters: It must run under Windows (installing Python to be able to run a script or some such thing is an acceptable solution). It must be able to ignore files before a certain date (I want to start downloading new files, not all the files that exist in this very large FTP directory). I don't want bi-directional syncing (e.g. I don't want changes I make to the local files and directory structure to change the remote FTP server, the FTP server needs to be left completely alone). Automating it in some fashion would be ideal. What would you guys suggest? The solutions I'm turning up are all missing the mark in some fashion (e.g. they have bi-directional syncing or they have no way of starting the syncing today instead of trying to pull down the entire directory).

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How to pass bash script arguments to a subshell

- by Ralf Holly

I have a wrapper script that does some work and then passes the original parameters on to another tool: #!/bin/bash # ... other_tool -a -b "$@" This works fine, unless the "other tool" is run in a subshell: #!/bin/bash # ... bash -c "other_tool -a -b $@" If I call my wrapper script like this: wrapper.sh -x "blah blup" then, only the first orginal argument (-x) is handed to "other_tool". In reality, I do not create a subshell, but pass the original arguments to a shell on an Android phone, which shouldn't make any difference: #!/bin/bash # ... adb sh -c "other_tool -a -b $@"

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Terminal services and memory limits

- by Mark Wassell

Is there a way in Terminal Services to set limits on memory related parameters for a process. For example working set size and, possibly, if it makes sense, total virtual memory allocation for the session? To turn the question around, we have an application which cannot allocate as much virtual memory running on a terminal server as it can when running on a desktop PC (both I would expect to have a limit of 2GB for user mode address space) and I was wondering if there is another limit for processes or users on a terminal server. Perhaps even 2GB per user rather than per process.

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droid cam makefile understanding and error

- by nerorevenge

I tried installing the droid cam on my fedora 19 (64 bit) . Link to the droid cam application is here and whenever I try to install it , the Makefile which is as follows is invoked obj-m := v4l2loopback-dc.o all: make -C /lib/modules/`uname -r`/build M=`pwd` test: gcc test.c -o test clean: make -C /lib/modules/`uname -r`/build M=`pwd` clean insmod: sudo insmod v4l2loopback-dc.ko width=320 height=240 rmmod: sudo rmmod v4l2loopback-dc.ko and here is the error -- INSTALL: Webcam parameters: '320' and '240' -- INSTALL: Building v4l2loopback-dc.ko make -C /lib/modules/`uname -r`/build M=`pwd` make: *** /lib/modules/3.9.5-301.fc19.x86_64/build: No such file or directory. Stop. make: *** [all] Error 2 -- INSTALL: v4l2loopback-dc.ko not built.. Failure build happens to be a symbolic link.I was wondering what exactly is the makefile trying to and why is it failing?

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How can I connect a Windows 8 PC to a Samba domain

- by Paul

I am using Samba 3, and want to join my Windows 8 PC to the Samba domain. Windows 8 cannot join out of the box, so I added the following registry entries: HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters DWORD DomainCompatibilityMode 1 DWORD DNSNameResolutionRequired 0 And now it talks to the Samba server ok, however I get the following error: And I notice that the machine name created on the samba server does not match its name: win-8jq3fg1n74e$:x:30003:30003:Machine:/var/lib/nobody:/bin/false It is like it is using an internal name. The following is the error in the smb.log [2012/10/21 14:26:16.099520, 0] passdb/pdb_interface.c:348(pdb_default_create_user) _samr_create_user: Running the command `/usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false win-8jq3fg1n74e$' gave 9 [2012/10/21 14:26:28.143224, 0] lib/util_sock.c:474(read_fd_with_timeout) [2012/10/21 14:26:28.143420, 0] lib/util_sock.c:1441(get_peer_addr_internal) getpeername failed. Error was Transport endpoint is not connected read_fd_with_timeout: client 0.0.0.0 read error = Connection reset by peer.

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KVM CLI install for CentOS 6.3 defaults to Minimal Install

- by i.h4d35

So I now I've installed KVM (and its associated tools and packages- libvirt, VMM etc.). On the GUI (i.e using the VMM), installation works as its supposed to. However, when I try to create a VM using the command line interface, the OS (I am working with CentOS 6.3) defaults to a Minimal Install instead of giving me options to choose from at the time of installation. I am trying to install using the following command: virt-install \ --connect qemu:///system \ --virt-type kvm --name testVM2 \ --ram 512 --disk path=/var/lib/libvirt/images/testVM2.img,size=8 --vnc \ --cdrom /media/db18de8e-0853-49fb-80de-5c794d58a46f/CentOS-6.3- x86_64-bin-DVD1.iso \ --network network=default Specifying the OS-type or the OS-variant parameters doesn't make a difference. Is there something that I am missing out on or some other parameter that I must specify? Thanks in advance.

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Effect of NonBlockingSendSpecialBuffering setting on Windows

- by user52498

Recently I ran into some issue related to the UDP sending on Windows. When the application tries to send the packets over UDP in non-blocking mode, often it received socket error 10035 (WSAEWOULDBLOCK) in the send(), so likely that the socket buffer is full. I only seen this issue on Windows 2008 and did not see the same problem on Windows 2003. I was doing some research and found the following article (although it mention TCP) http://support.microsoft.com/kb/823764 At the bottom it mentioned updating of the registry value HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AFD\Parameters\NonBlockingSendSpecialBuffering to 1 But it didn't include further details Would anyone know what is the effect of setting this registry value and what does it do? I tried to research on the web but unable to find any reference, including the msdn website. Any help would be appreciated.

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Cannot run SSH or send commands to /etc/init.d/ssh

- by ThinkBohemian

When I attempt to execute any commands such as /etc/init.d/ssh restart or /etc/init.d/ssh start, I get no output. It just goes to the next command line (Ubuntu Hardy). I can even pass in junk parameters such as /etc/init.d/ssh asldkfjalskfdj and i get no warnings or error messages, it just goes to the next line. I can check in my processes: lsof -i :22 and don't see my ssh process. I also don't see my SSH process when i run: netstat -na --inet Any troubleshooting suggestions?

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Re-deploy Reports on SCOM Management Packs

- by Gabriel Guimarães

I've migrated Reporting Services on a SCOM 2007 R2 install, and noticed that the reports have not being copied. I can create a new report, but the ones I've had because of the management packs are gone. I've tried re-applying the Management Packs however it doesn't re-deploy them and when I try to access for example: Monitoring - Microsoft Windows Print Server - Microsoft Windows Server 2000 and 2003 Print Services - State View - select any item and click Alerts on the right menu. I get the following error: Date: 12/24/2010 12:40:35 PM Application: System Center Operations Manager 2007 R2 Application Version: 6.1.7221.0 Severity: Error Message: Cannot initialize report. Microsoft.Reporting.WinForms.ReportServerException: The item '/Microsoft.SystemCenter.DataWarehouse.Report.Library/Microsoft.SystemCenter.DataWarehouse.Report.Alert' cannot be found. (rsItemNotFound) at Microsoft.Reporting.WinForms.ServerReport.GetExecutionInfo() at Microsoft.Reporting.WinForms.ServerReport.GetParameters() at Microsoft.EnterpriseManagement.Mom.Internal.UI.Reporting.Parameters.ReportParameterBlock.Initialize(ServerReport serverReport) at Microsoft.EnterpriseManagement.Mom.Internal.UI.Console.ReportForm.SetReportJob(Object sender, ConsoleJobEventArgs args) The report doesn't exist on the reporting services side. how do I re-deploy this reports? Thanks in advance.

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How to change Chrome default search engine from regional one to google.com without loosing search suggestion

- by Karsus Ren

I want to use google.com instead of google.com.hk as my default search engine in Chrome. I tried to use custom search engine, but they all break search suggestions, not even something like https://encrypted.google.com/search?q=%s&{google:RLZ}{google:acceptedSuggestion} {google:originalQueryForSuggestion}{google:assistedQueryStats} {google:searchFieldtrialParameter}sourceid=chrome&ie={inputEncoding} which include parameters like acceptedSuggestion that seems to imply seach suggestions being enabled. But no, search suggestions still don't work. In addition. some websites suggest editing Local State file under Chrome's setting folder. I already tried that, and it didn't work at all. So, is there any way to use google.com as default search engine without breaking search suggestions?

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Connecting CR 2008 and Oracle database: "TNS file could not be opened"

- by anand

I am trying to connect to an Oracle database using CR 2008 drivers for oracle (specifically OLE db driver). When I try to connect I provide the correct connection parameters however I keep getting "TNS file could not be opened" error. I am very confused about this message does this mean I am missing some component? From my understanding the driver should be able to connect. Currently on the computer running Crystal reports there is only has Crystal reports 2008 installed. Do i need to install the oracle instant client on the CR computer in order to make a proper connection? Any suggestions would be greatly appreciated!

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Raw socket sendto() failure in OS X

- by user37278

When I open a raw socket is OS X, construct my own udp packet (headers and data), and call sendto(), I get the error "Invalid Argument". Here is a sample program "rawudp.c" from the web site http://www.tenouk.com/Module43a.html that demonstrates this problem. The program (after adding string and stdlib #includes) runs under Fedora 10 but fails with "Invalid Argument" under OS X. Can anyone suggest why this fails in OS X? I have looked and looked and looked at the sendto() call, but all the parameters look good. I'm running the code as root, etc. Is there perhaps a kernel setting that prevents even uid 0 executables from sending packets through raw sockets in OS X Snow Leopard? Thanks.

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