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• Fixed ruby/mysql connection with new libmysql.dll, and broke Apache in the process

  - by jmtoporek

  Ok so bit of background - all my development has been on a local Windows 7 machine. I had Apache with PHP/MySQL running with no issues. Been using ruby (1.9.3 and latest rails release 3.2.9) with built in webrick server, but had a devil of a time connecting to mysql. Did some research, updated my libmysql.dll file in c:/ruby/bin and it worked! Very happy... except now Apache stopped working. In my attempt to resolve the issue I found an older copy of libmysql.dll, renamed the new file, copied the old file back to c:ruby/bin and apache works, ruby does not. So I can take this ass backwards approach but obviously this seems pretty stupid. I was surprised that Apache was using the dll file in ruby/bin folder. I presume this is related to path variables perhaps? I guess I was hoping someone could direct me as to how I can use one dll file for apache and another for ruby. Or if you have some other smarter approach - I've smart enough to follow directions to install apache from scratch and enable php on windows as well as ubuntu, but I'm not much of a sys admin, just a semi competent web developer.

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• How to start MSSQL Server with corrupt model db

  - by Jordan McGuigan

  After moving some databases around (restoring, deleting, etc) we experienced an issue creating new databases. Specifically, When trying to create a new database MSSQL Server it failed because the "The database 'model' is marked RESTORING and is in a state that does not allow recovery to be run". As some online solutions suggested, we tried to Start and Stop the MSSQL Service. Service would not restart because "Could not create tempdb. You may not have enough disk space available. Free additional disk space by deleting other files on the tempdb drive" (FYI: the drive has 100gb of free space). Tried restarting the machine the MSSQL Server is running on. When the server came back online, we received the same error. We have tried deleting tempdb.mdf and restoring the modeldb from the templates folder, but neither of these solved the issue. We are unable to connect to the database, even in single user mode. Many of the online solutions have us running SQL commands against the server, but we are unable to connect (even in single user mode) to the DB to run commands against the server. Specific error messages: Database 'model' cannot be opened. It is in the middle of a restore. (Microsoft SQL Server, Error: 927) The SQL Server (MSSQLSERVER) service is starting. The SQL Server (MSSQLSERVER) service could not be started. A service specific error occurred: 1814. We need the server up and running again ASAP.

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• Why is my global security group being filtered out of my logon token?

  - by Jay Michaud

  While investigating the effects of filtered tokens on my file permissions, I noticed that one of my global security groups is being filtered in addition to the regular system-defined filtered groups. My Active Directory environment is a single-domain forest on the Windows Server 2003 functional level. I'll call the domain "mydomain.example.com". I am logged onto a Windows Server 2008 Enterprise Edition machine (not a domain controller) as a member of the "MYDOMAIN\Domain Admins" group and the "MYDOMAIN\MySecurityGroup" global security group (among others). When I run "whoami /groups" from an elevated command prompt, I see the full list of groups to which my account belongs as expected. When I run "whoami /groups" from a regular, non-elevated command prompt, I see the same list of groups, but the following groups are described as "Group used for deny only". BUILTIN\Administrators MYDOMAIN\Schema Admins MYDOMAIN\Offer Remote Assistance Helpers MYDOMAIN\MySecurityGroup Numbers 1 through 3 above are expected based on Microsoft documentation; number 4 is not. The "MYDOMAIN\MySecurityGroup" global security group is a group that I created. It contains three non-built-in global security groups, and these security groups contain only non-built-in user accounts. (That is, I created all of the accounts and groups that are members of the "MYDOMAIN\MySecurityGroup" global security group.) There are other, similar groups of which my account is a member that are not being filtered out of my logon token, and this group is not granted any specific user rights in the security settings of this computer or in Group Policy. What would cause this one group to be filtered out of my logon token?

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• virtualized windows 2003 domain with CentOS 5.3 and poor connectivity

  - by Chris Gow

  I have a test lab set up running a virtualized windows 2003 domain on a CentOS 5.3(xen) host and am experiencing connectivity problems with guests running on other hosts that are part of the same domain. Here's the setup: On Computer A I have CentOS 5.3 running as the host and have virtualized windows 2003 servers for a primary domain controller, a backup domain controller and an exchange server. The primary domain controller also acts as a WINS and dns server. The windows domain appears on a separate subnet from my company's corporate network. Connectivity to any of the virtualized guests on Computer A is fine (remote desktop, ping, what have you). I have another host computer (Computer B) that also has a virtualized Windows 2003 server guest that is part of the same domain. However, connectivity to that guest is flaky at best. I continuously get at least 60% packet loss when I try to ping the guest, and due to that flakiness I can not access any of the services that it runs (remote desktop, web). Now here's the interesting part. It seems to affect only machines running on a different computer than the domain controller that are in the same domain. On Computer B there is another Windows 2003 guest that is not part of the test domain and is on my corporate network. There's no connectivity issues with that guest machine. The problem does not seem to be specific to Computer B either. I created a test VM on my local computer within the test domain and it exhibits the same behaviour as the guest in Computer B. A couple of items to note: - Host OS on both Computer A and B are the same CentOS 5.3 64 bit - Guest OS is Windows 2003 64 bit and 32 bit (the guest on Computer B is 32 bit) - Guest OSes are all up to date (as of Monday) - Host OS on Computer A was upgraded from CentOS 5.2 to 5.3 Update: Sorry I did not follow up with the comments from below. Computer A and B have been moved to their own dedicated switch and the problem has gone away. I'm not sure what the underlying problem(s) were though

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• How large is the performance loss for a 64-bit VirtualBox guest running on a 32-bit host?

  - by IllvilJa

  I have a 64-bit Virtualbox guest running Gentoo Linux (amd64) and it is currently hosted on a 32-bit Gentoo laptop. I've noticed that the performance of the VM is very slow compared to the performance of the 32-bit host itself. Also when I compare with another 32-bit Linux VM running on the same host, performance is significantly less on the 64-bit VM. I know that running a 64-bit VM on a 32-bit host does incur some performance penalties for the VM, but does anyone have any deeper knowledge of how large a penalty one might expect in this scenario, roughly speaking? Is a 10% slowdown something to expect, or should it be a slowdown in the 90% range (running at 1/10 the normal speed)? Or to phrase it in another way: would it be reasonable to expect that the performance improvement for the 64-bit VM increases so much that it is worth reinstalling the host machine to run 64-bit Gentoo instead? I'm currently seriously considering that upgrade, but am curious about other peoples experience of the current scenario. I am aware that the host OS will require more RAM when running in 64-bit, but that's OK for me. Also, I do know that one usually don't run a 64-bit VM on a 32-bit server (I'm surprised I even got the VM started in the first place) but things turned out that way when I tried to future proof the VM I was setting up and decided to make it 64-bit anyway.

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• Windows Server 2003 IPSec Tunnel Connected, But Not Working (Possibly NAT/RRAS Related)

  - by Kevinoid

  Configuration I have setup a "raw" IPSec tunnel between a Windows Server 2003 (SBS) machine and a Netgear FVG318 according to the instructions in Microsoft KB816514. The configuration is as follows (using the same conventions as the article): NetA | SBS2003 | FVG318 | NetB 10.0.0.0/24 | 216.x.x.x | 69.y.y.y | 10.0.254.0/24 Both the Main Mode and Quick Mode Security Associations are successfully completed and appear in the IP Security Monitor. I am also able to ping the SBS2003 server on its private address from any computer on NetB. The Problem Any traffic sent from a computer on NetA to NetB, or from SBS2003 to NetB (excluding ICMP Ping responses), is sent out on the public network interface outside the IPSec tunnel (no encryption or header authentication, as if the tunnel were not there). Pings sent from a computer on NetB to a computer on NetA successfully reach computers on NetA, but the responses are silently discarded by SBS2003 (they do not go out in the clear and do not generate any encrypted traffic). Possible Solutions Incorrect Configuration I could have mistyped something, somewhere, or KB816514 could be incorrect in some way. I have tried very hard to eliminate the first option. Have re-created the configuration several times, tried tweaking and adjusting all the settings I could without success (most prevent the SA from being established). NAT/RRAS I have seen multiple posts elsewhere suggesting that this could be due to interaction between NAT and the IPSec filters. Possibly the NetA private addresses get rewritten to 216.x.x.x before being compared with the Quick Mode IPSec filters and don't get tunneled because of the mismatch. In fact, The Cable Guy article from June 2005 "TCP/IP Packet Processing Paths" suggests that this is the case, (see step 2 and 4 of the Transit Traffic path). If this is the case, is there a way to exclude NetA-NetB traffic from NAT? Any thoughts, ideas, suggestions, and/or comments are appreciated.

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• PC won't boot from IDE HDD when SATA data drive connected

  - by Kevin

  I have an old Pentium 4 system running XP. The machine is set up as an HTPC. It was set up and running well with 1 SATA drive as a boot drive, another SATA drive to store TV recordings, and an IDE drive to store more recordings. Last week the original boot drive (a SATA drive) failed. The BIOS would no longer recognize it. I had a disused IDE drive hanging around that was large enough for the OS, so I reformatted it and installed XP on it. Now the system will only boot if I do not connect the remaining healthy SATA data drive. All three drives are recognized by the BIOS, and I have set the boot order so that the IDE drive with XP on it has top priority, but after the BIOS recognizes the drives, etc. I just get a black screen. I know the SATA drive is functional, because if I hot plug the drive AFTER the system is booted (I know I'm not supposed to do this), I can go into the control panels and mount the drive, and see all the files and folders on it in Windows Explorer. Any suggestions on what is going on and how to fix it? Many thanks.

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• How can I duplicate HBCD's XP boot loader with my MBR?

  - by Warpstone

  I'm stumped. I'm migrating a Win XP Lenovo T500 to an SSD: I copied the XP partition using EaseUS to the SSD. Aligned the boot sector using Gparted The MBR needs to be rebuilt (fair enough) However, all attempts to use the Windows Recovery console hang (both via a boot CD and even when the console was installed as a boot option). I've tried using a bunch of tools to rebuild/replace the MBR, but no dice. They all say the MBR has been fixed, but I cannot load Windows from the SSD. The HBCD's boot from windows option works just fine however. I'm confused as to what HBCD can do that my drive can't. How can I get that functionality on my SSD? Is it a MBR fix I can mirror? The SSD is extremely fast when I do use HBCD to boot up... but it would be nice to not need a token-based access to the machine! :) Note: I know, windows 7 may be worth a fresh install, but I'm trying to avoid the cost and hassle if possible.

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• No network connection for vmware esxi guests

  - by JavaDev

  I'm new to VMware and setting up an Esxi server as a trial with the intention of possibly virtualizing some of our servers in the near future. I have setup ESXi on a Dell poweredge server, and installed a Centos 5.6 and Ubuntu 11.04 guest os on the server. However I cannot get networking on my guest OS's. The host is connected to a network with a DHCP server via a switch and is configured with a static IP. I have the default set-up for networking on the host: both guests are connected to the default vmnic1 adapter via the virtual switch vSwitch0. One thing though, the virtual adapter shows 'Observed IP ranges' to be XXX.XXX.XXX.194-XXX.XXX.XXX.195 (I've blanked out the initial prefixes) i.e just 1 address, even though the network the host is connected to has the usual 255.255.255.0 subnet mask. On the guest machines (using DHCP) by default, I can see an eth0 interface but with no connection or assigned IP address. A physical machine connected to the network gets a DHCP lease as expected. How do I get networking working on my guest OSes? Apologies for the long-winded question.

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• No audio with streaming video

  - by Chris Barnhill

  I am having trouble with audio when playing streaming videos. My sound card is fine. I know this because if I play sounds from my local machine, there's no problem. It's only when I try to play sounds from the internet that I lose audio. This only started happening recently when I did 2 things: I connected a USB headphone/microphone set to record screencasts I began recording/publishing screencasts from screenr.com. I have tried playing video both with the headset connected and without it connected: it makes no difference. If I record a screencast on screenr.com and preview it, I hear the audio. But once I publish is and play it, there is no audio. I also hear no audio with YouTube videos. I really hope someone can help. Thanks. The latest is that the problem went away after I powered my system off and on. A reboot didn't do it, I had to actually shut down the power.

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• Trying to Set up SMTP Server on WIndows Server 2012

  - by datc

  I'm working on a website, and I need to test the functionality of sending email messages from ASP.NET, something like this: Dim msg As New MailMessage("email1", "email2") msg.Subject = "Subject"<br> msg.IsBodyHtml = True<br> msg.Body = "Click <a href='site'>here</a>." Dim client As SmtpClient = New SmtpClient() client.Host = "My-Server"<br> client.Port = 25<br> client.DeliveryMethod = SmtpDeliveryMethod.Network<br> client.Send(msg) This is running from a Windows 8 workstation. I've installed SMTP server on my Windows Server 2012 machine. The mail shows up in the mailroot/Queue folder and sits there, eventually getting deposited into Badmail. Now I have AT&T U-verse at home, and a few devices connected to the gateway, including let's call it "My-Server." When I run SmtpDiag from say, datc@... to [email protected] I get SOA serial number match passed, Local DNS (99-135-60-233.lightspeed.bcvloh.sbcglobal.net) & Remote DNS (hotmail.com) tests *not* passed, and ultimately, Connecting to the server failed. Error: 10060. Failed to submit mail to mx2.hotmail.com error. When I set My-Server's IP to static and equal to the external IP, 99.135.60.233, and again run SmtpDiag, I get SOA, Local DNS, and Remote DNS tests passed, but the same 10060 error. Same for yahoo.com, gmail.com, and so forth. Is it my ISP's job to fix this? Some PTR record missing somewhere? Is it at all possible to have a home-based SMTP server? All I want is to test my email code. Perhaps, my IP address is just not "trusted" somehow. Thanks.

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• Hard Disk based storage library

  - by Ryan M.

  We have a Tandberg T24 tape device to handle all of our long term backups right now. We decided that we're not backing up nearly everything that we would like to and that we still have a lot of vulnerabilities. To get to where we want to be, we're going to have to back up a lot more servers than we're currently doing. All of our internal servers have some sort of directly attached drive (I.e. LaCie Raid box or a simple portable hard drive) doing backups, but what we want to do is get those backups off-site. The current tape drive is directly attached via SCSI to a Windows Server 2008 File Server. So to back up anything to tape, it has to be funneled through the File Server. With the current increase that we have planned, I don't think that funneling everything through the File Server is the right course of action and I'm thinking that maybe a second backup device would be more appropriate. I would like your input on a couple of ideas. 1) Doing HDD instead of tape. Tape is hard to deal with. We have a regular rotation cycle, so they don't need years and years of shelf life, so I'm wondering if something HDD-based would be better. 2) Something accessible over the network. Instead of having the device directly attached to one specific machine, have it available to all the servers over the network. Our File Server is a 12-disk raid 6 set up.. I was thinking something like that, but with no raid involved, all disks are stand alone so they can be used/installed/removed on an individual basis. Does any such thing exist? Thanks for your ideas. I'm really interested to hear about some of the solutions you guys are using..

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• Exchange 2003: Accounts with only OWA access unable to change passwords when expired or forced

  - by radioactive21

  We have accounts whith only OWA access, because they are generic accounts and we do not want the accounts to be used as machine logins. We have a password policy that users must change their passwords every 6 months. The problem we are having is that since the accounts are not loging into the machines, when the password policy kicks in it is preventing users with OWA only access from changing their password. Also, when we select "User must change the password at next logon" it also causes the same issue. We have two exchange servers the main one and a front end one. what we have been doing with these generic account is in properties, under the "account" tab we restricted "log on to" to the front end server. Just to clarify, when we have no restrictions, users can change their passwords via the web without any issues. It is only when we force them to only login via OWA that they cant change passwords. I tried adding our domain controler and main exchange server to the "This user can log on to The following computers" in the account tab, but still it is not allowing them to change passwords. Currently I have to manually reset the passwords for OWA only accounts. Is there anyway to allow OWA acconts to change passwords? EDIT: Users restricted to only OWA can change their password via the web browser without any issues when there are no restrictions. In other words normally they can just log into outlook via the web and change their password, but when the password policy expires or we force them to change their password at next login, they are unable to.

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• Linux RAID: Replacing Failed Drive...permanantly

  - by user137519

  Okay, odd question here. I have a server with RAID 5. A drive failed, in a really physically in a really odd way. On the machine it boots and is seen by the BIOS but...no partition can be seen on the drive consistantly (in and out). 2 out of 3 drives working...I made new spare disk and added it, RAID 5 rebuilt clean. All appears well but...when I reboot it keeps trying to use the 2nd drive which doesn't give any partition data, so of course the RAID 5 gets 2 out of 3...again. The status of my drive is as follows: /dev/sda2:Good /dev/sdb2 (drive has physical problem so no partition data) bad, /dev/sdc2:good /dev/sdd2:good. Every time I reboot the mdadm system seems to keep trying to use /dev/sdb which has physical failure (although spins and is detected). /dev/sdd is the new drive I created. I added /dev/sdd to the raid and it rebuilds the raid but this action isn't memorized upon reboot so it keeps listing /dev/sda and /dev/sdc but doesn't use the perfectly good /dev/sdd until I re-add manually. I've tried removing the dead drive with the mdadm tool, but as it cannot see /dev/sdb paritions it will not fail or remove it (says partition doesn't exist). the /etc/mdadm.conf was automatically made on the original OS install which only lists: DEVICE partitions MAILADDR root ARRAY /dev/md2 super-minor=2 ARRAY /dev/md0 super-minor=0 ARRAY /dev/md1 super-minor=1 Basically just the raids to use on boot. I need to remove this semi-dead drive (/dev/sdb) but I'd prefer to know why this is happening before I do. any ideas or suggestions. I supposed I could attempt to clone/replace /dev/sdb (the partitions on drive show up, then disappear shortly after) but given the partition "chester cat" behaviour this seems risky to me and as I have a working "spare" it seems unnecessary. Thanks in advance for your insight.

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• What switch should we use for PCoIP?

  - by Jay R.

  We have a small lab space that seats 10 people and has 20 machines. Each machine is set to 1920x1200 resolution because the user apps are best used at that resolution. Currently the machines are all located close enough to montors that a DisplayPort cable will reach, but the pending lab remodel positions them around 80 feet or more away in racks. Our proposed solution is to use PCoIP. We purchased 10 PCoIP portals and 20 PCoIP host cards. We plan to set up a dedicated network to handle just the PCoIP traffic. After testing just one portal and one host card with a cheap 1G switch from a local office supply store, we were left with less than good impressions about the usefulness in our lab. The framerates were not spectacular and the mouse seemed jerky. Our concern is that we can't get away with the cheap 1G stuff from the store because adding more machines to the switch will just make the user experience worse. What switch would be recommended to best support our PCoIP situation? We will need to plug in at least 30 cables based on just those machines. Is there a particular feature to search for that makes a difference? Is there a switch that works best with PCoIP? Added Info: The reporting webapp for the host card shows maximum bandwidth usage to be 220000 kbps. The average appears to be around 180000 kbps. The reverse direction is much lower, like 15000 kbps.

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• Dual hard drive Windows 7 system, modified the registry to get programs to install on second drive, now IE doesn't work

  - by paul

  I have a dual hard drive Windows 7 system, Windows is installed on an SSD (C:) and I modified the registry to try to force programs to install on second HDD drive (another letter). The registry edits are pretty simple, just a few keys in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion to change the drive letter. For the most part the system is very fast and works great, but IE doesn't work anymore. With IE10, it opens for a flash with a white window then closes. I tried installed IE11 which opens a white window for a few seconds, doesn't respond, then crashes. I've tried all the solutions I could find. This includes resetting the IE settings, "uninstalling" and re-installing IE, which is just turning it on and off in "Turn Windows Features on or off", copying the Program Files\Internet Explorer files onto both/either drives, changing the registry keys back to use C:, lots of rebooting, and safe mode. Nothing has worked. I don't see errors in the event viewer, but I might not know what to look for. Any ideas on how to get IE running? I don't need IE for daily browsing, I just need it for cross-browser testing on sites I build and on the rare occasion a page only works in IE. I don't really want to use a virtual machine, but would be ok with something standalone like tredosoft's, but I'm not aware of something like that for current versions of IE.

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• Hyper-V and attaching physical disks

  - by Mike Christiansen

  So, I'm looking at rebuilding my home server. My current setup is the following Windows 7 Ultimate 1TB Boot Drive (my smallest drive) Windows Dynamic Spanned volume, continaing 1x 1TB drive, 2x 2TB drives, totalling 5TB. I am upgrading to a hardware RAID controller, and I would like to run Hyper-V server core. However, I want to retain the ability to join my "file server" to a homegroup, so I must use Windows 7. I know VHDs can only be like 127GB or something, so I obviously need to directly connect disks to my Windows 7 machine. Here is my plan: Server Core 2008 R2 (Hyper-V) 1TB Boot Drive (storing VHDs for boot drives of VMs) - possibly in a RAID 1 with my other 1TB drive 5x 2TB drives (1x 2TB drive hot spare), totalling 10TB, directly attached to a Windows 7 VM, for use of homegroup for this array. In the past, I directly attached the windows dynamic volume to a Windows 7 VM, and performance was abysmal. The question is, with hardware RAID, will it really make that much of a difference? Server specs: Intel Core 2 Quad Q9550 2.83GHz Asus Maximus II Formula (PCI-E x16) 8GB DDR2 RAM PC2-6400 (Yes, I know its a bit out of date)

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• "Error 5: Access denied" when installing programs with UAC turned off

  - by Aero

  I'm having some trouble installing msysgit 1.7.3.1preview on Windows 7 Home Premium. I downloaded the setup file from the Google Code and then ran it. Upon running, I got the following error: I have tried downloading and running different older versions of msysgit with no luck. For the record, I have administrative privileges and there are no other user accounts on this Windows machine. Any help would be greatly appreciated. Thanks. UPDATE: I have managed to semi-fix this problem. I turned on User Account Control back to the default setting and and then ran the setup file as an administrator. I successfully managed to install Git. However, this means I have to keep UAC turned on whenever I want to install a new program (I realised that it persists over all programs; not just Git). So it's quite a nuisance. If anybody knows how I could keep UAC disabled whilst still being able to install programs without running their setup files as an administrator, I would be eternally grateful. UPDATE: I have changed the question title to better suit the new situation.

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• Gateway laptop module bay light repeating 12 flashes - what error is that?

  - by Simurr

  I have a Gateway M465-E laptop currently running fine with a T2300E Core Duo installed. I wanted to upgrade it to a Core 2 Duo. My brother has the same model laptop and that took a Core 2 Duo (T7200) just fine. Picked up a T7200 on ebay and installed it. Normally when booting all the indicator lights flash once and the fan spins up before the machine actually starts to POST. With the T7200 installed all the lights flash and the fan spins up, but the module bay activity light flashes 12 times repeatedly. I'm assuming this is an error code, but can find no information about it. There are no beep codes. I've removed the ram, HD, Bay module and no change. Switched back to the T2300E and everything works fine. Anyone know what that error code is? The motherboard was actually manufactured by Foxconn if that helps. Update 1 Returned the CPU as defective. I tested it in 3 M465-E's and all of them did exactly the same thing. I still have no idea what the error code is. I'd still like to know for future reference. Perhaps I should try removing the CPU from one of them and see what happens.

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• SSH from ubuntu server to Windows 2008 repeatedly asks for password

  - by jrizos

  I am trying to setup GIT using SSH mode. The central GIT repository is on a NAS device running Windows 2008 server and the user GIT repository is on ubuntu 12.04. When I try to SSH to the windows machine however I am not able to successfully get in. SSH keays are not setup but I think the problem is even before that since I cant get in just by providing the correct password. The output from the SSH command is below. Any help would be appreciated. dba@clpserv01:~$ ssh -v -l administrator clpnas OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to clpnas [***.***.***.***] port 22. debug1: Connection established. debug1: identity file /home/dba/.ssh/id_rsa type -1 debug1: identity file /home/dba/.ssh/id_rsa-cert type -1 debug1: identity file /home/dba/.ssh/id_dsa type -1 debug1: identity file /home/dba/.ssh/id_dsa-cert type -1 debug1: identity file /home/dba/.ssh/id_ecdsa type -1 debug1: identity file /home/dba/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-6+squeeze2 debug1: match: OpenSSH_5.5p1 Debian-6+squeeze2 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA bd:37:d1:98:51:2a:d6:b5:f5:c7:98:d8:74:2c:4e:cd debug1: Host 'clpnas' is known and matches the RSA host key. debug1: Found key in /home/dba/.ssh/known_hosts:1 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password,keyboard-interactive debug1: Next authentication method: publickey debug1: Trying private key: /home/dba/.ssh/id_rsa debug1: Trying private key: /home/dba/.ssh/id_dsa debug1: Trying private key: /home/dba/.ssh/id_ecdsa debug1: Next authentication method: keyboard-interactive Password: debug1: Authentications that can continue: publickey,password,keyboard-interactive Password:

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• Convention location for JAR files for a LaunchDaemon on OS X?

  - by Barry Wark

  I'm setting up a Hudson build slave on an OS X machine. I'm using launchd to start the slave using the following plist in `/Library/LaunchDaemons/': <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>KeepAlive</key> <true/> <key>Label</key> <string>org.hudson-ci.jnlpslave</string> <key>ProgramArguments</key> <array> <string>/usr/bin/java</string> <string>-jar</string> <string>/Users/Shared/Hudson/slave.jar</string> <string>-noCertificateCheck</string> <string>-jnlpUrl</string> <string>file:///Users/Shared/Hudson/slave-agent.jnlp</string> </array> <key>RunAtLoad</key> <true/> </dict> </plist> I'm currently putting the slave.jar and slave-agent.jnlp files in /Users/Shared/Hudson but this seems like an unnecessarily user-visible location. What's the convention? Where should I be putting these JARs for a daemon?

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• Will a SQL Server client alias survive a sysprep?

  - by shufler

  I want to sysprep a Windows Server 2008 R2 SP1 machine that has SQL Server 2008 R2 SP1 installed (for reference, SQL Server 2008 R2 has a new sysprep feature that allows the instance to be sysprepped). On the server is a SQL Server client alias that points to the default SQL Server database engine instance. For reference, the alias is called Alias-SQLServer and has been configured in both 32-bit and 64-bit cliconfig versions (that is, both registry keys exist) The alias points to the local instance as the image will be used to create development VMs and the installation script for the application that is being developed will use the SQL Server client alias in order to generalize the installation scripts. I can't seem to find information about whether the sysprep tool will update the SQL Server client alias's registry keys with the server's new name once it's unsealed. My guess is that it is not; how is sysprep to know that the server name the alias points to will be different for each image? Right? Perhaps if the alias points to localhost instead of the server name this will work?

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• How can I optimize my ajax calls to deliver at 60ms.

  - by Quintin Par

  I am building an autocomplete functionality for my site and the Google instant results are my benchmark. When I look at Google, the 50-60 ms response time baffle me. They look insane. In comparison here’s how mine looks like. To give you an idea my results are cached on the load balancer and served from a machine that has httpd slowstart and initcwnd fixed. My site is also behind cloudflare From a server side perspective I don’t think I can do anything more. Can someone help me take this 500 ms response time to 60ms? What more should I be doing to achieve Google level performance? Edit: People, you seemed to be angry that I did a comparison to Google and the question is very generic. Sorry about that. To rephrase: How can I bring down response time from 500 ms to 60 ms provided my server response time is just a fraction of ms. Assume the results are served from Nginx - Varnish with a cache hit. Here are some answers I would like to answer myself assume the response sizes remained more or less the same. Ensure results are http compressed Ensure SPDY if you are on https Ensure you have initcwnd set to 10 and disable slow start on linux machines. Etc. I don’t think I’ll end up with 60 ms at Google level but your collective expertise can help easily shave off a 100 ms and that’s a big win.

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• Website hosted on my virtualbox web server not displaying images or applying css when viewed through phone

  - by WebweaverD

  I would really appreciate it if someone could help me. Please let me know if you need more info in the comments. My Set Up I have a windows 7 pc. On it I run a virtual box VM with a ubuntu 12 guest os and LAMP setup. I share files between the two machines using samba from linux to windows and using windows file sharing (Workgroup) the other way round. The vm is set up with a bridged network adapter and can happily serve web pages to my host machine. I use DHCP reservations on my home wireless router/modem to reserve an ip for the vm and give it a sitename.dev in my windows host file so I can access it at sitename.dev through the browser. The Problem So far so good but I have a dev project which needs a lot of mobile template development, now obviously I can use a browser plugin to simulate a mobile device but I would like to be able to see the real thing easily on my phone during development. So ideally I would like a similar setup on my iphone to my windows setup Now I'm not great on networking and dont have much experience with web server set up. So when I typed the ip of my virtual box into my iphone i wasnt expecting to see anything. I was pleasantly surprised when my site loaded up. The javascript even seems to be running but the images and css are not happening. My Question 1) What is happening here, is it something to do with the bridged set up on the vm network? 2)How do I make the sites load properly through my phone Notes I've also tried another phone. The same sites viewed on live servers work fine.

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• Embedded Windows XP

  - by Kyle

  My company acquired a brake press for bending large structural steel plates. We received it second hand and it came with an embedded copy of windows XP. Now for the part that's driving me nuts: plug and play has been turned off, also accessibility options has been disabled. What does this mean for me? Keyboards will not work! Nothing that plugs into a USB port will work and it does not have a CD ROM drive. I have tried to turn on plug and play using the on screen keyboard but it is not there since accessibility options is turned off. I would just get an updated copy of the the embedded OS but they come from Sweden and are extremely expensive. I assume there has got to be a way to get a USB devices to work. We need to get a wifi adapter on it so I can use team viewer and remotely configure it for our needs. Things to keep in mind: There is no keyboard so everything has to be done with the mouse There is no PS2 port for a keyboard just a mouse. Odd. I am 5 states away from this location and have been working with a tech who is physically installing the machine. System 32 seems to be missing A LOT of files, the tech told me there is only 8 folders in there and no other files (I don't even understand how Windows is running like this). If anyone has ANY ideas I would appreciate it, I am unsure where to go from here.

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