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• Windows VPN client connect on different port

  - by John Gardeniers

  Scenario: Two Windows Server 2003 machines running RRAS VPNs. The firewall port forwards 1723 to one of those machines for normal remote access. I'd like to find a way to connect to the second machine as well. Not because I need to but just because it's the sort of thing I reckon should be possible but can't figure out how to do. Is it possible to have the Windows PPTP VPN client (on XP in this instance) connect on a port other than 1723? If so, I can simply port forward another port to the second server. I've done a fair bit of Googling over the last few days and have only found others asking the same question but no answers. I have of course tried to add a port number in the host name or IP connection box, in various formats, but to no avail. While this might be possible with a third part client I'm really only interested in whether or not it can be done with the Windows built-in client and if so how?. Perhaps there's a registry hack I'm not aware of?

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• Pc freezes then wont boot. The fans spin, but HDD activity light is off

  - by Stuart

  I'm having a problem with my PC and this isn't the first time it's happened. For a few days now, when I turned my PC on, it didn't immediately start to boot up. The monitor said "No signal" and the machine just sat there although the power light was on and the fans were running. Then, after a few minutes, it would begin to boot as if nothing was wrong. Today I started my machine and it ran ok for about 10 minutes. Then the whole thing froze up and I had to shut it down and restart by holding the power button. When it rebooted, the same thing happened again and again and now finally it wont boot up at all. This happened before about 8 months ago. I ended up taking it to the shop after getting a blue screen. They replaced the HDD and upgraded it to windows 7 and it has worked fine since then. However, they charged an arm and a leg for the work and I dont want to have to go back there again. As this is a recurring fault I figure its a mechanical problem of some sort but I'm not sure what. Any ideas? Thanks for your help.

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• Removed Old Domain Trust. Now Progress (9.1D) can't open DB File

  - by RLH

  My company has an old server, running Progress 9.1D on a Windows 2000 VM, which was used by our company OS (Vantage 6 by Epicor.) Vantage was our primary OS for a very long time. About 2 years ago, we migrated to a larger, corporate OS and we cancelled our service contract with Epicor. Yesterday, we removed an AD trust between the corporate domain and our old AD domain we used in the days of Vantage. After restarting the virtual server, I have been able to start the ProService for 9.1D Windows service, however, I can not get Vantage to start back up. When I run the application, I get the error in the message listed below. Transcript: ** Could not connect to server for database [progress db file], errno 0. (1432) How can I fix this? FYI, I haven't had to work with Progress in years and even then I wouldn't have considered myself a "novice"-- I'm even less knowledgeable than that title would suggest. Vantage had a lot of internal tools and I recall that Epicor support managed to prevent .pf scripts from being executed. If there was a Progress specific patch that needed to be applied, you had to do it within the Vantage software OR they had to remote into the machine to fix this. I may not be able to run a .pf script but I do know that I can log into the console-based server application. (Yes, I can't even recall which utility that was called. It is sad.) It's been a long time and I never had to digg into Progress that much. Please help and feel free to ask questions. If you need more info, I'll update this post.

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• Excel controls not visible for certain users

  - by Nossidge

  One of the users of an Excel program I've written is having a weird problem. None of the control objects (Command Button, ComboBox, etc.) are visible to him when he opens the file on his laptop. He is using Excel 2003, the same version I used to create the program, and enables macros using the pop-up when the file loads. I have Googled this, and have found these people who seem to be having the exact same problem, with various versions of Excel. Unfortunately, none of their questions were answered. I can't really explain it any better than this user: If I enter design mode and pull a control from the control toolbar onto a sheet all I see are the drag handles. When not in design mode I have to feel around with the mouse and can click the button which executes the button click code correctly and opens another sheet where again I have to feel around for the buttons to return me to the original sheet. The button I managed to click is now visible but as soon as I click anywhere on the sheet it disappears. I have verified that the visible property of the buttons is set and that the Show All Objects on the Options View tab is selected. If I pull buttons from the Forms toolbar onto a sheet they are visible. If I try to find Objects using F5 when not in design mode Excel reports no objects on the sheet. So, Super Users, can you help? UPDATE: Thanks for your replies, but much like the person in the ozgrid link, the problem has gone away. Not sure why it went, but I can confirm that the user rebooted again and also started up other Excel files that didn't contain controls in the interim. Perhaps that fixed it, or maybe it'll be back again. I'll keep udating with progress, and close if the problem doesn't reoccur for the next few days. Thanks again.

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• Very high CPU and low RAM usage - is it possible to place some of swap some of the CPU usage to the RAM (with CloudLinux LVE Manager installed)?

  - by Chriswede

  I had to install CloudLinux so that I could somewhat controle the CPU ussage and more importantly the Concurrent-Connections the Websites use. But as you can see the Server load is way to high and thats why some sites take up to 10 sec. to load! Server load 22.46 (8 CPUs) (!) Memory Used 36.32% (2,959,188 of 8,146,632) (ok) Swap Used 0.01% (132 of 2,104,504) (ok) Server: 8 x Intel(R) Xeon(R) CPU E31230 @ 3.20GHz Memory: 8143680k/9437184k available (2621k kernel code, 234872k reserved, 1403k data, 244k init) Linux Yesterday: Total of 214,514 Page-views (Awstat) Now my question: Can I shift some of the CPU usage to the RAM? Or what else could I do to make the sites run faster (websites are dynamic - so SQL heavy) Thanks top - 06:10:14 up 29 days, 20:37, 1 user, load average: 11.16, 13.19, 12.81 Tasks: 526 total, 1 running, 524 sleeping, 0 stopped, 1 zombie Cpu(s): 42.9%us, 21.4%sy, 0.0%ni, 33.7%id, 1.9%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 8146632k total, 7427632k used, 719000k free, 131020k buffers Swap: 2104504k total, 132k used, 2104372k free, 4506644k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 318421 mysql 15 0 1315m 754m 4964 S 474.9 9.5 95300:17 mysqld 6928 root 10 -5 0 0 0 S 2.0 0.0 90:42.85 kondemand/3 476047 headus 17 0 172m 19m 10m S 1.7 0.2 0:00.05 php 476055 headus 18 0 172m 18m 9.9m S 1.7 0.2 0:00.05 php 476056 headus 15 0 172m 19m 10m S 1.7 0.2 0:00.05 php 476061 headus 18 0 172m 19m 10m S 1.7 0.2 0:00.05 php 6930 root 10 -5 0 0 0 S 1.3 0.0 161:48.12 kondemand/5 6931 root 10 -5 0 0 0 S 1.3 0.0 193:11.74 kondemand/6 476049 headus 17 0 172m 19m 10m S 1.3 0.2 0:00.04 php 476050 headus 15 0 172m 18m 9.9m S 1.3 0.2 0:00.04 php 476057 headus 17 0 172m 18m 9.9m S 1.3 0.2 0:00.04 php 6926 root 10 -5 0 0 0 S 1.0 0.0 90:13.88 kondemand/1 6932 root 10 -5 0 0 0 S 1.0 0.0 247:47.50 kondemand/7 476064 worldof 18 0 172m 19m 10m S 1.0 0.2 0:00.03 php 6927 root 10 -5 0 0 0 S 0.7 0.0 93:52.80 kondemand/2 6929 root 10 -5 0 0 0 S 0.3 0.0 161:54.38 kondemand/4 8459 root 15 0 103m 5576 1268 S 0.3 0.1 54:45.39 lvest

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• Command prompt cannot find PATH variable

  - by davidXYZ

  Sometimes, my command prompt cannot find the PATH variable. I have this occasional problem at work where when I open command-prompt and run commands like ipconfig or subst, I get an error saying something like 'ipconfig' is not recognized as an internal or external command. When I try this echo %path%, it prints out %path% instead of the PATH value. If I look at my Environment Variables window, the PATH is defined right there but I don't know why CMD can't find it. At this point, I understand why the other commands were not being recognized since their paths are in PATH variable. However, I cannot understand why the PATH variable is not being found. If I restart the computer, everything is back to normal. In a few days, I might have the same experience again. I tried using this answer. It suggested changing a registry value but mine already had the value that was suggested yet it wasn't working. (The restart step at the end would have solved it as usual but that's not the point.) Any suggestions regarding why the PATH variable may become invisible every now and then and how I can prevent it from happening again?

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• How can I tell if my UPS is functioning properly or not for my PC?

  - by prabha

  For the last two days, my Uninterruptable Power Supply (UPS) has failed to produce the actual back up. So, I charged it for 24hrs and again checked that when the power failed my PC was automatically shut down. But in the time of power no supply from ups bt .......is my ups is working properly or not else there is direct power. It will cause any harm to my pc. my questions are..... Is the UPS functioning properly or not? If not, then will it harm my pc? If it is functioning, will it regulate direct power to pc without any cause? Is my UPS battery not working? What should I do to make my UPS batteries last for at least a year? I am using FRONTECH UPS 600va (Warranty for both ups and battery is expired) I already changed the battery 8 months previously. Note from editor: Tried to make as much sense of this question as I could. I hope I didn't alter the meaning in any way.

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• How to fix "The connection was restarted"?

  - by Altar

  I have a php script with ajax. Few days ago, without making any changes, the script stopped working. The script is working sometimes but it is very slow. Other times it doesn't load completely. Yet other times it loads and empty page or it shows a "The connection was restarted" message. We have tried loading the page from 4 different computers in two different countries (two different ISPs). There is nothing relevant in the server's log. We contacted iPage.com hosting support. We sent screenshots. And all we manage to get from them was an incomplete screenshot and the message 'We tested. The page loads'. So, they won't admit the fault. It looks like they loaded the page once and declared it is working and went back to playing solitaire. I know their support. We had all kind of problems with iPage hosting. My questions are: 1. There is any way to make this error more easy to reproduce? I mean instead of fixing the error to get it appear more often. 2. There is any way to test a server response, to see if it drops connections?

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• Backing up 80G hard drive 1G per day

  - by barrycarter

  I want to securely backup my 80G HD, but doing a complete backup takes forever and slows down my machine, so I want to backup just 1G per day. Details: % First hurdle: on the first day, I want to backup the "first" 1G of the hard drive. Of course, there really is no "first" 1G on a hard drive. % After 80 days, I'll have my whole HD backed up... assuming none of my files ever change, which of course they do. So the backup plan/program must also catch file creation/changes as they come along. % The backups must be consistent, in that I can restore my system by restoring the backups sequentially. In other words, "dd if=/harddrive" probably won't work. % The backups should encrypt file contents AND names, but I don't see this as a major hurdle. % Once the backup has backed up everything (even changed files), it can re-backup the first 1G on my hard drive. Even though this backup is redundant, that's OK, because I always want to be backing up something (eg, if I'm backing up to optical media, the older media might start going corrupt). Is there a magic backup plan/program that does this? In reality, I want to do this for multiple machines with multiple drives each, but think that solving the above will solve the general case.

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• Conditional formatting Excel 2007/2010: Highlight the first cell in the row that contains duplicate values?

  - by Nancy Prades

  I have a table with hundreds of columns and rows of data; each row and column have a header. For instance, column headers are ITEM, FILE1, FILE2, FILE3, etc. and row headers are AA, BB, CC, DD, and so on. Under conditional formatting, I used "Highlight Cells Rules" "Equal to", in order to highlight cells that have values equal to the value in another cell. In this case, my formula rule is: Rule: Cell Value = $A$1 Applies to: =$B$3:$G$8 When I input "X" into cell A1, Excel will highlight all of the cells that have a value equal to "X", in this case, the following cells are highlighted: B3, C5, G6, and E8. Here's my problem. The data that I am working with contains more than 100 columns and rows. I want to identify all of the ITEMS (AA, BB, CC, etc.) that contain the duplicate file "X". In order to do this I have to scroll right to left, and up and down. Here's my question. Is there a way to use conditional formatting to add an additional rule? I want to keep the current rule, but I also want the row header to be highlighted if any of the cells in that row contain a value equal to "x". In this case, I want AA, CC, DD, and FF to also be highlighted. Is this possible? I've spent days trying to figure this out - and no luck. Any help would be appreciated! :) Nancy A B C D E F G 1 X 2 ITEM FILE1 FILE2 FILE3 FILE4 FILE5 FILE 6 3 AA x t y u d w 4 BB r y a b k d 5 CC y x f u i g 6 DD t v b d f x 7 EE e w y s l n 8 FF w u n x e m

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• Imported Hyper-V VM hangs

  - by BParker

  I have a pair of Hyper-V servers (Server 2008 R2 + Hyper-V role). I have duplicated one VM (exported from the first Hyper-V server to the Second) which seems to keep hanging. The VM is running XP SP3, and has the Virtual Additions installed. The first version runs fine, cpu normally around 0%-2% when idle and responds happily. The second version runs very poorly, and keeps running at an idle of around 8% cpu. I have checked the VM with Process Explorer, and the Idle process is (as expected) taking nearly all the cpu time, but what it's not using doesn't seem to show up in any other process. For example at one point idle dipped to 73%, but i could only account for anoth 4.5% in other processes. After some time (around 1-2 days) the VM seems to become so unresponsive, the only way to resurect it is to power-off the VM and reboot (shutdown via the Hyper- V console of via the VM seems to be impossible). Does anyone have any suggestions on how to trace the source of the problem? Thanks

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• 64-bit Windows 7 gets stuck on logo screen on bootup

  - by Richard B

  I've had a PC running Windows 7 in my office which I'm not using at the moment (cause I'm working elsewhere as a consultant atm), I'm only accessing the PC using Team Viewer (http://www.teamviewer.com/) which means the PC has been running for quite some time now. I've restarted it maybe twice a week though. A few days ago I couldn't access it using Team Viewer and when I got to the office the screen was black with only the mouse pointer showing. The PC has four hard disks, three of them (all 1Tb) is using RAID 5. This is what I've done so far: I reboot and everything seems to load correctly. I get to a screen that gives me two choices - boot Windows normally or perform a startup repair. Choosing to boot Windows only gets me to the Windows 7 logo screen which only animates over and over again. Choosing to repair gets me to the repair screen that "checks for problems" and then it gets stuck on the "Attempting repairs..."-screen (I let it run for about 24 hours before giving up). What is the next step to take? I don't have any backups and no system restore points saved. I can access files and folders through a terminal window using a Windows 7 DVD so I guess nothing is lost yet... Please help me, thanks!

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• SQL Server 2012 memory usage steadily growing

  - by pgmo

  I am very worried about the SQL Server 2012 Express instance on which my database is running: the SQL Server process memory usage is growing steadily (1.5GB after only 2 days working). The database is made of seven tables, each having a bigint primary key (Identity) and at least one non-unique index with some included columns to serve the majority of incoming queries. An external application is calling via Microsoft OLE DB some stored procedures, each of which do some calculations using intermediate temporary tables and/or table variables and finally do an upsert (UPDATE....IF @@ROWCOUNT=0 INSERT.....) - I never DROP those temporary tables explicitly: the frequency of those calls is about 100 calls every 5 seconds (I saw that the DLL used by the external application open a connection to SQL Server, do the call and then close the connection for each and every call). The database files are organized in only one filgegroup, recovery type is set to simple. Some questions to diagnose the problem: is that steadily growing memory normal? did I do any mistake in database design which probably lead to this behaviour? (no explicit temp-table drop, filegroup organization, etc) can SQL Server manage such a stored procedure call rate (100 calls every 5 seconds, i.e. 100 upsert every 5 seconds, beyond intermediate calculations)? do the continuous "open connection/do sp call/close connection" pattern disturb SQL Server? is it possible to diagnose what is causing such a memory usage? Perhaps queues of wating requests? (I ran sp_who2, but I didn't see a big amount of orphan connections from the external application) if I restrict the amount of memory which SQL Server is allowed to use, may I sooner or later get into trouble?

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• Unusual HEAD requests to nonsense URLs from Chrome

  - by JeremyDWill

  I have noticed unusual traffic coming from my workstation the last couple of days. I am seeing HEAD requests sent to random character URLs, usually three or four within a second, and they appear to be coming from my Chrome browser. The requests repeat only three or four times a day, but I have not identified a particular pattern. The URL characters are different for each request. Here is an example of the request as recorded by Fiddler 2: HEAD http://xqwvykjfei/ HTTP/1.1 Host: xqwvykjfei Proxy-Connection: keep-alive Content-Length: 0 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.13 (KHTML, like Gecko) Chrome/9.0.597.98 Safari/534.13 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 The response to this request is as follows: HTTP/1.1 502 Fiddler - DNS Lookup Failed Content-Type: text/html Connection: close Timestamp: 08:15:45.283 Fiddler: DNS Lookup for xqwvykjfei failed. No such host is known I have been unable to find any information through Google searches related to this issue. I do not remember seeing this kind of traffic before late last week, but it may be that I just missed it before. The one modification I made to my system last week that was unusual was adding the Delicious add-in/extension to both IE and Chrome. I have since removed both of these, but am still seeing the traffic. I have run virus scan (Trend Micro) and HiJackThis looking for malicious code, but I have not found any. I would appreciate any help tracking down the source of the requests, so I can determine if they are benign, or indicative of a bigger problem. Thanks.

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• Log Problem and bash script

  - by GvWorker

  Hello Guys, I have 11 Debian servers running on rackspace cloud hosting. All running VHCS2 for hosting management. 1 server is used for application and 10 are used for only smtp. My question is regarding smtp servers. Each server hosted 1 domain. My problem is when my client use smtp there's a log created in this directory /var/log/ but within 24 hours drives are full and server refuse all smtp connections. Then I deleted the logs and ran following command to check the disk space. df -h but it shows hdd still full and server is still refusing the smtp connections. Then I ran following command to see the truth du --max-depth=1 -h It shows the truth. The real disk space used. Then I rebooted the server and now server working fine. But after few hours same situation happened. Then I created the following script. #!/bin/sh rm -fr /var/log/* rm -fr /var/log/apache2/*.log rm -fr /var/log/apache2/*.log.* rm -fr /var/log/apache2/users/* rm -fr /var/log/apache2/backup/* reboot It worked for days but after that logs are again filling the hdd. Now I want the following solutions. If anybody can help me. When I delete files from server hdd will free up without rebooting Log should be in specific range. Like a specific size of file where old data overwrite with new data

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• Laptop freezing every few seconds, including screen + sound

  - by zenstealth

  Just a few days ago, my Windows 7 HP dv4170us (1.76Ghz CPU, 1GB Ram) laptop started to freeze every other second where everything on screen and and sound (such as a song playing in iTunes) would just freeze until I bash it violently (without actually breaking the laptop) or wait for a couple of more seconds. I think it started one night when I noticed that a USB mouse of mine stopped working, and it displayed random "Device was not recognized" errors. I just unplugged the mouse and ignored it. Skip forward to the next day, is started freezing, and as of today I can't get my computer to not keep freezing. I tried to backup my files onto an external hdd, but it almost corrupted the drive. I ran 4 complete virus scans using MSSE and MalwareBytes (both quick and full scans), and they all came up clean. In the Task manager, the CPU usage is on a constant max, and so is the RAM (if I have just a few apps running, I only have like 30Mb of free RAM left). Also, on the outside of my laptop, right above where the CPU is located, it's very, very hot. I suspect that something is wrong internally within inside of the computer, but I'm not sure. It also does the same thing when booted into Ubuntu.Does anyone know what could be wrong with it?

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• Domain joining debate for Outlook 2010 with Exchange 2007 on windows SBS 2008 for a user on a laptop that will travel a fair amount of the time.

  - by user71195

  I'm basically debating on whether or not to join the Domain on a Laptop, and was wondering if anyone has had a similar experience. If the computer were staying in the office, its a no brainer. Join the domain. In this case I have a user who will come into the office a few days a week, and work remotely the rest of the time. There is a working VPN using OpenVPN client/server, but it's not site-to-site. My knee jerk reaction is to not join the domain, so that the user can have 1 profile that they always use. In this configuration, should Outlook work properly with the user's domain account, and should the shared calendar still work (at least once inside the VPN)? My concern with joining the domain would be the inability to login to it when elsewhere. Is there maybe a way around this with caching or something? Would creating a second local login make sense for a user like this in any way? If so, why not just skip the domain join to begin with? Any thoughts on or experiences with this would be appreciated. Laptop OS Windows 7 (Not purchased yet.. pro if domain needed) Server SBS 2008, Exchange 2007 Outlook version 2010 Thanks for any help, Mike

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• "No such file or directory"?

  - by user1509541

  Ok, so I have a VDS laying around, and I thought I would turn it into a TF2 game server. When I connect to my server through PuTTY, and use wget to download the package "hldsupdatetool.bin" from Steampowered.com. I go to run it and it says "No such file or directory found". When I use "ls" to see what files are in directory, it lists "hldsupdatetool.bin" as being in the directory. So, why is it saying it's not there? This has been a headache for the past 2 days. It's returning: root@10004:~# wget http://www.steampowered.com/download/hldsupdatetool.bin --2012-07-08 06:04:49-- http://www.steampowered.com/download/hldsupdatetool.bin Resolving www.steampowered.com... 208.64.202.68 Connecting to www.steampowered.com|208.64.202.68|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3513408 (3.4M) [application/octet-stream] Saving to: “hldsupdatetool.bin.3” 100%[======================================>] 3,513,408 2.45M/s in 1.4s 2012-07-08 06:04:51 (2.45 MB/s) - “hldsupdatetool.bin.3” saved [3513408/3513408] root@10004:~# chmod +x hldsupdatetool.bin.3 root@10004:~# ./hldsupdatetool.bin.3 -bash: ./hldsupdatetool.bin.3: No such file or directory root@10004:~# More: root@10004:~# ls ffmpeg-packages hldsupdatetool.bin.1 hldsupdatetool.bin.3 hldsupdatetool.bin hldsupdatetool.bin.2 setup.sh root@10004:~# ls -la total 13828 drwx------ 4 root root 4096 Jul 8 06:04 . drwxr-xr-x 21 root root 4096 Jul 8 05:57 .. -rw------- 1 root root 8799 Jul 8 06:26 .bash_history -rw-r--r-- 1 root root 570 Jan 31 2010 .bashrc -rw-r--r-- 1 root root 4 Jul 2 19:39 .custombuild drwxr-xr-x 2 root root 4096 Jul 4 18:49 ffmpeg-packages ---x--xrwx 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin -rwxr-xr-x 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.1 -rw-r--r-- 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.2 -rwxr-xr-x 1 root root 3513408 Sep 2 2005 hldsupdatetool.bin.3 -rw-r--r-- 1 root root 140 Nov 19 2007 .profile -rw------- 1 root root 1024 Jul 2 19:49 .rnd -rwxr-xr-x 1 root root 38866 May 23 22:02 setup.sh drwxr-xr-x 2 root root 4096 Jul 2 19:44 .ssh root@10004:~#

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• Install KVM based Windows 2008 remotely over SSH on a headless, no graphics Ubuntu 10.04 server?

  - by taazaa

  Hi, I have a Dell server at a remote data center with Ubuntu 10.04 as the host. It is a minimal install with the necessary virtulization packages. There is no X and the machine is headless. I have the win2008 DVD in the machine and want to remotely install it. I tried: virt-install --connect qemu:///system -n vmwin2k8 -r 1024 --disk path=server2k8.qcow2,size=50 --cdrom /dev/sr0 --vnc --noautoconsole --os-type windows --os-variant win2k8 The qcow2 image get created However I don't understand how to connect to see the install via VNC. This is my first time doing it so it may be trivial or may not be possible. Remotely I have a Win 7 machine with Putty and RealVNC viewer. Where is the graphic output of VNC going? Do I have to have VNC server running on the host or some other machine and then connect to it from my VNC client? Please let me know or point me to the right direction. I have been searching the web for several days to figure out how this is suppose to work. Thanks!

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• Could I have destroyed Partitioning-Scheme/Filesystem of HDDs with External Harddrive Case with builtin Raid-Controller?

  - by th3m3s

  I had just recently bought a Fantec QB-35US3R to have a nice box on my desk to make some backups to. Along with the HDD-Bay I had ordered some 4TB HDDs to let them run in Raid 5, which is handled by the hardware RAID controller of the Fantec HDD-Bay. The QB-35US3R arrived a few days before the hard drives, so I got impatient and had the idea to put three old 1TB disks in the Fantec device, just to test it... Long story short: I made a backup of the most important data on these three disks before they broke. I had set the configuration scheme to RAID 3 at the Fantec device. It seems, that the Fantec RAID controller has "somehow" destroyed the partitioning scheme or the file system, because when put into a HDD docking station, they get recognized by the OS (Ubuntu/Linux) but are not mountable anymore. I tried to recover the data from one HDD via gParted (parted), which ran some hours without success. Here I stopped, before trying other tools, cos I read that the longer a hard drive is running after a the partitioning got destroyed, the worse it gets. What could the HDD-Bay probably have done to my lovely hard drive disks? Is there some routine a RAID controller is executing, when it wants to create a RAID system? Like erasing the partition table (seems not plausible to me.) or writing some information to every hard drive in the RAID (seems more likely to me.)? Is there a chance to recover the data from these HDDs, or is the change a RAID controller makes so significant, that no software is of help?

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• Passenger and ServerAlias not cooperating

  - by Pyzo

  I have a ruby application that runs on a server with multiple IP addresses and mutliple vhosts. Here is the configuration of the problematic virtual host: <VirtualHost 10.0.0.10:80> ServerName realname.example.com ServerAlias alias.example.com DocumentRoot /var/www/sites/example/current/public <Directory /var/www/sites/example/current/public> AllowOverride all Options -MultiViews </Directory> ErrorLog /var/log/httpd/example_error_log CustomLog /var/log/httpd/example_access_log common RailsEnv production RackEnv production </VirtualHost> When I pull up realname.example.com the Ruby on Rails application works correctly. On the other hand alias.example.com just gives me Not Found: / I'm fairly certain the correct vhost is getting used because alias.example.com produces a 404 in the correct log file. I've tried adding logging to the Passenger config and it seems to indicate that Passenger is getting the request. Note: I can't redirect alias.example.com to realname.example.com. realname is accessed using a CDN, whereas alias is directly accessed. Anyone have any ideas why this isn't working? I've been banging my head for days and I've got a similar configuration in QA that works as expected.

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• Mysql InnoDB and quickly applying large updates

  - by Tim

  Basically my problem is that I have a large table of about 17,000,000 products that I need to apply a bunch of updates to really quickly. The table has 30 columns with the id set as int(10) AUTO_INCREMENT. I have another table which all of the updates for this table are stored in, these updates have to be pre-calculated as they take a couple of days to calculate. This table is in the format of [ product_id int(10), update_value int(10) ]. The strategy I'm taking to issue these 17 million updates quickly is to load all of these updates into memory in a ruby script and group them in a hash of arrays so that each update_value is a key and each array is a list of sorted product_id's. { 150: => [1,2,3,4,5,6], 160: => [7,8,9,10] } Updates are then issued in the format of UPDATE product SET update_value = 150 WHERE product_id IN (1,2,3,4,5,6); UPDATE product SET update_value = 160 WHERE product_id IN (7,8,9,10); I'm pretty sure I'm doing this correctly in the sense that issuing the updates on sorted batches of product_id's should be the optimal way to do it with mysql / innodb. I'm hitting a weird issue though where when I was testing with updating ~13 million records, this only took around 45 minutes. Now I'm testing with more data, ~17 million records and the updates are taking closer to 120 minutes. I would have expected some sort of speed decrease here but not to the degree that I'm seeing. Any advice on how I can speed this up or what could be slowing me down with this larger record set? As far as server specs go they're pretty good, heaps of memory / cpu, the whole DB should fit into memory with plenty of room to grow.

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• 1 PC, 2 consoles (as in 2 monitors, keyboards and mice)

  - by ciuly

  I have this desire to "kill 2 birds with one shot". Currently, I have 1 server running round the clock, 1 laptop that runs about 8 hours a day, 7 days a week, and a desktop that runs about the same length of time. All 3 are ... old, to say the least. So there is a great need to upgrade (well, the server might handle its job for another year or so, but that only depends on how much time I have to put it to "work"). Now, I'm "dreaming" of only one PC. I'm thinking vmware's ESX. So there will be a VM for the server, a VM for the "laptop" and one for the "desktop". And obviously I'll have to somehow "link" a set of monitor/keyboard/mouse with one of the laptop/desktop VMs. The server doesn't need such things, obviously (it doesn't have them at this moment either). Is something like this possible? ESX is not a requirement, it's just something I found that answers part of my problems, but there still remains the 2 KVM set that needs connecting and "linking" to appropriate VM. Why I would want to do this? well, first of all, it's much cheaper to upgrade one PC than 3. Then, the power consumption is obviously lower. Plus the extra space.Plus it allows me to better separate networks and services. Thanks.

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• WebSphere hung threads, how can I track then down?

  - by Puzzled

  We have an application running on WebSphere (unfortunately it is 6.1 which is no longer supported, it has not yet been migrated in production to a later version) which becomes entirely unresponsive because of hung threads. As far as I can tell we entirely exhaust one of the thread pools. I have activated hung thread detection and I get a core/thread dump when hung threads are detected. The server can run for several days without problems but has crashed twice this week. When load the core/thread dump in "IBM Thread and Monitor Dump Analyzer for Java", it tells me that there are a certain number of hung threads (this time it was 2, last time 11) and multiple (usually around 40) threads "waiting on condition" and some running threads. I believe one of the thread pool has around that size (50). Now what I see in there are threads waiting for locks, having locks or in wait. Most of them show a stack track which always ends like this: at java/lang/Object.wait(Native Method) at java/lang/Object.wait(Object.java:231) Now, how can I track this down to either a server configuration problem, application issue, WebSphere problem or something else? How is this supposed to help me track down the problem when almost everything in there refers to IBM code? I cannot ask IBM's help as 6.1 is now an unsupported version of WebSphere and while work has been done to make it work under WebSphere 7 we are not yet ready to switch to it in Production yet.

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• How can I tell System Restore in WIndows 7 recovery console to use my recovered backup drive's restore point data?

  - by Rich Shealer

  My Windows 7 desktop PC failed to boot. It would get to a grayish screen with a mouse and would only respond to the power button. After much examination I found that the problem was not a failed drive as running CHKDSK from the Recovery Console on my main drives passed without any errors. I had been installing various Java version in the days before the failure so I decided to use a restore point to roll backwards. I have an external SATA drive controller with two 2 TB drives mirrored using the Windows mirroring function. My system has been backing up to this drive regularly. The problem is I accidently broke the mirror when testing to see if this drive system might have been causing my boot issue. Connecting it to another machine showed two dynamic drives that were invalid. In the end I reformatted one as an NTFS basic disc and used recovery software on the other to copy all of the files to the reformatted drive. I had to copy the restore points into the new drive's System Volume Information folder by granting rights to that user. I moved the drive back to the original machine and rebooted. I can see my new drive, it even uses the same drive letter as it did in normal mode. Running System Restore it lists a new Automatic Restore point created while sitting at the RC along with all of my backups. Selecting the backup I want (or any other) I get a dialog. The backup drive could not be found. System Restore is looking for restore points on your backup. Make sure the backup drive is on and connected to this computer and then click OK. What do I need to do to allow system restore to see the restore points?

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