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• How to configure DNS so that www.example.com goes to one server, *.example.com to another

  - by fishwebby

  I'm trying to set up my domain as follows, but I'm not actually sure if it's possible. I have a domain where I would like the base and www addresses to go to my static site, but others to go to my application server. For example: My domain is registered with Dreamhost, and my application is on a VPS at Webbynode. I've set up the domain in Dreamhost to use Webbynode's nameservers: ns1.dnswebby.com ns2.dnswebby.com ns3.dnswebby.com And in Webbynode I've set up a wildcard A record to point to the IP address of my VPS: * 1.2.3.4 A and this works nicely, if I go to app.example.com it resolves to my application server at Webbynode. However, what I'd like to do is have example.com and www.example.com go to my static site, hosted back at Dreamhost, whilst still having any other domain go to my app. What I've done to try and achieve this is set up these DNS "NS" entries at Webbynode, trying to get Dreamhost to resolve these domain names: (empty) ns1.dreamhost.com NS (empty) ns2.dreamhost.com NS (empty) ns3.dreamhost.com NS www ns1.dreamhost.com NS www ns2.dreamhost.com NS www ns3.dreamhost.com NS (I don't have a fixed IP address at Dreamhost so I can't just set up simple A records). However this doesn't work... does anyone have any idea if this is possible and if so how it could be done? Update: I've got this working now, as above for the domain (i.e. registered with Dreamhost, but using Webbynode's nameservers). To delegate the DNS for www.example.com to Dreamhost, I've got the following DNS entries set up: www.example.com. ns1.dreamhost.com. NS www.example.com. ns2.dreamhost.com. NS www.example.com. ns3.dreamhost.com. NS (note the full stops at the end) And to get example.com to resolve to my static site, I set up CNAME record: example.com. www.example.com. CNAME So now, example.com and www.example.com go to my static site on Dreamhost, and if they change the IP address of my shared hosting it won't affect me, and all other subdomains go to my application server. This seems to work nicely, but if anyone knows a better way to do it I'd be happy to hear it. Thanks to all who replied.

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• I just restarted Apache and now the server is down

  - by James

  I am pretty terrified right now. I'm scared I'm going to get a call in a couple minutes from a hundred people saying the website doesn't work. I was at the terminal changing some configuration files when I went to restart the server to update the .conf files with this command: /etc/init.d/apache2 graceful After I ran that, none of the websites work and I have no idea what to do. There are about 100 errors I am getting according to the log files. They all begin with "PHP Notice" and most relate to "use of undefined constant" Also, I just spoke with a coworker, describing what I did, and he noticed that there are two installations of apache on the server and that I restarted the one that we don't use. This is what the error log says (assuming it's the correct error log): [Wed Jan 05 11:52:06 2011] [notice] Graceful restart requested, doing restart Warning: DocumentRoot [/u/apps/staging/antetr/current/public/] does not exist [Wed Jan 05 11:52:08 2011] [warn] NameVirtualHost *:80 has no VirtualHosts (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs (2)No such file or directory: apache2: could not open error log file /u/apps/production/madfilmdash/current/log/apache-error.log. Unable to open logs FINAL UPDATE: Ok, I fixed it. The problem was (as you experts facepalming probably know) that it couldn't access an error log in the directory I was working in. I created an empty error log file and tried the restart command again and now all the sites are back up... Though my original problem is still there.. Thanks to all those who offered advice, it really helped and let me breathe for a moment.

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• umount bind of stale NFS

  - by Paul Eisner

  i've got a problem removing mounts created with mount -o bind from a locally mounted NFS folder. Assume the following mount structure: NFS mounted directory: $ mount -o rw,soft,tcp,intr,timeo=10,retrans=2,retry=1 \ 10.20.0.1:/srv/source /srv/nfs-source Bound directory: $ mount -o bind /srv/nfs-source/sub1 /srv/bind-target/sub1 Which results in this mount map $ mount /dev/sda1 on / type ext3 (rw,errors=remount-ro) # ... 10.20.0.1:/srv/source on /srv/nfs-source type nfs (rw,soft,tcp,intr,timeo=10,retrans=2,retry=1,addr=10.20.0.100) /srv/nfs-source/sub1 on /srv/bind-target/sub1 type none (rw,bind) If the server (10.20.0.1) goes down (eg ifdown eth0), the handles become stale, which is expected. I can now un-mount the NFS mount with force $ umount -f /srv/nfs-source This takes some seconds, but works without any problems. However, i cannot un-mount the bound directory in /srv/bind-target/sub1. The forced umount results in: $ umount -f /srv/bind-target/sub1 umount2: Stale NFS file handle umount: /srv/bind-target/sub1: Stale NFS file handle umount2: Stale NFS file handle Here is a trace http://pastebin.com/ipvvrVmB I've tried umounting the sub-directories beforehand, find any processes accessing anything within the NFS or bind mounts (there are none). lsof also complains: $ lsof -n lsof: WARNING: can't stat() nfs file system /srv/nfs-source Output information may be incomplete. lsof: WARNING: can't stat() nfs file system /srv/bind-target/sub1 (deleted) Output information may be incomplete. lsof: WARNING: can't stat() nfs file system /srv/bind-target/ Output information may be incomplete. I've tried with recent stable Linux kernels 3.2.17, 3.2.19 and 3.3.8 (cannot use 3.4.x, cause need the grsecurity patch, which is not, yet, supported - grsecurity is not patched in in the tests above!). My nfs-utils are version 1.2.2 (debian stable). Does anybody have an idea how i can either: force the un-mount some other way? (any dirty trick is welcome, data loss or damage neglible at this point) use something else instead of mount -o bind? (cannot use soft links, cause mounted directories will be used in chroot; bindfs via FUSE is far to slow to be an option) Thanks, Paul Update 1 With 2.6.32.59 the umount of the (stale) sub-mounts work just fine. It seems to be a kernel regression bug. The above tests where with NFSv3. Additional tests with NFSv4 showed no change. Update 2 We have tested now multiple 2.6 and 3.x kernels and are now sure, that this was introduced in 3.0.x. We will fille a bug report, hopefully they figure it out.

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• Need Windows XP VGA driver for i3 Haswell

  - by AFH

  Background: I have recently upgraded my hardware because the previous Pentium system started failing to the point that it would not run long enough to boot. It was obviously a hardware fault, but I had no way of knowing whether it was in the motherboard, CPU or memory. Not all the components were now available, so I decided to replace all three. In order to get some benefit from the expenditure, I though I would put in faster components, and for future-proofing went for recently released ones: MSI Z87-G41-PCMate and Intel i3-4130 with 4400 HD graphics. The system performs excellently with Ubuntu 13.10, so I know there are no hardware problems, but I need to continue running XP because it runs several thousand pounds (UK) worth of software, which meets my needs more than adequately: in some cases there is no longer support for later Windows releases, and in most others an expensive and to me unnecessary upgrade is required. Problem: The motherboard specifications claim Windows XP support for the live driver update utility, which misled me into believing that XP drivers were available. Not true: Intel have apparently refused to provide XP drivers for Haswell chips. The update program runs on XP, but finds no suitable Intel drivers. The system is more or less running on the default fail-safe VGA driver, but DirectX will not load, which stops a number of my applications from running. I have been trawling the internet for a month now, but I have not found a graphics driver which will load successfully: all show "This device cannot start. (code 10)". I don't need HDMI support: my monitor is 1280x1024 and connected through the VGA port, so all I need is a driver which will handle this resolution well enough to support DirectX. Has anyone found a driver which will do this? Please don't reply with information found from internet searches, unless you have actually solved this problem: be assured that I have been all round the houses looking at solutions which others have reported as working, but none of them does for me. Incidentally, I did find an Intel HD sound driver which XP accepts (winxp_145111.exe from Intel), though without connecting to an HDMI port on a TV or sound system I have no idea if it works in practice. However, the graphics section of the same driver fails, like all the others I've tried.

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• Turn off email notification from abrt (Automatic Bug Reporting Tool)

  - by Banjer

  I'm configuring CentOS 6.2 and have seen a few "[abrt] full crash report" emails. I understand that abrt is useful for creating crash dumps and what not, so I don't want to disable the service, I just would like to stop getting the crash report emails. I probably have to add something to the config file in /etc/abrt/abrt.conf. I can't seem to find anything in my searches. Any idea? Thanks. Edit: Here is my abrt.conf, which is rather simple. [root@myhost~]# cat /etc/abrt/abrt.conf # Enable this if you want abrtd to auto-unpack crashdump tarballs which appear # in this directory (for example, uploaded via ftp, scp etc). # Note: you must ensure that whatever directory you specify here exists # and is writable for abrtd. abrtd will not create it automatically. # #WatchCrashdumpArchiveDir = /var/spool/abrt-upload # Max size for crash storage [MiB] or 0 for unlimited # MaxCrashReportsSize = 1000 # Specify where you want to store coredumps and all files which are needed for # reporting. (default:/var/spool/abrt) # #DumpLocation = /var/spool/abrt And a listing of /etc/abrt: [root@myhost~]# ls -la /etc/abrt total 32 drwxr-xr-x. 3 root root 4096 Apr 13 06:14 . drwxr-xr-x. 97 root root 12288 Apr 13 03:50 .. -rw-r--r--. 1 root root 527 Dec 13 22:50 abrt-action-save-package-data.conf -rw-r--r--. 1 root root 572 Dec 13 22:50 abrt.conf -rw-r--r--. 1 root root 175 Dec 13 22:50 gpg_keys drwxr-xr-x. 2 root root 4096 Apr 13 06:13 plugins [root@myhost~]# ls -la /etc/abrt/plugins/ total 12 drwxr-xr-x. 2 root root 4096 Apr 13 06:13 . drwxr-xr-x. 3 root root 4096 Apr 13 06:14 .. -rw-r--r--. 1 root root 278 Dec 13 22:50 CCpp.conf Actually all of those conf files above are only a few lines and do not mention anything about mail, email, or notifications.

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• HP F2180 driver installation fails on 64-bit Windows 7

  - by Noam Gal

  Hello; I am trying to install the HP Deskjet AIO (non-network) driver on my machine, which is running the 64-bit version of Windows 7. Before installing it, Windows detected my printer just fine... But I wanted to use the HP scanning application, because tt allows me to scan several photos at once. I ran the DJ_AIO_NonNetwork_ENU_NB file I got from their site, and the installation went almost without a problem... However, at the part where it should have detected the printer, it didn't, so I skipped it - telling the installer I'll connect the printer later. After it was finished I was able to use it regularly, and also scan using the wanted HP application. However, the installer kept popping at random intervals, and giving me an error message. Yesterday I tried removing all the installed HP Applications, and installing from scratch. Running the same installer setup, it now insists that it does not support my operating system, and that 64-bit Vista is the highest it can go... I just don't understand why this is occuring all of the sudden. Has anybody here successfully installed the AIO driver on the 64-bit version of Windows 7? UPDATE: Been chatting with HP chat support over the weekend. Managed to really mess up my windows. At first, they told me to uninstall using an "unintall_l3" batch file inside their installer package, and then reinstall. Didn't work. Also the "l4" batch didn't make any difference. Afterwards I was told to install "Windows install clean up" and remove many hp entries (most of which were not listed on my computer), and I also removed many other hp entries I bumped upon. Then my office 2k7 started failing. I searched around the web, and ran Security Restore, so now my office works, but my windows explorer is all buggy - can't seem to open windows explorer - it hangs while trying to load my hard drives, or completely ignores them and just shows my libraries. Anyone here has any idea how I can restore my win7 to normal, with or without the annoying scanner? UPDATE 2: Ok - explorer back to normal. I guess I just had to wait until it finishes searching while opening the windows explorer for the first time after the Security Restore. Scanner still not working though.

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• Filtering Security Logs by User and Logon Type

  - by Trido

  I have been asked to find out when a user has logged on to the system in the last week. Now the audit logs in Windows should contain all the info I need. I think if I search for Event ID 4624 (Logon Success) with a specific AD user and Logon Type 2 (Interactive Logon) that it should give me the information I need, but for the life of my I cannot figure out how to actually filter the Event Log to get this information. Is it possible inside of the Event Viewer or do you need to use an external tool to parse it to this level? I found http://nerdsknowbest.blogspot.com.au/2013/03/filter-security-event-logs-by-user-in.html which seemed to be part of what I needed. I modified it slightly to only give me the last 7 days worth. Below is the XML I tried. <QueryList> <Query Id="0" Path="Security"> <Select Path="Security">*[System[(EventID=4624) and TimeCreated[timediff(@SystemTime) &lt;= 604800000]]]</Select> <Select Path="Security">*[EventData[Data[@Name='Logon Type']='2']]</Select> <Select Path="Security">*[EventData[Data[@Name='subjectUsername']='Domain\Username']]</Select> </Query> </QueryList> It only gave me the last 7 days, but the rest of it did not work. Can anyone assist me with this? EDIT Thanks to the suggestions of Lucky Luke I have been making progress. The below is my current query, although as I will explain it isn't returning any results. <QueryList> <Query Id="0" Path="Security"> <Select Path="Security"> *[System[(EventID='4624')] and System[TimeCreated[timediff(@SystemTime) &lt;= 604800000]] and EventData[Data[@Name='TargetUserName']='john.doe'] and EventData[Data[@Name='LogonType']='2'] ] </Select> </Query> </QueryList> As I mentioned, it wasn't returning any results so I have been messing with it a bit. I can get it to produce the results correctly until I add in the LogonType line. After that, it returns no results. Any idea why this might be? EDIT 2 I updated the LogonType line to the following: EventData[Data[@Name='LogonType'] and (Data='2' or Data='7')] This should capture Workstation Logons as well as Workstation Unlocks, but I still get nothing. I then modify it to search for other Logon Types like 3, or 8 which it finds plenty of. This leads me to believe that the query works correctly, but for some reason there are no entries in the Event Logs with Logon Type equalling 2 and this makes no sense to me. Is it possible to turn this off?

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• Intermittently, IIS7 requests get stuck in WindowsAuthenticationModule

  - by rbeier

  Hi, We're running an IIS7 server hosting several dozen websites. Several of these websites are all part of the same legacy app we've developed. These sites all run the same code and run in the same app pool. Roughly once a month over the past few months, we've found that all requests for this app pool start hanging indefinitely. When this happens, we receive an alert and we recycle the app pool. After that, the sites start working again. This only ever affects this one app pool - never any others on the same server. A couple times, before recycling the pool, I've looked at the currently-executing requests in the worker process. They all show up as executing inside the WindowsAuthenticationModule. Which is strange, because the vast majority of the application does not require authentication. There is a small admin section which uses Windows auth... but all the other requests should be anonymous. Does anyone have any idea as to what might be causing this? There are several unusual things about the way these sites are set up. As I mentioned, they all run the same code - multiple sites point at the same physical directory. The only difference is the host header bindings. I'm not sure why there isn't just one site with all the host headers, but that's how it works. In several of these sites, the same physical directory is mapped at two levels - as the root of the site and again as an application within the site. So if a user goes to http://oursite.com/index.aspx, that maps to c:\files\oursite\index.aspx. If a user goes to http://oursite.com/foo/index.aspx, that also maps to c:\files\oursite\index.aspx. I think there is code which looks at the request URL and handles the two requests differently. This is strange because the same web.config ends up being interpreted as a site config file, and also as an application config file within the site. I don't know if this might be related to the authentication problem. If we can't find the cause, we're thinking of a few workarounds we could try: Move the admin section into a separate site, and give the client a new admin URL. Run that separate site in its own app pool. Then in the web.config shared by all the other sites, remove the WindowsAuthenticationModule. That way there should be no possibility of a hang within the WindowsAuthenticationModule. Try running all these sites in the classic pipeline instead of the integrated pipeline. They were working fine on our old IIS6 server... (If we get desperate) Set up a watchdog script which monitors the sites and auto-recycles the app pool when it detects that requests are getting stuck. What do you think? Thanks for your help, Richard

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• Blank displays after inactivity, mouse cursor not showing up

  - by Mike Christiansen

  I have a Windows 7 Enterprise x86 machine that is exhibiting some strange problems. After some inactivity (it varies how long it takes), when I come back to my computer, both of my monitors are black. The monitors are on, with a black display. Moving the mouse and pressing keys on the keyboard do not work. This happens at least once a day. When I first encountered the issue, I performed a hard shutdown and restarted the computer. About 10% of the time when I did this, the resolutions on my monitors were messed up. The native resolution on the primary monitor is 1600x900, and the native on my secondary is 1440x900. None of the widescreen resolutions would be present in the display properties. I had 800x600, 1024x768, and 1280x1024. As a workaround to this issue, I've found that if I plug in my secondary monitor as the primary monitor, and leave the secondary unplugged, then Windows will start in 1024x768 on the secondary. Then, I can use Windows 7's "Detect" feature and it finds the 1440x900 resolution, and sets it. Then I have to connect the primary monitor to the secondary port and set it as the primary. Then I can switch the two cables, putting the primary into the primary, the secondary into the secondary. Then use the "Detect" feature again, and it finds the correct resolutions. Some time after performing the above, I discovered that when the screens were blanked, I could simply press "Control+Alt+Delete", type in my password, and everything comes up fine - except my mouse cursor. All applications and features work as intended, except there is no mouse cursor (the mouse actually works though...). I have the "Show location of pointer when I press CTRL key" option selected, so I can press CTRL and use my mouse as normal - but I have no actual cursor. When the computer is in this state, UAC is also not functional. Whenever a UAC prompt appears, the screens go black (the original symptoms) and I have to press Escape to exit UAC. Because of the above symptoms (the UAC black screen thing, etc) I beleive winlogon.exe may be the culprit. However, I have no idea how to fix it. I am unable to restart winlogon.exe due to the problems I am having with winlogon.exe (the UAC black screen) Looking for any ideas.... More information Windows 7 x86 Enterprise Domain environment (I have a secondary account with administrator rights) Dell Optiplex 960 Cannot perform "optional" windows updates due to an activation issue (I am testing a windows 7 image, and an activation infrastructure has not been created yet. However, this issue was happening before I was unable to perform windows update, and windows was up to date at the time Updated video card driver (as an attempt to fixing the resolution issue) Disabled all power saving options Please let me know what else you need to help me solve this issue! Thanks in advance, Mike

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• Has the hardware in my modem gone bad?

  - by Tyler Scott

  I contacted CenturyLink about my modem recently and received useless and unrelated information. The problem seems to be that the modem will no longer save settings, the web interface is unusable except in internet explorer for some reason, and the modem keeps resetting. CenturyLink claimed it had to do with signal strength but I checked and it is currently between good and outstanding according to this. All of the lights remain green even when it starts acting up and I lose internet and shortly before it crashes and reboots. Does anyone have any idea what is going on or what I can do to fix it? (Asking CenturyLink again is obviously not going to help.) Update 1: Accessing the syslog from the web interface causes a crash. After it reboots, the log looks like as follows: 01/01/1970 12:01:29 AM Ethernet Ethernet client connected ,ip(192.168.0.2), mac(1c:6f:65:4c:6d:3b) 01/01/1970 12:01:38 AM Wireless 802.11 client connected ,ip(192.168.0.18), mac(d0:df:c7:c2:73:ca) 01/01/1970 12:01:41 AM System Event Line 0: VDSL2 link up, Bearer 0, us=20128, ds=40127 01/01/1970 12:01:43 AM dhcp6s[2028] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 01/01/1970 12:01:50 AM dhcp6s[2469] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 01/01/1970 12:01:52 AM radvd[2306] poll error: Interrupted system call 01/01/1970 12:01:56 AM PPP Link PPP server detected. 01/01/1970 12:01:56 AM PPP Link PPP session established. 01/01/1970 12:01:56 AM PPP Link PPP LCP UP. 01/01/1970 12:01:56 AM System Event Received valid IP address from server. Connection UP. 06/05/2014 08:16:01 AM radvd[2511] poll error: Interrupted system call 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:03 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:04 AM System Event Dead loop on virtual device tun6rd, fix it urgently! 06/05/2014 08:16:04 AM dhcp6s[3236] dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 06/05/2014 08:16:08 AM Wireless 802.11 client connected ,ip(192.168.0.7), mac(44:6d:57:c4:d7:08) I also get it to crash on various other pages. I am guessing the web server is unstable.

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• Is there a way to permanently arrange 2 displays under XP?

  - by rumtscho

  When I am home or on a business trip, or on a meeting, I use my laptop in the usual way. When I get to work, I put it on the docking station and boot it with the lid closed. The image appears on the two displays connected to the docking station. On the left, there is an old monitor connected over VGA, on the right, a big widescreen connected over DVI. Obviously, the videocard seems to think that the DVI is the primary output, and the VGA the secondary one. Thus Windows always displays the widescreen on the left and the old FSC monitor on the right. So when I want to move the mouse pointer from the (physically) left display to the (physically) right display, I have to move it from right to left, which is a usability nightmare. Of course, I can just drag one display over the other one in the display properties, and then everything is as it should be. The catch: Windows remembers this only as long as it has the two displays. Every time it runs on the laptop display, it forgets the setting. Physically switching the monitors isn't an option, for ergonomical reasons. I prefer to run the more important applications on the bigger screen with the better colourspace, and the shape of my desk forces me to sit off-center, so the more important applications should be shown on the right display. Just switching the video ports doesn't help either. When I connect the big monitor over VGA, image quality deteriorates visibly. So what I do now is: every time I bring the laptop to my desk, I boot it. I wait the whole 7 minutes of XP booting, syncing network drives, etc. Then I fire up the display properties, switch to the last tab, drag the widescreen display to the right, and close. Only then can I start working. Does someone have a better idea? The laptop is a Dell Latitude 630 with Windows XP SP 3. It has an nVidia graphics card (not an onboard chip).

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• Where to get laptop replacement parts?

  - by wai

  I am sure some of us have older laptops that still works but just one or two parts started not working very well. However, to send it back to the manufacturer for repair might not be worth the money (as some of them even charge consultation fees just to have it checked) as these old laptops are most probably well beyond warranty. Replacing these one or two parts could give your laptop a new lease of life. For example, I have a Dell Inspiron 640m which the fan recently failed. Everything else still works. I know enough to open up the laptop (after reading the service manual) and put it back together again, hence a replacement fan could save it. However, finding these parts turned out to be difficult. I guess I wouldn't be able to get it from Dell since I have been searching around the Dell forums and concluded if I were going to get Dell to at least talk to me, I would have to pay some money (since my warranty expired). I found this online:- http://www.parts-people.com/index.php?action=item&id=3725 However, as I don't live in the United States, shipping alone would cost me 3 times more than the part in question. In addition, if there's a problem, it would be difficult because I probably would have to mail the parts back (costing more money). One of my friend spilled water on her Macbook, she sent it back to Apple and they told her the cost of repairing it exceeds that of buying a new Macbook. They probably have to change everything except the LCD screen. I opened it up and found that most of the parts are still working, only the RAM had fried. Replaced it and it's working again. For some time before discovering only the RAM fried, I was toying with the idea of replacing the logic board myself but looks like I didn't have to. =) Now I know there's a site for Macbooks used replacement parts:- http://www.ifixit.com/ The question is, does anyone know where to get replacement parts at their own locality? It might benefit the community as a whole. Someone might know a local computer store that sells precisely just the things we needed (for now, I hope to find a shop that sells just the fan). If you own a laptop which you had an easy experience finding the replacement parts, do post that as well. PS: I wish laptop manufacturers have outlets where they sell these replacement parts (or at least let you place an order).

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• Windows Server 2008 R2 time keeps changing unexpectedly

  - by lmhost

  There is a serious problem with one of my servers time. At some random hours (5:59 localtime in the following example) it goes 1 hour back and keeps doing this again and again next times it reaches 5:59. Like this: 5:59-4:59 … 5:59- 4:59 and so on. It stays in the loop until I manually update its time. The server OS is Windows 2008 R2 Standard x64, acting as a standalone web server on the internet. time zone (UTC-05:00). system log: Information 4/13/2012 5:59:34 PM Kernel-General 1 None Information 4/13/2012 5:59:34 PM Kernel-General 1 None Information 4/13/2012 5:59:34 PM Kernel-General 1 None Information 4/13/2012 5:59:34 PM Kernel-General 1 None Information 4/13/2012 5:59:34 PM Kernel-General 1 None Information 4/13/2012 5:59:34 PM Kernel-General 1 None all of the above entries have same content: The system time has changed to ?2012?-?04?-?13T21:59:34.500000000Z from ?2012?-?04?-?13T22:59:34.500000000Z. Details XML View: - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> - <System> <Provider Name="Microsoft-Windows-Kernel-General" Guid="{A68CA8B7-004F-D7B6-A698-07E2DE0F1F5D}" /> <EventID>1</EventID> <Version>0</Version> <Level>4</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x8000000000000010</Keywords> <TimeCreated SystemTime="2012-04-13T21:59:34.500000000Z" /> <EventRecordID>4060</EventRecordID> <Correlation /> <Execution ProcessID="4" ThreadID="80" /> <Channel>System</Channel> <Computer>********</Computer> <Security UserID="S-1-5-18" /> </System> - <EventData> <Data Name="NewTime">2012-04-13T21:59:34.500000000Z</Data> <Data Name="OldTime">2012-04-13T22:59:34.500000000Z</Data> </EventData> </Event> Any idea about what’s going on? Thanks

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• Complete Active Directory redesign and GPO application

  - by Wolfgang Kuehne

  after much testing and hundreds of tries and hours invested I decided to consult you experts here. Overview: I want to apply some GPO to our users which will add some specific site to the Trusted Sites in Internet Explorer settings for all users. However, the more I try the more confusing the results become. The GPO is either applied to one group of users, or to another one. Finally, I came to the conclusion that this weird behavior is cause rather by the poor organization in Users and Groups in Active Directory. As such I want to kick the problem from the root: Redesign the Active Directory Users and Groups. Scenario: There is one Domain Controller, and we use Terminal Services (so there is a Terminal Server as well). Users usually log on to the Terminal Server using Remote Desktop to perform their daily tasks. I would classify the users in the following way: IT: Admins, Software Development Business: Administration, Management The current structure of the Active Directory Users and Groups is a result of the previous IT management. The company has used Small Business Server which has created multiple default user groups and containers. Unfortunately, the guys working before me have do no documentation at all. Now, as I inherit this structure I am in the no mans land. No idea which direction to head first. As you can see, the Active Directory User and Groups have become a bit confusing. There is no SBS anymore, but when migrating from SBS to the current Windows Server 2008 R2 environment the guys before me have simply copied the same structure. The real question: Where should I start cleaning from, ensuring that I won't break totally the current infrastructure? What is a nice organization for the scenario that I have explained above? Possible useful info for the current structure: Computers folder contains Terminal Services Computers user group Members: TerminalServer computer located at Server -> Terminalserver OU Member of: NONE Foreign Security Principals : EMPTY Managed Service Accounts : EMPTY Microsoft Exchange Security Groups : not sure if needed, our emails are administered by external service provider Distribution Groups : not sure if needed Security Groups : there are couple of groups which are needed SBS users : contains all the users Terminalserver : contains only the TerminalServer machine

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• Bash-Scripting - Munin Plugin don't work

  - by FTV Admin

  i have written a munin-plugin to count the http-statuscodes of lighttpd. The script: #!/bin/bash ###################################### # Munin-Script: Lighttpd-Statuscodes # ###################################### ##Config # path to lighttpd access.log LIGHTTPD_ACCESS_LOG_PATH="/var/log/lighttpd/access.log" # rows to parse in logfile (higher value incrase time to run plugin. if value to low you may get bad counting) LOG_ROWS="200000" # #munin case $1 in autoconf) # check config AVAILABLE=`ls $LIGHTTPD_ACCESS_LOG_PATH` if [ "$AVAILABLE" = "$LIGHTTPD_ACCESS_LOG_PATH" ]; then echo "yes" else echo "No: "$AVAILABLE echo "Please check your config!" fi exit 0;; config) # graph config cat <<'EOM' graph_title Lighhtpd Statuscodes graph_vlabel http-statuscodes / min graph_category lighttpd 1xx.label 1xx 2xx.label 2xx 3xx.label 3xx 4xx.label 4xx 5xx.label 5xx EOM exit 0;; esac ## calculate AVAILABLE=`ls $LIGHTTPD_ACCESS_LOG_PATH` if [ "$AVAILABLE" = "$LIGHTTPD_ACCESS_LOG_PATH" ]; then TIME_NOW=`date` CODE_1xx="0" CODE_2xx="0" CODE_3xx="0" CODE_4xx="0" CODE_5xx="0" for i in 1 2 3 4 5; do TIME5=`date +%d/%b/%Y:%k:%M --date "$TIME_NOW -"$i"min"` CODE_1xx=$(( $CODE_1xx + `tail -n $LOG_ROWS $LIGHTTPD_ACCESS_LOG_PATH | grep "$TIME5" | grep 'HTTP/1.1" 1' | grep -c " "` )) CODE_2xx=$(( $CODE_2xx + `tail -n $LOG_ROWS $LIGHTTPD_ACCESS_LOG_PATH | grep "$TIME5" | grep 'HTTP/1.1" 2' | grep -c " "` )) CODE_3xx=$(( $CODE_3xx + `tail -n $LOG_ROWS $LIGHTTPD_ACCESS_LOG_PATH | grep "$TIME5" | grep 'HTTP/1.1" 3' | grep -c " "` )) CODE_4xx=$(( $CODE_4xx + `tail -n $LOG_ROWS $LIGHTTPD_ACCESS_LOG_PATH | grep "$TIME5" | grep 'HTTP/1.1" 4' | grep -c " "` )) CODE_5xx=$(( $CODE_5xx + `tail -n $LOG_ROWS $LIGHTTPD_ACCESS_LOG_PATH | grep "$TIME5" | grep 'HTTP/1.1" 5' | grep -c " "` )) done CODE_1xx=$(( $CODE_1xx / 5 )) CODE_2xx=$(( $CODE_2xx / 5 )) CODE_3xx=$(( $CODE_3xx / 5 )) CODE_4xx=$(( $CODE_4xx / 5 )) CODE_5xx=$(( $CODE_5xx / 5 )) echo "1xx.value "$CODE_1xx echo "2xx.value "$CODE_2xx echo "3xx.value "$CODE_3xx echo "4xx.value "$CODE_4xx echo "5xx.value "$CODE_5xx else echo "1xx.value U" echo "2xx.value U" echo "3xx.value U" echo "4xx.value U" echo "5xx.value U" fi If i run the script on local machine it runs perfectly: root@server1 /etc/munin/plugins # ll lrwxrwxrwx 1 root root 45 2011-12-19 15:23 lighttpd_statuscodes -> /usr/share/munin/plugins/lighttpd_statuscodes* root@server1 /etc/munin/plugins # ./lighttpd_statuscodes autoconf yes root@server1 /etc/munin/plugins # ./lighttpd_statuscodes config graph_title Lighhtpd Statuscodes graph_vlabel http-statuscodes / min graph_category lighttpd 1xx.label 1xx 2xx.label 2xx 3xx.label 3xx 4xx.label 4xx 5xx.label 5xx root@server1 /etc/munin/plugins #./lighttpd_statuscodes 1xx.value 0 2xx.value 5834 3xx.value 1892 4xx.value 0 5xx.value 0 But Munin shows no graph: http://s1.directupload.net/images/111219/3psgq3vb.jpg I have tested the Plugin from munin-server via telnet: root@munin-server /etc/munin/plugins/ # telnet 123.123.123.123 4949 Trying 123.123.123.123... Connected to 123.123.123.123. Escape character is '^]'. # munin node at server1.cluster1 fetch lighttpd_statuscodes 1xx.value U 2xx.value U 3xx.value U 4xx.value U 5xx.value U . Connection closed by foreign host. You can see in the script that value = U only printed, when the script can't check the lighttpd's access.log. But why can't script do it, when running via munin, and when running on local machine all is ok? Is there a bug in my bash-script? I have no Idea. Thanks for helping!

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• Where to get laptop replacement parts?

  - by wai

  I am sure some of us have older laptops that still works but just one or two parts started not working very well. However, to send it back to the manufacturer for repair might not be worth the money (as some of them even charge consultation fees just to have it checked) as these old laptops are most probably well beyond warranty. Replacing these one or two parts could give your laptop a new lease of life. For example, I have a Dell Inspiron 640m which the fan recently failed. Everything else still works. I know enough to open up the laptop (after reading the service manual) and put it back together again, hence a replacement fan could save it. However, finding these parts turned out to be difficult. I guess I wouldn't be able to get it from Dell since I have been searching around the Dell forums and concluded if I were going to get Dell to at least talk to me, I would have to pay some money (since my warranty expired). I found this online:- http://www.parts-people.com/index.php?action=item&id=3725 However, as I don't live in the United States, shipping alone would cost me 3 times more than the part in question. In addition, if there's a problem, it would be difficult because I probably would have to mail the parts back (costing more money). One of my friend spilled water on her Macbook, she sent it back to Apple and they told her the cost of repairing it exceeds that of buying a new Macbook. They probably have to change everything except the LCD screen. I opened it up and found that most of the parts are still working, only the RAM had fried. Replaced it and it's working again. For some time before discovering only the RAM fried, I was toying with the idea of replacing the logic board myself but looks like I didn't have to. =) Now I know there's a site for Macbooks used replacement parts:- http://www.ifixit.com/ The question is, does anyone know where to get replacement parts at their own locality? It might benefit the community as a whole. Someone might know a local computer store that sells precisely just the things we needed (for now, I hope to find a shop that sells just the fan). If you own a laptop which you had an easy experience finding the replacement parts, do post that as well. PS: I wish laptop manufacturers have outlets where they sell these replacement parts (or at least let you place an order).

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• Weird DNS bug - external server resolves to internal IP

  - by emilecantin

  I have a server that is hosted by my university. I have root access, but no control over network setup, firewall, etc. This server's DNS resolves to an internal IP here on campus (10.x.x.x), and an external IP outside campus. I also have a few servers hosted at Amazon, and they mostly work well. However, one of them started to resolve the university server by its internal IP address. This causes problems, as 10.x.x.x on Amazon EC2 is someone else. I have connected to the Amazon server with SSH agent forwarding a few times in the past, to access a Git repository on the university server. Any idea what could cause this? EDIT: Here's my /etc/resolv.conf # Generated by dhcpcd for interface eth0 search ec2.internal nameserver 172.16.0.23 Here's the output of dig myserver.myuniversity.ca.: ; <<>> DiG 9.8.1-P1 <<>> myserver.myuniversity.ca. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34470 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;myserver.myuniversity.ca. IN A ;; ANSWER SECTION: myserver.myuniversity.ca. 537586 IN A 10.43.x.x ;; Query time: 2 msec ;; SERVER: 172.16.0.23#53(172.16.0.23) ;; WHEN: Wed Nov 28 16:07:21 2012 ;; MSG SIZE rcvd: 60 Here's the expected output (on another Amazon server): ; <<>> DiG 9.8.1-P1 <<>> myserver.myuniversity.ca. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8045 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;myserver.myuniversity.ca. IN A ;; ANSWER SECTION: myserver.myuniversity.ca. 601733 IN A x.x.239.1 ;; Query time: 1 msec ;; SERVER: 172.16.0.23#53(172.16.0.23) ;; WHEN: Wed Nov 28 16:09:36 2012 ;; MSG SIZE rcvd: 60

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• usb mouse connecting and disconnecting randomly and often

  - by Kalec

  Yes, I know this question has been asked here before but I can't add to the discussion over there and it did not help me, so here goes nothing. I've bought an acer aspire 5742G about 2 months ago or so and it's been running great, but sometimes I used to hear the windows error beep but I had no idea what was causing it since the "bug" was automatically fixed so fast I couldn't even see an error message (also it kinda always happened when I was busy also, either in a game or while doing my homework). Later on my mouse would simply not work for 3-5 seconds then work again, I thought nothing of it at the time. I also had a problem where it only worked in one usb and one only ... to move it I had to remove the battery, unplug the laptop and hold the power button for 2 minutes to reset the bios settings. Since today though it went nuts ... sometimes it disconnects / reconnects 12 times in 10 seconds and windows just keeps beeping till I unplug it, then it runs smooth for 5-6 minutes then it goes nuts again. Other times it seems like it skips (disconnects for a fraction of a second) other times just for 2-3 seconds. But this is incredibly frustrating. Sometimes the power just goes down (the laser turns off) and well that at least I would understand but this is a rare occurance. Now I know the usb ports work since I have a lot of other devices connected and I tried the mouse on a room m8's laptop so the mouse also works. My only conclusion is that it's an operating system / settings bug and / or problem (I have tried the mouse in all ports by the way). All drivers and bios are up to date (maybe except mouse but i can't seem to update that and the mouse has no name, just a serial number which helps with nothing. Still it worked till today and nothing should have changed any way). I have made sure windows can't shut it down to save power (in device management). Also I tried to delete the drivers and re-install them, rebooting and the power button trick but nothing ... most I have done is get rid of the 12 discconnects / reconnects every 10 seconds :) but that's all :( I would buy a new one but I'm afraid it might do the same thing :| ****EDIT****** Tried the mouse again at a friend but now it didn't even install it's software nor did the update work ... think I'll just buy a new one but I'd still like a suggestion at least so I'll leave this open

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• Connecting multiple ColdFusion 10 instances to a single Apache 2.2 server

  - by Adam Cameron

  This is on Windows 7 Home Premium edition. I have got two ColdFusion 10 (updater 2) instances: "cfusion" (the default one), and "scratch". I have got a single instance of Apache 2.2 running. Within Apache, I have set up two virtual hosts, each of which needs to be served by a different ColdFusion instance. Each of the CF instances serves files fine via Tomcat's internal web server. Apache serves vanilla HTML files fine too. So both CF instances, and both virtual hosts separately work OK. I can get wsconfig.exe to connect either one of the CF instances to the Apache server, and serve CF files via Apache & that instance. However I cannot find a way of connecting the second CF instance to Apache as well, so that both CF instances are conected, each serving one of the virtual hosts. WSConfig doesn't seem to understand the notion of "multiple CF instances", and the changes it makes to the httpd.conf (via mod_jk.conf) does not seem to be implemented in such a way as to accommodate multiple CF instances talking to a single Apache instance, or multiple virtual hosts. I freely admit to not being confident enough with how mod_jk (or even really httpd.conf) works to be able to guess if I can change stuff to make it work. If I try to add the second CF instance using WSConfig, I just get a message "the web server is already configured for ColdFusion". Be that as it may... not the instance of ColdFusion I want to connect it to! If I remove the existing connector to whichever instance is already connected, I can then connect the other one no problems. Not that this helps, but it demonstrates that the CF instance can connect to Apache. This all used to be fairly straight fwd under older versions of CF and JRun :-( The only docs I have found are on the "Connect multiple Apache virtual hosts on a web server to a single ColdFusion server" page, but that specifically only deals with a single CF instance. There is no equivalent page for multiple CF instances. I'm kinda hoping I can move some of the mod_jk config into my virtual host entries in httpd-vhosts.conf (this is how it used to work for JRun), but I've no idea what to put where. I think I've covered all the necessary info here? If not, sing out and I'll add more. Thanks. PS: tried to specifically tag this as "ColdFusion-10" as the answer will be different from previous CF versions, but it won't let me cos my rep on this site is too low (odd how it doesn't consider my rep from other S/O sites...). If someone with sufficient rep can add it, that'd be cool: it's probably a valid tag to have. Ta.

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• Convert mkv/h264 video so it can be played on a "mid-range" Sony Ericsson phone. (using Ubuntu).

  - by Johan

  Hi As a little experiment I thinking of converting some video/movies/tv-series into a format that could be playable on my K850, but to be a little bit more generic in this question let's say "mid range Sony Ericsson" phone since they all more or less behave the same and has the same screen resolution (240 x 320). I am looking for command line based tools (for Ubuntu), since I am thinking about writing a "convert and move" script later if it is successful. A lot of the video I have is encoded in mkv/h264, but since that is not supported by the phone I guess that I need to convert it into some mp4/mpeg4 low quality video. After some googling it seems like a good candidate for the job is ffmpeg, but that seems to be a very versatile tool with a lot of magic tricks. Am I on the right track? And if so how do I use ffmpeg to do this? Thanks Johan Update: After plating a little bit with ffmeg I noticed that it only uses 1 of my 4 cores, so the transcoding takes forever. I found a arg called -threads but that did not change much, maybe I got it wrong. I also found that something like this plays in the phone. ffmpeg -i Mythbusters\ S1D1_1.mkv -threads 4 -t 180 -vcodec mpeg4 -r 15 -s 320x240 Mythbusters\ S1D1_1_mini.mp4 It was possible to use 3gp/h263, but the quality was really useless. ffmpeg -i Mythbusters\ S1D1_1.mkv -t 180 -vcodec h263 -acodec libfaac -s cif Mythbusters\ S1D1_1_cif.3gp And it seems like mp4/h264 is also possible and the result is ok, thanks to this question, this one seem to use more than one core as well so it was a little bit faster for me. ffmpeg -i Mythbusters_S1D1_1.mkv -t 180 -acodec libfaac -ab 60k -s 320x240 -vcodec libx264 -b 500k -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -flags2 +mixed_refs -me_method umh -subq 6 -trellis 1 -refs 5 -coder 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 500k -maxrate 768k -bufsize 2M -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -level 13 -threads 0 -f mp4 Mythbusters_S1D1_1_qvga.mp4 Update: I have tried to use HandBrakeCLI and it is no problem creating a new file that seem to be the same as the one created with ffmpeg with something like this. HandBrakeCLI -i Mythbusters_S1D1_1.mkv --size 100 -E faac -B 60 --maxHeight 240 -r 15 -e x264 -o Mythbusters_S1D1_1_hand.mp4 But that one did not play in the phone... I found this in the official manual: If you transfer video clips using another program than Media Go™, we recommend that you select H.264 Baseline profile video, up to QVGA at 30 fps, VBR 384 kbps (max 768 kps) with AAC+ audio at 128 kbps (max 255 kbps), 48 kHz and stereo audio in mp4 file format. So the idea to use H264 seems to be correct.

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• CentOS 5.8 dig is not resolving ip-address

  - by travisbotello

  I'm running centos 5.8 on a local machine at home. Today I was trying to analyze the DNS-Lookup via dig. $ dig +trace -t A www.heise.de. This is giving me something like this as a response de. 172800 IN NS f.nic.de. de. 172800 IN NS z.nic.de. de. 172800 IN NS s.de.net. de. 172800 IN NS n.de.net. de. 172800 IN NS a.nic.de. de. 172800 IN NS l.de.net. ;; Received 344 bytes from 192.58.128.30#53(192.58.128.30) in 49 ms In contrast my dedicated CentOS machine is returning the following de. 172800 IN NS a.nic.de. de. 172800 IN NS n.de.net. de. 172800 IN NS f.nic.de. de. 172800 IN NS z.nic.de. de. 172800 IN NS l.de.net. de. 172800 IN NS s.de.net. ;; Received 344 bytes from 192.58.128.30#53(j.root-servers.net) in 32 ms As you can see, the last line is different. Any idea why my dedicated machine is giving me the host name of the responding DNS-Server and my local machine is only returning the ip-address? Thanks in advance UPDATE The reverse DNS-Lookup is working without any problems. Also, I just checked this on my local mac and...exactly the same problem occurs. Is it possible that this has to do with the local router/modem/ISP?

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• Some sites won't load on Ubuntu/Mint

  - by Or W

  I have a REALLY weird problem with either my network or my OS. Last week I've suddenly had difficulties loading some websites or even more odd some parts of different websites. For example, I could load gmail.com, login and view the list of emails in my inbox but when I clicked one of them it would just time out. Another example is http://www.ynet.co.il, I can view the home page but going into any one of the articles fails (times out). I've tried Chrome, Firefox and Opera, all fail the same way. If I take a URL of a page I cannot load via the browser and try to wget it though the console I get the file just fine. I've formatted my machine (Used to run Ubuntu 13.04) and installed Mint Linux this time, it worked fine for a few days and now, again, having the same exact issues. Important to note that I have other machines connected either directly or via Wi-Fi to the router and they are all working fine (two win7 machines and 1 raspberry pi). Another strange behavior is that I can ftp or ssh to remote machines but cannot send files via ftp (times out) even if I set passive mode ON and when using ssh I can do just about anything but I cannot paste text into the remote machine, for example if I nano a file on the remote machine and try to paste anything from my clipboard it freezes. What I've tried so far: Disable IPv6 on the networking admin (and on firefox disabling ipv6 on the about:config page) Changing the port and the network cable I went to the store and bought a new standalone PCIe network adapter Connected my win7 laptop using the same cable and router port (sites that were not working on my Mint are working just fine on the win7 machine) Loaded Mint from a livecd, got the same result Tried changing the MTU (was 1500, tried 1492) Some observations: When I clear my browser cache and go to facebook.com for example, the homepage loads but I fail to load any profile/group page. If I refresh facebook.com homepage a couple of times it stops and fails to load until I clear my browser cache. I changed the chrome cache folder permissions to 0777 but that did not help. When I run netstat -n I see A LOT of connections that are in 'FIN_WAIT' mode (I'm guessing that's when I try to refresh pages that are not working and timing out), I have no idea what it means or if it helps anyone figure out what's wrong. The sites that are not loading correctly are always that same, they don't vary or anything and they fail to load exactly the same way on all three browsers that I've tried. When I Googled 'Ubuntu some sites not loading' I see a huge amount of complaints just like mine, but none of them that I could find actually says what the problem is or how they fixed it. Technical stuff: netstat -n ps aux netstat -nr

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• How to unlock and remove a protected partition from Prestigio USB stick?

  - by mr.b

  Ok, so, I have one of those fancy schmancy devices, which is given to me by a frustrated friend of mine. Device is a Prestigio Leather 8GB, which identifies itself to Linux host as: Bus 001 Device 006: ID 1307:0165 Transcend Information, Inc. 2GB/4GB Flash Drive Kernel messages as USB device is plugged in: kernel: [ 2769.580042] usb 1-9: new high speed USB device using ehci_hcd and address 7 kernel: [ 2769.714782] scsi8 : usb-storage 1-9:1.0 kernel: [ 2770.713937] scsi 8:0:0:0: Direct-Access 8192MB flash drive 1.00 PQ: 0 ANSI: 2 kernel: [ 2770.714535] scsi 8:0:0:1: Direct-Access 8192MB flash drive 1.00 PQ: 0 ANSI: 2 kernel: [ 2770.715734] sd 8:0:0:0: Attached scsi generic sg3 type 0 kernel: [ 2770.716108] sd 8:0:0:1: Attached scsi generic sg4 type 0 kernel: [ 2770.722175] sd 8:0:0:0: [sdc] 962560 512-byte logical blocks: (492 MB/470 MiB) kernel: [ 2770.722657] sd 8:0:0:0: [sdc] Write Protect is on kernel: [ 2770.731078] sd 8:0:0:1: [sdd] 14012416 512-byte logical blocks: (7.17 GB/6.68 GiB) kernel: [ 2770.731215] sdc: kernel: [ 2770.738251] sd 8:0:0:1: [sdd] Write Protect is off kernel: [ 2770.880328] kernel: [ 2770.885876] sd 8:0:0:0: [sdc] Attached SCSI removable disk kernel: [ 2770.887442] sdd: unknown partition table kernel: [ 2771.049605] sd 8:0:0:1: [sdd] Attached SCSI removable disk So, symptoms are typical for U3-like devices: two separate devices inside of a single flash device. Windows sees it also as two identical usb devices, and mounts two separate drives to system, whereas first one presents itself as a CDROM device, holding a write-protected content, and second is a regular flash-disk partition, that "can" be written to. However, it seems like it's broken in some weird way, since it won't let me write anything to it, format it, nothing, but that's not the issue right now. Question: How can I unlock entire USB stick so it appears to system as a single, 8GB device which can be partitioned and used normally, without restrictions? Since it appeared to be an U3 device, I have tried standard utilities: both U3 Uninstaller by u3.com (found on SoftPedia), and opensource u3_tool from sourceforge (on both Windows and Linux). First utility failed to even detect USB stick as U3 device (simply stood idle while I re-plugged stick several times), while second tool failed with some obscure error about SCSI command unable to do something (I might be able to provide exact errors when I switch back to windows). u3_tool -i /dev/sg3 (Display device info) fails with u3_partition_info() failed: Device reported command failed: status 1 ...and every other option fails with same error, minus first part which states which command precisely has failed. So, apparently, this isn't a U3 device. Or, if it is, it doesn't behave like one. I read on a few occasions that this device protection is done by special command sent to device which tells it to lock itself, and so there should be an unlock command, that would set drive straight. Does anyone have any idea about what could I do to this device to fix it? P.S. I also mentioned a problem with being unable to use second "drive", but I'll tackle that problem when (and if) I manage to merge those two devices into one...

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• Windows 7 The boot selection failed because a required device is inaccessible 0xc000000f

  - by piratejackus

  I have a problem with my Windows 7, hardware : Acer 3820TG Operating Systems : Windows 7 and Ubuntu 10.04 dual Case: When I try to boot my windows 7 I see an error: "Window failed to start. A recent hardware or software change might be the cause. To fix the problem: 1.Insert.... 2. .... ... status : 0xc000000f info : The boot selection failed because a required device is inaccessible .... " I can't exactly remember what were my last actions on Windows. I already searched this error and applied the proposed solutions, I created a repair USB (because I don't have a CD-ROM nor a Windows 7 CD) such as; -repair operating system :it says it cannot repair it -checking disk (chkdsk D: /f /r) : it checks the disk without a problem or error and it takes pretty long (more than a hour). But when I restart, still the same error. -I didn't create a restore point so I pass this option -I don't have a system image -I tried to run windows recovery (I have a recovery partition) but there are just two options: 1- Format the operating system but retain user data (copies the files under users to c\backup folder, but when I searched deeper I found that there are some people who already tried this option and couldn't find their user files under backup directory). Plus, I have unfortunately just one partition D (it is a fault I know) because I use always Ubuntu. So this is not applicable in my situation 2- Format entire system (Windows). I keep my valuable data in windows but not in user folder. I was reaching them from Windows. -I tried to repair windows boot by: bootrec /fixMBR bootrec /fixBoot bootrec /rebuildBCD I lost all grub menu, and reinstalled it. - ubuntuforums.org/showthread.php?t=1014708&page=29 nothing changed, same error. I created a thread in microsoft forums - http://social.answers.microsoft.com/Forums/en-US/w7install/thread/69517faf-850a-45fd- 8195-6d4ed831f805 but I couldn't find a solution. Before I run chkdsk from usb repair disk I couldn't able to mount Windows (NTFS) partition from Ubuntu, I was getting "couldn't mount file system, error code 2". I tried to fix ntfs partition from ubuntu and got "segmentation fault". I also created a thread on ubuntuforums for this mount problem: - http://ubuntuforums.org/showthread.php?t=1606427 So, after chkdsk, I could enable to mount windows partition but all I see in this partition is chkdsk logs, no any other data. Now, I don't think I lost my data because I don't get any filesystem errors, just the boot section, but this log files under windows partition makes me afraid. I see that Microsoft developers don't have a solution yet for this error. If you need any information to get more idea I can give, maybe I miss some points or it could be complicated. Thanks in advance.

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• Setting up a WPA-PSK network card to connect to a WPA2 network

  - by mattshepherd

  I'm currently doing a spare-parts build to put a media computer in the living room, and having a devil of a time getting my Rosewill RNX-6300 wireless card to connect to my network. I'm trying to set it up using Windows as opposed to the proprietary Rosewill software -- the Rosewill software is a little over my head. It can find the network fine, but when I try to connect, I don't get the password prompt -- it moves straight to "validating identity," scans, and then says "Windows was not able to find a certificate to log you on to the wireless network Foo." The maddening thing is that the card was working fine a week ago, in the same box, using the same OS. I pulled everything out, swapped out the motherboard, and reinstalled Windows on a freshly wiped hard drive, and now I can't get it up and running again. Suggestions? I've taken several runs at it, including attempting to manually change the settings for the network to include WPA-PSK and AES and the password, and I'm a bit worried that I've totally boned everything. My router settings: ipconfig/all results from the XP box: Again, this card was working on this network a week ago. I can't figure out why I can't get it up and running now. There's no WPA2 on the card, just WPA and WPA-PSK: WPA-PSK was the only setting that would let me enter a network key. I had TKIP and AES as options there, but cipher type is AES on the router, so I chose that. (I tried TKIP later, when this didn't work, with the same results as described below.) So I set it to WPA-PSK / AES and entered my security key. It's mixed letters and numbers, 32 characters long. No joy. Still "waiting for reply" in the main screen, and "cannot find certificate" on the pop-up. And if I try again and return to the settings again, it is reset to Open/AES. It also re-enables 802.1x in the Authentication tab if I've deselected it with WPA-PSK. It also reshortens the password. I have no idea how I blundered into getting this working in the past. I am, as you can tell, far from proficient at this. It was working before, though. What am I getting wrong?

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