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• Web server with static IP from cable provider

  - by Dmitri

  I have a subscription to 5 static IP addresses. I want to run a web server from behind a router. My network config is as follows: Server's local address is 10.1.10.2, has IIS running on it, port 80 and 443 (IIS is not my fault, had to be done) the server's ip address is static, the subnet mask is 255.255.255.0, gateway is 10.1.10.1, which is the local address of the cable modem / router / gateway thingy. All looks to be in textbook order as far as the LAN goes. I can get to anything on my LAN from any computer on my LAN, whether they have static IP or get it through DHCP from the cable modem/router thingy. however, I have no internet access form any of my LAN computers. I called Comcast tech support and they say they can connect to my modem/router just fine and can actually use it to ping any computer on the internet or any computer on my LAN from the router/modem (i checked, myself, this is in fact the case). However, nothing on my LAN has internet connectivity. I tried pinging the DNS servers, nothing. I tried directly typing in web sites' IP addresses, nothing, so doesn't seem to be a DNS issue. Any Ideas? What malfunction of a router could be causing such weird behavior? nay ideas or educated guesses are very much appreciated.

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• Windows 7 search doesn’t find text strings

  - by Hugh Tash

  I’m not able to find any text strings starting not from the beginning of word in filename or in file content using Windows 7 search. My Windows 7 search configuration: Let’s say I’m searching for a documents containing word “content”. I’m able to find those documents when searching for “content”, “conte”, “con” (as long as the string includes the beginning of the word). "content" "con" But if I search for “ontent”, “tent” or any other combination that doesn’t include the beginning of the word, Windows search won't find it. I've tried other indexing/searching software such as Copernic Desktop search, Google desktop search. Those programs also weren’t able to find part of the word starting from the middle of the word. For instance, it finds “conte”, but doesn’t find “onte”. Finds “conte” Doesn’t find “onte” I got the same problem using Copernic desktop search. On the other hand, when I use non-indexing content search software such as Agent Ransack or FileSeek, I get the same results when searching for “conte” or “onte”: “conte” “onte” Why do all pre-indexing content search applications (Windows search, Google desktop, Copernic desktop search) fail to search for a string inside the words? Why do non-indexing applications find text strings wherever they are: in the beginning, middle or end of the word? I’ve tried wildcards and other constructions with no luck. *onte onte “onte” content:onte content:onte content:~onte All these searched doesn’t find the word “content”. How can I make Windows search find strings from any part of words? Could you try these searches and see if they work for you? Or is this normal behavior? Thank you. Update: Using wildcards before or after "onte" doesn't find any results. content:~=onte doesn't find any results.

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• Can't access IIS 7 server URL from the same IIS 7 server.

  - by Kevin Raffay

  We have an intranet site ie, xxx.yyyy.com, that users access by entering "http"://xxx.yyy.com. Our problems started when we migrated to IIS 7 running on a new 2003 server. We got rid of our single-sign on code and implemented a security model where we capture a user's domain credentials which we then authenticate against a DB. In order to get the domain credentials passed to our ASP.NET app, we have the following settings: Anonymous Authentication:Disabled ASP.NET Impersonation: Enabled Basic/Digest/Forms Authentication: Disabled Windows Authentication: Enabled We allow "*" and deny "?" in the web.config. Browsing "http"://xxx.yyy.com from any client PC results in a domain login prompt, and if your enter a proper user/pwd, you can get in. However, browsing "http"://xxx.yyy.com while remoting into the server results in 3 domain login prompts and eventually a 401 error - unauthorized. We have traced this behavior to problems with our web site where we have pages doing "screen scraping" using the HttpRequest calling a url on the same server. When doing a HttpRequest from any other client, using a test harness that passes authorized credentials, all is good. So internal HttpRequest calls on the server fail, just like attempts to browse that server's url from within a remote session. Why would a to "http"://xxx.yyy.com on server xxx.yyy.com fail authentication?

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• Cannot connect to local network shares when connected to VPN. Error: "the user name could not be found"

  - by Nick G

  I keep finding that on our small company LAN (7 users, 3 servers) that some servers keep becoming "not accessible" for the purposes of file sharing. They display the message "\SERVER is not accessible. You might not have permission to use this network resource. The user name could not be found". But I don't know why "the user name could not be found" as all the machines are on the same domain and the PDC and BDC seem to be behaving OK. EDIT: VPN seems to be the cause: It turns out I can see the server if I use the IP address (\\1.2.3.4\ etc) or the FQ active directory name (eg \server.domainname.local) but not if I use the server name on its own or a mapped network drive originally created from the "short" name. Oddly though, my machine has no issue resolving the server's DNS name as I can ping the machine name OK and it immediately comes back with the IP, however nslookup seems to fail. It seems to be a problem with how Windows looks up machine names when connected to VPNs. When I'm connected to a VPN, windows seems to use the DNS assocated with the VPN and not the one on the domain controller. This behavior to me, seems incorrect as surely that would mean connecting to any VPN would break any ability to lookup local machine names for servers and printers etc. So I guess the real question now is, how can I make my machine still search the local Active Directory DNS (the PDC) even when connected to a VPN? More info in my comments below.

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• Windows 2008 RemoteAPP client disconnects within a matter of minutes

  - by Jeroen Wilke

  I'm having an odd problem with Windows 2008 TS, and remote applications specifically. The situation is as follows: TS idle timeout is disabled via GPO TS terminating disconnected sessions after 1hr (via GPO) My users can log on to the Terminal server, and get a full desktop, OR via rdp files that give access to a few remote applications. When a user connects to a full desktop, everything is fine and dandy, they will remain logged on indefinately, and when they disconnect the session is terminated after an hour. however, when a user connects using a remote application link, the client seems to disconnect after only a few minutes of inactivity, when you click the window, the session reconnects. EventID's on TS server: 4779: This event is generated when a user disconnects from an existing Terminal Services session, or when a user switches away from an existing destop using Fast User Switching. 4778 : This event is generated when a user reconnects to an existing Terminal Services session, or when a user switches to an existing desktop using Fast User Switching users are connecting directly to 3389, not using a TS-gateway at the moment. This behavior is consistent on different clients that we have, Full desktop is fine, RemoteAPP constantly disconnects. The .rdp file used doesn't list any interesting parameters, aside from what application to launch, and where to find it. Can someone explain to me how there can be a difference in behaviour between full desktop, and remoteapp ? since essentially they use the exact same client ? Regards Jeroen

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• Puppet classes out of order despite explicit arrow operator use

  - by Alexandr Kurilin

  Absolute puppet beginner here. I'm experiencing an interesting behavior with my puppet manifests and would love to know what I'm doing wrong. Let's for example say I'm configuring the instance with the following ordered classes: class { 'update_system': } -> class { 'facter': } -> class { 'user_sshkey': user => 'ubuntu', type => 'rsa', } -> class { 'tmux': user => 'ubuntu', } -> class { 'vim': user => 'ubuntu', } -> class { 'bashrc': user => 'ubuntu' } -> notify {"Configuring DB role":} -> class { 'postgresql': } when I run the manifest with the --debug switch, by looking at notify statements I can see the classes be executed in the following order: 1. update_system starts 2. a cron type inside of postgresql class (the very **last** class in that ordered list above) is executed 3. postgres::install starts 5. facter starts installing 6. postgres::configure and postgres::service start 7. the vim class is executed 8. "Configuring DB role" notification is made. All the way at the end here. etc Basically the thing is all over the place, the order doesn't seem to follow the arrow operators in any way. I'm guessing I'm missing something here that would force the classes to execute one at a time. Could it be that I'm missing some kind of anchor pattern here? Invalid containment?

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• Resizing a LUKS encrypted volume

  - by mgorven

  I have a 500GiB ext4 filesystem on top of LUKS on top of an LVM LV. I want to resize the LV to 100GiB. I know how to resize ext4 on top of an LVM LV, but how do I deal with the LUKS volume? mgorven@moab:~% sudo lvdisplay /dev/moab/backup --- Logical volume --- LV Name /dev/moab/backup VG Name moab LV UUID nQ3z1J-Pemd-uTEB-fazN-yEux-nOxP-QQair5 LV Write Access read/write LV Status available # open 1 LV Size 500.00 GiB Current LE 128000 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 2048 Block device 252:3 mgorven@moab:~% sudo cryptsetup status backup /dev/mapper/backup is active and is in use. type: LUKS1 cipher: aes-cbc-essiv:sha256 keysize: 256 bits device: /dev/mapper/moab-backup offset: 3072 sectors size: 1048572928 sectors mode: read/write mgorven@moab:~% sudo tune2fs -l /dev/mapper/backup tune2fs 1.42 (29-Nov-2011) Filesystem volume name: backup Last mounted on: /srv/backup Filesystem UUID: 63877e0e-0549-4c73-8535-b7a81eb363ed Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize Filesystem flags: signed_directory_hash Default mount options: (none) Filesystem state: clean with errors Errors behavior: Continue Filesystem OS type: Linux Inode count: 32768000 Block count: 131071616 Reserved block count: 0 Free blocks: 112894078 Free inodes: 32044830 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 992 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 RAID stride: 128 RAID stripe width: 128 Flex block group size: 16 Filesystem created: Sun Mar 11 19:24:53 2012 Last mount time: Sat May 19 13:29:27 2012 Last write time: Fri Jun 1 11:07:22 2012 Mount count: 0 Maximum mount count: 100 Last checked: Fri Jun 1 11:03:50 2012 Check interval: 31104000 (12 months) Next check after: Mon May 27 11:03:50 2013 Lifetime writes: 118 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 383bcbc5-fde9-4720-b98e-2d6224713ecf Journal backup: inode blocks

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• Cygwin, ssh, and git on Windows Server 2008

  - by Paul

  Hi everyone. I'm trying to setup a git repository on an existing Windows 2008 (R2) server. I have successfully installed Cygwin & added git and ssh to the packages, and everything works perfectly (thanks to Mark for his article on it). I can ssh to localhost on the server, and I can do git operations locally on the server. When I try to do either from the client, however, I get the "port 22, Bad file number" error. Detailed SSH output is limited to this: OpenSSH_4.6p1, OpenSSL 0.9.8e 23 Feb 2007 debug1: Connecting to {myserver} [{myserver}] port 22. debug1: connect to address {myserver} port 22: Attempt to connect timed out without establishing a connection ssh: connect to host {myserver} port 22: Bad file number Google tells me that this means I'm being blocked, usually, by a firewall. So, double-checked the firewall settings on the server, rule is there allowing port 22 traffic. I even tried turning off the firewall briefly, no change in behavior. I can ssh just fine from that client to other servers. The hosting company swears that there's no other firewalls blocking that server on port 22 (or any other port, they claim, but I find that hard to believe). I have another trouble ticket into them, just in case the first support person was full of it, but meanwhile I wanted to see if anyone could think of anything else it can be. Thanks, Paul

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• How do I fix this Windows 7 wireless connectivity issue?

  - by Charles Randall

  I have a laptop with an Intel Wireless Centrino 6300 module. Recently, the machine has stopped properly connecting to my wireless router. It will get stuck in a loop of connecting, then disconnecting and reconnecting. While connected, it will simply say "No Internet Access." Running inSSIDer 2.0, it shows my network jumping around between two channels -- I know this isn't the case, because I've set my router to sit on one single channel. My MacBook Pro, Boxee Box, PS3, and Xbox 360 all connect fine to the wireless and have no problems at all. I know it's not the wireless module, as I bought a second one recently assuming the first had died -- but I get the same behavior with both. Sometimes, I can fix the issue temporarily by deleting the network (Using the Manage Wireless Networks page), and then re-adding it (via standard wireless methods). Then it will work for a few days. But inevitably the problem comes back, and now the laptop simply won't connect to the wireless at all, even if I take steps that usually work. Since I've ruled out the hardware, and it's unlikely some kind of interference issue (because I would expect to see it on any multitude of other devices), I would think at this point that it's a problem with Windows itself. One thing that might be a hint, even though I delete the network, when I add it again, it's always listed as "Wireless Network Connection 2" even though there isn't another in the list.

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• Folder Redirection Issues - Freezing, Strange Warnings

  - by JCardenas

  I have Folder Redirection set up in a test environment for a couple accounts. I have followed the instructions for setting up the folder security settings here, and I can confirm that folders are created automatically by the system with the correct security settings when a user logs in. The GPO has been configured to automatically move user files up to the redirected folders, and this is working properly. Problems start occurring when a Windows 7 PC is in use. It is rare, but Explorer will lock up when performing a file write operation (move/copy/save from application). This results in the entire system being unusable, with only a hard reset resolving it (Task Manager doesn't start, the "three finger salute" does nothing, apps stop working). The mouse functions, but clicks do nothing. The other issue is that occasionally when copying/creating/modifying files a dialog box will pop up with the message "You need permission to perform this action. You require permission from XYZ\cardenas to make changes to this folder." The folder that was created by copying an existing one has the correct security settings and lists me as the owner. My company will not be implementing Folder Redirection on XP, since we are making a "clean break" with implementing new technologies with the Windows 7 rollout, so this behavior has not been - nor will be - checked for in XP. Thanks in advance for your help!

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• Asterisk/FreePBX: Allow other Google Talk clients to ring when using motif module

  - by larsks

  I've recently installed FreePBX to act as a link between a SIP soft phone and my Google Talk account. It was easy to set up and outbound calls work just fine, but I've run into two problems with inbound calls that I'm not sure how to resolve. I'm using an inbound route to forward all calls from Google to my soft phone. If the soft phone is not currently registered, Asterisk answers and immediately generates a fast-busy signal (reporting CHANUNAVAIL in the logs), and the call is lost. If the soft phone is registered, Asterisk "answers" the call before rining the soft phone, which means that other Google Talk clients never ring (since from their perspective someone has answered the call). For solving (1) seems like I could use the ChanIsAvail() function (or this answer) to prevent Asterisk from answering in the event that the phone isn't registered. However, I'm not sure what to do about (2), because the behavior I want is for Asterisk to not "answer" the call until I answer the call on the soft phone. How do I configure Asterisk (ideally within the FreePBX framework) such that I can continue to receive calls at other Google Talk clients in addition to forwarding them to a SIP phone?

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• Force netsh/arp binding multicast IP addres with specific MAC address

  - by Olivier

  I would like to setup an binding from an IP address to a MAC address using netsh. Goal is to bond an IP address which is a multicast address (224.224.x.y) to a given MAC address (which is NOT the calculated one from the multicast IP address : 01:00:5e:X:Y:Z It used to work with Windows XP (was it a bug that used to be "perfect" for my needs?), but Windows 7/8/8.1 forces the MAC address to the calculated one instead of letting me put what I want! (http://nettools.aqwnet.com/ipmaccalc/ipmaccalc.php shows MAC address calculation for multicast IP address) Thus I'm doing the following. Listing existing mappings: netsh.exe interface ip show neighbors "Ethernet" Interface 12 : Ethernet Internet address Physical address Type 224.0.0.22 01-00-5e-XX-YY-ZZ static Then adding my interface mapping manually: netsh.exe interface ip add neighbors "Ethernet" "224.xxx.yyy.zzz" "00-80-EE-UU-VV-WW" Finally, listing again my mappings: netsh.exe interface ip show neighbors "Ethernet" Interface 12 : Ethernet Internet address Physical address Type 224.0.0.22 01-00-5e-XX-YY-ZZ static **224.xxx.yyy.zzz 01-00-5e-UU-VV-WW static** As you can see, the MAC Address of the second entry (the one I just made) has been dynamically replaced by the calculated MAC Address corresponding to my IP Address... Calculation is done as follow (and displayed in hexa): UU=(xxx-128) VV=yyy WW=zzz But I don't want that behavior. My IP address and MAC address cannot be changed, and I must associate them accurately. Does anybody know how to disable MAC address substitution/calculation in netsh? Thanks, Olivier.

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• Xen dom0 reports incorrect amount of RAM with dom0_mem set

  - by xen_amnesiac

  I've done a fair bit of searching about this, but have found nothing that answers my question. I have a system with 6GB of RAM which acts as a Xen server. For reference, it runs Ubuntu 12.04. I've set the kernel parameter dom0_mem:512M,max:512M in /etc/default/grub as follows: GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=min:512M,max:512M" I've tried variations of that, with the same result. My question is this: With the above set, the dom0 reports in all applications a RAM amount of 422M. cat /proc/meminfo gives the following: $ cat /proc/meminfo MemTotal: 432472 kB MemFree: 54144 kB Buffers: 17640 kB Cached: 220104 kB SwapCached: 30172 kB Active: 136500 kB Inactive: 167780 kB Active(anon): 6156 kB Inactive(anon): 60516 kB Active(file): 130344 kB Inactive(file): 107264 kB Unevictable: 52 kB Mlocked: 52 kB SwapTotal: 1794044 kB SwapFree: 1682012 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 39572 kB Mapped: 8048 kB Shmem: 136 kB Slab: 44324 kB SReclaimable: 22012 kB SUnreclaim: 22312 kB KernelStack: 1280 kB PageTables: 3840 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 2010280 kB Committed_AS: 329192 kB VmallocTotal: 34359738367 kB VmallocUsed: 313988 kB VmallocChunk: 34359417340 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 524696 kB DirectMap2M: 0 kB top, htop, free -m, and byobu's RAM monitor all report the same amount. At first I thought this was because of the onboard graphics borrowing some memory, but have now switched to a dedicated GPU and it persists. Is this normal behavior, or has something gone amiss? It's just about 100MB of RAM that's "gone", and I have no idea where it went. I understand that it's normal that not all RAM is available for allocation, but does the system really take an amount relatively high to the amount of RAM available?

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• Apache/Mongrel/Redmine installation problem (VirtualHost/ProxyPass)

  - by Riddler

  I am installing Redmine as per this step-by-step instruction: http://justnotes.co.cc/2010/02/11/how-to-install-redmine-on-ubuntu/ I am using Ubuntu 10.04.1, Apache 2.2.14, Mongrel 1.1.5. On the VirtualHost configuration stage, I am using this: <VirtualHost *:80> ServerName myserver.lv ProxyPass /redmine/ http://localhost:8000/ ProxyPassReverse /redmine/ http://localhost:8000 ProxyPreserveHost on <Proxy *> Order allow,deny Allow from all </Proxy> </VirtualHost> But, when I direct my browser to http://<my-server's-ip>/redmine/ what I see is not the redmine web application but "Index of /redmine" with, well, index of the files from the root directory of Redmine. Any idea how to fix that? P.S. Tried removing the VirtualHost stuff alltogether and instead adding the following simple clauses to apache2.conf: <Proxy *> Order allow,deny Allow from all </Proxy> ProxyPass /redmine/ http://localhost:8000/ ProxyPassReverse /redmine/ http://localhost:8000/ ProxyPreserveHost on As a result, the behavior changes! Now http://<my-server's-ip>/redmine/ produces the source code of the Redmine's start page, so it is served, but apparently not rendered. At the same time, still, http://<my-server's-ip>:8000/ works perfectly fine, so Mongrel is serving the Redmine application as it should, it's just that something is wrong with my VirtualHost/proxying clauses in the .conf file.

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• How to disable 3rd party cookies in Chrome?

  - by David Nordvall

  I have both the "stop websites from storing local data" and the "block all third party cookies without exception" settings enabled in Chrome 12 (I'm not sure what the exact names of these settings are in english as I run Chrome with swedish localization). I do however have two problems. My first problem is that when I'm visiting one of my local news paper's site (and surely other), cookies from www.facebook.com is allowed for some reason. I suspect that the reason is that I have added an exception to the www.facebook.com domain but as the setting "block all third party cookies without exception" implies, that shouldn't matter. My second problem is that if I check what cookies are stored on my computer after browsing for a while, I have tons of cookies that are not on my white list. Primarily from ad services. My expectations from enabling the above mentioned settings was that only cookies that fulfill the two folling requirements would be accepted: the cookies must be from the domain in my address bar the cookies must be from a domain on my whitelist Apparently this isn't the case. The question is, have I completely misunderstood the settings or is this a bug? And, either way, is there a way to accomplish my desired behavior?

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• Parallel port blocking

  - by asalamon74

  I have a legacy Java program which handles a special card printer by sending binary data to the LPT1 port (no printer driver is involved, the Java program creates the binary stream). The program was working correctly with the client's old computer. The Java program sent all the bytes to the printer and after sending the last byte the program was not blocked. It took an other minute to finish the card printing, but the user was able to continue the work with the program. After changing the client's computer (but not the printer, or the Java program), the program does not finish the task till the card is ready, it is blocked until the last second. It seems to me that LPT1 has a different behavior now than was before. Is it possible to change this in Windows? I've checked BIOS for parallel port settings: The parallel port is set to EPP+ECP (but also tried the other two options: Bidirectional, Output only). Maybe some kind of parallel port buffer is too small? How can I increase it?

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• Editing a windows XP installation's registry without being able to log in.

  - by Alain

  I've got a windows XP installation that has a corrupt registry. A worm (which was removed) had hijacked the HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon entry (which should have a value of Userinit=C:\windows\system32\userinit.exe When the worm was removed, the corrupt entry was deleted entirely, and now the system automatically logs off immediately after attempting to log in. Regardless of the user and boot mode, no accounts can be logged in to. The only thing required to correct this behavior is to restore the registry key, but I cannot come up with any ways of editing the registry without logging in to an account. I tried remotely connecting to the registry but the required services aren't enabled on the machine. I tried booting on the same machine using the BartPE boot CD but I could not find any way of editing the registry on the C:\Windows installation - running regedit only modifies the X:\I386\ registry in memory. So, what can I use modify the registry of an un-login-able Windows XP instance so that I can log in again? Thanks guys. EDIT: The fix worked. The solution to the auto-logoff problem was, as hoped, to simply add the value mentioned above to the appropriate registry entry. This can be done using the BartPE Boot CD, as described in the accepted answer below, but I used the Offline NT Registry Editor software mentioned in another answer. The steps were: Boot from the NT Registry Editor CD Follow the directions until the appropriate boot sector is loaded. Instead of using one of the default options for modifying passwords or user accounts, type "software" to edit that hive. Type '9' to enter the command line based registry editor. Type "cd Microsoft" (enter) "cd Windows NT" (enter) "cd CurrentVersion" (enter) "cd Winlogon" (enter) Type "nv 1 Userinit" to create a new value under the Winlogon key Type "ev Userinit" to edit the new value, and when prompted, type "C:\windows\system32\userinit.exe" (enter) Type 'q' to quit the registry editor, and as you back out of the system, follow directions to write the hive back to disk. Restart your computer and log in - problem solved. (generic 'warning: back up your registry' disclaimer)

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• Random Hard Freeze of Windows 7 (is Kaspersky to be blamed for this?)

  - by Christian Ivicevic

  The last few weeks I experienced a new strange behavior of my computer. Sometimes Windows 7 just freezes with no real reason at all. While listening to music for example the playback hangs and you can hear a very nasty sound. Neither mouse nor keyboard input is handled and everything is just stuck. Using Ubuntu this does not happen, so I think it is just a matter of driver issues or a Windows 7 bug. Furthermore I am really suspicious about Kaspersky (Internet Security 11) and so I let it perform a complete virus scan while no other app is running. At about 50% it happened again and I needed to restart the computer by holding the power button the bad way... A really weird thing is that playing Skyrim this happened once, however music playback did not stop. Only the framerate dropped to 0 and sometimes for a few seconds I am able to move. Therefore I am really confused as furthermore no bluescreen pops up. Memtest told me that everything seems to be alright... Can anyone explain me which data you need about my hardware and software (and which tools tools to use to gather the informatik) to be able to provide any help on my problem?

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• WHS - Windows Update Failure

  - by Kyle B.

  Clicking "Update Now..." inside my EX470 control panel for Windows Update produces the following error message: "Windows Home Server updates installation can not complete. Please try again later. If the problem persists, please restart the server." I have rebooted the server numerous times, and I have also used remote desktop to connect to the machine to perform the update this way, however the browser is unable to pull up http://windowsupdate.microsoft.com. This is very strange behavior because I am able to access all other sites (gmail.com, serverfault.com, etc). Would it be possible for someone to explain to me how I can check to see what is blocking the connection of this device, which apparently has a valid internet connection, to the Microsoft Windows Update site? note #1 Using the shortcut: %SystemRoot%\system32\wupdmgr.exe does not work either. It says "Connecting to 65.55.200.155..." but nothing ever happens. This is strange because all other sites seem fine. Also, I can connect to windowsupdate.microsoft.com on my local desktop so I know this is running as well

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• pfsense single MAC is listed with several IP's in ARP table

  - by Tillebeck

  I have this problem: arp table filling up But I am quite sure that I cannot blame Kaspersky. Scenarie: a user plugs his computer in. He waits and waits but are getting no IP by DHCP. Then he is told there is an IP conflict... He end up assigning himself a static IP to access the net In the ARP table of the router I see: 192.168.24.144 00:16:41:42:3c:9e Lenovo LAN 192.168.24.145 00:16:41:42:3c:9e Lenovo LAN 192.168.24.181 00:16:41:42:3c:9e Lenovo LAN 192.168.24.150 00:16:41:42:3c:9e Lenovo LAN 192.168.24.151 00:16:41:42:3c:9e Lenovo LAN 192.168.24.152 00:16:41:42:3c:9e Lenovo LAN 192.168.24.156 00:16:41:42:3c:9e Lenovo LAN 192.168.24.157 00:16:41:42:3c:9e Lenovo LAN 192.168.24.159 00:16:41:42:3c:9e Lenovo LAN 192.168.24.160 00:16:41:42:3c:9e Lenovo LAN 192.168.24.130 00:16:41:42:3c:9e Lenovo LAN 192.168.24.132 00:16:41:42:3c:9e Lenovo LAN 192.168.24.164 00:16:41:42:3c:9e Lenovo LAN 192.168.24.137 00:16:41:42:3c:9e Lenovo LAN 192.168.24.140 00:16:41:42:3c:9e Lenovo LAN 192.168.24.206 00:16:41:42:3c:9e Lenovo LAN The last .206 is the static address he gave himself. Several users descripe the exact same problem. It started after removing some filters in the switches, så all users are on a LAN and can see each other. Before, when filters blocked access to each others comptuers no one reported this kind of behavior. Any idéeas?

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• How to multiseat with HW 3d accel on CentOS 6.3 Final?

  - by user35070

  I would like to setup a multiseat configuration on CentOS 6.3 (two video cards, two keyboards, two mice, two monitors) and have hardware accelerated 3D on both monitors. 3D HW acceleration rules out Xephyr. I saw somewhere that recent versions of GDM (3.3 and newer?) don't support multiseat, so do I have to install KDM to make this work? If I just create a duplicate section with new device identifiers in my xorg.conf file, will this 'just work'? Using different ports on the same video card and separate keyboards, mice, and displays, the result was a desktop which spanned both monitors with both keyboards and mice acting as the same input in the GUI. I will power down and put in the new video card and report on the results soon. Both video cards are nvidia. UPDATE after putting in another NVIDIA video card, default behavior (before changing xorg.conf) is that one screen works normally, and both mice and keyboards are connected to it. Changing xorg.conf and the display manager to KDM and following the directions here https://help.ubuntu.com/community/MultiseatX#Ubuntu_10.04_.28Lucid.29 , I have 2 mirrored screens connected to separate video cards, DRI enabled, and 2 mice both connected to the same pointer. Keyboards don't do anything, however, I probably just need to fix a setting in xorg.conf I would still like to get multiseat functionality, eg. separate screens with separate input devices I have verified that the separate X processes are running (see page above) using 'ps aux | grepX [01]'

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• NIS: which mechanism hides shadow.byname for unpriviledged users?

  - by Mark Salzer

  On some Linux box (SLES 11.1) which is a NIS client I can do as root: ypcat shadow.byname and get output, i.e. some lines with the encrypted passwords, amongst other information. On the same Linux box, if I run the same command as unpriviledged user, I get No such map shadow.byname. Reason: No such map in server's domain Now I am surprised. My good old knowlege says that shadow passwords in NIS are absurd because there is no access control or authentication in the protocol and thus every (unpriviledged) user can access the shadow map and thereby obtain the encrypted passwords. Obviously we have a different picture here. Unfortunately I don't have access to the NIS server to figure out what is happening. My only guess is that the NIS master gives the map only to clients conection from a priviledged port (1024), but this is only an uneducated guess. What mechanisms are there in current NIS implementations to lead to a behavior like the above? How "secure" are they? Can the be circumvented easily? Or are shadow passwords in NIS as secure as the good old shadow files?

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• File transfer from MP3 player to computer

  - by JP

  I own an old 20GB Creative Zen jukebox (all external screws are gone on it LOL) and I would like to transfer files back to my PC to get them on my new iPod. Problem is, no matter what software I use (WinAMP, Creative Media Source or Windows Media Player), it just stops transferring files on my HD with an error message that says there is no more space on the destination folder. Problem is, there is still 320GB free. I tried lot of things like installing newer driver, latest Zen plug-in for Media Source, latest WinAMP version. Sometimes, it just works and then again, it stops working and I get this non-sense error. Restarting my PC sometime solves the issue by giving me enough time to transfer 10 or 15 more files and then I get the error again and again. Yesterday though I managed to transfer up to 3GB of MP3s on my computer before getting the error. Seems like I'm having a driver issue or a weird behavior from the player and/or the software I'm using. 3 different software can't reproduce the exact same issue by themselves so it must be something related to the driver. I can't find any post of any sort concerning such issue on old forums. Any idea?

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• Blank desktop when logging into a Virtualized Windows 2008 Terminal Server?

  - by Rachel

  We have a Virtualized Terminal Server running Windows Server 2008. When the admin user logs in, everything is fine. When anyone else logs in, their desktop and start menu is blank (they have the taskbar, start button, and quick launch links though). If I go into Windows Explorer, I can see icons in their desktop folder (although the icon image is missing and it is just displaying the generic icon), but can't run any of them. If I login with a user that is part of the Administrator group in Active directory, I get the same behavior except I can launch the programs found in the Desktop Folder of Windows Explorer. I cannot drag these items out onto the desktop though - The cursor doesn't allow me to drop them. From Task Manager I can see that explorer.exe and dwm.exe are both running. The Authenticated Users and Interactive groups are both under the Users group, along with our network's Domain Users group. Does anyone know why this is happening and how I can fix it? Also, not sure if it's related but about 1 in every 3 logins just hangs at a completely blank blue screen (no start button, taskbar, or quick launch buttons) and needs to be disconnected / reset by an admin. Edit I just noticed that the desktop itself doesn't even respond to click events. It's almost like the entire desktop is missing. At first I thought it didn't respond to right-click events because of an AD policy, but then I noticed if you open the Start Menu and click the desktop, the start menu doesn't shut like it should

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• Display stretches 4:3 ratios; Adds scrolling to other ratios

  - by Matt

  I have a dual monitor setup. Normally, they both display at 1680x1050. They have been setup this way for about a year. I'm using Windows XP Professional 2003 x64 SP2. Today, out of nowhere, one of the monitors kicked back to a lower resolution. I was not playing with any configuration at the time.. in fact all I had done was close a window (maybe a browser). But the thing is that the resolution is still preserved partially by the fact that the screen will scroll when you move the mouse. So it's like looking through a 1024x768 window into a 1680x1050 world. The monitor itself does not appear to be damaged, because I also have it connected to my netbook (via KVM) and higher resolutions work fine. I tried uninstalling/reinstalling the drivers to no avail. System restore doesn't help either. I'm unsure of the exact ATI card I'm using.. Device Manager lists it as "Radeon X300/X550/X1050". There is no Catalyst Control Center software installed. I tried to install it, but there doesn't seem to be a way to install it by itself ... it forces you to install another driver, which breaks both of my displays, forcing me to go into safe mode and run system restore again. Any ideas? Thanks EDIT: After playing around more, I discovered that the "scrolling" behavior is only present for aspect ratios that are not 4:3. For 4:3 ratios, it just stretches out to fit the wide screen. My monitor's native ratio is 16:9 .. what could be causing it to think it needs to scroll?

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