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• Disk Error on Boot (Possible boot sector issue)

  - by Choco

  I own a 4-5 year old Dell Dimension E510 with Windows XP: Media Center Edition. I have 2 drives installed: C Drive: Windows XP: Media Center Edition G Drive: 2 partitions: Windows 7 (beta) Windows XP (professional) That is also the order they are connected. The C Drive is my primary drive. When I attempt to boot the computer, the bios loading screen appears normally; the progress bar moves and it's fine. The very next page, however, supposed to be a boot choice. When I installed Windows 7 onto the G Drive in context of the C drive it added a boot selector to the C drive's boot sequence. It gives me the option of booting Windows 7 or Windows XP: Media Center Edition. However, my problem is now this: After the bios screen I previously mentioned, instead of a boot selector, I receive the following error: A disk read error occurred. Press CTRL+ALT+DEL to restart. The drive is spinning up normally. I hear no odd noises/clicks/scraping coming from it, even after disabling the other drive to listen to it carefully. According to me, it's a boot sector issue. I have never experienced this before, but maybe during a recent shutdown, Windows XP: MCE errored out and ruined the boot sector. Dilemma! I don't have the Windows XP: MCE disc, because it was installed by the factory. I have accessed the hidden partition on the drive before (you hit a key combination on the bios screen and it comes up with an interface to fix your drive). However, I don't want to reformat the drive (which is what the interface gives me the option to do). I want to possibly fix the boot sector. How can I achieve that?

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• Unable to understand why Alfresco doesn't start on Tomcat

  - by Infernalsirius

  Hi all, I have a problem that I've been inspecting for a while now, googling and everything but could not begin to understand. I'm really not used to java, even less tomcat. So there it is. First, the setup. Centos 5.3 on a virtualized server. Bitnami Native Alfresco stack (tomcat5.5, mysql5, java, javajdk, JDBC) Content of catalina.log. Since it's the shortest and where I found my first clue to what is going wrong: SEVERE: Error listenerStart Aug 27, 2009 5:32:58 PM org.apache.coyote.http11.Http11BaseProtocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:32:58 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 229 ms Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/5.5.25 Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardHost start INFO: XML validation disabled Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/alfresco] startup failed due to previous errors Aug 27, 2009 5:34:48 PM org.apache.coyote.http11.Http11BaseProtocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:34:48 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Aug 27, 2009 5:34:48 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/11 config=null Aug 27, 2009 5:34:48 PM org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry server-registry.xml at classpath resource Aug 27, 2009 5:34:48 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 110327 ms Aug 27, 2009 5:38:27 PM org.apache.coyote.http11.Http11BaseProtocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:38:28 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Aug 27, 2009 5:38:29 PM org.apache.coyote.http11.Http11BaseProtocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 There's the content of catalina.out, it seems to be a stack trace or application trace of the error, is that right? Catalina.out gist on github There is a 404 error telling me this: The requested resource (/alfresco/) is not available. This is it. I think.

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• Windows XP error message: "Windows cannot find 'explorer.exe'"

  - by Meysam

  In Windows XP I can open "My Computer" and see all the hard drives. I can also see the explorer.exe process running among other processes in Task Manager. But after opening "My Computer", when I double click on one of the drives to open it, I get the following error message: Windows cannot find 'explorer.exe'. Make sure you typed the name correctly, and then try again. To search for a file, click the start button, and then click search. Although I could detect and remove several suspicious files using Malwarebytes & Microsoft Security Essentials, the problem still remains. The interesting point is that if I right click on one folder and select Open or Explore from the menu bar, I can open the folder! but if I double click on the folder, it does not open and I get the above error message. How can I fix this problem? Any advice would be appreciated! Update: I formatted the C: drive (NTFS), a deep format, and installed a fresh Windows XP on it. I am not getting this error when I double click on C drive icon anymore. But the same error appears when I double click on other drive names. Maybe I should format them too!

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• Do all routers really must know all routes to every router?

  - by Philipili

  This is my complicated and long question. First let's talk about the context. Network topology: PC A --- RT A --- RT C --- RT B --- PC B (RT C has a WAN NIC connected to "the cloud") With this situation : PC A must send a packet to PC B Default routes direct packets to the cloud We haven't access to RT C's configuration RT C only knows how to join network A, not network B RT A knows about network B RT B knows about network A RT C's routing table: Destination NIC Gateway 0.0.0.0 WAN Cloud Network A LAN A RT A's WAN RT A's routing table: Destination NIC Gateway 0.0.0.0 WAN LAN A Network B WAN LAN A RT B's routing table: Destination NIC Gateway 0.0.0.0 WAN LAN B Network A WAN LAN B I would like to permit PC A and PC B to communicate, but I don't have access to RT C. Networks B and BC are new. Can PC A send a packet to RT B's WAN NIC (which is possible) and "ask RT B to direct the packet to PC B" ? I believe replacing RT B with a VPN server should do the trick, but I would like to know if it is possible to make it without establishing a new connection.

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• administrator user unable to login, suspicious user accounts "sky$", "admin$"

  - by mks

  I have a Windows 2008 R2 Standard (64 bit) running in a virtual machine. Suddenly from yesterday onwards I am not able to login as administrator. Nobody changed the password. Both in the console as well as using remote desktop I am unable to login. Whenever I login as Administrator I am getting this error: "The user name or password is incorrect" Nothing has changed in the machine and I have logged in the past successfully both through console and via remote desktop several time on the same machine. One strange behaviour I noticed is, I am seeing some additional user accounts if I try to login as other user. The suspicious user account are: sky$ admin$ SUPPORT_388945a0 Is it created by some malware/virus? Or is it some windows hidden account? Microsoft site says that SUPPORT_388945a0 is: The Support_388945a0 account enables Help and Support Service interoperability with signed scripts. This account is primarily used to control access to signed scripts that are accessible from within Help and Support Services. Administrators can use this account to delegate the ability for an ordinary user, who does not have administrative access over a computer, to run signed scripts from links embedded within Help and Support Services. These scripts can be programmed to use the Support_388945a0 account credentials instead of the user’s credentials to perform specific administrative operations on the local computer that otherwise would not be supported by the ordinary user’s account. When the delegated user clicks on a link in Help and Support Services, the script executes under the security context of the Support_388945a0 account. This account has limited access to the computer and is disabled by default. However I am not sure from where this "admin$" and "sky$" came. Anyone has similar experience?

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• GRE Tunnel over IPsec with Loopback

  - by Alek

  Hello, I'm having a really hard time trying to estabilish a VPN connection using a GRE over IPsec tunnel. The problem is that it involves some sort of "loopback" connection which I don't understand -- let alone be able to configure --, and the only help I could find is related to configuring Cisco routers. My network is composed of a router and a single host running Debian Linux. My task is to create a GRE tunnel over an IPsec infrastructure, which is particularly intended to route multicast traffic between my network, which I am allowed to configure, and a remote network, for which I only bear a form containing some setup information (IP addresses and phase information for IPsec). For now it suffices to estabilish a communication between this single host and the remote network, but in the future it will be desirable for the traffic to be routed to other machines on my network. As I said this GRE tunnel involves a "loopback" connection which I have no idea of how to configure. From my previous understanding, a loopback connection is simply a local pseudo-device used mostly for testing purposes, but in this context it might be something more specific that I do not have the knowledge of. I have managed to properly estabilish the IPsec communication using racoon and ipsec-tools, and I believe I'm familiar with the creation of tunnels and addition of addresses to interfaces using ip, so the focus is on the GRE step. The worst part is that the remote peers do not respond to ping requests and the debugging of the general setup is very difficult due to the encrypted nature of the traffic. There are two pairs of IP addresses involved: one pair for the GRE tunnel peer-to-peer connection and one pair for the "loopback" part. There is also an IP range involved, which is supposed to be the final IP addresses for the hosts inside the VPN. My question is: how (or if) can this setup be done? Do I need some special software or another daemon, or does the Linux kernel handle every aspect of the GRE/IPsec tunneling? Please inform me if any extra information could be useful. Any help is greatly appreciated.

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• SCCM 2012 Clients no longer detecting

  - by user3685428

  Here is the scenario I had a fully functioning SCCM 2012 site server with the DP, MP, SUP, Application catalog, etc. roles configured and working. There is only one server on this site. Everything was great but i was not happy with SUP, so i decided to create a separate WSUS server and configure Windows Updates through GPOs. That setup worked great as well so i went ahead and removed the SUP role from SCCM and removed the WSUS feature from my SCCM server (they were configured on the same SCCM Server). I did not notice any problems right away. A couple days later i noticed that the OSD deployments were giving errors, and after a couple hours of trying suggestions from Google, i was able to uninstall PXE and make a few changes and reinstall with WDS to get it working again. Again, thought everything was fine and continued on. The last couple days i have noticed that any new machine deployed or installing the Client will show in the SCCM console as "No" Client. The client machines will show connected to a site but the software center shows "IT Organization" instead of our site like the previous clients. The existing clients all seem to be functioning normally. they still receive application distributions and configuration baselines, etc. Reinstalling, uninstalling and reinstalling, repairing does not fix the problems and this happens on all new clients. ClientLocation.log shows it connecting to the correct MP. Nothing odd in any of the logs except for the ClientMessaging.log which repeats continuously this line: <![LOG[Raising event: instance of CCM_CcmHttp_Status { ClientID = "GUID:0450fde3-ab82-41bf-9c33-87a18113744b"; DateTime = "20140528214824.993000+000"; HostName = "SOUNDWAVE.domain.org"; HRESULT = "0x00000000"; ProcessID = 4092; StatusCode = 0; ThreadID = 3720; }; ]LOG]!><time="16:48:24.994+300" date="05-28-2014" component="CcmMessaging" context="" type="1" thread="3720" file="event.cpp:706"> thanks

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• What privilege level is required on a Windows client workstation on an ActiveDomain to break file lo

  - by Mike Burton

  I'm not sure if I should be asking this here or on StackOverflow, but here goes: I'm part of a team maintaining a document management application, and I'm trying to figure out Windows file locking permissions. We use a utility somebody downloaded years ago called psunlock to remotely close all locks on a file. We recently discovered that this does not work across different domains on our VPN. A little bit of digging lead me to the samba manual's discussion of file locking. I still don't really "get it", though. Does anyone have any insight to share into how the process of locking and breaking locks on files works in a network context? My thinking is that privileges are required both on the file appliance and on the client workstations which hold locks. Is that accurate? Can anyone give a more specific version? Ideally I'm looking for something along the lines of A user must have privilege level X in order to break locks held from a client workstation. In practice I'd be happy with a hotlink to a good white paper on the subject.

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• Fresh Install of SQL Server 2008 doesn't install managment studio. Help!

  - by Jordan S

  Ok I am running Windows 7, 64 bit. I cleaned of SQL server 2005 completely off my system leaving only SQL Compact Edition. I went here http://www.microsoft.com/downloads/details.aspx?FamilyID=01af61e6-2f63-4291-bcad-fd500f6027ff&displaylang=en and installed SQL Server 2008 Express Edition Service Pack 1. After the install, under my start bar menu all i have for SQL configuration tools are the Configuration Manager, Error and Usage Reporting and the Install Center. I don't have the SQL Managment Studio. So I went here http://www.microsoft.com/downloads/details.aspx?FamilyID=08e52ac2-1d62-45f6-9a4a-4b76a8564a2b&displaylang=en and downloaded the SQL Server 2008 Management Studio Express but when I try to install it I get a warning says This program has known compatibility issues and that I need to Install SQL Server 2008 Service Pack 1. I thought that is what I installed. So, I tried to continue running the install but I then get an error message that says Invoke or BeginInvoke can not be called on a Form before it is opened... How can I check if Service pack 1 is installed or not? What should I do?

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• Prevent Win7 from resuming from hibernation

  - by Tigraine

  Hi Guys, I am running Win7 x64 on my machine and everything is perfect. I actually never turn off my PC completely but rather I always put it into hibernation mode for fast resume once I get back. Hibernation works like a charm, but once every 50 or 100 hibernations something goes wrong and the machine reboots. After that I usually have to reset the system clock in BIOS and Windows is starting up from the hibernation image that somehow got saved to disk (that's really cool). But: This hibernation image recovery is awfully slow, once the machine is up again it takes almost 2 minutes for it to not feel sluggish any more (I suspect this is due to pagefaults on all memory access). I'm looking for a way to tell Windows to NOT recover from the crash but rather just boot fresh, discarding the hibernation since it's faster to just reboot rather than wait for 3+ minutes for the machine to get it's act together. I do see the normal bios startup and also the windows boot afterwards, but hitting F8 like crazy doesn't do anything. In Win2000 and XP a Menu would come up asking me how I do want to boot, but I can't find it on Win7. Thanks in advance!

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• Gwibber doesnt launch post upgrade

  - by Arcath

  i updated my pc from ubuntu 9.10 to 10.04 and one of the things i was looking forward too was the "me menu" and gwibber. For some reason gwibber doesnt launch at all. when i try to launch it from terminal i get: [21:02:20][arcath@Highgate ~]$ gwibber ** (gwibber:8182): WARNING **: Trying to register gtype 'WnckWindowState' as enum when in fact it is of type 'GFlags' ** (gwibber:8182): WARNING **: Trying to register gtype 'WnckWindowActions' as enum when in fact it is of type 'GFlags' ** (gwibber:8182): WARNING **: Trying to register gtype 'WnckWindowMoveResizeMask' as enum when in fact it is of type 'GFlags' Traceback (most recent call last): File "/usr/bin/gwibber", line 50, in <module> from gwibber import client File "/usr/lib/python2.6/dist-packages/gwibber/client.py", line 3, in <module> import gtk, gobject, gwui, util, resources, actions, json, gconf File "/usr/lib/python2.6/dist-packages/gwibber/gwui.py", line 2, in <module> import os, json, urlparse, resources, util File "/usr/lib/python2.6/dist-packages/gwibber/util.py", line 2, in <module> from microblog.util.couch import RecordMonitor File "/usr/lib/python2.6/dist-packages/gwibber/microblog/util/couch.py", line 10, in <module> OAUTH_DATA = desktopcouch.local_files.get_oauth_tokens() File "/usr/lib/python2.6/dist-packages/desktopcouch/local_files.py", line 323, in get_oauth_tokens oauth_token_secrets = cf.items_in_section("oauth_token_secrets")[0] File "/usr/lib/python2.6/dist-packages/desktopcouch/local_files.py", line 189, in items_in_section raise ValueError("Section %r not present." % (section_name,)) ValueError: Section 'oauth_token_secrets' not present. and i cant work out whats wrong with it. Can anyone point me in the right direction?

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• Can grub and BCD work simultaneously?

  - by wuputah

  Here's my setup. After I installed a new SSD, I have: Original Windows 7 on sdc1 (to be retired) Copy of Windows 7 on sdb2 A Windows system partition on sdb1 Ubuntu 12.04 on sda, /boot and ergo grub is on sda1 Grub is MBR on sda and set to boot from BIOS. I prefer to not change this; grub is much preferable as a boot manager. I've run update-grub from Ubuntu and grub seems to be correctly configured as all options are available: I can boot any of the 3 Windows partitions and Ubuntu. I also ran the repair tool to get Windows to add both installations to BCD. At present, choosing particular options seem to have no effect; the old version of Windows on sdc1 always boots. I don't understand what is causing this, but I can't figure out what. How does grub and BCD play along? I can't find any docs on this. My thought was to only boot Windows off sdb1, and then let BCD do the rest (present a menu to boot between sdb2 and sdc1, but I can't seem to get BCD to boot sdb2), but this has been unsuccessful. My configuration files: BCDEdit output grub.cfg

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• Permissions Required for Sharepoint Backups

  - by Wyatt Barnett

  We are in the process of rolling out an extranet for some of our partners using WSS 3.0 as the platform. We already use it internally for a variety of things, and we are using the following powershell script to backup the server: param( $url="http://localhost", $backupFolder="c:\" ) [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint") $site= new-Object Microsoft.SharePoint.SPSite($url) $names=$site.WebApplication.Sites.Names foreach ($name in $names) { $n2 = "" if ($name.Length -eq 0) { $n2="ROOT" } else { $n2 = $name } $tmp=$n2.Replace("/", "_") + ".sbk" $saveas = "" if ($backupFolder.Length -eq 0) { $saveas = $tmp } else { $saveas = join-path -path $backupFolder -childPath $tmp } $site.WebApplication.Sites.Backup($name, $saveas, "true") write-host "$n2 backed up to $saveas." } This script works perfectly on the current installation running as our domain backup user. On the new box, it fails when ran as the backup user--claiming "The web application located at http://extranet/" could not be found. That url does, in fact, work so I'm fairly certain it isn't anything that dumb and rather is some permissions issue. Especially because, when executed from my security context, the script works perfectly. I have tried making the backup user a farm owner, as well as added him to the various site collection admin groups on the extranet. The one major difference between the extranet and the intranet server is that the extranet has an alternative access mapping (for https://xnet.example.com) and also uses forms authentication for that mapping. Anyhow, what permissions (or other voodoo) do I need to setup to get this script to work properly?

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• SQL server agent job to execute SSIS package fails, package succeds if run manually

  - by growse

  I've got a SSIS package installed on a SQL server (SQL Server 2012). It's fairly simple and just fetches data from a remote data source and adds it into a local table. The remote connection string is using SQL server authentication, while the local connection is using Windows auth. The remote connection password is protected, and the package was imported setting the protection level to Rely on server storage and roles for access control. If I run the SSIS package manually, it works. If I run it from the command line using dtexec, it works. If I use runas to switch to the domain account that the SQL server agent is running under, and then run the package using dtexec, it works. If I create a SQL Agent job with a single step to run the package, it fails, providing very little detail as to what's going on. I'm guessing it's not able to get the password to log into the remote SQL server, because it fails very quickly. Also, if I tick 'log to table' and view the resulting file, I get the following: Description: ADO NET Source has failed to acquire the connection {0D8F2CD4-A763-4AEB-8B52-B8FAE0621ED3} with the following error message: "Login failed for user 'username'.". If I try to add the password in the connection string manually under data sources in the job step dialog, it refuses to save it, always seeming to remove the 'password' bit of the connection string. I thought that SQL server agent jobs always ran under the context of the account which the SQL server agent is running under. This account is a sysadmin on the local SQL server, and the package works using dtexec under that account, so why would it fail when trying to run as an agent job?

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• Unable to understand why Alfresco doesn't start on Tomcat

  - by Infernalsirius

  I have a problem that I've been inspecting for a while now, googling and everything but could not begin to understand. I'm really not used to java, even less tomcat. So there it is. First, the setup. Centos 5.3 on a virtualized server. Bitnami Native Alfresco stack (tomcat5.5, mysql5, java, javajdk, JDBC) Content of catalina.log. Since it's the shortest and where I found my first clue to what is going wrong: SEVERE: Error listenerStart Aug 27, 2009 5:32:58 PM org.apache.coyote.http11.Http11BaseProtocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:32:58 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 229 ms Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/5.5.25 Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardHost start INFO: XML validation disabled Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/alfresco] startup failed due to previous errors Aug 27, 2009 5:34:48 PM org.apache.coyote.http11.Http11BaseProtocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:34:48 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Aug 27, 2009 5:34:48 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/11 config=null Aug 27, 2009 5:34:48 PM org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry server-registry.xml at classpath resource Aug 27, 2009 5:34:48 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 110327 ms Aug 27, 2009 5:38:27 PM org.apache.coyote.http11.Http11BaseProtocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:38:28 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Aug 27, 2009 5:38:29 PM org.apache.coyote.http11.Http11BaseProtocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 There's the content of catalina.out, it seems to be a stack trace or application trace of the error, is that right? Catalina.out gist on github There is a 404 error telling me this: The requested resource (/alfresco/) is not available. This is it. I think.

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• LG W3000H-BN monitor cannot go above 1280x800

  - by Jo Profit

  I noticed that there are many people complaining about this issue with the W3000H but I have yet to find a solution that works for me. I am using Windows 7 Professional and and using a nVidia Quadro NVS 240 video card with a 4 monitor splitter cable. The cable from the monitor and the splitter are rated DVI-D Dual Link and the video card itself is rated for 2560x1600. I have installed the latest drivers for the video card and just grabbed the .inf, icm and cat file from the LG website and manually installed the monitor drivers. Does anyone have problems with the same setup? I have 3 other monitors (2 at 1920x1080 and 1 at 1280x1024). I really would like to be able to display the full resolution or else the large screen is useless. (I triple checked that the monitor itself supports this resolution). So monitor, cable, splitter and card supposedly support 2560x1600. Drivers are up to date but I cannot select that resolution when in the "Screen Resolution" menu, nor through the nVidia control panel. Please save me from madness :)

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• Firefox crash on first load on Ubuntu Linux on Windows Laptop

  - by Ira Baxter

  I've had a Dell Latitude laptop since about 2000 without managing to destroy it. A month ago the Windows 2000 system on it did something stupid to its file system and Windows was completely lost. No point in reinstalling Windows 2000, so I installed an Ubuntu Linux on the laptop. Everything seems normal (installed, rebooted, I can log in, run GnuChess, poke about). ... but ... when I attempt to launch Firefox from the top bar menu icon, I get a bunch of disk activity, the whirling cursor icon goes round a bit and then everything stops: disk, icon, mouse. Literally nothing happens for 5 minutes. Ubuntu is dead, as far as I can tell. A reboot, and I can repeat this reliably. So on the face of it, everything works but Firefox. That seems really strange. The only odd thing about this system when Firefox is booting is that while it has an Ethernet port (that worked fine under Windows), it isn't actually plugged into an Ethernet. As this is the first Firefox boot since the Ubuntu install, maybe Firefox mishandles Internet access? Why would that crash Ubuntu? (I need to go try the obvious experiment of plugging it in).

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• Cannot access firewalled jboss server from Internet Explorer

  - by Simon Gibbs

  I've produced a website for a client One Single Menu using JBoss and hosted it on Rackspace Cloud Servers running Ubuntu's Maverick Meerkat. Following advice, I esablished some iptables rule to protect jboss: iptables -I INPUT 1 -i lo -j ACCEPT iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -p tcp --dport 22 -j ACCEPT iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080 iptables -I INPUT -p tcp --dport 8080 -j ACCEPT iptables -t nat -A OUTPUT -o lo -p tcp --dport 80 -j REDIRECT --to-port 8080 iptables -A INPUT -j DROP Now, several versions of IE on several computers on at least two different ISPs cannot access the onesinglemenu.com. Curl from within the datacenter, Firefox, and Safari on the same ISPs can all access the server fine. I even tried IE and Firefox on the same computer and IE failed but Firefox worked. The error behaviour is that IE hangs on connecting without reporting an error, even after a minute or so. No page is displayed at all. I find it quite odd that I'm having a browser specific connection issue, but it appears to be the case. Help!

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• Four disks - RAID 10 or two mirrored pairs?

  - by ewwhite

  I have this discussion with developers quite often. The context is an application running in Linux that has a medium amount of disk I/O. The servers are HP ProLiant DL3x0 G6 with four disks of equal size @ 15k rpm, backed with a P410 controller and 512MB of battery or flash-based cache. There are two schools of thought here, and I wanted some feedback... 1). I'm of the mind that it makes sense to create an array containing all four disks set up in a RAID 10 (1+0) and partition as necessary. This gives the greatest headroom for growth, has the benefit of leveraging the higher spindle count and better fault-tolerance without degradation. 2). The developers think that it's better to have multiple RAID 1 pairs. One for the OS and one for the application data, citing that the spindle separation would reduce resource contention. However, this limits throughput by halving the number of drives and in this case, the OS doesn't really do much other than regular system logging. Additionally, the fact that we have the battery RAID cache and substantial RAM seems to negate the impact of disk latency... What are your thoughts?

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• Firefox crash on first load on Ubuntu Linux on older Dell Laptop

  - by Ira Baxter

  I've had a Dell Latitude laptop since about 2000 without managing to destroy it. A month ago the Windows 2000 system on it did something stupid to its file system and Windows was completely lost. No point in reinstalling Windows 2000, so I installed an Ubuntu Linux on the laptop. Everything seems normal (installed, rebooted, I can log in, run GnuChess, poke about). ... but ... when I attempt to launch Firefox from the top bar menu icon, I get a bunch of disk activity, the whirling cursor icon goes round a bit and then everything stops: disk, icon, mouse. Literally nothing happens for 5 minutes. Ubuntu is dead, as far as I can tell. A reboot, and I can repeat this reliably. So on the face of it, everything works but Firefox. That seems really strange. The only odd thing about this system when Firefox is booting is that while it has an Ethernet port (that worked fine under Windows), it isn't actually plugged into an Ethernet. As this is the first Firefox boot since the Ubuntu install, maybe Firefox mishandles Internet access? Why would that crash Ubuntu? (I need to go try the obvious experiment of plugging it in).

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• Update Grub on Squeeze - Kernel downgrade due VMware Server

  - by vodoo_boot

  Hi! I happen to run into various problems regarding grub and kernels. I don't really care about the kernel internas. All I want is VMware server in that dedicated root-server. 1.) What is a bzImage vs. vmlinuz? kaze:~# ls /boot/ System.map-2.6.32-5-amd64 bzImage-2.6.33.2 config-2.6.33.2 initrd.img-2.6.32-5-amd64 System.map-2.6.33.2 bzImage-2.6.35.6 config-2.6.35.6 vmlinuz-2.6.32-5-amd64 System.map-2.6.35.6 config-2.6.32-5-amd64 grub I updated my menu.lst (grub2): timeout 5 default 0 fallback 1 title 2.6.32.5 kernel (hd0,1)/boot/vmlinuz-2.6.32-5-amd64 root=/dev/sda2 panic=60 noapic acpi=off title 2.6.35.6 kernel (hd0,1)/boot//bzImage-2.6.35.6 root=/dev/sda2 panic=60 noapic acpi=off title 2.6.32.3 kernel (hd0,1)/boot//bzImage-2.6.33.2 root=/dev/sda2 panic=60 noapic acpi=off That doesn't do well... I think the vmlinuz file is missing initrd or so. Dunno. In fact I don't give too much about kernel boot voodoo as long as it works. update-grub(2) does not work. Does anybody know what magical trick there is to get the 2.6.32-5 booting? 2.) I thought t follow the Deban wiki.. I cannot get header-files for the installed 35.6 or 33.2 kernel in the repositories. I cannot build foreign headers because they will not match the running kernel. So how does one deal with that situtation? I'd prefer not to have to downgrade the kernel. Thanks for any answers!

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• Why can't I boot in to Windows Recovery Environment to fix my HDD or salvage my data?

  - by Kevin

  I've been trying to get in to WindowsRE to salvage the files on my Sony Vaio laptop after it failed to load Vista (it finally, consistently displays "Error loading operating system" after months of such intermittent failures, usually rectified via restarts or utilizing Startup Repair or CHKDSK from WindowsRE) . The problem is, after successfully accessing it once after this failure (and many times before over the course of the laptop's life), I can no longer get it to load. During the last successful access (right after the failure), I ran startup repair, which itself failed and notified me that the boot sector was corrupt. I attempted to head in to Sony's proprietary recovery tools menu, which is accessible from WindowsRE when it is loaded from the recovery partition or recovery disk, however it hung. I have since been unable to access the recovery environment after restarting, using any of these methods: Access via the recovery partition (pressing F10 on boot) Access via recovery DVD (created using the same computer when it was healthy) Access via a Windows Vista installation DVD All three methods produce the same results: The computer acknowledges the boot attempt The computer successfully gets passed the "Windows is loading files" screen The computer successfully gets passed the Windows loading screen The computer then stalls at a black screen, while showing HDD activity (via indicator light). After a few minutes, the HDD activity ceases, and after a few more minutes, the over sized cursor that is utilized in WindowsRE appears on the black screen. The actual recovery environment, however, never appears, even after leaving the computer in such a state overnight. What is fustrating is that other bootable utilities, such as SeaTools for DOS and MemTest, boot up and run fine. In running perfectly normally, MemTest was able to produce a plethora of errors utilizing my RAM. I'm inclined to believe the RAM's faultiness may causing the WindowsRE booting to fail. Would this be a valid assumption? If I'm not mistaken, booting from external media utilizes the RAM, so such a reason is plausible, assuming my knowledge of bootloading is correct. Other than that, I can't figure out any reason why all the bootable utilities except WindowsRE run fine. Does anyone know what the problem is, or could be? Any solutions?

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• IIS 7 doesn't do a 301 redirect

  - by rohde

  Hi there! I have just migrated some sites to IIS7 from IIS6, and am experiencing problems with one of the sites. When a request comes in for the site (www.ourdomain.com/site1/) with a trailing slash everything is fine. But if the trailing slash is left out (www.ourdomain.com/site1), then the request fails. Apparently it doesn't do a 301 redirect on the slashl-less URL, resulting in ASP.NET throwing an exception. This is not happening with the other sites at the same domain. What can be the cause of this? EDIT: The exception I get is this: System.Web.HttpException: Failed to Execute URL. at System.Web.Hosting. ISAPIWorkerRequestInProcForIIS6.BeginExecuteUrl(String url, String method, String childHeaders, Boolean sendHeaders, Boolean addUserIndo, IntPtr token, String name, String authType, Byte[] entity, AsyncCallback cb, Object state) at System.Web.HttpResponse.BeginExecuteUrlForEntireResponse(String pathOverride, NameValueCollection requestHeaders, AsyncCallback cb, Object state) at System.Web.DefaultHttpHandler.BeginProcessRequest(HttpContext context, AsyncCallback callback, Object state) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

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• Bind a key to a commandline command in Mac OS X?

  - by Stefan Lasiewski

  I have a Mac Powerbook running Leopard (10.5.8). Does Leopard provide an easy way to bind keys to commands which are typically run on the commandline? For example, I can open up Terminal.app and run the command /System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine which will activate the screensaver and lock my screen. What if I want to bind 'Apple-key L' to this command and execute this globally, regardless of which application is in use at the moment? Can I do this, or can I only run ScreenSaverEngine from a Terminal window? I tried to set up global keyboard shortcuts, but it seems that this won't allow me to bind a key to an arbitrary shell command: Note: You can create keyboard shortcuts only for existing menu commands. You cannot define keyboard shortcuts for general purpose tasks such as opening an application or switching between applications. I tried to set up a application keyboard shortcut, but commands like ScreenSaverEngine don't seem to be an application. Note that this Screensaver/Lock screen is just one example. I have come across other nifty commands which I might want to bind to a key-combination as well. I can do this in Gnome and Windows (with varying success). How about with Leopard? Should I be looking at doing this with AppleScript? (I haven't used that since the Hypercard days ...)

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• Vanishing Windows Desktop Shortcut Keys

  - by Henry Keiter

  The Situation Like you, I have many applications that I like to open. I've set up keyboard shortcuts for the most common, by placing a link on the desktop and setting its Shortcut Key property: This is all fine and dandy, most of the time. When I want to bring up the GIMP, I press Ctrl+Alt+G and the GIMP launches. Lovely. The Problem Sometimes--perhaps once a month per desktop shortcut--the shortcut key assignment simply vanishes. I press Ctrl+Alt+G and nothing happens, so I go check the shortcut and see that lo and behold: nothing is there. This happens regularly to all my shortcuts (not all at once). It doesn't matter what keys I assign, and there doesn't seem to be any correlation with particular applications being open or anything of that sort. This has happened on every Windows XP machine I've ever used with any regularity. Obviously what makes this issue particularly obnoxious is that it's not easily reproducible. I have searched long and hard for a solution for (or at least acknowledgement of) this problem, to no avail, so hopefully you guys know something that I don't. I did find this question, where the answers are all basically "use a third-party app", but as far as I could tell that was a slightly different issue, related to Explorer being busy. If the solution for this turns out to be the same, fine, but I'd prefer a native fix if at all possible. Note: I've tagged this with Windows in general because I seem to remember it happening on Windows 7 as well as XP, but I rarely notice it because I use the start-menu search in preference to desktop shortcuts.

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