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• trouble shooting ntfs-loop-xen combination in wubi based grub of Ubuntu

  - by Registered User

  Here is a situation I installed Ubuntu on a laptop using Wubi in Windows 7 drive.*The laptop is not mine.*I have installed and things worked by now perfectly without any problem.We are trying to set up a Xen (virtualization)environment in this laptop. After setting up every thing cleanly.When I needed to boot with following grub entries menuentry "Xen Linux 2.6.32.27" { insmod ntfs set root='(hd0,2)' loopback loop0 /ubuntu/disks/root.disk set root=(loop0) multiboot /boot/xen.gz module /boot/vmlinuz-2.6.32.27 dummy=dummy root=/dev/sda2 loop=/ubuntu/disks/root.disk ro console=tty0 module /boot/initrd.img-2.6.32.27 } I got error file not found error unknown command 'multiboot' error unknown command 'module' error unknown command 'module' Now to dig this issue further I reboot the machine and go to grub command prompt and manually pass on each of the above parameters which you see in the grub entry when I reached grub> insmod multiboot then I got following message on screen error:file not found. It looks like this wubi+ grub setup has just enough modules to use loopback file on ntfs, but the ACTUAL /boot directory is on the loopback NOT ntfs (hd0,2). Therefore any attempt to read any files from (hd0,2) simply wont work, cause there's no file there.I need to use insmod multiboot and command multiboot and module which are available in grub on a normal install without Wubi.But since the laptop is not mine so I am not allowed to partition it and have to make it work in this situation only. While a normal Kernel is still booting? How can I get module multiboot in this Wubi based install.

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• On what should i not be pennywise buying a machine for SqlServer 2008?

  - by Michel

  Hi, i'm going to do a project for a client and i'll be hosting the database server myself. Normally it would be on my dev machine, but there will also be data pushed into it during developing and testing, so i would like to setup a dedicated test sql server. But, as you might guess, i can't afford to go to Dell and buy one mega 16 core 16 GIG 10 TB raid 5 machine (wow, that sounds cool) So i have to save the money somewhere... the hardware only has to live for a year (longer is nice of course), and the sql server won't be hit too hard: i guess the average server will only see it as a cough once in a while. But i do want the machine to be a bit performant: if it does get some data, it must be a bit responsive. So my question is were can i leave out the expensive parts: is 2 GB enough, or must i take 4GB, is an average processor enough or should it be a top of the bill? Is Sql server a large resource user or is a simple desktop pc good enough? It wil run on win2008 by the way.

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• Apache - virtualhost - works only one

  - by user1811829

  I need a couple of virtualhosts on my local dev machine. Unfortunately it needs to be windows. httpd-vhost.conf <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "C:/xampp/htdocs" ServerName localhost </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "C:/xampp/htdocs/manadom.local/public" ServerName manadom.local ErrorLog "logs/manadom.local-error.log" CustomLog "logs/manadom.local-access.log" combined </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "C:/xampp/htdocs/galeriabiznesu" ServerName gb.loc ErrorLog "logs/gb.loc-error.log" CustomLog "logs/gb.loc-access.log" combined </VirtualHost> And hosts file: 127.0.0.1 localhost 127.0.0.1 manadom.local 127.0.0.1 gb.loc The problem is: localhost points to C:/xampp/htdocs/manadom.local/public manadom.local points to C:/xampp/htdocs/manadom.local/public too gb.loc points to C:/xampp/htdocs/manadom.local/public I can't idea what's wrong? Please help me, i'm not an admin but i read about it lot and i don't know what possibly i can do wrong.

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• iptables to block non-VPN-traffic if not through tun0

  - by dacrow

  I have a dedicated Webserver running Debian 6 and some Apache, Tomcat, Asterisk and Mail-stuff. Now we needed to add VPN support for a special program. We installed OpenVPN and registered with a VPN provider. The connection works well and we have a virtual tun0 interface for tunneling. To archive the goal for only tunneling a single program through VPN, we start the program with sudo -u username -g groupname command and added a iptables rule to mark all traffic coming from groupname iptables -t mangle -A OUTPUT -m owner --gid-owner groupname -j MARK --set-mark 42 Afterwards we tell iptables to to some SNAT and tell ip route to use special routing table for marked traffic packets. Problem: if the VPN failes, there is a chance that the special to-be-tunneled program communicates over the normal eth0 interface. Desired solution: All marked traffic should not be allowed to go directly through eth0, it has to go through tun0 first. I tried the following commands which didn't work: iptables -A OUTPUT -m owner --gid-owner groupname ! -o tun0 -j REJECT iptables -A OUTPUT -m owner --gid-owner groupname -o eth0 -j REJECT It might be the problem, that the above iptable-rules didn't work due to the fact, that the packets are first marked, then put into tun0 and then transmitted by eth0 while they are still marked.. I don't know how to de-mark them after in tun0 or to tell iptables, that all marked packet may pass eth0, if they where in tun0 before or if they going to the gateway of my VPN provider. Does someone has any idea to a solution? Some config infos: iptables -nL -v --line-numbers -t mangle Chain OUTPUT (policy ACCEPT 11M packets, 9798M bytes) num pkts bytes target prot opt in out source destination 1 591K 50M MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner GID match 1005 MARK set 0x2a 2 82812 6938K CONNMARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner GID match 1005 CONNMARK save iptables -nL -v --line-numbers -t nat Chain POSTROUTING (policy ACCEPT 393 packets, 23908 bytes) num pkts bytes target prot opt in out source destination 1 15 1052 SNAT all -- * tun0 0.0.0.0/0 0.0.0.0/0 mark match 0x2a to:VPN_IP ip rule add from all fwmark 42 lookup 42 ip route show table 42 default via VPN_IP dev tun0

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• uname -a gives wrong version of kernel in gentoo?

  - by freedrull

  Hi I'm running gentoo and doing uname -a gives the wrong kernel version. tony@P_P-o ~ $ uname -a Linux P_P-o 2.6.27-gentoo-r8 #12 SMP PREEMPT Sun Nov 8 19:46:59 PST 2009 i686 Genuine Intel(R) CPU T2060 @ 1.60GHz GenuineIntel GNU/Linux Running eix gentoo-sources shows that I have a later version than that installed: tony@P_P-o ~ $ eix gentoo-sources [U] sys-kernel/gentoo-sources Available versions: (2.6.16-r13) 2.6.16-r13!b!s (2.6.25-r9) 2.6.25-r9!b!s (2.6.26-r4) 2.6.26-r4!b!s (2.6.27-r8) 2.6.27-r8!b!s (2.6.27-r10) 2.6.27-r10!b!s (2.6.28-r5) 2.6.28-r5!b!s (2.6.28-r6) 2.6.28-r6!b!s (2.6.29-r5) 2.6.29-r5!b!s (2.6.29-r6) 2.6.29-r6!b!s (2.6.30) ~2.6.30!b!s (2.6.30-r3) ~2.6.30-r3!b!s (2.6.30-r4) 2.6.30-r4!b!s (2.6.30-r5) 2.6.30-r5!b!s (2.6.30-r6) 2.6.30-r6!b!s (2.6.30-r7) 2.6.30-r7!b!s (2.6.30-r8) 2.6.30-r8!b!s (2.6.31) ~2.6.31!b!s (2.6.31-r1) ~2.6.31-r1!b!s (2.6.31-r2) ~2.6.31-r2!b!s (2.6.31-r3) ~2.6.31-r3!b!s (2.6.31-r4) ~2.6.31-r4!b!s {build symlink ultra1} Installed versions: 2.6.27-r8(2.6.27-r8)!b!s(07:48:25 PM 06/19/2009)(-build -symlink) 2.6.28-r5(2.6.28-r5)!b!s(12:35:17 PM 06/08/2009)(-build -symlink) 2.6.29-r5(2.6.29-r5)!b!s(07:44:33 PM 06/19/2009)(-build -symlink) 2.6.30-r6(2.6.30-r6)!b!s(11:14:45 PM 10/02/2009)(-build -symlink) Homepage: http://dev.gentoo.org/~dsd/genpatches Description: Full sources including the Gentoo patchset for the 2.6 kernel tree What gives?

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• Does the same lame settings (--alt-preset standard) have differrent names?

  - by erikric

  I've always used windows, and therefore EAC to rip my CDs, but since I've started using Ubuntu more often, I decided to try to rip some albums there. I ended up using k3b (since I found it in the Ubuntu Software center. Tried to install RubyRipper first, but when 'sudo apt-get install ' or UDC fails, a Windows user like me is lost) The real question here is about the settings for the lame encoder. I'm used to just writing --alt-preset standard, and everything works like a charm, but the default in k3b look like this: lame -r --bitwidth 16 --little-endian -s 44.1 -h --tt %t --ta %a --tl %m --ty %y --tc %c --tn %n - %f I assume these are some sensible lame settings, and not a malicious perl script (although it looks like it). It seems to me like some of these ought to be there, and that I can not overwrite the whole thing with my good ol' --alt-preset. So, the question is do I need to replace anything, or is -h the same as old --alt-preset? Is it a difference between '--preset standard' and '--alt-preset standard'? And are those the same as -V 2?

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• .NET 2.0 Application now running slow on IIS 7.5

  - by Valien

  I recently moved (and still in testing) an application from a Windows 2003 Server (Physical box) running IIS 6.x to a Windows 2008 R2 Standard (VM) IIS 7.5 server. The application is a .NET framework 2.0 application and is running under a 2.0 App Pool. This site works great except for one thing: Takes forever to get a request back. I've been tracking it with Chrome Inspect Element and it queries the site and can take up to 45 seconds to answer. Now when it does the page(s) render instantly but it's that initial request that's killing it. I see no error logs or issues with the application or Windows Event Viewer or even IIS logs so not sure where to start looking next. Some new changes was that previously the app resided behind a Pix firewall and now is behind a larger network environment in a DMZ zone (and I believe NetScaler is also being used to manage the network). I do not have rights/abilities to look at the network itself but can contact the Data center folks to look deeper into this but I wanted to make sure it's not my application that might be causing the slowdown or IIS. In summary: .NET 2.0 application works great in IIS 6.x Application moved to an IIS 7.5 server and now slow on rendering but when it does render responds back with pages instantly. Edit for solution Found out that it was the SOAP calls that were slowing the site down. In the new datacenter my application cannot request SOAP calls and so they time out after 40-45 seconds or so. Now trying to find out if I can install a proxy server to redirect this...

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• Monitor displays at 1024x768; scrolls screen for higher resolutions

  - 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

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• Finding custom printer-specific options on *nix

  - by enbuyukfener

  Hey all, I have a printer set up using CUPS (FujiXerox Document Center 1100), it is named DC1100. There are capabilities of the printer that are not shows as options of the printer as listed by: lpoptions -l -d DC1100 The output is below: PrintoutMode/Printout Mode: Draft *Normal High Photo InputSlot/Media Source: Upper Lower MultiPurpose LargeCapacity Manual *Standard PageSize/Page Size: *Letter A4 C5 C6 COM10 DL Executive Legal Monarch Statement PageRegion/PageRegion: Letter A4 C5 C6 COM10 DL Executive Legal Monarch Statement STP_Brightness/Brightness: 0.00 0.02 0.04 [snip] 2.00 STP_Contrast/Contrast: 0.00 0.05 0.10 0.15 [snip] 4.00 STP_ColorCorrection/Color Correction: Accurate Bright Density [snip] Uncorrected STP_DitherAlgorithm/Dither Algorithm: Adaptive EvenTone Fast [snip] VeryFast STP_EnableDensity/Density Enable: *Disabled Enabled STP_Density/Density Value: 0.1 0.2 0.3 0.4 [snip] 8.0 STP_EnableGamma/Composite Gamma Enable: *Disabled Enabled STP_Gamma/Composite Gamma Value: 0.10 0.15 0.20 0.25 [snip] 4.00 STP_LinearContrast/Linear Contrast Adjustment: *False True STP_Duplex/Double-Sided Printing: DuplexNoTumble DuplexTumble *None Resolution/Rendering Resolution: *FromPrintoutMode 150x150dpi 300x300dpi 600x600dpi OutputType/Output Type: *FromPrintoutMode BlackAndWhite Grayscale STP_ImageType/Image Type: *FromPrintoutMode Photo Graphics LineArt None Text TextGraphics STP_Resolution/Resolution: *FromPrintoutMode 150dpi 300dpi 600dpi I am particularly looking for options for: "secure print" (possibly by setting a mode and setting a username) stapling hole punching Perhaps I need a vendor specific driver/PPD file? If so, any pointers as I have no idea where to look for one. I haven't been able to find one on the official site or on sites such as http://www.openprinting.org

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• SVN, Samba and Symbolic Links. How to get them all to play together?

  - by Camsoft

  I've got a website project under version control that relies on files from an unversioned directory on the same server via Symbolic Links. I'm currently storing the symbolic links in the repository. The idea is that if someone checks out a working copy on to the same server they can edit and test the working copy of the project before committing it back to the repository. When they checkout their working copy it successfully sets up the symlinks so that the entire site works when testing. The users that work on the project are Windows users, so I've set a samba shares on the server and then mapped them to network drives in Windows. People can edit their working copies directly on the server via network shares and then test them in the web browser before committing their changes back to the repository via TortoiseSVN. The Problem The problem I have is that Samba resolves the symlinks as expected but when a user tries to commit their changes back to the repository, TortoiseSVN thinks the linked files are part of the project and tries to commit the target files to the repository and not the symlinks themselves. I tried turning off symlink support in samba which means that the linked files cannot be resolved as I don't really want people to have access to the linked files nor do I want to import the linked files in the repository. The problem with this is that I get Can't stat '\webserver\projects\working\project\symlinked_file.php'. Access is denied Apart from the symlink problem everything else works 100% perfectly. Users can either checkout website projects to their machine and work on them (but can't test) or checkout them out to their space on the dev web server and work on them and fully test. So I don't want to change the workflow process, I just need a solution to the symbolic link issue. Many thanks. Originally posted on StackOverflow: http://stackoverflow.com/questions/2400917/svn-samba-and-symbolic-links-how-to-get-them-all-to-play-together

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• Is it possible to change an "Unidentified Network" into a "Home" or "Work" network on Windows 7

  - by Rhys

  I have a problem with Windows 7 RC (7100). I frequently use a crossover network cable on WinXP with static IP addresses to connect to various industrial devices (e.g. robots, pumps, valves or even other Windows PCs) that have Ethernet network ports. When I do this on Windows 7, the network connection is classed as an "Unidentified Network" in Networks and Sharing Center and the public firewall profile is enforced by Windows. I do not want to change the public profile and would prefer to use the Home or Work profile instead. For other networks like Home and Work I'm able to click on them and change the classification. This is not available for unidentified networks. My questions are these:- Is there a way to manual override the "Unidentified Network" classification? What tests are performed on the network that fail, therefore classifying it as an "Unidentified Network" By googling (hitting mainly vista issues) it seems that you need to ensure that the default gateway is not 0.0.0.0. I've done this. I've also tried to remove IPv6 but this does not seem possible on Windows 7.

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• Solaris 10 invalid ARP requests from 0.0.0.0? Link up/down every hour or 2

  - by JWD

  The guys at the data center where I'm hosting a server running Solaris 10 are telling me that my server is making a lot of invalid arp requests. This is an example of a portion of what was sent to me from the logs (with Mac addresses and IP addresses changed). [mymacaddress]/0.0.0.0/0000.0000.0000/[myipaddress]/[Datestamp]) It's being logged every hour. I don't see anything in the arp tables (arp -a) or routing tables (netstat -r) and I don't see anything relating to 0.0.0.0 when snoping the arp requests. The only place I see any reference to 0.0.0.0 is if I do netstat -a for the SCTP SCTP: Local Address Remote Address Swind Send-Q Rwind Recv-Q StrsI/O State ------------------------------- ------------------------------- ------ ------ ------ ------ ------- ----------- 0.0.0.0 0.0.0.0 0 0 102400 0 32/32 CLOSED But not really sure what that means. Doesn't seem like I can disable SCTP. There are some tunable SCTP parameters but it's not something I'm familiar with. Do I have to add changes to /etc/system? Looks like sctp_heartbeat_interval might be what I need to change? If it makes any difference, I have a few solaris zones running on this server, each with their own IP address on a virtual interface. eth0:0, eth0:1, etc. Does anyone have any idea what might be causing this and how to stop it? I think the switch I'm connected to doesn't like it and momentarily drops the connection. Is there anyway to at least block those requests using ipfilter or something else? Update: This was happening more frequently but now it seems to be happening roughly every hour or every two hours. It's not consistent. I tried setting setting the link speed and duplex to match the switch port and that seemed to make it stop happening for a few hours but then it started again.

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• How do I add a WMware ESXi Host to Microsoft Virtual Machine Manager?

  - by user63250

  I am trying to manage virtual machines running on a VMware ESXi host using Microsoft System Center Virtual Machine Manager. I was able to add the ESXi machine using the "Add VMware VirtualCenter server" option, but can't access any of the VMs on the datastore associated with this ESXi server. The datastore of the ESXi box is showing up with the correct name, but it won't let me see any of the VMs that have already been created; I get "There are no virtual machines on this host." Because I couldn't get any of the existing virtual machines to show up, I tried creating some new ones. When using VMM to connect to ESXi and create new VMs, I get the following error messages in the "rating explanation" section: The virtualization software on the selected host does not support virtual hard disks on an IDE bus. and The virtualization software on the host XXXXXX does not support the creation of dynamic virtual hard disk. Any ideas on why I can't manage existing machines and why I can't create new ones? The existing machines were created in vSphere. I should note that the ESXi server and the server running SCVMM are both on the same domain. I should also note that although the ESXi box has been added as a VirtualCetner server, when I try to add it through the "Add Host" option, I get an error message saying "Virtual Machine Manager cannot complete the VirtualCenter action on server EXSi because of the following error: The operation is not supported on the object."

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• Should tripwire be entering /proc?

  - by dsadinoff

  When initializing the db with tripwire --init it spat out a bunch of errors pertaining to /proc: ### Warning: File system error. ### Filename: /proc/16982/fd/4 ### No such file or directory ### Continuing... ### Warning: File system error. ### Filename: /proc/16982/fdinfo/4 ### No such file or directory ### Continuing... ### Warning: File system error. ### Filename: /proc/16982/task/16982/fd/4 ### No such file or directory ### Continuing... ### Warning: File system error. ### Filename: /proc/16982/task/16982/fdinfo/4 ### No such file or directory ### Continuing... ### Warning: Duplicate object encountered. ### /proc/sys/net/ipv6/neigh This feels like noise. The twpol.txt file has the following clause: # # Critical devices # ( rulename = "Devices & Kernel information", severity = $(SIG_HI), ) { /dev -> $(Device) ; /proc -> $(Device) ; } Which, if I understand it right, is going to cause tripwire to care deeply about the entire contents of /proc. Shouldn't it just care about the static parts of /proc like the drivers and such, and not the per-pid stuff? Why does it ship like this?

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• Recover data from a Thecus N4100 NAS jbod partition

  - by TimothyP

  I have a Thecus N4100 NAS wich had a 2TB drive in it configured as jbod partition. Later I tried adding a second drive to expand the available space. I added it to the jbod configuration but I did not get any extra space. Then I tried removing the second drive but then the NAS system indicated the jbod configuration was damaged. After a reboot it told me there is no configuration and I need to create a new RAID/jbod configuration and that I would lose all data on the drive. Of course I did not do this, I took the 2TB drive and checked with Linux if the partition was still there and it is... completely intact. I found that linux recognizes it as a /dev/mdX device and that I should be able to mount it but I don't know the file system type. Anyway.... is there a way to recover the data? Since everything has always been on a single drive it should all be there right? I can connect the drive to Windows , Linux or MacOS so whatever gets the job done.

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• Installing Windows Management Framework 3.0 basically destroyed WMI, how can I fix it without reinstalling the O.S.?

  - by Massimo

  Related, of course, to this question. Before discovering it was somewhat... dangerous, I installed Windows Management Framework 3.0 on a number of Windows Server 2008 R2 SP1 servers, and WMI got completely trashed on all of them. This is what the WMI namespace looks like on a normal server (this is from Server Manager - Configuration - WMI Control): This is what it looks like after installing WMF 3.0: Yeah. Everything except WMF 3.0's new features is gone. Needless to say, nothing seems to work anymore on those servers. And no, this is not due to some strange installation error, this happened on three servers which were perfectly working before installing WMF 3.0, and on all of them the installation completed succesfully. Admittedly, one of them had a somewhat complex setup (various System Center products and SQL Server instances)... but two of them are just plain standard domain controllers which do nothing else at all. How can I fix this mess without having to reinstall the O.S. on these servers? And why did it happen in the first place?

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• Windows Network File Transfer to Samba server: “Are you sure you want to copy this file without its properties?”

  - by jimp

  I am transferring a lot of files to a new NAS based on OpenMediaVault, with the Samba 3.5.6 service running. I am transferring from Windows 7 64-bit to the NAS, and on some media files Windows is prompting about losing some property data across the transfer. I have never seen this before when transferring to Samba boxes I have built myself (vs this turnkey solution), so I'm guessing there must be a Samba setting I can change to preserve the file properties in question instead of permanently losing whatever they contain (Date Taken? Exposure? Flash Fired? etc). Or maybe I've just never encountered this before; I'm really not sure. I tried adding ea support = yes and store dos attributes = yes to the [global] section, but the problem remains. The Linux file system is ext4 mounted with user_xattr (full options: defaults,acl,user_xattr,noexec,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0) as Samba requires. Any ideas would be greatly appreciated. Thank you! Samba config: [global] workgroup = WORKGROUP server string = %h server include = /etc/samba/dhcp.conf dns proxy = no log level = 2 syslog = 2 log file = /var/log/samba/log.%m max log size = 1000 syslog only = yes panic action = /usr/share/samba/panic-action %d encrypt passwords = true passdb backend = tdbsam obey pam restrictions = yes unix password sync = no passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = yes socket options = TCP_NODELAY IPTOS_LOWDELAY guest account = nobody load printers = no disable spoolss = yes printing = bsd printcap name = /dev/null unix extensions = yes wide links = no create mask = 0777 directory mask = 0777 use sendfile = no null passwords = no local master = yes time server = yes wins support = yes ea support = yes store dos attributes = yes Note: I found this related question, but it explains the loss due to the user trying to transfer from NTFS to FAT32.

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• Ubuntu won't boot from USB memory stick

  - by mackenir

  I used the instructions on this webpage to create a bootable USB drive for running Ubuntu 9.10. Unfortunately it doesn't work on my EeePC. Even with 'Removable Dev.' selected in the BIOS as the first boot device, the PC just boots into Windows 7. How do I troubleshoot this problem? The drive is readable and looks like this: Directory of E:\ 28/10/2009 21:14 <DIR> .disk 28/10/2009 21:14 222 README.diskdefines 28/10/2009 21:14 143 autorun.inf 28/10/2009 21:14 <DIR> casper 28/10/2009 21:14 <DIR> dists 28/10/2009 21:14 <DIR> install 28/10/2009 21:14 <DIR> syslinux 28/10/2009 21:14 4,098 md5sum.txt 28/10/2009 21:14 <DIR> pics 28/10/2009 21:14 <DIR> pool 28/10/2009 21:14 <DIR> preseed 28/10/2009 21:14 0 ubuntu 26/10/2009 16:16 1,468,640 wubi.exe 25/02/2010 00:28 2,147,483,648 casper-rw 8 Dir(s) 5,290,307,584 bytes free

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• How to interrupt software raid resync?

  - by Adam5

  I want to interrupt a running resync operation on a debian squeeze software raid. (This is the regular scheduled compare resync. The raid array is still clean in such a case. Do not confuse this with a rebuild after a disk failed and was replaced.) How to stop this scheduled resync operation while it is running? Another raid array is "resync pending", because they all get checked on the same day (sunday night) one after another. I want a complete stop of this sunday night resyncing. [Edit: sudo kill -9 1010 doesn't stop it, 1010 is the PID of the md2_resync process] I would also like to know how I can control the intervals between resyncs and the remainig time till the next one. [Edit2: What I did now was to make the resync go very slow, so it does not disturb anymore: sudo sysctl -w dev.raid.speed_limit_max=1000 taken from http://www.cyberciti.biz/tips/linux-raid-increase-resync-rebuild-speed.html During the night I will set it back to a high value, so the resync can terminate. This workaround is fine for most situations, nonetheless it would be interesting to know if what I asked is possible. For example it does not seem to be possible to grow an array, while it is resyncing or resyncing "pending"]

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• File Replication Service Errors

  - by ekamtaj

  Hey Guys, We have a windows 2003 r2 server and couple of the users are reporting that they can not scan files into the windwos server. They are getting an Out of Space errors. I took a look at the server and we have 600GB free disk space on that partition. But while looking at the event log I found a lot of errors like (13552,13555) The File Replication Service is unable to add this computer to the following replica set: "DOMAIN SYSTEM VOLUME (SYSVOL SHARE)" This could be caused by a number of problems such as: -- an invalid root path, -- a missing directory, -- a missing disk volume, -- a file system on the volume that does not support NTFS 5.0 The information below may help to resolve the problem: Computer DNS name is "server.domain.local" Replica set member name is "server" Replica set root path is "c:\windows\sysvol\domain" Replica staging directory path is "c:\windows\sysvol\staging\domain" Replica working directory path is "c:\windows\ntfrs\jet" Windows error status code is FRS error status code is FrsErrorMismatchedJournalId Other event log messages may also help determine the problem. Correct the problem and the service will attempt to restart replication automatically at a later time. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• Spring-mvc project can't select from a particular mysql table

  - by Dan Ray

  I'm building a Spring-mvc project (using JPA and Hibernate for DB access) that is running just great locally, on my dev box, with a local MySQL database. Now I'm trying to put a snapshot up on a staging server for my client to play with, and I'm having trouble. Tomcat (after some wrestling) deploys my war file without complaint, and I can get some response from the application over the browser. When I hit my main page, which is behind Spring Security authentication, it redirects me to the login page, which works perfectly. I have Security configured to query the database for user details, and that works fine. In fact, a change to a password in the database is reflected in the behavior of the login form, so I'm confident it IS reaching the database and querying the user table. Once authenticated, we go to the first "real" page of the app, and I get a "data access failure" error. The server's console log gets this line (redacted): ERROR org.hibernate.util.JDBCExceptionReporter - SELECT command denied to user 'myDbUser'@'localhost' for table 'asset' However, if I go to MySQL from the shell using exactly the same creds, I have no problem at all selecting from the asset table: [development@tomcat01stg]$ mysql -u myDbUser -pmyDbPwd dbName ... mysql> \s -------------- mysql Ver 14.12 Distrib 5.0.77, for redhat-linux-gnu (i686) using readline 5.1 Connection id: 199 Current database: dbName Current user: myDbUser@localhost ... UNIX socket: /var/lib/mysql/mysql.sock -------------- mysql> select count(*) from asset; +----------+ | count(*) | +----------+ | 19 | +----------+ 1 row in set (0.00 sec) I've broken down my MySQL access settings, cleaned out the user and re-run the grant commands, set up a version of the user from 'localhost' and another from '%', making sure to flush permissions.... Nothing is changing the behavior of this thing. What gives?

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• Install Apache + PHP on CentOS server

  - by Scott

  Hi everyone, I am trying to use YUM to install Apache and PHP on CentOS but keep getting these errors. Anyone know what's wrong? Thanks! Loading mirror speeds from cached hostfile * c5-testing: dev.centos.org Setting up Install Process Parsing package install arguments Resolving Dependencies --> Running transaction check ---> Package httpd.i386 0:2.2.8-1.el5s2.centos set to be updated --> Finished Dependency Resolution Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: httpd i386 2.2.8-1.el5s2.centos c5-testing 1.0 M Transaction Summary ============================================================================= Install 1 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 1.0 M Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug ERROR with rpm_check_debug vs depsolve: Package perl-libapreq needs perl(Apache::Table), this is not available. Package perl-libapreq needs perl(mod_perl) >= 1.17, this is not available. Package perl-libapreq needs perl(mod_perl) >= 1.17, this is not available. Package apache-devel needs apache = 1.3.41, this is not available. Complete! bash-3.2#

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• Controlling clone access to multiple mercurial repos served via hgwebdir.cgi

  - by chrislawlor

  I'm trying to host multiple hg repositories to use for my clients. I need to control access to each repository individually - not just push access, but clone as well. I've got an .htaccess set which requires authentication globally: AuthUserFile /path/to/hgweb.passwd AuthGroupFile /dev/null AuthName "Chris Lawlor Client Mercurial Repositories" AuthType Basic <Limit GET POST PUT> Require valid-user </Limit> <FilesMatch "\.(htaccess|passwd|config|bak)$"> Order Allow,Deny Deny from all </FilesMatch> Then in each repository, I've got a .hg/hgrc file requiring a valid user [web] allow_push = <comma seperated user list> This almost does what I need. The problem is that I need to add ALL my clients to hgweb.passwd, which gives them clone access to ALL of the repositories. The only solution I can think of is to have another .htaccess and .passwd file in EACH repository. I don't really want to do that though, seems a little convoluted. I can already specify a list of authorized users for each repository in that repos' hgrc file with the allow_push setting. If only there were an allow_clone setting as well... All the documentation I've found for hgwebdir.cgi is incomplete. I've read: http://mercurial.selenic.com/wiki/HgWebDirStepByStep http://hgbook.red-bean.com/read/collaborating-with-other-people.html#sec:collab:cgi http://hgbook.red-bean.com/read/collaborating-with-other-people.html And others. I've yet to find a comprehensive list of hgrc settings. I guess this is as much an Apache question than a mercurial question. Unless I can find a better approach, I'll be going with a seperate .htaccess and .passwd file for each repo. This is a virtual host on Webfaction if it matters - set up roughly like this http://docs.webfaction.com/software/mercurial.html

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• Install VirtualBox on Ubuntu 12.04.1 (on [Samsung] Chromebook)

  - by iphonedev7

  I have dual booted Ubuntu Linux 12.04.1 LTS on my Samsung Series 5 ChromeBook, and am trying to run/install Oracle VirtualBox (from the generic .run file downloaded from their website). However, every time I try to run it (as root from the command line), it gives me the following error occurs: Please install the build and header files for your current Linux kernel. The current kernel version is 3.4.0 Problems were found which would prevent VirtualBox from installing. I have tried the version from the Software Center, as well as the command line installation, both of which gave me errors based on my linux-headers/linux-kernel/linux-[kernel]-image. Here's an error I keep getting (on the command line): First Installation: checking all kernels... It is likely that 3.4.0 belongs to a chroot's host Building only for 3.5.0-18-generic Building initial module for 3.5.0-18-generic ERROR (dkms apport): kernel package linux-headers-3.5.0-18-generic is not supported Error! Bad return status for module build on kernel: 3.5.0-18-generic (x86_64) Consult /var/lib/dkms/virtualbox/4.1.12/build/make.log for more information. Setting up virtualbox-qt (4.1.12-dfsg-2ubuntu0.2) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place ...And one of the more cryptic errors I get when trying to start any Virtual Machine: Result Code: NS_ERROR_FAILURE (0x80004005) Component: Machine Interface: IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91}

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• Window 7 Host does not answer to ping

  - by gencha

  Today I tried printing on a shared printer on one of our homegroup members. Sadly it did not work (printer marked as offline). Shortly after, I noticed I can't even ping the machine that owns the printer (I also can not remotely access it in any other way I've tried). Currently I'm trying to ping the machine from the router both computers are connected to (and my machine in question doesn't answer). I do receive the echo requests (as verified with WireShark). I also added a rule in the Windows Firewall to specifically allow ICMP echo requests, but that didn't change anything. I also tried netsh firewall set icmpsetting 8 enable, but that didn't change anything either. Completely disabling the Windows Firewall has no effect on the issue either. One has to wonder, where does Windows log when and why it ignored any incoming packets? How can I get to the bottom of this? Here are some ways I found to dig deeper into the issue: Enabling logging on the Windows Firewall Enabling Windows Filtering Platform Auditing Both methods at least give more insight into the issue. The plain log file is full of entries like this: 2011-11-11 14:35:27 DROP ICMP 192.168.133.1 192.168.133.128 - - 84 - - - - 8 0 - RECEIVE So the ICMP packets are being dropped as if that was intended. The Event Viewer now gives a little bit more details: The Windows Filtering Platform has blocked a packet. Application Information: Process ID: 4 Application Name: System Network Information: Direction: Inbound Source Address: 192.168.133.1 Source Port: 0 Destination Address: 192.168.133.128 Destination Port: 8 Protocol: 1 Filter Information: Filter Run-Time ID: 214517 Layer Name: Receive/Accept Layer Run-Time ID: 44 This same entry is always repeated with 2 points of information changing: Process ID: 420 Application Name: \device\harddiskvolume2\windows\system32\svchost.exe The service host with the PID 420 is the host for the following services: Windows Audio DHCP Client Windows Event Log HomeGroup Provider TCP/IP NetBIOS Helper Security Center Additionally, there is currently this problem with the same machine: Even though my network is set to be a "Home network", I am unable to create a new homegroup.

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