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• How to make a Windows Vista boot / recovery cd from a running system without using an original CD / DVD

  - by Giorgio

  I have just repaired a friends computer (replaced motherboard) and now I am trying to repair the Windows (Windows Vista) partitions. Unfortunately, probably due to the fact that he tried to start it several times after the old motherboard had stopped working (no signal on video) now the partition table or the file systems (or both?) appear to be damaged. I managed to boot Windows a couple of times but could not complete the boot. I tried to repair the partition table and file systems using Linux RIP (booting from USB stick) but the Linux utilities say that the file system is damaged and I should run chkdsk /f from Windows. So I now need a Windows boot CD from which I can boot and run chkdsk or any other Windows utilities that can repair the file system. Is there an easy way to create such a CD? Or can I download it for free somewhere? All the links to Windows Vista boot / repair CD's I have found on the internet refer to non-free stuff. Any hint? EDIT I have a working laptop with Windows Vista installed. So one solution would be to make a bootable CD or USB from it so that I can boot the desktop and run the repair utilities. However, I do not have the Windows Vista installation DVD, because both computers were bought with Windows pre-installed.

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• How can I make IPv6 on OpenVPN work using a tap device?

  - by Lekensteyn

  I've managed to setup OpenVPN for full IPv4 connectivity using tap0. Now I want to do the same for IPv6. Addresses and network setup (note that my real prefix is replaced by 2001:db8): 2001:db8::100:0:0/96 my assigned IPv6 range 2001:db8::100:abc:0/112 OpenVPN IPv6 range 2001:db8::100:abc:1 tap0 server side (set as gateway on client) 2001:db8::100:abc:2 tap0 client side 2001:db8::1:2:3:4 gateway for server Home laptop (tap0: 2001:db8::100:abc:2/112 gateway 2001:db8::100:abc:1/112) | | | (running Kubuntu 10.10; OpenVPN 2.1.0-3ubuntu1) | wifi | | router | | OpenVPN INTERNET | eth0 | /tap0 VPS (eth0:2001:db8::1:2:3:4/64 gateway 2001:db8::1) (tap0: 2001:db8::100:abc:1/112) (running Debian 6; OpenVPN 2.1.3-2) The server has both native IPv4 and IPv6 connectivity, the client has only IPv4. I can ping6 to and from my server over OpenVPN, but not to other machines (for example, ipv6.google.com). Using tcpdump on both the server and client, I can see that packets are actually transferred over tap0 to eth0. The router (2001:db8::1) send a neighbor solicitation for the client (2001:db8::100:abc:2) to eth0 after it receives the ICMP6 echo-request. The server does not respond to that solicitation, which causes the ICMP6 echo-request not be routed to the destination. How can I make this IPv6 connection work?

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• Connection failed between Windows Servers

  - by Kerby82

  I'm setting up an infrastructure based on Windows Server 2012. The firewall is turned off and I can't access the Domain controller to check for the group policy. I'm experiencing some connection problem between servers. All the servers are running a site on the TCP Port 80 and I check with netstat that the web server is binding on every Ip of the servers. If i try to telnet from the server itself on the port 80 it works (using DNS name) if I try same telnet from another machine I get connection failed. The DNS works, the ping is successfull, the servers are on the same subnet, the firewall is turned off (even though windows advanced firewall says that some settings can be managed by the System Administrator, i guess group policy). I don't know how to troubleshoot further. Do you have any idea? Is that possible that the FW looks turned off but there are some group policy blocking the connections? (I also check group policy-Administrative Template-Network Connections- Windows FW everything is not configured) I need some hint on how to keep troubleshooting such a problem.

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• What is the oldest hardware still in production use? How is it kept running?

  - by sleske

  In the spirit of the question What is your oldest hardware that still works?, I'd like to ask: What is the oldest hardware you know that is still in production use? And what challenges did you (or someone else) face in keeping it running (scarce documentation, no support, no spare parts available...)? Most organizations will retire / upgrade software and hardware after 5-10 years, but sometimes old software is kept running on old boxes, because it "just works". I once worked at a client site that was running a critical piece of (in-house developed) business software on a single server running HP-UX. The server was old (ca. 12-13 years), but fortunately still running without problems; however, getting spares would have been very difficult, and since software installation was undocumented, any significant system changes or even new hardware might have caused significant downtime and data loss. We eventually managed to replace it, but this is not always possible. I also read that many organizations still run decade-old mainframe hardware, particularly for highly customized systems controlling industrial machines or power plants. Which old hardware have you encountered? How did you manage these challenges? Related question: http://serverfault.com/questions/82467/should-old-servers-be-retired

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• Performance experiences for running Windows 7 on a Thin-Client?

  - by Peter Bernier

  Has anyone else tried installing Windows 7 on thin-client hardware? I'd be very interested to hear about other people's experiences and what sort of hardware tweaks they had to do to get it to work. (Yes, I realize this is completely unsupported.. half the fun of playing with machines and beta/RC versions is trying out unsupported scenarios. :) ) I managed to get Windows 7 installed on a modified Wyse 9450 Thin-Client and while the performance isn't great, it is usable, particularly as an RDP workstation. Before installing 7, I added another 256Mb of ram (512 total), a 60G laptop hard-drive and a PCI videocard to the 9450 (this was in order to increase the supported screen resolution). I basically did this in order to see whether or not it was possible to get 7 installed on such minimal hardware, and see what the performance would be. For a 550Mhz processor, I was reasonably impressed. I've been using the machine for RDP for the last couple of days and it actually seems slightly snappier than the default Windows XP embedded install (although this is more likely the result of the extra hardware). I'll be running some more tests later on as I'm curious to see particularl whether the streaming video performance will improve. I'd love to hear about anyone's experiences getting 7 to work on extremely low-powered hardware. Particularly any sort of tweaks that you've discovered in order to increase performance..

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• Mac - KeyRemap4MacBook - Custom XML

  - by DjRikyx

  I hope someone of you know this powerfull Pref Panel to remap the keyboard.. Since i'm using a PC Keyboard, i wanted to make Screenshot a bit easy to do.. I managed to get working: -Command+Shift+3 to Stamp (full screen screenshot) -Command+Shift+4 to Control+Stamp (Selection Cursor Screenshot) Now i want to remap Shift+Stamp to Command+Shift+4+Space to get Windows Screenshot.. i tried but nothing was working.. Here is my current XML.. i only need to add the last remap! <?xml version="1.0"?> <root> <item> <name>Custom PC Style Screenshot</name> <appendix>Command+Shift_L+4+Space to Shift+F13</appendix> <appendix>Command+Shift_L+4 to Control+F13</appendix> <appendix>Command+Shift_L+3 to F13</appendix> <identifier>private.custom_pc_style_screenshot</identifier> <autogen></autogen> <autogen>--KeyToKey-- KeyCode::F13, VK_CONTROL, KeyCode::KEY_4, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L</autogen> <autogen>--KeyToKey-- KeyCode::F13, KeyCode::KEY_3, ModifierFlag::COMMAND_L | ModifierFlag::SHIFT_L</autogen> Hope someone of you can help me out! Thank you

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• Windows: disable remote access of local drive, even by domain admin

  - by Matt

  We have a network of Windows 7 PCs that are managed as part of a domain. What we want is for the domain admin to be unable to view the PC's local drive (C:) unless he is physically at the PC. In other words, no remote desktop and no ability to use UNC. In other words, the domain admin should not be allowed to put \\user_pc\c$ in Windows Explorer and see all the files on that computer, unless he is physically present at the PC itself. Edit: to clarify some of the questions/comments that have come up. Yes, I am an admin---but a complete Windows novice. And yes, for the sake of this and my similar questions, it is fair to assume that I am working for someone who is paranoid. I understand the arguments about this being a "social problem versus a technical problem", and "you should be able to trust your admins", etc. But this is the situation in which I find myself. I'm basically new to Windows system administration, but am tasked with creating an environment that is secure by the company owner's definition---and this definition is clearly very different from what most people expect. In short, I understand that this is an unusual request. But I'm hoping there is enough expertise in the ServerFault community to point me in the right direction.

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• no administrator password for Windows 7

  - by huskergirl78

  I'm a secretary and my boss set up my new Windows 7 OptiPlex 7010 (Dell) computer for me while I was on vacation (he does not remember setting any "administrator" password). We are a small office so there is no system password set, either. I've used it for 6 months, all the while I couldn't access network drives, etc., without an administrator password. It was annoying, but I could still get my work done. Finally, on a slow day I took it upon myself to "fix" the problem, and in all my infinite wisdom, I managed to change my user account from administrator to standard user, so now I really can't do anything. I can't download or install any programs, move or rename files, etc. I tried the Dell suggested solution, but the BIOS tells me there is no password set, so it has to be a Windows 7 problem. All the solutions I have come across require an administrator password to let me do them. What can I do to find out the admin password so I can use my own darn computer!? Is there a default admin password?

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• Vmware Workstation, Win7 host, Ubuntu guests with Nat + Host-only networks but they cannot connect to the Internet

  - by Ikon

  I have a Win7 host machine with Vmware Workstation. In the workstation I have 3 Ubuntu installed. All 3 Ubuntu guests have a Nat network - to access the internet without asking the router for a local address - and a Host-only network - to connect all Ubuntu quests and the host in a private network for internal communication, without touching the router. When I try to make any of the Ubuntu quests to get data from the internet - assuming that they would figure out that the Nat-ed interface can access the requested data - they fail and report that there is no route to my query. If I disconnect the 2nd interface on the Ubuntu guests with the Host-only network and restart networking, they start to know the route to the internet. Odd, during the installation of the guests they asked which of the 2 given interfaces - with Nat and Host-only config - should be used to get updates during installation and they oddly managed to get the updates. Not so after the installation has finished and rebooted. I have checked the Virtual Network Editor that the Nat interface should use my real network card to access the net, so there should be no problem. I wish not to use the router's dhcp service to give the Ubuntu quests an address, and also I don't want the guests to be accessable from the local network directly, but only by the host - that's the Host-only network is for. Any suggestions? Edit: 192.168.189.0 is the Nat interface and 192.168.7.0 is the Host-only. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.7.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.189.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0.0.0.0 192.168.189.2 0.0.0.0 UG 100 0 0 eth0

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• vSphere Promiscuous mode only receiving packets one way from network switch

  - by steve.lippert

  We have two network switches, a POE switch (SwitchA) to power our phones / users computers and a non-POE switch (SwitchB for the rest network.) Each switch is setup to do port mirroring to support our VoIP recording system. SwitchA does port mirroring on specific ports if we need to record a user. SwitchB mirrors one port to monitor our work at home users (Internet comes in from managed router, to switch, back out to our firewall.) These two port mirroring setups feed into one vmware vSphere 4.1 server, it has four total physical cards. The other two NICs feed into an unmanaged switch for connecting to the rest of the network. Once into the vSphere server all network ports go into a vSwitch, and then one of the servers (Windows 2008 R2) sniffs them out and does its thing. Everything is working fine and dandy from SwitchB. But on SwitchA we only receive one side of the VoIP packets (going out to the phone, nothing coming in from the phone). Troubleshooting steps I have taken so far: I hooked up my laptop to the monitor port on SwitchB and I see both sides of the packets. I swapped which network interface is plugged into the monitor port on SwitchA. Because everything feeds into one vSwitch / vNetwork and both sides of the conversation arrive just fine from SwitchB I believe everything is configured correctly on the vSphere server/guest. What could be causing one way packets to arrive on my guest machine from only one interface, but not the other? Could a bad cable be causing the problems from SwitchB?

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• How to setup Joomla CMS as a backend for iPhone app

  - by srik

  I would like my iPhone app to get dynamic content off the net. This content should be managed using a CMS. I have gone ahead and installed Joomla on my server and will be using the Joomla web interface to create and manage content. I would now like the iPhone app to login to my server and fetch the content. I do not want the complete web pages for my iPhone app. Instead, I want the content in the form of XML or JSON or some serialized format so that I can use the data in a custom layout native to the app. So I am looking for 2 things in particular: 1. How to setup HTTP based authentication for my iPhone app to access data from my server. 2. How to access the content in a serialized format (XML, JSON etc) Are there plugins/extensions/components I can use to achieve the same. Any advice on how this can be achieved would be helpful. I am completely new to setting up/using CMS.

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• How to setup Joomla CMS as a backend for iPhone app

  - by srik

  I would like my iPhone app to get dynamic content off the net. This content should be managed using a CMS. I have gone ahead and installed Joomla on my server and will be using the Joomla web interface to create and manage content. I would now like the iPhone app to login to my server and fetch the content. I do not want the complete web pages for my iPhone app. Instead, I want the content in the form of XML or JSON or some serialized format so that I can use the data in a custom layout native to the app. So I am looking for 2 things in particular: 1. How to setup HTTP based authentication for my iPhone app to access data from my server. 2. How to access the content in a serialized format (XML, JSON etc) Are there plugins/extensions/components I can use to achieve the same. Any advice on how this can be achieved would be helpful. I am completely new to setting up/using CMS.

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• What's the best way to get a stored POP3 password out of Outlook 2007?

  - by Tom Morris

  If you have a password for a POP3 account in Outlook 2007 (Windows 7 Home Premium) and you then forget the password, how do you retrieve it? I tried copy-and-paste. No go. I downloaded Mail PassView, but upon installing it, AVG said it was malware, so I removed it. I eventually found the account details by opening up RegEdit, and found it in HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\ (...) but it was encoded in REG_BINARY. I Googled around and found various Visual Basic routines for decoding it but being a Unix dork I had absolutely no idea what to do with said scripts. By this point, I gave up and managed to get hold of the password by another means (it was written down on a piece of paper in the briefcase of the owner of the account - I know, it makes the inner sysadmin rage). I also attempted to write a simple POP3 server in Python and then get Outlook to log on to it, but that didn't really work out (it was about 4am at that point). For future reference, is there an easy and sensible way of doing this? Is Mail PassView actually evil spyware or was AVG just giving me a false positive? (Any chance of Windows 8 having something like OS X's Keychain?)

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• How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface? [migrated]

  - by JJarava

  This is what I believe to be an interesting challenge :) A relative (that leaves a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down abysmally lately. She'd like to know if some of the neighbors are using her wifi network to access the internet but she's not too technically savvy. I know that the best way to prevent issues would be to change the Router password, but it's a bit of a PITA having to re-configure all wifi devices... and if the uninvited guest broke the password once, they can do it again... Her wifi router/internet connection is provided by the telco, and remotely managed so she can log-on to their telco account's page and remotely change the router's Wifi password, but doesn't have access to the router status page/config/etc unless she opts out of the telco's remote support and mainteinance service... So, how could she check if there are guests in the wifi with this restrictions and in the most "point and click way"? In this case I'd probably use nmap to look for other devices in the network, but I'm not sure if that's the easiest way to do it. I'm not a wifi expert, so I don't know if there are any wifi-scanning utils that can tell us who's talking to the router... Lastly, she's a Windows user as I guess that'll influence the choice of tools available Any suggestions more than welcome Regards!

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• How do I uninstall a ruby version installed via source?

  - by Aaron McIver

  I installed a version (1.9.3-p194) of ruby via source using make install and realized this may have been the wrong route to take. Upon doing this, I realized this was a mistake and I should be using a solution such as rvm to address my ruby versions within the OS. I looked to see if an uninstall existed to be ran in conjunction with make and it didn't. I then proceeded to install rvm and add the aforementioned version in to my list of managed rubies within rvm which is not listed as ext-ruby-1.9.3-p194. rvm rubies ext-ruby-1.9.3-p194 [ x86_64 ] =* ruby-1.9.3-p194 [ x86_64 ] # => - current # =* - current && default # * - default** When I perform an rvm remove, it simply removes it from the rubies list however it still exists within /usr/local/bin. I am not concerned with the system install ruby version residing in /usr/bin as I understand that is tied to the OS and should simply be ignored. How can I safely uninstall/remove the aforementioned version and all the places in which it was installed, short of looking at the install script?

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• Installing ionCube on Windows 2008 64bit

  - by JoJo

  I've been trying to install ionCube onto my server but have not been having a lot of luck! My server is: Windows 2008 64bit PHP 5.3.14 Thread Safe disabled running as FastCGI In my PHP.ini I have : zend_extension="C:\Program Files (x86)\PHP\ext\ioncube_loader_win_5.2.dll" The path is correct. The DLL is from the x86 NONTS VC9 version of ionCube and PHP is using the MSVC9 (Visual C++ 2008) compiler though I have also tried using the x86 NONTS VC6 version of ionCube. I'm not getting any error but I'm also not getting ionCube when using phpinfo(): This program makes use of the Zend Scripting Language Engine: Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies Apart from the mail application pools I have also set all the applications in the application pool in IIS7 to use 32bit mode. I don't know if FastCGI is running under 64 or 32 bit mode nor how to switch it or whether it would make a difference? I know it can be a problem installing ionCube onto 64bit Windows but I have also come across threads whereby other people have also [somehow] managed to get it working but even though I seem to be doing the same as them I still can't get it working.

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• How to disable monitor "sleep" on Ubuntu without access to X?

  - by exhuma

  I just received a CuBox (basically a tiny ARM based PC). It comes pre-installed with Ubuntu, and I did not (yet) want to fiddle with the OS itself. My aim is to have it automaticall start a browser in fullscrren upon boot. Using chromium with the "--kiosk" flag works perfectly in that regard. But now I have the problem that the screen turns off after a certain time. I managed to turn off the screen saver using: gconftool-2 -s /apps/gnome-screensaver/idle_activation_enabled --type=bool false And tried to turn off the power management using: gconftool-2 -s /apps/gnome-power-manager/ac_sleep_display --type=int 0 and gconftool-2 -s /apps/gnome-power-manager/timeout/sleep_display_ac --type=int 0 Neither of the power-management commands worked. Theoretically I could hook up a mouse and keyboard and configure it manually. But I want to learn how to do it over the console. The box will eventually be only reachable via SSH. So I'd like to be able to trouble-shoot it later. I don't quite know where to look for. I searched the gconf tree using gconftool-2 -S for anything related to the terms power, idle and sleep but did not find anything promising. Maybe it's not even gconf related... Any ideas what else I could look for?

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• Assigning IPs to OpenVZ containers

  - by Vojtech

  I have recently bought myself a physical server and I am trying to create containers which would have their IPs. The physical machine has both IPv4 and IPv6 addresses. I have accessible another IPv4 and some other IPv6 addresses which I would like to assign to the container. I managed to assign the addresses as follows: # vzctl set 101 --ipadd 144.76.195.252 --save I can ping to the machine from the physical machine, but not from the outside world. This also applies to the IPv6 I assigned as well. This is ifconfig of the physical machine: eth0 Link encap:Ethernet HWaddr d4:3d:7e:ec:e0:04 inet addr:144.76.195.232 Bcast:144.76.195.255 Mask:255.255.255.224 inet6 addr: 2a01:4f8:200:71e7::2/64 Scope:Global inet6 addr: fe80::d63d:7eff:feec:e004/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:217895 errors:0 dropped:0 overruns:0 frame:0 TX packets:16779 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:322481419 (307.5 MiB) TX bytes:1672628 (1.5 MiB) venet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet6 addr: fe80::1/128 Scope:Link UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1 RX packets:12 errors:0 dropped:0 overruns:0 frame:0 TX packets:12 errors:0 dropped:3 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1108 (1.0 KiB) TX bytes:1108 (1.0 KiB) This is ifconfig of the OpenVZ container: # ifconfig venet0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:127.0.0.2 P-t-P:127.0.0.2 Bcast:0.0.0.0 Mask:255.255.255.255 inet6 addr: 2a01:4f8:200:71e7::3/64 Scope:Global UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1 RX packets:12 errors:0 dropped:0 overruns:0 frame:0 TX packets:12 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1108 (1.0 KiB) TX bytes:1108 (1.0 KiB) venet0:0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:144.76.195.252 P-t-P:144.76.195.252 Bcast:144.76.195.252 Mask:255.255.255.255 UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1 What do I need to do to have the container accessible from the outside world? What could I have forgotten? Thanks.

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• processes slow after some time of actively running

  - by Yervand Aghababyan

  i have several cron jobs running on an ubuntu machine. each one does some pretty heavy load stuff. The cron jobs are parsing files and the bigger the file the longer it takes them to parse it. The strange thing is that if i make the files too big ( like 30mb) the script kind of hangs. It starts processing them really enthusiastically but after some time (something like 5-10 minutes) the cpu usage of the process drops a lot and it gets into some "zombie" state. If prior to this the process in htop was using 70-80% of the CPU then after this drop occurs it slows down to something like 5-10%. the load average drops down as well. The status of the processes sometimes changes to D in htop, which AFAIR stands for zombie. Today i noticed the same behavior of processes of mysql when executing heavy queries (a query took something like 4 hours to execute). the cron jobs are mostly php and during their processing most of the CPU eats the php process and not mysql. so i think the issue is not with a specific language/program but with the way the processes are "managed". The only other place i've seen similar behavior was on my Amazon EC2 micro instance when after some aggressive use of CPU the CPU quota was taking effect and everything was slowing down dramatically. This is a dedicated machine running ubuntu. what may be the cause?

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• How to install Windows with no CD drive boot option in BIOS?

  - by Kris Hollenbeck

  I have a new computer which I built from scratch and I am trying to install a copy of Windows Vista on it. I am able to get to the BIOS and change the boot options which are as follows.. -Built-in EFI Shell -SATA: ST31000528AS I have searched around for and everything I find says to boot from the CD rom. However, as you can see. That is not an option for me. So I am wondering if there is another way around this? Is it possible to boot the Disk from the EFI Shell? Any help is much appreciated. Thanks EDIT: I have tried this.. http://technet.microsoft.com/en-us/library/dd744321%28v=ws.10%29.aspx UPDATE: I managed to make my USB bootable via the BIOS and I have copied my windows Vista disk onto my USB via drag and drop. However I am still not able to get the windows install to start. Also I have tried booting it from the EFI shell using the following command.. blk6: blk6:\> \EFI\BOOT\BOOTX64.EFI Still no luck..

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• VPN into multiple LAN Subnets

  - by Rain

  I need to figure out a way to allow access to two LAN subnets on a SonicWall NSA 220 through the built-in SonicWall GlobalVPN server. I've Googled and tried everything I can think of, but nothing has worked. The SonicWall NSA management web interface is also very unorganized; I'm probably missing something simple/obvious. There are two networks, called Network A and Network B for simplicity, with two different subnets. A SonicWall NSA 220 is the router/firewall/DHCP Server for Network A, which is plugged into the X2 port. Some other router is the router/firewall/DHCP server for Network B. Both of these networks need to be managed through a VPN connection. I setup the X3 interface on the SonicWall to have a static IP in the Network B subnet and plugged it in. Network A and Network B should not be able to access each other, which appears the be the default configuration. I then configured and enabled VPN. The SonicWall currently has the X1 interface setup with a subnet of 192.168.1.0/24 with a DHCP Server enabled, although it is not plugged in. When I VPN into the SonicWall, I get an IP address supplied by the DHCP Server on the X1 interface and I can access Network A remotely although I do not have access to Network B. How can I allow access to both Network A and Network B to VPN clients although keep devices on Network B from accessing Network A and vice-versa. Is there some way to create a VPN-only subnet (something like 10.100.0.0/24) on the SonicWall that can access Network A and Network B without changing the current network configuration or allowing devices on both netorks "see" each other? How would I go about setting this up? Diagram of the network: (Hopefully this kind of helps) WAN1 WAN2 | | [ SonicWall NSA 220 ]-(X3)-----------------[ Router 2 ] | | (X2) 192.168.2.0/24 10.1.1.0/24 Any help would be greatly appriciated!

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• I have a perl script that is supposed to run indefinitely. It's being killed... how do I determine who or what kills it?

  - by John O

  I run the perl script in screen (I can log in and check debug output). Nothing in the logic of the script should be capable of killing it quite this dead. I'm one of only two people with access to the server, and the other guy swears that it isn't him (and we both have quite a bit of money riding on it continuing to run without a hitch). I have no reason to believe that some hacker has managed to get a shell or anything like that. I have very little reason to suspect the admins of the host operation (bandwidth/cpu-wise, this script is pretty lightweight). Screen continues to run, but at the end of the output of the perl script I see "Killed" and it has dropped back to a prompt. How do I go about testing what is whacking the damn thing? I've checked crontab, nothing in there that would kill random/non-random processes. Nothing in any of the log files gives any hint. It will run from 2 to 8 hours, it would seem (and on my mac at home, it will run well over 24 hours without a problem). The server is running Ubuntu version something or other, I can look that up if it matters.

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• How to reinstall bootloader after migration to SSD

  - by hijarian

  I must say, it was difficult to name this question. Basically, I need to properly reinstall the bootloader on my system, because I already have the working system disks for my OSes. The long story is this: I had the large slow HDD with Windows7 & Debian Wheezy dual-boot on it, perfectly bootable. Then, I ordered the SSD drive and prepared my system partitions to fit onto the much smaller SSD. I wanted the following schema: 128 GB Windows 24 GB / on Debian 86 GB /home on Debian Strange size for /home because there's no such thing as true 256GB disk drive. So, I've prepared such a partitions on my initial HDD and installed the new SSD and then I loaded the GParted live USB (can't remember now how it was really named), and then just copypasted the partitions from HDD to SSD. So, now I have the following partitions across the physical disks: SSD 128 GB copy of original Windows partition 24 GB copy of presumably Debian / 86 GB copy of presumably Debian /home HDD 128 GB Windows 24 GB / on Debian 86 GB /home on Debian ... several other partitions with non-system data ... And the behavior of the system right after the Ctrl+C, Ctrl+V in GParted was as follows: no GRUB, system boots right into the Windows on HDD. In BIOS settings are to boot from SSD first. I managed to create the Debian Testing installation USB and loaded it into the rescue mode, found that it identified my SSD as /dev/sda and installed the GRUB to the /dev/sda. Now my system loads the GRUB which lists both Windows and Debian. From HDD. So, I am now back into initial position. Please, how I should set up the GRUB so it'll load the OSes correctly from SSD? Should I fire up my Debian, fiddle with the GRUB's config and reinstall it again to the same place (at SSD)?

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• ldap-authentication without sambaSamAccount on linux smb/cifs server (e.g. samba)

  - by umlaeute

  i'm currently running samba-3.5.6 on a debian/wheezy host to act as the fileserver for our department's w32-clients. authentication is done via OpenLDAP, where each user-dn has an objectclass:sambaSamAccount that holds the smb-credentials and an objectclass:shadowAccount/posixAccount for "ordinary" authentication (e.g. pam, apache,...) now we would like to dump our department's user-db, and instead use authenticate against the user-db of our upstream-organisation. these user-accounts are managed in a novell-edirectory, which i can already use to authenticate using pam (e.g. for ssh-logins; on another host). our upstream organisation provides smb/cifs based access (via some novell service) to some directories, which i can access from my linux client via smbclient. what i currently don't manage to do is to use the upstream-ldap (the eDirectory) to authenticate our institution's samba: i configured my samba-server to auth against the upstream ldap server: passdb backend = ldapsam:ldaps://ldap.example.com but when i try to authenticate a user, i get: $ smbclient -U USER \\\\SMBSERVER\\test Enter USER's password: Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.6.6] tree connect failed: NT_STATUS_ACCESS_DENIED the logfiles show: [2012/10/02 09:53:47.692987, 0] passdb/secrets.c:350(fetch_ldap_pw) fetch_ldap_pw: neither ldap secret retrieved! [2012/10/02 09:53:47.693131, 0] lib/smbldap.c:1180(smbldap_connect_system) ldap_connect_system: Failed to retrieve password from secrets.tdb i see two problems i'm having: i don't have any administrator password for the upstream ldap (and most likely, they won't give me one). i only want to authenticate my users, write-access is not needed at all. can i go away with that? the upstream ldap does not have any samba-related attributes in the db. i was under the impression, that for samba to authenticate, those attributes are required, as smb/cifs uses some trivial hashing which is not compatible with the usual posixAccount hashes. is there a way for my department's samba server to authenticate against such an ldap server?

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• IIS7.5 - about app pool ID's and folder read/write access

  - by merk

  I did some searching and it looks like for each app pool, there should be an account created called IIS APPPOOL\AppPoolName - however i can see no such account when i try to modify the permissions on a folder to give that app write access. The closest I have found is the IIS_IUSRS group. Now, if i go into that group and look at the members, i see several IIS APPPOOL\PoolName members. But where are these members coming from? Why don't they show up under the users? And why can't i add a specific one to a folder? It doesn't make sense to me to add the IIS_IUSRS group to a folder since they gives every site access to the folder. To be more specific, I'm setting up wordpress and it unfortunately wants write access to the root folder. So i want to restrict it as much a possible. I was trying to figure out how to set it so that the WP root folder has write access only for the ID that the blog's app pool is running under. When i drill down into the IIS_IUSRS group, i do not see the app pool for the blog listed there. The settings for the blog's app pool are: No managed code, Classic, ApplicationPoolIdentity, and it's named 'blog' So any explanations regarding these users that are created for the app pools, and why the blog doesn't seem to belong to the iusrs group? thanks

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