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• Admin mode on Procurve Switches

  - by stefan.at.wpf

  Not being a network expert, I spent some time configuring my network, until I found my mistake: On my HP ProCurve Switch 1810G, I thought that "Admin mode" means whether the administrative interface can be accessed from this port. Well, it means whether the port is enabled or not. Extract from the help function: Admin Mode - Select to enable the port-control administration state. Click to enable and have the port participate in the network.(Default : Enabled ) Well, of course I didn't read the help, because I didn't doubt it's for the adminsitrative interface and suspected an error somewhere else. Anyway, I am wondering if that is a commonly used term for enabling/disabling ports or if HP just wanted to make my life harder? I can't understand why this option isn't just called "Enable port"!? Here's a screenshot of how it looks in the web interface (yeah, shame on me for using a web interface)

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• Trouble joining Windows Server 2008 to Domain

  - by Jim R

  When I try to join my new server to my existing domain I get the following error: "An attempt to resolve the DNS name of a DC in the domain being joined has failed. Please verify this client is configured to reach a DNS server that can resove DNS names in the target domain." I have tried all of the following already: Successfully pinged the domain controller. Ping the new server from the domain controller by IP address and by DNS name. Ping the DC server from the new server by IP address and by DNS name. Changed the network to DHCP (it was originally static). No joy as static or DHCP. Turned off all firewall settings. Added the domain name to 'hosts' file. Added the server name of the primary domain controller to the 'hosts' file in the new server. Any ideas? Thanks in advance for any help! Jim Update: With help from J. Brian Kelly (Thanks) I have managed to narrow down the problem to a DNS issue. Specifically, UDP/53 packets are being sent (they are seen in Network Monitor), but are not getting to the DNS server. But, I do not yet know why. Update: The quested output from IPCONFIG for the HyperV host and the virtual machine. IPCONFIG from HyperV Server Windows IP Configuration Host Name . . . . . . . . . . . . : HYPER Primary Dns Suffix . . . . . . . : sfi-wfc.com Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : sfi-wfc.com Ethernet adapter Local Area Connection 4: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Primary Network Physical Address. . . . . . . . . : 00-30-48-CA-CC-7A DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::cd16:3ac2:3d4f:e275%679(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.100.1(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.100.10 DHCPv6 IAID . . . . . . . . . . . : -1476382648 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-10-20-E9-00-30-48-CA-CC-7A DNS Servers . . . . . . . . . . . : 192.168.100.5 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter Local Area Connection 3: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : sfi Description . . . . . . . . . . . : Intel(R) 82576 Gigabit Dual Port Network Connection #2 Physical Address. . . . . . . . . : 00-30-48-CA-CC-7B DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPCONFIG from Virtual Machine Windows IP Configuration Host Name . . . . . . . . . . . . : DB Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : sfi Ethernet adapter Local Area Connection 2: Connection-specific DNS Suffix . : sfi Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter Physical Address. . . . . . . . . : 00-15-5D-66-03-02 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.100.128(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Saturday, August 29, 2009 10:44:45 AM Lease Expires . . . . . . . . . . : Tuesday, September 01, 2009 3:08:33 PM Default Gateway . . . . . . . . . : 192.168.100.10 DHCP Server . . . . . . . . . . . : 192.168.100.5 DNS Servers . . . . . . . . . . . : 192.168.102.5 Primary WINS Server . . . . . . . : 192.168.100.5 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter Local Area Connection* 8: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : sfi Description . . . . . . . . . . . : isatap.sfi Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Local Area Connection* 9: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 02-00-54-55-4E-01 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes

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• Running IIS command on remote server via Powershell

  - by Paul Hunt

  I am trying to check if an IIS application pool exists on a remote server using a PowerShell script. The command I am running is: test-path "IIS:\AppPools\DefaultAppPool" If I run this script directly on the IIS server in question I get a response back of "True" so this tells me that I have IIS management correctly configure in PowerShell. However when I run the following script from a remote server I get a response of "False" invoke-command -ComputerName IISSERVER -ScriptBlock { test-path "IIS:\AppPools\DefaultAppPool" } I know that PowerShell remoting is correctly configured because I can run the following command and get a list of files invoke-command -ComputerName IISSERVER -ScriptBlock { get-childitems "c:\" } So why am I getting the wrong response about the existence of the application pool?

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• selinux permissive and type targeted

  - by krisdigitx

  i am running centos 6.2 recently i noticed that apache was running with selinux enabled # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced. # permissive - SELinux prints warnings instead of enforcing. # disabled - No SELinux policy is loaded. SELINUX=Permissive # SELINUXTYPE= can take one of these two values: # targeted - Targeted processes are protected, # mls - Multi Level Security protection. SELINUXTYPE=targeted i noticed that these errors were coming on dmesg type=1400 audit(1354453732.704:9056368): avc: denied { name_connect } for pid=39006 comm="httpd" dest=11211 scontext=unconfined_u:system_r:httpd_t:s0 tcontext=system_u:object_r:memcache_port_t:s0 tclass=tcp_socket type=1400 audit(1354453735.777:9056369): avc: denied { name_connect } for pid=39046 comm="httpd" dest=6379 scontext=unconfined_u:system_r:httpd_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=tcp_socket i then enabled /usr/sbin/setsebool httpd_can_network_connect=1 and this stopped the errors and also the webpages started to work. My question is if selinux is in permissive mode will selinuxtype=targeted enforce any polices? if not how did it solve the problem with apache as selinux was already in permissive mode?

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• How to reconnect to Remote Session in a script?

  - by Lukasz

  Hello, I need to persist a Remote desktop connection across a reboot of a Terminal server. I'm thinking that it would be something like a scheduled task that would run periodically and check the running state of the session and restart it if it's down. BTW, I did check the "Reconnect..." checkbox on the advanced tab of the connection options, but it still goes down everytime we restart the terminal server. Does anyone have the script that would accomplish the above in a scheduled task, or perhaps another solution?

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• Is there a convenient way to manually copy the Log Shipping *.trn files from one SQL 2008 server to

  - by Rick

  We have a remote SQL 2008 server (ServerB) that needs to keep a warm (15 minute interval is OK) copy of production data (ServerA). ServerA is also SQL 2008. Log Shipping looks like it will do the job. We can only get to the destination ServerB with remote desktop. Is there a way to set this up when we can't get to both servers from one Management Studio? We want to be able to temporarily (until a VPN is setup between our network and the ServerB network) manually export a small .trn file, copy it via remote desktop to ServerB and then manually import those transactions from the .trn file. My supervisor says he saw a post saying this is possible. We were just trying to avoid doing a full database backup and copying that every time. Thanks in advance for any suggestions on this.

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• Why does the Java VM process eat up more RAM then specified in -Xmx parameter?

  - by evilpenguin

  I have multiple servers running CentOS 5.4 and only one application running on Java VM. I've configured the Java VM with the following arguments: java -Xmx4500M -server -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:NewSize=1024m -Djava.net.preferIPv4Stack=true -Dcom.sun.management.jmxremote=true The machines I'm running the VM on has 6 GB RAM and no other applications running. After a while, the java process starts to hit the swap space really hard, I get this info out of the top command: 7658 root 25 0 11.7g 3.9g 4796 S 39.4 67.3 543:54.17 java On the other hand, if I connect via JConsole, it reports the Java VM has 2.6 GB used, 4.6 GB commited and 4.6 Gb max. java -version returns: java version "1.6.0_17" Java(TM) SE Runtime Environment (build 1.6.0_17-b04) Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01, mixed mode) Why is the Java VM expanding so much past it's allocated heap size? And where does that memory go, if it's not reported in JConsole?

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• How to automatically save sessions with multiple windows in FireFox

  - by Matthew Talbert

  I've used primarily FF's built-in session management until recently. Now my needs have become more sophisticated. What I want is to be able to have two windows, one with a fixed set of tabs (approximately 5) and the other with "automatic save". That is, when I start FF, I want 1 window to open with my 5 tabs, and another to open with whatever I had when I shut down FF. I've installed "Session Manager", but I can't seem to get it to do what I want. It will save one window, but when I close one window, it removes that one from the session. Any suggestions to do this with either Session Manager or another plugin would be great.

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• Which smartphone OS would you choose for your users ?

  - by Florent

  While we currently only use windows mobile smartphone, my boss seems less and less reluctant to try and choose a new kind of OS for our users corporate phones. For some reasons, we can't use a Blackberry Enterprise Server, so i guess our only choice is between Iphone OS and Android (or Blackberry without BES ? I don't really know if this works fine) We need activesync capable smartphones of course, and activesync security policies must be available (pin when using your phone for example). Centralized Phone management would be nice too :D Any ideas on what should be the best smartphone to choose for our users ?

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• How to reset password for Dell PowerConnect 2708?

  - by oherrala

  I do as the user manual says and press "Managed Mode" button to get into unmanaged mode and then press "Managed Mode" button again for managed mode. This should reset the device to factory defaults and username "Admin" with no password. However, the device resets (I think) and I can access the web console from IP 192.168.2.1, but the username and password doesn't work. Maybe the device doesn't reset after all. Or the username/password has been changed in some firmware upgrade? What should I do to get into management of this switch?

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• Using symbolic links with git

  - by Alfredo Palhares

  I used to have my system configuration files all in one directory for better management but now i need to use some version control on it. But the problem is that git doesn't understand symbolic links that point to outside of the repository, and i can't invert the role ( having the real files on the repository and the symbolic links on their proper path ) since some files are read before the kernel loads. I think that I can use unison to sync the files in the repo and and the their paths, but it's just not practical. And hard links will probably be broken. Any idea ?

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• Hosted Exchange 2010 Send As

  - by Ravi

  I have a hosted exchange 2010 and I am trying to setup the Send-As permission. I am following http://technet.microsoft.com/en-us/library/bb676368.aspx which basically describes the commands for achieving this. I have user account aaa and bbb [PS] C:\Windows\system32get-mailbox -organization myorg -identity "aaa" Name Alias ServerName ProhibitSendQuota ---- ----- ---------- ----------------- aaa aaa mx1 4.95 GB (5,315,022,848 bytes) [PS] C:\Windows\system32get-mailbox -organization myorg-identity "bbb" Name Alias ServerName ProhibitSendQuota ---- ----- ---------- ----------------- bbb bbb mx1 4.95 GB (5,315,022,848 bytes) Now, when I use the command below to give bbb permission to send-as aaa, I get the following error: [PS] C:\Windows\system32get-mailbox -organization myorg -identity "aaa" | Add-ADPermission -Extended Rights "Send As" -user "bbb" mx1/Microsoft Exchange Hosted Organizations/myorg/aaa wasn't found. Please make sure you've typed it correctly. + CategoryInfo : InvalidArgument: (:) [Add-ADPermission], ManagementObjectNotFoundException + FullyQualifiedErrorId : D2FD338,Microsoft.Exchange.Management.RecipientTasks.AddADPermission The error message that 'aaa' was not found does not make sense because i just retrieved the mailbox in the previous commands. I have tried using email addresses instead of alias but it does not work.

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• Microsoft Outlook x Lotus Notes in enterprise environment

  - by Ladislav Mrnka

  I'm working in company (several thousands client computers) using tools like MS Outlook + Exchange + Sharepoint + Communication server. Now our mother company shared the idea that everything should be moved to IBM Lotus Notes + Domino. The reason for this is that Outlook based solution is too expensive (it is the official statement even they don't want to replace MS Office yet). Other reason probably is that they received a lot of licences for Lotus when they bought IBM servers to new data center. My question is: Is this reasonable change or is it just some management game and IBM's marketing? Will it really save money? Other question: Is Lotus better then MS solution? This is serious question, it is not mentioned to open any kind of flame war. I just don't believe the decission and I have never used Lotus tools.

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• Are these components compatible and are there any significant bottlenecks?

  - by Tom Gullen

  I'm trying to buy a new pc, for software dev and a bit of gaming. I already have a 500gb HDD , and a PCI sound card I want to use as well. Is all this stuff compatible, and will it all work together and are there any significant bottlenecks? Case, Mobo and PSU "Primo Motion" AMD 880G DDR3 Ready Barebones (Socket AM3) http://www.overclockers.co.uk/showproduct.php?prodid=FS-268-OK&groupid=43&catid=1817&subcat= SSD 64GB Crucial RealSSD C300 64GB 2.5" SATA 6Gb/s Solid State Hard Drive http://www.overclockers.co.uk/showproduct.php?prodid=HD-007-CR&groupid=1657&catid=1660&subcat=1668 CPU AMD Phenom II X6 Six Core 1090T Black Edition 3.20GHz (Socket AM3) http://www.overclockers.co.uk/showproduct.php?prodid=CP-266-AM&groupid=701&catid=6&subcat=1944 RAM 8GB Corsair Vengeance 8GB (2x4GB) DDR3 PC3-15000C9 1866MHz Dual Channel Kit http://www.overclockers.co.uk/showproduct.php?prodid=MY-292-CS&groupid=701&catid=8&subcat=1387 Graphics XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-Express Graphics Card http://www.overclockers.co.uk/showproduct.php?prodid=GX-149-XF

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• Why is VMware vSphere Client hanging at the console?

  - by David

  When I use the vSphere Client (against an ESXi 4.1 server) it hangs a lot. It's always at the same place - using the console on a VM. The console stops responding - and a lot of times, the management window stops responding as well. The operating system won't close the window (as the application isn't responding) and requires a force close. I've had the console refuse to give up the mouse, and have had the console freeze with the cursor in the top left (before any VM software starts, maybe?). The environment is this: the system is a Dell laptop running Ubuntu 10.10 (Maverick) fully updated with VirtualBox OSE running Windows XP (also fully updated). The vSphere Client is running in the Windows XP VM. Got all that? How do I keep these hangs from happening? It is very aggravating. I'm still trying just to get the VM loaded with Ubuntu Server...

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• how to run an AFS file server on a specific ethernet card (in Debian)

  - by listboss

  I have a linux box running Debian server with minimal number of packages (so no GUI for network management). The box has two ethernet cards, one of which (eth0) is connected to a Mac OSX computer using a cross-cable. I can bring up eth0 and assign a static ip (10.10.11.16) to it. This way I can ssh to the box through the cross-cable. This is what I run on Linux box: ifconfig eth0 10.10.11.16 netmask 255.255.255.0 up I also installed/started a file server (AFS) on Debian. So far, the file server can only be accessed through eth1 which is exposed to my home LAN and www. My goal is to set up the file server so that it's only visible through eth0. Is this possible? and if yes, how can I do it?

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• Run as different user on a shortcut

  - by PhilPursglove

  How do I do this in Windows 7? On Windows XP I had the ability to mark a shortcut as being run by a different user, so that every time I ran it it would prompt me for a username/password. This let me have two shortcuts for things like SQL Server Management Studio, one for my normal account and one for my Domain Admins account which has access to production servers. I can get to the 'Run as different user' option with Shift+right-click, but I can't see an option anywhere that would let me mark the shortcut as doing this every time.

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• Numlock on when computer is off

  - by George Duckett

  I have a desktop PC which was recently moved. Since moving I've noticed that even while the PC is turned off (but wall socket turned on) the NumLock LED on the keyboard is on. It may have been doing this before the move, but I've only noticed it now. Maybe it matters that the keyboard is connected via a shared mouse/keyboard PS/2 port and I'm running Windows 7. I've not checked whether the LEDs are just keeping whatever state they were in when I turned the PC off but will do this if that information could be relevant. Why does the led stay on when the PC is turned off and how can I prevent this?

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• Backup VSS Issues

  - by MJ

  I've got this server, and we've been having VSS issues for quite awhile. We've tried every form of re-registering the VSS drivers we can think of. NTbackup won't run a system state backup vssadmin list writers doesn't list anything. We're getting VSS error 12302 in the event log. Has anyone ran into a situation like this before? We're thinking the next step, if possible, is a complete reinstall of the VSS. Any other ideas?

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• Windows 2008 Server in Amazon EC2 stops responding when SSTP/VPN connection is closed

  - by user38349

  All, I have a single Windows 2008 server running in Amazon's EC2 cloud. It's running a web application that is running fine and is accessible to the outside world. I need 3-5 developers to be able to work on database on the server, and was intending to accomplish this by setting up SSTP/RRAS on the server and letting them VPN in. This has been a bit of an ordeal due to the amount of server roles and messing with certificates that has been needed, but my VPN connection works now (all clients will be Windows 7). My problem is that when I use my VPN connection (from the client side) the server hangs - although not at any any consistent place, sometimes it's when I close the connection, some times when I'm making the connection). The only way that I've found to get it back is to reboot it from the Amazon management console. Thanks for any guidance. Duncan

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• Windows 2008 Server in Amazon EC2 stops responding when SSTP/VPN connection is closed

  - by user38349

  All, I have a single Windows 2008 server running in Amazon's EC2 cloud. It's running a web application that is running fine and is accessible to the outside world. I need 3-5 developers to be able to work on database on the server, and was intending to accomplish this by setting up SSTP/RRAS on the server and letting them VPN in. This has been a bit of an ordeal due to the amount of server roles and messing with certificates that has been needed, but my VPN connection works now (all clients will be Windows 7). My problem is that when I drop my VPN connection (from the client side) the server hangs. The only way that I've found to get it back is to reboot it from the Amazon management console. Thanks for any guidance. Duncan

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• Navigation keys on numeric keypad randomly stop working

  - by Tom Hughes

  Shortly after a restart, the arrow and navigation (Home, End...) keys on my numeric keypad will randomly stop working, and -- regardless of the state of the NumLock -- return only numbers. I notice this the most in browser applications (like this edit box) but the same effect is true on the command line and in desktop applications like Word. I swapped keyboards and now use a Microsoft keyboard (both are USB keyboards) but the same behavior persists. I also tried a clean boot to clean out startup programs but this made no difference. The separate arrow keys and navigation keys between the QWERTY keys and the numeric keypad work fine, but my strong preference (dating back to DOS and MS Flight Simulator) is to use the navigation keys in the numeric keypad.

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• Can you set CIFS permisions from EMC Command Line?

  - by TJ.

  I am in the process of migrating file shares from my EMC NS-20 to my new VNXe 3100. I am using a RoboCopy script to move the files but am getting errors on some files and folders. I have Domain Admin privileges but when I go to view the security permissions on the folders it says I don't have permissions. I have tried taking ownership to get around the permissions issue but that fails too. So as a last resort can I set permissions on this folder from the EMC console or Web management console?

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• prevent apt dependency from being satisfied (permanently)

  - by Bryan Hunt

  I want to install mailman (just to use it's mail archiving feature) but Ubuntu wants to pull down a load of extra dependencies. sudo apt-get install mailman Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: apache2 apache2-mpm-worker apache2.2-common Suggested packages: apache2-doc apache2-suexec apache2-suexec-custom spamassassin lynx listadmin Is there any way to mark those packages ( apache2 apache2-mpm-worker apache2.2-common ) as never to be installed? This is not 2002 ;)

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• is it worth defragging an iPod

  - by alimack

  Essentially my 5G iPod was cutting tracks off and generally misbehaving. So I did the following: 1) Use Diskwarrior - heavy directory fragmentation which it fixed; 2) Use iDefrag - some fragmentation but it kept halting as it couldn't move files; 3) Try to write out drive with Disk Utility - got a warning from DU so gave up before I started; 4) Completely restored using iTunes; 5) Reran Diskwarrior - still heavy directory fragmentation; 6) Reran iDefrag, still fragmentation although limited to two bands; The iPod is much quicker to traverse menus and no more track skipping. My question is this - is defragging worth it or does the heat generated by the process kill the drive and make it a self-defeating process. Anyone have any metrics/ figures? Clearly it's a bad idea for solid state drives like the nano & touch.

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