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• Investigate high load on RHEL

  - by Adam Matan

  One of my RHEL 5 was showing high load (~4-5) on uptime. The load increased, and when it reached 6 (±), the server froze and needed restart. top-wise, the server had no significant CPU or memory issues and sar showed no increase in iowait. Therefore, the thrashing must have been related to other factors. Any ideas how to investigate this? In particular, how do I know that which processes are waiting in the queue?

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• Cross domain LDAP

  - by Adam

  For a system we are developing we have 2 domains an internal and an external domain with bi directional trust between them. However the servers are only able to connect to their own DC's. We have an application server on the internal domain which needs to use an LDAP query to gather a list of users from a group on the external domain. How do i go about writing an LDAP query that asks one DC to go ask another DC for a list of users. I tried querying the internal DC with the same LDAP query I would use if it could hit the external DC directly but this does not work. When i use Softerra LDAP Administraor I can view the full hierarchy of the interal domain but despite the trust relationship between domains i am unable to see any of the external doamin. Any suggestions or help would be greatly appreciated

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• GRANT SELECT to all tables in postgresql

  - by Adam Matan

  Hi, Is there a one-liner that grants the SELECT permissions to a new user postgresql? Something that would implement the following pseudo-code: GRANT SELECT ON TABLE * TO my_new_user;

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• Log internet requests made by vpn client

  - by Adam Schiavone

  How can I log the requests that people make to the internet when they are connected to my VPN? If one of them does something illegal, I need to be able to prove that it was not me, but a VPN client. This really is a just in case type thing. So, I want to be able to see the details (server, port, domain name, and time connected) in a file somewhere. Does windows offer this with its PPTP VPN service, or is there 3rd party software to do this (Free is better)? EDIT I have setup accounting, but that does not seem to tell me what I am looking for. Could someone comment on what accounting does? EDIT 2 Maybe I should heve been clearer. My system is running windows server 2008 r2 and using the stock VPN software (PPTP)

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• Thin virtual host

  - by Adam Ryczkowski

  My work setup relies on old Windows XP. Now, when Windows XP isn't supported by new hardware, it's getting harder and harder to buy a notebook on which Windows XP can run natively with all essential hardware (wireless cards, graphics, sound etc). Since I don't expect my personal setup to turn away from Windows XP any time soon, I'm investigating the following trick: why not buy any decent hardware which Linux can fully utilize, and use it as a virtual host for a guest session with e.g. Windows XP. I like using hibernation, so I prefer this Linux to be as thin as possible, only enough to support VirtualBox, KVM or any other virtualization software. Question: Are there any "standard" ways to do this, like Linux distributions aimed specifically on being light virtualization host?

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• "Path Not Found" when attempting to write to a sub folder within a mapped drive

  - by Adam

  We have an interesting issue with one of our server shares, or possibly, our Win 7 desktops. When our users try to save files in a sub folder, either via copy/paste or through an application, to a mapped drive on our DC they receive an error saying "Path not found". They can however browse this folder and open files from it. This is where the "Path Not Found" error doesn't seem to stack up in my opinion. Users can however save files fine in the root folder of the mapped drive, it appears only to affect sub folders. It seems to be random which users and machines this affects. The users can log on to a different machine and be able to save in sub folders fine, on the same mapped drive. Event viewer hasn't been much help either. Currently, the only solution we have found is to image the machines affected which solves the issue. Our servers are Server 2008 R2 with Win 7 Pro desktops. Any help/pointers/suggestions would greatly be appreciated.

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• OS X Hard drive recovery

  - by Adam

  I am trying to recover data from a bad Seagate 1TB hard drive in a 2010 iMac. One day the iMac wouldn't boot (stuck at gray screen on startup). I removed the hard drive from the iMac and connected it to a MacBook using a 3.5" HDD to USB adapter. The hard drive wouldn't mount but it did display in Disk Utility that that there were 2 partitions on the disk. I tried to run Disk Warrior and it showed thousands of errors but still wouldn't mount. At this time the hard drive only show one partition in Disk Utility. Next I tried putting the hard drive in a desktop PC and running Spin Rite - which then gave me several division overflow errors (even with running Spin Rite with a newer version of DOS). The SMART status on the drive reports that the drive has had failures and HD Tune referenced the drive had once hit 59 degrees celsius. Disk Utility gives me the following message when running a pair: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files. Overall, the hard drive spins up and sounds OK - there are no clicking noises but the hard drive won't mount and displays as a light gray "Macintosh HD" in disk utility. Any tips or advice on how to recover data on this drive would be GREATLY appreciated! Are there any other tools I can try before calling it quits on this drive? Thank you

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• Apache - setting up a subdomain

  - by Adam

  I'm having trouble getting a subdomain working for an Apache Linux Install. Following is what I've configured: DNS: connect.goneglobal.com. CNAME 54.251.35.112 Apache httpd.conf: <VirtualHost *:80> DocumentRoot /var/www/html/connect.goneglobal.com ServerName connect.goneglobal.com </VirtualHost> restart httpd - this ip is registered to this server - works for other sites on this apache. (first time I've tried a subdomain). Appears the issue is with DNS potentially and it doesn't seem to get to the site. Note: I have an index.php in the Documentroot. Note: there is an A record for goneglobal.com. which goes to a different hosting provider. thx

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• Enterprise desktop antivirus without a Windows server

  - by Adam

  Are there any desktop antivirus products suitable for use in an enterprise environment without a Windows server? We're currently using McAfee for our Windows desktops but to get updates and alerts with the latest version it looks like you need to be running their EPO server software. I'd like to avoid the cost of hardware and Windows licensing, and if possible to run just client-based antivirus. Ideally it would support: Updates from an internal copy of the definitions (e.g. a wget mirror) Automated configuration of the install Alerts from the client via email

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• Thin virtual host [migrated]

  - by Adam Ryczkowski

  My work setup relies on old Windows XP. Now, when Windows XP isn't supported by new hardware, it's getting harder and harder to buy a notebook on which Windows XP can run natively with all essential hardware (wireless cards, graphics, sound etc). Since I don't expect my personal setup to turn away from Windows XP any time soon, I'm investigating the following trick: why not buy any decent hardware which Linux can fully utilize, and use it as a virtual host for a guest session with e.g. Windows XP. I like using hibernation, so I prefer this Linux to be as thin as possible, only enough to support VirtualBox, KVM or any other virtualization software. Question: Are there any "standard" ways to do this, like Linux distributions aimed specifically on being light virtualization host?

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• Redundant Connection Issue

  - by Adam

  I'm trying to set up a redundant connection for our web hosting servers. I have a BGP-capable router connecting two lines from two separate ISP's, one fiber (primary), one DSL (failover). I've already confirmed that I can push routes into the DSL ISP's system, so long as they aren't malicious. My question is, what do I need to do on the fiber side to make those IP's routable through the DSL? Is there something I'm missing?

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• Creating a Network link between 2 buildings

  - by Adam

  Hey My company needs to create a network link between two buildings. Currently we have a cat5e network in one building and would like to connect some computers(about 15) in our second building to the main network in the first building. The distance between the two buildings is 30 metres. The 30 metres means going through a wall from the first building. Going through the car park and then through a wall into the other building. We can run any cables through speed ramps and so we do not need to dig up the road! Also the second building does not have an Internet connection and so we have to create some sort of cable link so that they can share our Internet connection. Ideas? Should we just run cat5e? Should we run fibre? Should we run coaxial?

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• Itunes control from the menu bar on OSX

  - by Adam Bronte

  I'm looking for a free app that will let me control itunes from the menu bar on OSX. Just simple controls, play, stop, pause, etc, doesn't have to be anything fancy.

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• Which ports are needed for NTLM (Windows Authentication) to connect to SQL Server?

  - by Adam Bellaire

  I've got SQL server running on a machine which is not in a domain, and which is not operating in mixed mode (it's running with "Windows Authentication"). I'm trying to connect to it from a Linux web server running freetds via TCP/IP, using NTLM to authenticate. The firewall on the SQL server is very restrictive. 1433 is open to my web server, but I'm getting conflicting information from the web on what additional ports (TCP/UDP) are needed for NTLM to succeed. It is currently fail; I can talk on 1433 to request NTLM, but the actual authentication always fails. One source says 137, 138, 139, but those are just the NetBIOS ports. Do I really need those? Another source says 135. Still others seem to say 1434... I can't make heads or tails of it. Dammit Jim, I'm a programmer, not a network administrator! EDIT: The exact error message: Msg 18452, Level 14, State 1, Server , Line 0 Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection. Msg 20002, Level 9, State -1, Server OpenClient, Line -1 Adaptive Server connection failed I am attempting to connect with a remote machine username, i.e. 'servername\username'. Some sources recommend that I set up mirrored accounts on the local and remote machines, but the local machine is running Linux, not IIS under Windows.

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• Connecting HDMI MediaCenter PC to Standard Def TV

  - by Adam

  I just purchased a ASRock ION 330-HT-BD to use as my new Media Center. Sadly I still have a crappy standard-def old tube TV for the foreseeable future. The TV has Coax & Composite (Red, White, Yellow) inputs, and my new MediaCenterr has HDMI & VGA outputs. So my question is, how do I hook up the two together! All of the HDMI-to-Composite cables I have found explicitly state that they can not be used to hook a PC up to a TV. Any ideas?

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• Simple, user friendly and strong file encryption in Windows

  - by Adam Matan

  I want a colleague of mine to send me a sensitive MS-Word document via e-mail. Since Word's encryption is questionable, I would like to encrypt the file using a passphrase. Do you know of any user-friendly encryption tool that a novice user can easily use? I wouldn't like to prompt for keys or anything like this - just provide simple interface for single file encryption. EDIT: I have solved this using Putty Secure Copy, through a Linux box I have somewhere. The user downloaded scp to the same directory where the file was, and I have send him the exact scp command by mail. Nice! Another Edit I have some additions (mainly the usage of winscp and perhaps virtual machines). My detailed answer appears below, as requested in comments.

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• Accessing localhost on IIS7 from another computer on the network

  - by Adam

  I recently upgraded computers to Windows 7 Professional and am running IIS7. When I'm on my computer I can easily access localhost through my web browser but when I try from another computer on my network (replacing localhost with my computer name) it doesn't work. I also tried using "computername.domain.com" and still no luck. I can access other computers running Windows XP and IIS 5 but I'm having no luck accessing my own from another computer. I checked and my IIS7 has anonymous users enabled. Am I missing any other setting? Is this an IIS7 thing or am I missing a setting? Thanks in advance!

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• Macbook Pro won't boot from DVD with SSD

  - by Adam Carr

  Here's the timeline of events. Had a running MBP 17 Early 2011 Thunderbolt with OWC Mercury Extreme Pro SSD 115GB drive. Installed Windows 7 via bootcamp. I have done this multiple times before and every time I need to format the bootcamp partition before installing. I think this time I actually deleted the partition and then selected the freespace to install. This worked fine for the most part but I wasn't able to boot the boot camp partition using vmware fusion. I gave up and used the boot camp assistant to revert back to one mac partition. I was getting some odd behavior so I rebooted the machine. It then came up with a message saying no bootable partiton. This made me think (and still does) that the windows install using the free space versus the boot camp partition caused the windows MBR boot loader to get installed incorrectly and mucked up the OS X installation. Ok, fine, I can just reinstall. I can't seem to boot from the original MBP installation DVD. I hold down c on boot but I never get past the all grey screen. I hear the DVD drive spin up but it eventually stops. I put the original HD back in it and everything works fine but when I put the SSD in, I can't boot from the DVD drive. I have already set up an RMA with OWC to send back the drive but considering the order of events, I feel as though it isn't a hardware issue but can't seem to figure out how to fix it. I can always send it back in but figured I would check and see if anyone could offer some guideance/assistence before doing so.

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• How do I kill CruiseControl?

  - by Adam Fraser

  I just went to run cruisecontrol only to find that it's already running when I thought it shut itself down. For some reason I can't find the pid for cruisecontrol with ps -e in order to use kill. How can I kill this?

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• Configure an Azure VM for Dynamic DNS for Cloud Services

  - by Adam

  I am trying to setup an azure VM with proper DNS to allow multiple cloud services to communicate across cloud service boundaries. As I understand it, I need to provide my own DNS server. I do not have any on-premise infrastructure, so I am trying to configure an Azure VM to act as my DNS. This SO question (http://stackoverflow.com/questions/21858926/azure-how-to-connect-one-cloud-service-with-other-in-one-virtual-network) is very similar to my setup. This article (http://msdn.microsoft.com/en-us/library/windowsazure/jj156088.aspx) describes my particular case: Name resolution between virtual machines and role instances located in the same virtual network, but different cloud services Here is what I have done: Created Azure Virtual Network and declared subnets for each of my cloud services. Created an Azure VM (Windows 2012 R2) with DNS enabled RDP to the VM and enabled the DNS role and installed features Added the appropriate NetworkConfiguration xml section to each of my cloud services .csfg files Re-deployed my cloud services I have verified that I setup the virtual network and networkconfiguration properly because my cloud service hosts are able to communicate with each other if I use the internal ips. However, name resolution doesn't appear to be working, and it doesn't appear that my cloud service roles can communicate with my DNS server. How do I configure my VM so that my different cloud services roles register themselves with my DNS server? EDIT: I think I am 1 step closer to getting this to work. The cloud services that I was using are in an old affinity group which is not supported by VMs, so I was unable to add my VM into my virtual network. I created a new VNET in a new affinity group with my VM added into it. However, I still don't know how to configure the azure VM's DNS server so that the cloud services register themselves for name resolution. Also, an added bonus guaranteed to get a +1 would be to explain if it is possible to register a DNS entry for the VIP for an internal endpoint of my cloud services so we can get load balancing. Thanks!

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• Unable to connect to MSN network with Adium

  - by Adam Driscoll

  I'm new to the Mac world and tried both MSN Messenger for Mac (7.0 and 8.0 beta) as well as Adium to connect to the Windows network. I've enable 'Allow all incoming connections' in the Firewall settings. Windows Live Messenger works fine when connecting through the same router on my Windows laptop. I've triple checked my password and verified it through a web browser and Windows Live. Any ideas what my issue could be?

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• Changing Network Path of Offline Files

  - by Adam

  Many of our users have their Home folder set as Available Offline. Their Windows 7 laptops will not be back on our network for a few weeks. In the mean time, we're setting up new servers and reorganizing our files, so the network path to the Home folder is going to be completely different. Based on some testing I did, when the users return, any files they've created or modified while offline will be gone, and the new Home folder will be there and not set to sync. The offline cache of the old Home folder is still accessible through the Sync Center, but they're not going to want to dig through that and try to find what's missing. Avoiding this would involve keeping the old server around and moving everyone to the new location in person, so we know for sure they're synced first. Is there any way to avoid this that isn't as tedious, like a quick registry edit or something that will point the old offline cache to the new location?

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• Hyper-V Cluster with failover - NETWORKING

  - by Adam

  Hi We are looking to setup a 3 node Hyper-V cluster with live migration and failover using: 3 x Dell R710's with dual quad core Xeon & 128 GB RAM & 6 NICs in each 1 x Dell MD 3220i SAN We will be running this setup from a data center and so co-locating our kit. Can anybody explain how we should setup the network connections to make the system redundant? We have looked into this great article but are not sure how to get a 3 server setup correctly and reliably: http://faultbucket.ca/2011/01/hyper-v-failover-cluster-setup/. I believe we need network connections for: live migration, heartbeat, management, hyper-v etc. I assume as we are running it from a DC all IPs will have to be public IPs? Are AD servers will be VMs. One on each Hyper-V server and setup not to be HA.

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• Configure IE to use MS Word Viewer as .doc viewer on Citrix server with Office installed

  - by Adam Towne

  We have a small number of citrix servers that all have office installed. Only a small subset of users have access to office. Everyone is set to open office documents with the free viewers on the Citrix servers. We control access to office through NTFS permissions. We now have a large number of users who need to be able to view office documents from a webpage. Opening office files normally works fine. When users open the office documents from the link in a webpage, it ignores the file associations and attempts to open the document with the full office program. How can I change the program that IE uses to open office documents, or how can I force it to use the file associations I set in the operating system?

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• Customer Passenger Error Pages

  - by Adam

  How do you replace the Passenger Application failed to load error messages. They are lovely, but I'd rather not display them when we move our application to production. It'd be better to just show them on the dev box and maintenance page on the live site. For clarification, this is the call stack page passenger displays when your rails app fails to load. I'd rather not modify the passenger template files directly. Passenger doesn't seem to be respecting: ErrorDocument 500 /500.html

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