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• Logon script in Active Directory

  - by tareq838

  I am having a weird intermittent issue for only some users. I have a logon script that maps shared drives and issues a diisclaimer everytime the user logs on to a machine. The problem lately is that the logon script will not run for the user so we get a help desk call. When one of the help desk techs log on to the machine the script then comes up. The tech then logs off and the user will log back in and they will get the logon script. I am at wits end with this issue. Any help would be appreciated. It has happend on both Windows XP and Vista 64.

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• Smoothwall Express interface issues

  - by Timbermar

  I have a SmoothWall Express box that is currently configured with a Green and Purple interface. Both interfaces are in the same /24 subnet (which seems odd to me). The green interface (address of .254) has a DHCP server that is pushing addresses from .1 to .100 and the purple interface (.253) is pushing addresses from .101 to .120. Every machine here is trusted, and as such is connected to the green interface via a wired connection or wireless APs. Nothing is connected at all (port is physically empty, traffic graphs show no activity) to the purple interface. However, every machine here is pulling addresses from the purple interface. So the question boils down to, how do I remove/stop my machines from pulling from the purple dhcp interface? Also, shouldn't the purple interface (if we were using it for guest Wifi or something) be on a different subnet (i.e. 192.168.100.0/24 instead of 192.168.1.0/24 with all the trusted machines)?

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• Baseline / Benchmark Physical and virtual server performance

  - by EyeonTech

  I am setting up a new server and there are some options. I want to perform some benchmarks and I need your help in determining the best tools and if possible run pre-configured benchmarks designed for SQL servers on Windows Server 2008/2012. Step 1. Run a performance monitor on the current Live SQL server (Windows Server 2008 Virtual machine running on ESXi. New server Hardware rundown: Intel® Server System R1304BTLSHBN - 1U Rack, LGA1155 http://ark.intel.com/products/53559/Intel-Server-System-R1304BTLSHBN Intel Xeon E3-1270V2 2x Intel SSD 330 Series 240GB 2.5in SATA 6Gb/s 25nm 1x WD 2TB WD2002FAEX 2TB 64M SATA3 CAVIAR BLACK 4x 8GB 1333MHz DDR3 ECC CL9 DIMM There are several options for configurations and I want to benchmark some of them and share the results. Option 1. Configure 2x SSDs at RAID 0. Install Windows Server 2008 directly to the 2TB WD Caviar HDD. Store Database files on the RAID 0 Volume. Benchmark the OS direct on the hardware as an SQL Server. Store SQL Backup databases on the 2TB WD Caviar HDD. Option 2. Configure 2x SSDs at RAID 0. Install Windows Server 2012 directly to the 2TB WD Caviar HDD. Install Hyper-V. Install the SQL Server (Server 2008) as a virtual machine. Store the Virtual Hard Disks on the SSDs. Option 3. Configure 2x SSDs at RAID 0. Install VMWare ESXi on a partition of the 2TB WD Caviar HDD. Install the SQL Server (Server 2008) as a virtual machine. Store the Virtual Hard Disks on the SSDs. I have a few tools in mind from http://technet.microsoft.com/en-us/library/cc768530(v=bts.10).aspx. Any tools with pre-configured test would be fantastic. Specifically if there are pre-configured perfmon sets avaliable. Any opinions on the setup to gain the best results is welcome. Thanks in advance.

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• Need Recommendations: Network Software and Hardware Setup for small firm

  - by Rogue

  Will be starting a small graphics design firm soon, with 20 employees. Therefore need software to manage the network. Have bought a bulk license of Windows 7. I have a spare computer which can act as a server if necessary, but its an ancient Dell machine (Pentium-III). If required I would purchase an extra machine, but would like to avoid unnecessary costs at start up. Following are the main functions that I would like to perform: Need to monitor\control network traffic and internet usage, restrict access to certain websites Alerts when access to certain software's, and when trying to tamper with privileges Ability to view desktops of any computer at any given time Limit access to certain hardware like USB ports,etc Limit access to folders on the computer Log/Report of all actions including keystrokes performed on any computer Local Network chat and talk client Collaboration and Work logs Any Software available to do all of the above and also any additional hardware required besides network switches, network card's and CAT5e cables. Any other recommendations besides the above mentioned hardware setup

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• Create private key with CSR

  - by Daniel Schlieckmann

  I have a CSR file (as a text file) and the corresponding P7B certificate. My problem is that I have to create a P12 file on a machine where I do not have created the CSR. I have created the CSR in Firefox Key Manager. Before, I imported the P7B file into certificate store in msc, then exported a CER-file, imported it in Key Manager and then exported the P12 file. This doesn't work anymore because I have another machine now. If I try to import the CER file created by msc, Key Manager says that there is no private key. Is there a possibility to create a private key?

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• Hardware compatibility on H97 chipset/hardware support

  - by user3238850

  I am aware that there is documentation about compatibility but it is way out dated. I am also aware that there is a hardware compatibility page on Ubuntu website, but that one is focused on the whole box rather than a single piece of hardware. I have some experience with Linux OS, and some experience playing Ubuntu Server in a virtual machine, but never worked on a machine that lives in the real internet. I am building a home server with an Intel H97 chipset motherboard. I have looked at several models and none of them has Linux in the supported OS category. I have the experience of installing Ubuntu Desktop 14.04 on my 4-years-old lap top, and except for some system errors on start up, there is not too much I can complain about, so I guess I should be fine. However, this time I am going to install Ubuntu Server 14.04 on a relatively new piece of hardware(I went to http://linux-drivers.org/ but found nothing really helpful). For example the ASUS motherboard has M.2 socket and Intel LAN I218V chip, the Gigabyte motherboard has two LAN chips(Intel LAN WGI217V and ATHEROS AR8161-BL3A-R). So I really want to make sure everything will work. Usually I would just trust Ubuntu and buy all hardware I need, but basing on my past experience with the Ubuntu Desktop version on my lap top, I am not so convinced. There is an easily noticeable difference: when the system is idle, the fan runs much more frequently and longer under Ubuntu. This leads to my suspicion that generally hardware will have worse support for Ubuntu, which is no surprising at all but enough for me to put this post here. And as far as I know, some Intel CPU features come with software that usually will not run under Linux. Any help, idea or thoughts would be greatly appreciated!

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• XenServer VM's lose network settings

  - by Ash

  We deploy virtual machines using Citrix XenServer 6.0 for our clients. Two seperate clients experience the same issue: when a Server 2008 virtual machine is restarted, the static IP addresses (network address, subnet, gateway, primary DNS) don't appear to apply correctly as the IP's cannot be pinged, network services cannot be accessed etc. The issue is resolved by manually switching the network adapters to DHCP, then re-setting them to the original static IP's. While not a major issue, it's a pain when restarting servers due to Windows Updates, plus iSCSI drives need to be manually connected to Windows again via iSCSI Initiator. We have tried removed the network adapters from the virtual machine under XenCentre but without luck. Anyone experienced similar issues?

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• SSL FTP fails on Windows 7 but not Windows XP clients

  - by Andrew Neely

  We currently use a free SSL-FTP client called Move-It-Freely to transmit data from a custom data entry program at over forty facilities scattered around the state to our central server. Under XP, it works flawlessly. Some facilities have upgraded to Windows 7. On these machines, uploads (transfers to us) work, downloads (transfers from us to them) fail. Replacing the Windows 7 machine with an XP machine solves the problem. We have also verified that the network firewall settings have not changed. This problem persists even if Windows firewall is not running. We were able to remote into one of the Windows 7 machines to verify that the Windows firewall was indeed turned off. We cannot replicate the problem on our own Windows 7 machines, and are at a loss of how to fix this feature for our customers. The data contain health-related information, and needs to be encrypted (hence SSL-FTP.) Despite hours spent on Google, we cannot find a solution.

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• What is the correct way to restart udev in Ubuntu?

  - by zerkms

  I've changed the name of my eth1 interface to eth0. How to ask udev now to re-read the config? service udev restart and udevadm control --reload-rules don't help. So is there any valid way except of rebooting? (yes, reboot helps with this issue) UPD: yes, I know I should prepend the commands with sudo, but either one I posted above changes nothing in ifconfig -a output: I still see eth1, not eth0. UPD 2: I just changed the NAME property of udev-rule line. Don't know any reason for this to be ineffective. There is no any error in executing of both commands I've posted above, but they just don't change actual interface name in ifconfig -a output. If I perform reboot - then interface name changes as expected. UPD 3: let I explain all the case better ;-) For development purposes I write some script that clones virtual machines (VirtualBox-driven) and pre-sets them up in some way. So I perform a command to clone VM, start it and as long as network interface MAC is changed - udev adds the second rule to network persistent rules. Right after machine is booted for the first time there are 2 rules: eth0, which does not exist, as long as it existed in the original VM image MAC eth1, which exists, but all the configuration in all files refers to eth0, so it is not that good for me So I with sed delete the line with eth0 (it is obsolete and useless in cloned image) and replace eth1 with eth0. So currently I have valid persistent rule, but there is still eth1 in /dev. The issue: I don't want to reboot the machine (it will take another time, which is not good thing on building-VM-stage) and just want to have my /dev rebuilt with some command so I have ready-to-use VM without any reboots.

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• Preparing Automatic Repair appears out of nowhere & takes forever?

  - by Jörg B.

  I shutdown my work machine (Windows 8.1 Pro) without any errors appearing (and without installing any new software and especially no new drivers the last couple days) yesterday evening, turned it on this morning and it automatically started into 'Preparing Automatic Repair' mode. 1st of - is there any way to get more information WHY this is appearing out of the blue and.. 2ndly, how long is this usually supposed to take? This is a rather beefy machine (Intel 3770k / 4 core 3.9ghz, Intel SSDs only and 32 gb of ram) but this screen has been 'loading' for almost 1.5 hours now. Is there any sort of debug/verbose mode that would give me ANY indication what's going on?

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• Can KVM CPU assignment count differ from physical hosts CPU count?

  - by javano

  I have read this question. I knew already that I could for example, have a quad core machine with four guests each having two vCPUs. As they don't all be require 100% CPU usage all the time, the scheduler would handle this for me. My question is about how this relates to a fail-over or migration situation; If host1 has two dual-core CPUs, and I assign guest1 four vCPUs (so it accessed all four physical cores), what will happen if I try and migrate it to host2 which only has one dual-core CPU? Can qemu-kvm emulate more vCPUs than there are physical? Or would I have to shut down the virtual machine, change the CPU assignment, migrate it, and then boot it back up (so no live migration)? Many thanks.

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• Sharing internet connection over VPN in Windows XP

  - by Nigel Hawthorne

  How can I share my internet connection with VPN clients using the Windows XP built-in VPN server? I want to be able to use my home internet connection (on an XP machine) from my anywhere using my laptop (Windows 7 machine). The built-in VPN server in XP and the VPN client in Windows 7 seem to do a great job of giving me access to both machines securely over the internet, but I cannot find a way to use ICS in conjunction with the incoming connection to give access to my home internet connection to my laptop remotely. Is there a way to do this? or is there an alternative VPN server software that is not limited to only local access?

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• RAM caching causes severe performance drops

  - by B T

  I have read plenty of threads on memory caching and the standard response of "large cache is good, it shouldn't effect performance", "the kernel knows best". I have recently upgraded from 12.04 to 12.10 and changed from VirtualBox to VMware Workstation and the performance differences are severe (I suspect it is because of the latter). When I am running my virtual machine the system load monitor graph shows less than 50% memory usage generally. System load indicator is showing me that the rest of my RAM is used in the cache all the time. Plain and simple this is the comparison: BEFORE Cache was very sparingly used, pretty much none of my memory usage was the cache Swappiness was 0 (caused my memory to be used first, then swap only if needed) Performance was quite good and logical RAM was used fully first, caching was minimal. I could run enough software to utilize my full 4GB of RAM without any performance degradation whatsoever Swap space was then used as needed which was obviously slower (I am on a HDD) but was still usable when the current program was loaded into memory AFTER Cache is used to fill the full 4GB as soon as my virtual machine is run Swappiness is 0 (same behaviour as before but cache uses full memory straight away) Performance is terrible and unusable while running Ubuntu software Basic things like changing windows takes 2 minutes + Changing screens happens frame by frame over sometimes up to 5 minutes Cannot run an IDE and VM like I could with ease before So basically, any suggestions on how to take my performance back to how it was before while keeping my current setup? My suspicion is VMWare is the problem, but how do I see what is tied to the use of the cache? Surely there is a way to control this behaviour in software as polished as VMware? Thanks EDIT: Could also be important to note that the behaviour differs depending on whether VMware is open or closed. If VMware is open, then the ram will lock at like 50% and 50% cache and go into the complete lock up mentioned above. Contrastingly, if VMware is closed (after being open), then the RAM will continue to rise as it needs / cache will stay as the complete remaining memory and there is no noticeable performance degradation.

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• Network architecture when using Rackspace's Cloud

  - by brianz

  I'm planning on launching a web application soon, and have decided on using Rackspace's Cloud offering with Debian. I'm not expecting that much traffic to start, but would rather get the architecture correct now even with the small VPSs. The thing I'm not quite sure about is how many VPSs I should get. At a minimum, I know I'll want three VPSs: Two Apache webservers One server for MySQL I'd also like: Nginx load balancer MySQL replication memcached I'm not sure where those last three processes should be running. Can the load balancer run on the same machine as the MySQL slave, or should they each run on their own machine? Does memcached run alongside the webservers or on different machines?

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• Parallels 5: upgrade from Vista to Win 7: annoying deadlock

  - by nobody

  What I have: Parallels 5, Vista installed. Trying to upgrade to Win 7. I have the Win7 .iso mounted as a DVD to my virtual machine. When I start the machine from this DVD, and attempt the upgrade, I'm told (paraphrased) "You booted from DVD. Don't do this. Reboot, then insert the DVD, commence the upgrade from there." But when I try that, the upgrade keeps failing because "There is not enough disk space". I've proven this is a red herring of an error message; the real problem is the installer can't find -any- disk drives. When I instead choose the "Advanced" install, and I am prompted to choose the disk drive, there aren't any to choose from. How do unblock this deadlock?

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• Firefox 4 is displaying all text as "bold"

  - by Mateo

  I installed Firefox 4 this morning excited to checkout some of the new HTML 5 features that have been implemented and found that all text was displayed in a bold font. Here is the comparison with what Firefox 4 is displaying on my machine and Chrome. It is getting really annoying. So far I've... Emptied the cache/history/etc. Re-installed the various core fonts (Arial, Courier, Times New Roman, etc.) Checked the font defaults in FF4. The interesting part to me is that I had FF3.6x on this machine with no problems whatsoever and now this. Any ideas? System Description Windows 7 (x64) Update I just found out that this is happening in IE9 (final) as well. Must be something with the system fonts. Like I said before, this wasn't happening pre-FF4.

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• KVM switching on the cheap

  - by Stuart Hemming

  I have a machine at home for my personal use. I also have a machine for work. I have a pair of DVI monitors. An ideal set up for a KVM switch. Sadly the cheapest switch I can find that will switch 2 DVI monitors is nearly £300. However, I can get, for just £40, a switch for a single monitor. Is there any reason why I couldn't employ 2 of these much cheaper switches? My thought was to have the keyboard, mouse and one of the monitors in one switch and just the 2nd monitor in the 2nd switch. Logically, I can't think of a reason why this wouldn't work, but I have no real background to be able to say, definatively, whether or not it would. It it makes any difference, both machines are running Win7. Appreciate any thoughts. -- Stuart

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• VPN or Remote Access?

  - by Craig Johnston

  In what circumstances would you setup a VPN instead of just allowing Remote Desktop to a machine in a network?

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• How to get hp printer to select correct trays on samba shared printer

  - by dgermann

  My first post here. Clean install of 12.04.1. Previously 10.04. Have been running a p2035n printer without problem. Now, no matter what paper tray I select it prints to the top "by-pass" feeder--not the lower main tray. And when I select to print to manual feed, it does not wait for me to put in paper (like it used to), but prints immediately. The printer is on a samba share and is physically plugged into a WinXP machine. Its uri is smb:///computername/p2035n. I have tried several of the offered drivers for this hp machine, and even tried generic-laser. Same result on all. Here are some other things I have tried (losing 2-3 hours of my time!): hp-check -t reports “error: User needs to be member of group 'lp' to enable print, scan & fax. ” and “warning: Printer is not HPLIP installed. Printers must use the hp: or hpfax: CUPS backend to function in HPLIP.” needed to download HPLIP 3.12.11 followed http://hplipopensource.com/hplip-web/install/install/index.html sh hplip-3.12.11-run says that before setup logout and then on login run hp-setup hp-setup could not find the printer ran hp-check -t again, found I was not in group lp ran hp-check --fix and it fixed that problem, asks for reboot rebooted after running update manager (new kernel) and hp-check -t shows no errors this time all the tray selections end up on the bypass tray hp-setup still cannot find the printer So is there a way to make this work? Thanks! :- Doug.

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• Hyper-V 2012 and P2000 SAS SAN

  - by user155950

  Hi I am having major problems setting up a Hyper-V 2012 cluster on a P2000 SAS SAN. Running System Center VMM 2012 SP1 I am unable to see any storage to create my cluster. Has anyone had experienced anything similar? Under fabric and storage I can't add the P2000, all I can do is use storage spaces in server manager to create a storage pool and virtual disk. This allows me to create a file share which I can add to VMM but I still can't see any disk to create a cluster. I am just about at the point where I want to tear my hair out wipe the servers and stick VMware on them because I know it works as I have set several systems up like this in the past. The Hyper-V servers can see the storage and in server manager on my management machine it seems to know both servers can see the same disk. VMM is running on the same machine and it can't see any disk. Help..... Thanks Mike

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• RAID across SAS controller ports

  - by BlueGene

  Hi, I'm managing a HP DL360 G5 machine. It has a SAS controller with two ports. Port 1 is attached to 4 drive bays and Port 2 has 2 bays. The machine currently has 3 drives connected to Port 1 with RAID 5 configuration. I'm trying to max out the bays by adding 1 disk in port 1 and 2 in port 2. Can I group those three disks(1 disk-port, 2 disks-port 2) in a RAID 5 configuration?

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• MacBook Pro - 72k vs 54k rpm drives - Heat and Noise

  - by webworm

  I am looking at a new 15" MacBook Pro for development purposes. I am planning to run a Virtual Machine for about 50% of my work (Windows 7 x64, IIS, SQL Server, and VS 2010). The upgrade from a 54000 rpm drive to a 72000 rpm is only $45. From what I understand the faster rotational speed of the 72000 rpm drive will help virtual machine performance. However, I am concerned that additional heat and fan noise might be an issue. I will be running mostly on A/C power so decreased battery life is not a major concern for me. Since I would be running with a Core i7 processor which gives off a fair amount of heat already I was wondering if it might be best to stay at 54000 rpm for the hard drive. What do you all think? Thanks!

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• Best way to keep configuration for server reinstallation?

  - by Gunnar

  I have a server at home running Ubuntu 12.04 which has grown messy over the years. I have fiddled with various packages, desktop environments (for VNC) etc. and I would like to reinstall it to start again, and have better control over what goes into the box. But I want to keep much of the configurations after reinstallation, like LVM configuration, apache2, samba, etc etc. There would ideally exist a program which could analyze /etc, installed packages and such, store the information, and selectively put it back into the new installation. I am even considering installing Ubuntu server on a virtual machine, just to be able to compare the contents of /etc with a clean installation, and even perform a migration to the virtual machine first, to verify that the transfer process works. How do one go about performing this kind of reinstallation? Have anyone seen any resources on the net on the topic?

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• unable to access shared drives n win7

  - by colin

  OK, this is doing my head in. Not your usual Win7 sharing problem. Just built a win 7 comp to go onto my home lan and be accessed by all on the network, mostly running XP SP3. Installed it as a single HD+DVD system, got it happy, then added my storage drives, set them up in the right order and letters, rebooted, and shared them. Couldn't access the computer at all from any XP machine. Set the pasword thingy in win7 to NO, and now I can "see" all four shared drives from any machine, but can access only two of them. Please tell me whats going on as I've done nothing different from one drive to the other, just installed and set up drive letters as normal, then shared the damn things. The odd thing about it? the two 1.5T drives that have a lot of data on board are accessable, the two nearly empty 500G ones are not. ANY ideas? Cheers, Colin

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• Amazon EC2, fastest way to get a node into an existing cluster

  - by imaginative

  I'm new to Amazon AWS. A lot of the time I hear about people folks spawning instances and almost instantly putting them behind a load balancer and into an existing cluster. In the traditional world of managed machines, this would include provisioning hardware, installing an OS, configuring the network on the machine and once the network is available, use a tool of your choice such as CFengine, Puppet or Chef to bootstrap the machine based on its class. It seems like there are "shortcuts" that are able to get a server of a particular class up and running in Amazon EC2. If I have a particular stack running on my server, such as erlang, tomcat6 etc.. what's the fastest way to get these up and running and hooked into Amazon's load balancer? From network, to software stack to kernel tuning? Is it a combination of creating an AMI then running a tool like Puppet against the new instance? Any idea

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