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• How to reset Administrator password Windows Server 2003 installed on Vmware?

  - by Cucumber

  I want to reset administrator password on Windows Server 2003. OS installed on VMware server VMware Server version 2.0.1. And problem is this: when i try to boot from live cd, after boot disk with Windows not detected. I tried to use Windows Admin Hack - Linux Boot; Hirens.BootCD.10.4; ophcrack-xp-livecd-2.3.1.iso None of these programs did not see the hard drive! Any ideas? Thank! ADD: I want to reset LOCAL admin password, not domain. And this computer are not domain controller.

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• Upgraded from fc10 to fc12 now I have eth0_rename, how do I get back to plain old eth0?

  - by shank

  I upgraded from Fedora 10 to Fedora 12. Unfortunately, my ethernet interface eth0 is now named eth0_rename. I'd like to get back to having it named plain old eth0. I googled a bit but the solution of removing the eth0 entry from /etc/udev/rules.d/70-persistent-net.rules seems to have no effect (I restarted the network service but didn't reboot). The interface works just fine although I could see a script or two having a problem with the format. So, it's more of an inconvenience thing than anything else. Any ideas? Thanks.

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• Can't create a valid symlink under VMWare HGFS

  - by Alexander Gladysh

  Host: OS X 10.6.5 VMWare Fusion: 3.1.2 Guest: Ubuntu x86 10.10 $ uname -a Linux ubuntu 2.6.35-24-generic #42-Ubuntu SMP Thu Dec 2 01:41:57 UTC 2010 i686 GNU/Linux I can not create a symlink, readable from the Guest OS anywhere in the directory, mounted with hgfs: /mnt/hgfs/projects/tmp$ touch aaa /mnt/hgfs/projects/tmp$ ln -s aaa bbb /mnt/hgfs/projects/tmp$ less bbb bbb: No such file or directory /mnt/hgfs/projects/tmp$ ls -la total 6 drwxr-xr-x 1 501 users 136 2010-12-28 18:12 . drwxr-xr-x 1 501 users 8602 2010-12-28 18:12 .. -rw-r--r-- 1 501 users 0 2010-12-28 18:12 aaa lrwxr-xr-x 1 501 users 3 2010-12-28 18:12 bbb - aaa /mnt/hgfs/projects/tmp$ readlink bbb aaa The same symlink is perfectly accessible in OS X host. Is there a workaround for this?

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• Excel: ROUND & MOD giving me strange DATE results

  - by Mike

  This is sort of related to a previous question. My formula, which seemed to work fine yesterday now gives strange results. Today is the 30th of March (30/03/10). It's 10:11am on the clock that the computer is using for the time stamp in the NOW() part of my worksheet. Below is the formula and a screen shot of the results/columns. QUESTION: Why ddoes it show 1/2 day, and also where does 23 1/2 come from? The NOW() is in a hidden column (F2)...which I forgot to unhide before I took the screen shot. =IF(ISBLANK(I2),ROUND(MOD(H2-F2,24),2),ROUND(MOD(I2-F2,24),2)) Thanks Mike

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• Safari MAC proxy bypass for IPv6

  - by rhi

  I'm a first-time n00b on Mac ; (but have been doing computers since before PC's). This Mac has 2 VLANs, vlan0 in IPv4, vlan1 in IPv6. Safari can surf via IPv4 squid proxy OK. Safari can surf via IPv6 natively, if I switch off the proxy, OK. How do I set up the Settings - Network - Interface - Advanced - Proxies to "bypass" IPv6 ? Current Settings include variations along the lines of ... "*.local, 10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12 , ::, ipv6 " but don't work as expected. I want Safari to go out on its own with IPv6, not crash at the proxy with "malformed URL" Thanks, //rhi

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• Drobo not mounting. Disk repair doesn't work either.

  - by kohei

  Hi, While transferring data to my 2nd gen Drobo power went out. Now my Drobo is not mounting to my OS X 10.6.3 I have tried Disk Repair and this error message appears: Verify and Repair volume “disk1s2” Checking Journaled HFS Plus volume. Invalid key length Invalid record count Catalog file entry not found for extent The volume could not be verified completely. Volume repair complete.Updating boot support partitions for the volume as required.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. I tried DiskWarrior too but it doesn't work either. It gives me that I need more memory to continue and software shuts down. Any one know solution to this one?

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• If fiber runs 1gig fine, are there any concerns when considering upgrading to 10gig transceivers?

  - by Eric

  We had fiber installed (connecting ~10 buildings) around 5 years ago and it has been working great. The initial setup involved Procurve 2848 and 2824 switches w/ 1gig transceivers. However, lately we have been considering upgrading our network both to increase bandwidth and possibly add VOIP. However, a lot of this is assuming that we can just use pop the existing fiber into 10gig XFP transceivers in better switches and call it a day. If the fiber works fine at 1G does that mean it should be fine for 10gig? If not, how can we confirm that our existing fiber trunks will work, preferably in an affordable fashion?

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• VMXNET3 nic loses the ability to update ARP table after N hours

  - by Peter

  I have a fedora 18 VM that stops updating the arp table on eth1 after running for a number of hours to days. There are other VMs on the same hypervisor that can access all of the same networks without issue. A tcpdump of the offending NIC shows only ARP broadcasts but no responses. None of the other VMs on the vDS see the ARP broadcasts from the offending NIC. The only way I can currently solve the problem is to reboot the VM and then everything works for a while. I've tried changing the port on the vDS and even flipping the network configurations after I lose eth1's ARP table, but the ARP problem follows eth1 but I can access the machines that were originally on eth1. If I statically add the arp entries for machines on the same subnet I have no problems with connectivity. The Hypervisor is an HP BL49X series with flex-10 network modules. Has anyone seen anything like this before?

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• Nginx reverse proxy apache2 High CPU load

  - by chillah

  my server: 2x Intel Xeon 5506 2.13GHz 24 GB DDR3 RAM Debian 5.0.8 64-bit My server CPU is aroung 90% at 600 users and around 6 page views per second. There are 2 Sites on the server. One Forum with low visitors and a Wordpress page. My Apache configurations: MaxKeepAliveRequests 100 KeepAliveTimeout 15 ServerLimit 500 <IfModule mpm_prefork_module> StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxClients 250 MaxRequestsPerChild 1000 </IfModule> <IfModule mpm_worker_module> StartServers 2 MaxClients 250 MinSpareThreads 25 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule> <IfModule mpm_worker_module> StartServers 2 MaxClients 250 MinSpareThreads 25 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule> <IfModule mpm_event_module> StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadLimit 64 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule>

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• Context Menu (Right Click) keyboard shortcut in Mac OS X

  - by czerwin

  Is it really possible to invoke a context menu using a keyboard shortcut instead of clicking the right/alt mouse button in OS X? In particular, I would like a menu-key-like feature in OS X. I am wondering whether there is an additional third party software that provides such feature. Please not that the Mouse Keys feature is not an option as I don't want to depend on the position of the mouse cursor. Similar Topics Keyboard Shortcut to Right Click in Mac OS X Right click using keyboard in Mac OS X Enable Right-Click on Mac OS X 10.7.5 by default Keyboard shortcut for spelling dropdown menu in OS X beyond Devonthink Pro? Add application to right click context menu on Mac OS X

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• Puppet nodes cant' find master, ec2 public versus internal ip addresses and hosts files

  - by Blankman

  If I setup my hosts files such that they reference all other ec2 nodes using the internal ip addresses, will this work or do I have to use the external ip addresses? Do I need to specify anything in my security group to get internal ip addresses to work? e.g. /etc/hosts ip-10-11-12-13.internal some_node_name If I do this, can I reference some_node_name anywhere in my scripts where I would have used the ip address previously? On my puppet agent servers, I have a reference to my puppet master like: public-ip-here puppet When I reboot my puppet agent's, syslog shows they couldn't find the master with the message: getaddinfo : name or service not known I did get it to work by updating /etc/default/puppet and I added to the options: --server=public-ip-here From what I read, puppet will by default try using 'puppet', and I set this in my hosts file so why wouldn't it be picking this up?

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• Why does a website server recieve local files much slower than recieve files on other websites?

  - by T...

  The server at http://any2djvu.djvuzone.org receives same files from local computers much slower than from links on other websites (with the same files have been uploaded to the other websites, such as dropbox.com). The speed of uploading a file from local computers to other websites such as dropbox is also much faster than to any2djvu website. For example, a pdf file of 17MB needs more than 1 min to be uploaded to any2djvu server from a local computer with normal ISP such as Comcast High-speed internet, but takes less than 3 seconds from a dropbox link to any2djvu server, and takes around 10 seconds from the same local computer to dropbox. I wonder why there is such big differences for the speeds of different uploading ways to a web server? Thanks!

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• Fedora14 serial console how-to needed

  - by lamba2

  Has anyone ever got a serial console working in fedora 14 ? Is it as simple as adding to grub: serial --unit=0 --speed=38400 terminal --timeout=10 serial console and add to the kernel lines: console=tty0 console=ttyS0,38400 ??? If so, this isn't working for me. I have agetty installed, and im using minicom, although i've heard you can also use "screen /dev/ttyUSB0" on the client side. The /etc/init/serial.conf file suggests it should be working, but nothing. Currently getting no joy from any of this after 2 days. Does anyone know a method that definitely works on fedora 14 ? (no /etc/event.d/ needed or such) edit: Client side im using a null modem cable and usb-serial adaptor.

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• media player or dj software

  - by Dale

  Been searching for quite some time for a player that will cross fade correctly. What I mean by that, most players have the ability to start fading with a given time left of the song (ex:10 secs) While at times that can be fine, but is there software or a plugin for software that can tell the difference between a song that fades out, or a song that has a cold ending? So far the best one out there that I have tested is PCDJ, but I am sure there has to be something that can distinguish between endings of songs. Should add...this is for windows. Running vista Thanks in advance

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• Separating user resources - Windows Server 2008 (Terminal Server)

  - by Christopher Wilson

  At the moment I am running a Windows Terminal Server 2008 for around 10 clients that use the server to run programs and access data. Is there anyway to separate the resources of each user so that they do not impact each other in terms of resources. User 1: Opens program User 2: Notices slow down I have looked into using Windows System Resource Manager but do not know if it provides what I need and if there are any other 3rd party tools that also provide this functionality. Any answer is appreciated. Server Specs: HP ProLiant ML110 G7 Processor: Intel® Xeon® E3-1220 (4 core, 3.1 GHz, 8MB, 80W, 1333/t) RAM: 12GB DDR3 ECC 1TB HDD

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• Remove context menu items

  - by velvetkevorkian

  When I right click on a file and select open with, there are a bunch of irrelevant entries that I will never use. A lot of them are bits of the OS (e.g. Core Image Funhouse.app on image files) or at best dubious (I doubt I will ever want to open a .txt using Illustrator). Is there any way to remove items from the Open With menu? This is on OSX Lion 10.7.5. The only questions I could find related to this were about uninstalled programs remaining in the context menu. Thanks!

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• ubuntu server slowly filling up

  - by Crash893

  We had our samba server (ubuntu 8.04 ltr) share fill up the other day but when I went to look at it I cant see any of the shares have to much on them we have 5 group shares and then each users has an individual share one users has 22gigs of stuff a few others have 10-20mb of stuff and everyone else is empty so maybe like 26gigs total I deleted a few files yesterday and freed up about 250mb of space today when i checked it it was completely full again and i deleted some older files and freed up about 170mb of stuff but i can watch it slowly creep down in free space. I keep running a df -h Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 241690180 229340500 169200 100% / varrun 257632 260 257372 1% /var/run varlock 257632 0 257632 0% /var/lock udev 257632 72 257560 1% /dev devshm 257632 52 257580 1% /dev/shm lrm 257632 40000 217632 16% /lib/modules/2.6.24-28-generic /volatile what can I do to try to hunt down whats taking up so much of my hdd? (im fairly new to unix in general so i apologize if this is not well explained)

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• ubuntu server slowly filling up

  - by Crash893

  We had our samba server (ubuntu 8.04 ltr) share fill up the other day but when I went to look at it I cant see any of the shares have to much on them we have 5 group shares and then each users has an individual share one users has 22gigs of stuff a few others have 10-20mb of stuff and everyone else is empty so maybe like 26gigs total I deleted a few files yesterday and freed up about 250mb of space today when i checked it it was completely full again and i deleted some older files and freed up about 170mb of stuff but i can watch it slowly creep down in free space. I keep running a df -h Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 241690180 229340500 169200 100% / varrun 257632 260 257372 1% /var/run varlock 257632 0 257632 0% /var/lock udev 257632 72 257560 1% /dev devshm 257632 52 257580 1% /dev/shm lrm 257632 40000 217632 16% /lib/modules/2.6.24-28-generic /volatile what can I do to try to hunt down whats taking up so much of my hdd? (im fairly new to unix in general so i apologize if this is not well explained)

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• modsecurity apache mod-security.conf missing

  - by TechMedicNYC

  Greetings Serverfaultians. I'm not a server guy as you can see from my noob score of 1 point. But maybe those more versed can help me. I'm using Ubuntu v13.10 32-bit Server and Apache2 v2.4.6 and I'm trying to set up and configure modsecurity and modevasive on an internet-exposed production/test server. I am trying to follow this tutorial: http://www.thefanclub.co.za/how-to/how-install-apache2-modsecurity-and-modevasive-ubuntu-1204-lts-server. But at step 3: Now add these rules to Apache2. Open a terminal window and enter: sudo vi /etc/apache2/mods-available/mod-security.conf This file does not exist. Any suggestions?

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• ntpstat response fine but server time out of sync

  - by zedoo

  Hi, I found out that the ntpd service that I've set up a few weeks ago on a Centos5 machine doesn't correctly synchronize the server time. I detected an offset of more than 5 minutes (by stopping ntpd and executing ntpdate). After setting up the service I checked the setup via ntpstat: [xxxx@xxx ~]$ ntpstat -q synchronised to local net at stratum 11 time correct to within 10 ms polling server every 1024 s I repeated this check every day and it always showed this output. Doesn't this output tell me that the server time is sane?

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• Cloud Computing - Multiple Physical Computers, One Logical Computer

  - by Koobz

  I know that you can set up multiple virtual machines per physical computer. I'm wondering if it's possible to make multiple physical computers behave as one logical unit? Fundamentally the way I imagine it working is that you can throw 10 computers into a facility one day. You've got one client that requires the equivalent of two computers worth, and 100 others that eat up the remaining 8. As demands change you're just reallocating logical resources, maybe the 2 computer client now requires a third physical system. You just add it to the cloud, and don't worry about sharding the database, or migrating data over to a new server. Can it work this way? If yes, why would anyone ever do things like partition their database servers anymore? Just add more computing resources. You scale horizontally with the hardware, but your server appears to scale vertically. There's no need to modify your application's infrastructure to support multiple databases etc.

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• Cloud Computing - Multiple Physical Computers, One Logical Computer

  - by bundini

  I know that you can set up multiple virtual machines per physical computer. I'm wondering if it's possible to make multiple physical computers behave as one logical unit? Fundamentally the way I imagine it working is that you can throw 10 computers into a facility one day. You've got one client that requires the equivalent of two computers worth, and 100 others that eat up the remaining 8. As demands change you're just reallocating logical resources, maybe the 2 computer client now requires a third physical system. You just add it to the cloud, and don't worry about sharding the database, or migrating data over to a new server. Can it work this way? If yes, why would anyone ever do things like hand partition their database servers anymore? Just add more computing resources. You scale horizontally with the hardware, but your server appears to scale vertically. There's no need to modify your application's supporting infrastructure to support multiple databases etc.

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• Memory cache Ubuntu 9.10 server x86 doesn't work as expected

  - by Matthijs

  We're using an Ubuntu 9.10 server to transfer Ghost-image files. We configured it only with Samba. And the DOS-clients connect to Samba. The latest updates are installed and so far the servers is running fine. When we image 10 pc's with the same image of 2 files of 2GB there's no disk activity. Everything is loaded in the RAM. There's 4GB in the server. But when we use 2 pc's with 2 different image files of 500 MB (8x) files then there's a lot of continuous disk activity. The speed is lower. So it seems that Ubuntu doesn't cache more then one big file. Are there settings to change this behaviour?

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• What metric captures why my OSX machine is so slow during XCode indexing

  - by Ben Flynn

  My entire machine OSX Lion machine slows down while XCode 4.4 is indexing. The CPU is less than 10% busy, I've got over 500 MB free memory, plenty of disk space, disk IO rate is not high, network activity is not high. Indexing just a few files can take minutes and builds are extremely slow. While this is going on, even loading a new web page in Chrome can be slow. Knowing how to fix it would be great, but more fundamentally how can I measure what is actually going slowly? What metrics should I be looking at? Nothing in Activity Monitor, iostat, top, or sar betray anything about what's going on to me. Even getting a man page is interminable.

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• 10,000 RPM HDD (WD VelociRaptor) vs SSD for OS?

  - by GiH

  I currently have a 10,00RPM 150GB Raptor that I use for Vista. I'm about to upgrade to Windows 7, and while doing that I thought I'd buy another drive and install Ubuntu 9.10 on it. I don't want to partition the current drive I have, but I don't need 150GB for another OS. So, I'm having trouble deciding whether its worth it to buy a 64 GB SSD at the same price point as the 150GB WD VelociRaptor? Or should I just get a 7,200 RPM drive for really cheap (around $50)? Would it be better to use an SSD for the OS than a mechanical drive? I could always get a 32GB SSD too... Oh, and I don't want to virtualize Ubuntu because I'm going to be testing to see the differences in networking and overall performance.

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