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• Anyone had any issues getting a disk to start on a Walrus storage sytem?

  - by Peter NUnn

  Hi folks, I'm trying to get a Eucalyptus system up and running and have managed to get the cloud controller and node controller running fine, with an instance running in the cloud system, but without any persistent storage. When I try and create a volume I get euca-create-volume -s 10 -z cluster1 VOLUME vol-5F5D0659 10 creating 2010-05-31T09:10:11.408Z but when I try and see the volume I get euca-describe-volumes VOLUME vol-5F5D0659 10 cluster1 failed 2010-05-31T09:10:11.408Z VOLUME vol-5FE9065E 10 cluster1 failed 2010-05-31T09:02:56.721Z I've dug all over the place, but can't seem to turn up a reason the creation would fail or where to start looking to see what the issue might be. Anyone have any ideas where to even start looking for the answer to this? Ta Peter.

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• HP-UX -> Linux incremental remote backup

  - by stack_zen

  Hi. I've the need to setup a differential backup process from a range of remote HP-UXes to a central RHEL5 server. I'd happily go with rsync, problem is, stock HP-UX 11.11 has no built-in rsync and I don't have permissions to install any software on the remote stock HP-UXes. How should I approach this? HP-UX provides: fbackup (HP-UX exclusive) cpio (available in RHEL5, allows backing up only the files which changed, but always grabs the totality of the file) ssh remote_user@remote_host 'find /u01/engine/logs/ -type f -name "*.log" | cpio -o | gzip -' | cpio gunzip - | -idmv Those solutions don't really answer my incremental (bandwidth efficiency) problem do they?

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• would a dynamic wan disrupt a static lan?

  - by JohnMerlino

  So I found out that the cable company use the DHCP to assign the public ip address dynamically. So a subscriber's public facing ip address can change during the length of their subscription. Now what if you remove DHCP on a particular computer, which you plan to use as a web server, so that the machine has a static, unchanging IP address. If the public ip address was to change, would this confuse the Network Address Translation (NAT) and cause some sort of disruption? Please answer in layman terms, as I'm still grasping concepts here. thanks.

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• Everytime I click on a link from within Mac, parallels boots up my Windows VM and opens the link there

  - by Christoph

  Everytime I click on a link from within Mac, parallels boots up my Windows VM and opens the link there. That's super annoying and I haven't found a configuration to change it. In the settings of my Windows VM there is an option where to launch the webbrowser. However that seems to only affect links that I open from within my Windows session. UPDATE I just stumbled across this answer: How to disassociate a file type with an application in Mac OS So I disabled "share windows apps with mac" completely. Also this seems to be overly protective it at least does the trick. I think it also deactivates that running windows apps show up in the dock but I don't care that much about that anyway.

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• Get a file from a load balanced server in Windows Server

  - by Leandro

  I've a load balanced server on production environment for my application. The server is on Windows Server 2008 R2. I'm running a web application that creates and save a file into a folder on the web path. So I need to create a job that copy this file into another server. The main idea is that a file watcher checks for the file and then copy it instantly. But how can I know in what server it's the file? Please avoid "why you don't" answers to get a directly answer, if it's someone.

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• Installed 4GB memory but Windows XP 32 bit only reporting 2GB?

  - by AnthonyWJones

  I've just taken an existing XP Pro 32 bit system that had only 0.5GB of memory installed and maxed it out to 4GB. The BIOS reports the 4GB ram however when XP is booted and I look at the computer properties only 2GB of RAM is reported. Can anyone explain this? Before we go up any blind allys the /3GB switch is not the answer here, I have no need for a single process to use more the 2GB of memory. I'm wondering if the the 32 bit XP Pro is deliberately limited to 2GB. I seem to remember seeing an excellent table on a Microsoft site listing all the various SKUs of Windows and what each one was limited to. However I can't seem to find that table now.

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• Installed 4GB memory but Windows XP 32 bit only reporting 2GB?

  - by AnthonyWJones

  I've just taken an existing XP Pro 32 bit system that had only 0.5GB of memory installed and maxed it out to 4GB. The BIOS reports the 4GB ram however when XP is booted and I look at the computer properties only 2GB of RAM is reported. Can anyone explain this? Before we go up any blind allys the /3GB switch is not the answer here, I have no need for a single process to use more the 2GB of memory. I'm wondering if the the 32 bit XP Pro is deliberately limited to 2GB. I seem to remember seeing an excellent table on a Microsoft site listing all the various SKUs of Windows and what each one was limited to. However I can't seem to find that table now.

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• No command window.

  - by Segref

  Using 7 build 7600. Wen I try to open a command window, I just get returned to my previous folder/desktop. If I try to open an extended window I get to the UAC, answer yes and again am returned. A check in Sys info reveals the command prompt is running but I can't see the window. I can have multiple instances of cmd.exe running but still no window. My video adapter is GeForce 7600 and I have no other known problems at this time. Thanks in advance.

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• How does IPv4 Subnetting Work?

  - by Kyle Brandt

  This is a Canonical Question about IPv4 Subnets How does Subnetting Work, and How do you do it by hand or in your head? Can someone explain both conceptually and with several examples? Server Fault gets lots of subnetting homework questions, so we could use an answer to point them to on Server Fault itself. What is classless routing and why is class-based routing obsolete? If I have a network, how do I figure out how to split it up? If I am given a netmask, how do I know what the network Range is for it? Sometimes there is a slash followed by a number, what is that number? Sometimes there is a subnet mask, but also a wildcard mask, they seem like the same thing but they are different? Someone mentioned something about knowing binary for this? What is NAT (Network Address Translation).

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• Internal Website links only working for some users

  - by Ryan

  We are having a very hard time trying to figure out this problem or the root cause. Our website www. countrymusicislove .com is only correctly displaying the homepage for some users. Anytime they click on a post, about me, etc, a 404 error page is displayed. Everything worked fine before we moved over to a new hosting company 2 weeks ago. I am looking for any ideas and even willing to pay someone to troubleshoot and fix this issue as no one seems to have an answer. The entire website is done in the latest version of wordpress. The old website address for the website is http://siteground243.com/~countr10/ And the domain name was registered through google for enom.com Everything is now going through Arvixe.com On my work computer, I am able to get the 404 error to appear on other pages by turning on friendly error messages. When I turn off friendly error messages, everything seems to work. I have tried this several times and it doesn't seem like a coincidence.

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• How long do managed gigabit ethernet switches take to boot up?

  - by Warren P

  One critical drawback that I have found in researching managed-switches, and one that I have some past experience with is that anything with "lots" of firmware is going to have lots of issues associated with that firmware. We are in the middle of researching rackmount gigabit switches (48 port). It looks like for 48 ports, our only choice is managed switches (Dell, Cisco/Linksys,HP, etc). What I want to know, that I can not find out much about is the boot-time for various managed switches. If you own one, can you please answer with the model number, and the cold boot time in seconds. I have read online that Linksys (now Cisco) SRW series sometimes take almost 5 minutes before they are fully booted up, and that is an unacceptable cost for us. I particularly want to know about Dell PowerConnect managed switch bootup time (model 3548 and 5448), and would like to confirm the 5-minute boot time on the SRW2048 or similar model, and any HP ProCurve boot up times. The composite of all those figures ought to form an interesting overall performance picture.

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• Shrink a mounted LVM partition

  - by javanix

  I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk space. / is mounted separately (hdd1_vg-root) and has about 80% used disk space. Filesystem Size Used Avail Use% Mounted on /dev/**/hdd1_vg-root 2.0G 1.4G 481M 75% / /dev/**/hdd1_vg-var 33G 699M 31G 3% /var Unfortunately I don't have any free extents to grow this partition organically - vgdisplay shows: Total PE 10000 Alloc PE / Size 10000 / 39.06 GB Free PE / Size 0 / 0 So seeing that I have all this free disk space on /var/, can I shrink /var/ without un-mounting it or is this just a pipe dream? I am really hoping to be able to do this work on a running system - un-mounting would of course not be difficult but it would interfere with system functionality.

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• Vertical alignment problem in textbox in Microsoft Word 2007

  - by Surjya Narayana Padhi

  I pardon as its not a programming question at all. But if anybody can answer this it will be usefull for me. In MS word 2007 I drew a textbox and entered some text. Then I right clicked on textbox and went to format shape Then went to TextBox tab and reduced the top internal margin to 0.1 cm. But still it seems there is too much space at the top inside the textbox. I am not able to position the text exactly at the vertical middle of textbox. If I choose the auto-rezide option in format Shape, the textBox size is increases automatically but the text remains exactly at vertical and horizontal middle of textbox. but anyhow I need the textbox to be small. This is very minor but annoying problem. Can anybody help?

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• USB Virtual RAM is not working properly

  - by Haseeb Anwar

  This images are help u in solving my question.1I have installed Windows 7 64 bit. I have made a virtual USB RAM but it is not working properly. First I go to the USB PropertiesReady Boost. Use this device as a virtual RAM and then click Apply then Ok. then I go to My Computer PropertiesAdvance system settingsAdvance(tab)SettingsAdvanceChange. When i click on change button the USB is not here. What can I do. Please answer my question.

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• How to check if PAE is enabled? (Windows 7 32 bits)

  - by Altar

  How to tell for sure if PAE (Physical Address Extensions) is enabled or not? There is a SPECIFIC command I can use? I can read a registry value or something? (Windows 7 32 bits) I have found this on Internet but it doesn't answer my question: If your server has hot-add memory ability (ability to add more memory without shutting down the server !!) or data execution prevention (DEP) is enabled then PAE will be enabled automatically !! It only reformulate the question as "does my Qosmio x505 laptop support hot-add memory?"

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• Keep lan connection alive while going to sleep

  - by user18151

  Is it possible to keep lan connection alive when going to sleep? Although I would like a laptop independent(in general) answer, my laptop is Thinkpad T500 and the power manager shows in PCI options, the following three option regarding saving link state power: Off, moderate, maximum. Also instant resume apparently does something different, so that isn't much help either. I'm on Windows-7. Here's why: I'm a student, and currently I keep my laptop on almost all the time, but sometimes I sleep it and then I require to check something, so I turn it on. But then internet starts in at least a minute. So I avoid even putting it to sleep. I want that the internet connection should persist, so that I can put it to sleep to avoid power consumption.

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• Software that supports ATA Secure Erase Command

  - by vy32

  We have a lot of drives that need to be sanitized. NIST SP 800-88 recommends software that uses the ATA Secure Erase command. That's apparently the only way to be sure that the drive is properly wiped, due to bad-block remapping and such. I know that this functionality is available in hdparm. The problem with that approach is that it is inconsistent on multiple platforms, occasionally times out, doesn't have error-checking logic, and doesn't check the resulting drive to make sure that it has, in fact, been erased. So a proper program might use hdparm, but hdparm by itself isn't an answer. I'm looking for open source software that implements ATA Secure Erase. Ideally it will be a bootable disk image like DBAN, but it will use the ATA command.

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• HALEVT troubleshooting: VFAT usb storage device gets mounted with root:root user:group

  - by Nova deViator

  Hi, i'm banging my head for number of days around this problem. using Halevt for automounting, everything mostly works, but the only thing is that Halevt mounts external USB storage devices as root. So, as user i cannot write to files on them. Halevt gets run as halevt user on boot through /etc/init.d script. This is Ubuntu Lucid with Awesome WM. No GDM. Running halevt as user seem to not work (halevt runs but doesn't respond on Insert) I know HAL is deprecated and removed and i should probably write my own UDEV rules, but until then it seems there must a be simple hack that enables mounting VFAT/NTFS devices with specific uid/gid. this question/answer helps a lot, but not specifically to the above.

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• How to determine if a CentOS system is Raid-1?

  - by Tedd Johnson

  I've tried searching for this answer, but haven't found anything elegant. I have numerous servers in a colo that is in another state. I need to find a way to check that the servers have RAID-1 on them, so that I can determine if they were setup correctly by my colo. df -h shows: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 442G 1.5G 418G 1% / /dev/sda1 99M 19M 75M 20% /boot tmpfs 4.0G 0 4.0G 0% /dev/shm however as CentOS uses LVM by default, this doesn't indicate if a RAID-1 is present. it is supposed to be a software raid, so I'm pretty sure there should be a way to check. Thanks

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• Is there such a thing as an IP femtocell, and what does it do?

  - by The Journeyman geek

  My dad mentioned a co-worker suggested using a device, that might use CDMA to route calls through IP to save costs on a certain overseas project we're on- since our home base is quite far from there. I've never heard of such a device, so if it does exist, I'm wondering, if it's specific to particular ISPs, or if you can just pick one off the shelf, plug it into an arbitrary Internet connection, and make calls using it and a cellphone of some sort? As you can tell, details are sketchy, so... if such a device doesn't exist, saying so might be a right answer ;)

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• Word 2003: Bullet style renamed; is there some way to reverse this?

  - by Margaret

  I have a machine that seems to have had its bullet style permanently changed - I previously was creating a document which had a question/answer format, where the answers were bullet points, so I created a style for them. The problem is, it seems to have stuck. If you click the "Bullet" button, the paragraph is formatted in the style. I've tried deleting the style in Normal.dot, and even deleting the Normal.dot file in the entirely - neither seems to fix the problem. Anyone have any other bright ideas on how to fix it?

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• Moving mails from SBS 2008 to SBS 2011

  - by starchx

  we are going to upgrade server from SBS 2008 to a new hardware server with SBS 2011. Due to non-experience in Server Migration (eg, answer file), we have decided to choose Clean Install. We have 12 users so that's not too bad. The most challenge problem is to move over all the emails for each user, some user have 5GB inbox. The one method I know is to login to each user account and export the emails to PST file using Outlook 2007. Then connect to new SBS 2011 and import the PST into new inbox. Do we have any other better/quicker ways? Thanks

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• DNS SERVFAIL and NXDOMAIN on specific hostname

  - by David George

  I have two DNS servers in my domain, Windows 2003 and Windows 2008, but recently both are failing to route users to www.cdw.com. I have had no other complaints with any other websites, but when trying to use cdw.com the page never loads. I tried to resolve the hostname and get the NXDOMAIN error below: MyComputer:~ me$ nslookup cdw.com ;; Got SERVFAIL reply from 192.168.2.1, trying next server Server: 192.168.2.2 Address: 192.168.2.2#53 ** server can't find cdw.com: NXDOMAIN MyComputer:~ me$ nslookup serverfault.com Server: 192.168.2.2 Address: 192.168.2.2#53 Non-authoritative answer: Name: serverfault.com Address: 198.252.206.16

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• How many VPS' can I create on my server?

  - by user197692

  I need to create as many VPS's on my dedicated server (KVM or OpenVZ) in order to sell them but I really don't know the answer. RAM calculation is simple, it's more about CPU resources, how many VPS's can hold. I'am talking about Intel i7-2600 (4 cores, 8 Threads). I need to deploy as many VPS's. It's all about the nr threads? i.e. 8 threads = maximum 8 x 1vCPU or maximum 4 x 2vCPU? I'am planning to use 1Gb and 2Gb memory on each VPS, the server has 16Gb (but I can raise RAM if need it. So, can I create 8 KVM VPS's with 4 vCPU and 2Gb ram each ? How about 20 VPS's with 1Gb ram and 4vCPU each? How is this decision affected by the hypervisor (KVM, OpenVZ, VMware)?

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• Problem with intel chipset 4 serie and centos dealing with dual head

  - by Antoine

  I've a fujitsu lifebook S7220, it's been a while since i try to configure it to use a dual head with centos 5.4 x86_64. Everytime I try, the xserver crash... I've got an intel chipset mobile 4 serie (GMA 4500MHD, if I recall good!) When I do an lspci -v i've got these : 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller]) Subsystem: Fujitsu Limited. Unknown device 1451 Flags: bus master, fast devsel, latency 0, IRQ 177 Memory at f2000000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at 1800 [size=8] Capabilities: [90] Message Signalled Interrupts: 64bit- Queue=0/0 Enable- Capabilities: [d0] Power Management version 3 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Subsystem: Fujitsu Limited. Unknown device 1451 Flags: bus master, fast devsel, latency 0 Memory at f2400000 (64-bit, non-prefetchable) [size=1M] Capabilities: [d0] Power Management version 3 My question is, anyone already got this problem and how did you fix it? Thank you for your answer!

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