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  • Where can I find a description of the old British Standard structured flow charts?

    - by Steve314
    Some professional organisation defined these in, IIRC, the early 80s as similar to the more well known flow charts, but "structured". Instead of having arbitrary "goto" arrows, they had the equivalent of loops etc. They were standardized, and I vaguely remember studying them briefly at O Level. Of course they were about as useful as the well-known chocolate teapot, but I'd still like to be able to find a reference guide for them if possible - for roughly the same reason I was looking for a reference for standard Basic a while back. Google tells me - well, nothing really. They may as well never have existed. Which is probably nearly (and perhaps completely) true - I certainly never heard of them anywhere else except when I was at school. There's a chance that they may even be my computer science teachers little joke.

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  • NAS + XBMC combination

    - by Hendrik
    I currently own a WD Sharespace and I am not too happy about it. It will freeze constantly and its rather slow. I've been thinking of replacing it. I also own a WD HD Live, and it works like it is supposed to, but recently I've seen XBMC in action and I was quite impressed. I've been wondering lately about the possibility of replacing both products with one new device: a fast reliable nas which I can install XBMC on and is capable of rendering video and has an HDMI out. Do any such devices exist for sale or is the only way to build one from scratch? I've seen HTPC's for sale but I've never seen any of them with a raid setup. I've also read about building your own NAS with freeNAS but those setups dont allow you to run XBMC. Does anyone have experience with this?

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  • Change from IDE to AHCI after installing Windows 8

    - by Louis
    I had my drive controller configured for IDE when I installed Windows 7. This didn't change when I upgraded to Windows 8. I now need to enable AHCI, but doing so causes Windows to fail to start. It doesn't know how to automatically fix the problem. I was able to use Regedit from the recovery area, in order to try using this fix that worked for Vista. That key is missing in Windows 8, however. I read that the relevant key is now in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci. But my settings already match the changes they suggest making. How can I get Windows to boot after enabling AHCI in the BIOS?

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  • The Active Directory integrated DNS zone _msdcs.COMPANY.LOCAL was not found.

    - by MadBoy
    Recently we renamed our domain from single domain name COMPANY to COMPANY.LOCAL due to multiple problems. However now I get this information from BPA. Issue: The Active Directory integrated DNS zone _msdcs.COMPANY.LOCAL was not found. Impact: DNS queries for the Active Directory integrated zone _msdcs.COMPANY.LOCAL might fail. Resolution: Restore the Active Directory integrated DNS zone _msdcs.COMPANY.LOCAL. Clearly there is no _msdcs.COMPANY.LOCAL as there is only old one _msdcs.COMPANY however when i check under COMPANY there is no _msdsc, but there is one when i check inside COMPANY.LOCAL. So it seems to me that _msdcs.COMPANY.LOCAL should use the one that is inside COMPANY.LOCAL? Should it not? Should I try to recreate it by hand (since it wasn't created on domain rename).

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  • (svh+ssh) getting bash to load my PATH over SSH

    - by Eli Bendersky
    This problem comes up with me trying to make svnserve (Subversion server) available on a server through SSH. I compiled SVN and installed it in $HOME/bin. Local access to it (not through SSH) works fine. Connections to svn+ssh fail due to: bash: svnserve: command not found Debugging this, I've found that: ssh user@server "which svnserve" says: which: no svnserve in (/usr/bin:/bin) This is strange, because I've updated the path to $HOME/bin in my .bashrc, and also added it in ~/.ssh/environment. However, it seems like the SSH doesn't read it. Although when I run: ssh user@server "echo $PATH" It does print my updated path! What's going on here? How can I make SSH find my svnserve? Thanks in advance

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  • Recovering portion(s) of file with CRC (cyclic redundancy check) errors in Robocopy

    - by Mark A
    Is it possible to recover portions of files with CRC errors? If so, how? I have a partially damaged hard drive (2.5" SATA) that I have partially recovered using Spinrite 6.0 (took 2 weeks to run!). I have been successful in getting many of the files off of the drive using Robocopy . /V /S /E /COPY:DAT /R:1 /W:0, but some of the files get to +/- 90% in Robocopy and then fail with a CRC Data Error (cyclic redundancy check). I am wondering if it is possible to recover the first 90% of the file and try to recover it in a text editor. 1.0% ... 91.0% 91.1% 2010/06/14 18:21:13 ERROR 23 (0x00000017) Copying File F:\Documents and Settings\user\Local Settings\Application Data\Identities\{GUID}\Microsoft\Outlook Express\Mailbox Folder.dbx Data error (cyclic redundancy check). Thanks in advance!

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  • virt-viewer slower than virt-manager when viewing

    - by map7
    I've got a thin client server in which I have a few VM's for users under KVM which I manage through virt-manager. What I've noticed is if I start a VM guest on a thin client using the command 'virt-viewer ' then the guest is painfully slow to move around. However if on the same thin client I start the same guest VM through virt-manager it's fast. What are the differences here? Can I start a VM without having the user load up virt-manager and double click on their VM? Should I be looking at using splice in virt-viewer instead of VNC which is what I currently use?

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  • How is the MTU is 65535 in UDP but ethernet does not allow frame size more than 1500 bytes

    - by nikku
    I am using a fast ethernet of 100 Mbps, whose frame size is less than 1500 bytes (1472 bytes for payload as per my textbook). In that, I was able to send and receive a UDP packet of message size 65507 bytes, which means the packet size was 65507 + 20 (IP Header) + 8 (UDP Header) = 65535. If the frame's payload size itself is maximum of 1472 bytes (as per my textbook), how can the packet size of IP be greater than that which here is 65535? I used sender code as char buffer[100000]; for (int i = 1; i < 100000; i++) { int len = send (socket_id, buffer, i); printf("%d\n", len); } Receiver code as while (len = recv (socket_id, buffer, 100000)) { printf("%d\n". len); } I observed that send returns -1 on i > 65507 and recv prints or receives a packet of maximum of length 65507.

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  • forward mails from sendmail + mimedefang on two unix boxes

    - by SWKK
    I am not a unix expert, more like a novice. I have one user account replicated on two unix boxes receiving same mails on both boxes for fail over. Sendmail has mimedefang utility running to process these mails. After all the processing is complete, more like weeding the spam, viruses etc. I need to forward these mails coming to the same account on both boxes to goto a central mailbox on MS Exchange for this account. Problem is I am using .forward file hence both unix boxes forward the mail after processing. I just want to be able to ignore one of the two mails. Has anyone tried something similar? any directions? Please?

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  • Reset Mac OS X (Snow Leopard) File Permissions -- All Files

    - by Frank
    Is their a script or process completely reset all file system file permissions to factory default? (Less restoring from a image backup or reinstalling the OS). This would include I've affected all files from / to Applications and home folder and all contents. (Everything) I've tried to use the Disk Utility's First Aid 'Repair Disk Permissions' but it didn't seem to touch or affect everything - some but not all. I've ran it twice so far... I've seen this but it's not quite the something. Fixing mac user file permissions, not the system The reason for all of this is I accidentally ran a chmod on all files (as sudo). Working too fast, now I'm in a hole.

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  • check_mk IPMI PCM sensor reading randomly fails

    - by Julian Kessel
    I use check_mk_agent for monitoring a server with IPMI and the freeipmi-tools installed. As far as I can see, the monitoring randomly detects no value returned by the IPMI Sensor "Temperature_PCH_Temp". That's a problem since it results in a CRITICAL state triggering a notification. The interruption lasts only over one check, the following is always OK. The temperature is in no edge area and neither the readings before the fail nor after show a Temp that is tending to overrun a treshold. Has someone an idea on what could be the reason for this behaviour and how prevent it?

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  • how to use winpcap to send EAPOL packets on windows 7 with wireless card?

    - by caimengru0807
    I want to implement a 802.1X wireless client on Windows 7 using PEAP/MSCHAPv2. The 802.1X protocol is a data link layer protocol, it uses the EAPOL protocol to encapsulate the packets. I use the WinPcap to send and receive the EAPOL packets, however I fail to do it with the wireless NIC. It can work fine to send the EAPOL packets use wired NIC. It can also work fine to send the EAPOL packets on Windows XP using wireless NIC. So what's wrong with it on Windows 7?

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  • How do I get my laptop's screen brightness settings back?

    - by Mason Wheeler
    From when I bought it up until yesterday, my laptop would dim the screen automatically if you let it sit for long enough, and then if you hit a key or moved the mouse, the brightness would jump back to what you had it at. I enjoy that behavior. It works well. Then I booted it up today, and found that now it will dim the screen automatically if you let it sit for long enough, but it doesn't restore the screen brightness. I have to do that manually, every single time, and it's getting really old really fast. It's an Alienware M17 running Windows 7 64-bit, in case that helps.

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  • Forward the Wan IP to another Wan IP without change the Source address

    - by user195410
    I have tried this case by using the NAT function in iptables but fail example. PC A IP is 1.1.1.1 (Win7) My Server IP is 2.2.2.2 (CentOS 6.2) target Server B is 3.3.3.3 (Windows server 2003) Flow: PC A WanIP -- My Server A -- Server B (WanIP) ----My iptables rules--------- iptables -t nat -A PREROUTING -d 2.2.2.2 -p tcp --dport 80 -j DNAT --to-destination 3.3.3.3:80 iptables -t nat -A POSTROUTING -d 2.2.2.2 -j MASQUERADE finally, i can access server B website by enter 2.2.2.2:80 but when i checked the access log at Server B i found it's source address had been changed to src:2.2.2.2 dst:3.3.3.3 please help me to do how to get the real address is src:1.1.1.1 dst:3.3.3.3

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  • How do the young start programming nowadays

    - by PP
    Back in the late 80s/early 90s I learned GWBasic on MS-DOS. Then Turbo Pascal. Then Turbo C/Asm. Later I stumbled into PHP and finally made a career out of Perl programming. I'm curious how actual under-25s found their way into programming. There is a lot of discussion about what path you would steer your children if you wanted them to learn programming, but I would like to hear from the newer generation to find out their more modern experiences about becoming a programmer. Note: no stories from people who first discovered programming at university.

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  • how to i lock a Harddrive to a certain drive letter

    - by Memor-X
    i have an external hard drive that i have set to Drive F which on it contains some programs that i have shortcuts on the desktop how i have a second external hard drive which i store my music on which is auto assigned to Drive E, due to someone thinking that Australians love to have f** wings on power plugs for hard drives while power boards have each socket close together i can have both of these hard drives set at the same time my music hard drive i normally only plug up when i sync music to my ipod but on occasion when i unplug my music hard drive and plug my old one back in or at times when i turn on my computer with the music hard drive in, turn off my computer and turn it back on with my old hard drive it's drive letter gets switched to E i get annoyed having to always go into disk management and change the drive letter back to F when this happens so i am wondering if I can lock my hard drive to always be F, if anything else tries to be F it can fail for all i care If there is a batch file i can use that'll go though all the steps of Disk Management to change a drive's letter, that way i can set it up in the startup folder

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  • Automatically create an admin user when running Django's ./manage.py syncdb

    - by a paid nerd
    My project is in early development. I frequently delete the database and run manage.py syncdb to set up my app from scratch. Unfortunately, this always pops up: You just installed Django's auth system, which means you don't have any superusers defined. Would you like to create one now? (yes/no): Then you have supply a username, valid email adress and password. This is tedious. I'm getting tired of typing test\[email protected]\ntest\ntest\n. How can I automatically skip this step and create a user programatically when running manage.py syncdb ?

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  • The eval(base64_decode()) virus has infected a server. Would removing executable permissions help solve the issue?

    - by Bravo.I
    The eval(base64_decode()) has infected a server. This is a PHP virus that uses the eval function in PHP and replicates itself to all the PHP files on the system as far as I'm certain. Would removing executable permissions help solve the problem?! Please answer really fast, and also, if you've got any better ideas on how to stop this virus.. I'm all ears. The virus has replicated itself to several folders in the directory and most of the other folders are actually several other websites...

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  • elilo commandline boot config that includes spaces

    - by qdot
    I've got an elilo (EFI LILO) config file that includes spaces in the label - like that: image=/EFI/gentoo/boot/kernel-genkernel-ia64-3.1.6-gentoo label="Gentoo IA64 3.1.6" append="real_root=/dev/sda2" initrd=/EFI/gentoo/boot/initramfs-genkernel-ia64-3.1.6-gentoo read-only How can I select this label from ELILO's command line - the usual suspects: Gentoo IA64 3.1.6 "Gentoo IA64 3.1.6" 'Gentoo IA64 3.1.6' Gentoo\ IA64\ 3.1.6 all fail with the Kernel file not found Gentoo/"Gentoo/'Gentoo/Gentoo\" kind of error. Surely there must be a way to use a 'space' without making it a parameter delimeter?

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  • IIS application pool and UAC

    - by rocku
    Hi, My system is Windows Server 2008 R2 with IIS 7.5. I need to run a site which is allowed to do some administrative tasks. I have created an AD user account and added it to all the required groups. The site's application pool runs with custom identity set to this AD account. This works, however some tasks fail with 'Access is denied'. I have found that it was caused by UAC (with UAC disabled everything works ok). So my question is - is it possible to run an application pool in elevated mode without globally disabling UAC? Possibly just disabling UAC just for this one account.

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  • Better filesystem for ZODB and Plone.app.blob

    - by h2o
    I am interested to know which Linux file system is best for hosting Zope's Object Database (Data.fs) and Plone.app.blob (blobstorage). Various reviews from the Internet suggests that XFS is good for hosting both. XFS is fast and works well with large files. Anyone using XFS for Zope or Plone? What optimization flags, if any, do you use for XFS? Note that this is a repost. I originally asked this on StackOverflow and was given a suggestion to post on Severfault instead.

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  • Get hard drive to spin up upon mouse movement

    - by John
    My storage drive which does not contain the OS stops spinning after a few minutes. This is annoying and totally defeats the purpose of having a fast access drive. The drive will NOT spin up when I use the mouse! It only spins up when accessed. However, I don't want it to spin all the time. I would like it to spin up anytime there is mouse activity so it is at the ready when I am using the computer, but go to sleep during inactivity. Can anyone think of a trick to get a secondary drive to spin up on a mouse movement?

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  • Vagrant with VMware ESXi Provider

    - by Adam
    I am attempting to work with Vagrant and the vagrant-vsphere plugin to deploy machines to my VMware ESXi server. Has anyone had any luck in getting this to work? I realize that vagrant-vsphere is still 0.0.1 though and there are bound to be bugs. Specifially, Vagrant and vagrant-vsphere appear to fail during the vsphere connection, however, SSH and CLI access is enabled and the vSphere powershell is able to connect without an issue. INFO warden: Calling action: # ERROR warden: Error occurred: VagrantPlugins::VSphere::Errors::VSphereError The hostd log file on the ESXi server shows the Vagrant doing an SearchIndex query.

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  • Varnish Running VCC-compiler failed on purge

    - by FLX
    I've been following this guide which uses this default.vcl. However, when starting Varnish I get the following error: * Starting HTTP accelerator [fail] storage_malloc: max size 1024 MB. Message from VCC-compiler: Expected '(' got ';' (program line 341), at (input Line 43 Pos 22) purge; ---------------------# Running VCC-compiler failed, exit 1 VCL compilation failed Which means that there is something wrong with purge here: sub vcl_hit { if (req.request == "PURGE") { purge; error 200 "Purged."; } } I don't see anything wrong, can someone explain? Thanks!

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  • Why use multiple partitions on a rhel server?

    - by Jakobud
    I'm about to reformat and reinstall CentOS onto an old server. The server runs on a modest 30 node small business network and has a variety of responsibilities including MySQL, a Samba share, DHCPd & SVN/Trac. The old sysadmin had this server setup with almost a dozen different partitions for various things. I'm trying to understand what the advantages of multiple partitions are as opposed to a just one filesystem at /. Speed? Flexibility? Security? It seems like if you misjudge the necessary size for any given partition and it ends up filling up too fast, it requires a sysadmin to go in and expand the partition, etc... Seems like it would be easier if everything was just one flat / filesystem. But I'm sure there are some advantages I'm not aware of. The server is currently running a handful of HDDs raided to ~2TB (raid 0).

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