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  • How can one-handed work in Emacs be eased?

    - by N.N.
    My right hand is temporarily immobilized and I would like to do some minor work in Emacs, mostly in Org-mode, but also in AUCTeX. Are there ways to ease one-handed work in Emacs, such as some mode or particular work flow? For instance I noticed that for undoing it is easier to press C-x u than C-_ and that it is easier to mark text with methods involving C-Space than with combinations of S- and movement commands. I have found http://stackoverflow.com/questions/2391805/how-can-i-remain-productive-with-one-hand-completely-immobilized but that is not exactly what I am asking for. I want to ease whatever little time spent one-handed in Emacs (not in general) and this is also interesting for situations where there is no injury involved, such as when one hand is occupied. I do realize that I should avoid unnecessary strain. I am using GNU Emacs 23.3.1 in Ubuntu 11.04.

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  • Debian pure-ftpd, Restrict access

    - by durduvakis
    I am running Debian Wheezy, with ISPConfig 3, plus ModSecurity and I would like to restrict access to ftp to specific IP(s) globally (not to specific ftp users only), that can be either 127.0.0.1 or one I would manually add later. I would also like to completely disable ftp access from the web, but allow only from ftp-client software (if that is possible). The idea of closing firewall ports is not what I want. I know I can do this setting some firewall rule though, but that is not what I currently need. I have managed to do this for example on phpmyadmin inside it's .conf file, but unfortunately I cannot find any configuration to alter for pure-ftpd in my system. Restricting web-ftp access maybe possible by adding some rule in apache2 conf, but I am not sure how to write such a rule. Thanks to everyone that can help cheers

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  • How can I set up conditional formatting to highlight a range only if all its cells are empty?

    - by Jennifer
    I am new to conditional formatting and having a hard time. I have 6 columns with 100 rows. What I would like to have happen is to highlight the row in one color if there is no data in it at all. If there is data in one cell within the row, however, I would like for the highlighting to be removed from the row completely. Currently I have it set up to highlight the entire row if there is no data in it and if there is data in one cell, only that cell has no highlighting....I can't seem to make the entire row's highlighting disappear. I have used the formula to determine which cells to format: =I16:N16="" formatting color is yellow. I know I have to add a second conditional format but I have tried numerous different formulas and cant seem to get it to work.

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  • how can i realize a video-wall on 3-9pc with vlc

    - by Luca
    hello! i have to create a videowall, from 3 to 9 monitor. every monitor as a pc. actually, i stream from a server 9 movies with different istances of VLC, but i could also play on every machine the relative video with a single player. there's no problem. the real problem is that i really dont know how to sync the videos on a LAN...unfortunately there is a NETSYNC module inside VLC wich is NOT working. here are some info about my setup: videowall from 3 to 9 monitor || from 3 to 9 pc, all with the same configuration || a gigabit router+switch for the "dedicated" LAN im really stuck in this situation, if anyone has an idea or just a completely different solution, please, share it with me! thanks a lot in advance! :)

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  • Laptop overheating within minutes of start up

    - by Spik330
    I have a Dell Windows 7 Home Prem with an I7-720QM. More information on the computer can be found here http://www.dell.com/support/home/us/en/04/product-support/servicetag/51CVCN1/configuration The Problem I am having is the computer will over heat unnaturally fast. From the time it takes from boot to when i can run my diagnostic tools which takes about two minutes the cpu temp is 86c after a few more minutes the cpu temp will reach 100 and the computer will black screen shut down. In total the the laptop can only be run for 3-5 minutes before completely shutting off. During this time there is nothing extensive running. After the laptop shuts down you have to wait for it to cool down or it will shut off even faster sometimes 7-15 seconds well still in the boot screen. Does anyone know what could be the problem maybe a sensor or is the computer fried?

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  • HDFS datanode startup fails when disks are full

    - by mbac
    Our HDFS cluster is only 90% full but some datanodes have some disks that are 100% full. That means when we mass reboot the entire cluster some datanodes completely fail to start with a message like this: 2013-10-26 03:58:27,295 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Mkdirs failed to create /mnt/local/sda1/hadoop/dfsdata/blocksBeingWritten Only three have to fail this way before we start experiencing real data loss. Currently we workaround it by decreasing the amount of space reserved for the root user but we'll eventually run out. We also run the re-balancer pretty much constantly, but some disks stay stuck at 100% anyway. Changing the dfs.datanode.failed.volumes.tolerated setting is not the solution as the volume has not failed. Any ideas?

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  • A button to set all processes to on-hold for Linux?

    - by fuenfundachtzig
    When Linux starts swapping you're basically doomed. Very soon the system won't react to any input any more, but happily swap on until the end of days... Can you think of a command that holds all processes whatsoever, thus (and while) allowing you to open a clean shell where you can examine the source of the problem and kill the process which ate up all the memory? (I guess this won't be easy, because as the memory is probably completely filled up you'd need to swap out some more memory to gather space for opening a shell, on the other hand all other swapping processes must be stopped.) If you tied such a command to a hot key then maybe you can use this as an emergency button saving you a lot a time. Any ideas if this is possible at all? Has somebody tried something like this before? If one could realize this it would be a cool feature :)

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  • bind: blackhole for invalid recursive queries?

    - by Udo G
    I have a name server that's publicly accessible since it is the authoritative name server for a couple of domains. Currently the server is flooded with faked type ANY requests for isc.org, ripe.net and similar (that's a known distributed DoS attack). The server runs BIND and has allow-recursion set to my LAN so that these requests are rejected. In such cases the server responds just with authority and additional sections referring the root servers. Can I configure BIND so that it completely ignores these requests, without sending a response at all?

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  • Clone MySQL DB - errors with CREATE VIEW/SHOW VIEW privileges

    - by user43537
    Running MySQL 5.0.32 on Debian 4.0 (Etch). I'm trying to clone a WordPress MySQL database completely (structure and data) on the same server. I tried a dump to an .sql file and an import into a new empty database from the command line, but the import fails with errors saying the user does not have the "SHOW VIEW" or "CREATE VIEW" privilege. Trying it with PHPMyAdmin doesn't work either. I also tried doing this with the MySQL root user (not named "root" though) and it shows an "Access Denied" error. I'm terribly confused as to where the problem is. Any pointers on cloning a MySQL DB and granting all privileges to a user account would be great (specifically for MySQL 5.0.32). Thanks!

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  • Can't reach custom C# forms application remotely.

    - by gnucom
    Hello, I'm working in Windows Server 2008. I have a very basic C# forms application (not a service) that is listening on a port, say 56112. When using telnet I can connect from the localhost and send and receive data. For some reason I cannot remotely connect to the application. I know I have a connection because I can telnet to 23 on the remotely fine. I've opened this port on the firewall, created rules in/out in advanced firewall, disabled the firewall completely, and more. Any suggestions would be great! This is the telnet output: Microsoft Telnet> open server.cc 56112 Connecting server.cc...Could not open connection to the host, on port 56112: Connect failed

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  • Should a neglected iPhone still be used?

    - by Ben Griswold
    I replaced my first iPhone (upgraded from version 1 to 3G) about 18 months ago. Since the upgrade, my original iPhone has been just sitting on shelf in my office. I am thinking about dusting off my old iPhone, reactivating through AT&T and giving it to my wife. The phone hasn't been used for quite some time and the battery is completely dead. I'm not sure about iPhone battery lifetimes, but I'm questioning whether a charge will keep. Should I invest in a new iPhone or take a chance reactivating the old one?

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  • Technicolor TG582n with external DHCP server [on hold]

    - by Jack
    We have a small home setup with a Technicolor TG582n on Plusnet ISP. We have a Samba4 DC with DNS forwarding enabled. The DC forwards to the Technicolor. However, the client machines have their DNS settings manually set. This is an annoyance when using laptops on other networks. We would like to have DHCP handled on the server machine, such that when a client connects to the Technicolor, it gets its IP and DNS information from the DHCP server, eliminating the need to manually set adapter DNS settings. However, I cannot find an option to disable DHCP on the Technicolor and am not completely clear on how one would point DHCP services to the server from the Technicolor if there were the option. So, how would one make the Technicolor use an external server for DHCP leases?

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  • Take a psd and export all the layers into separate image files without using Photoshop

    - by Darren
    This is my first question here and I'm not sure if this is the appropriate site for my question, but here it goes. If this is not the correct site, please direct me to the correct one. I have a psd file. I simply want to extract the layers from it into separate image files. I do not have Photoshop and I've already used up the free Photoshop trial. I am running Mountain Lion on a MacBook Pro. I have installed Gimp, but I can't figure out how to do what I want. I have searched using Google, but have been completely unable to find a tutorial showing me how to do this. I would really appreciate instructions or a link to an appropriate tutorial. I have seen some answers here, but they simply say use Gimp, which doesn't help me.

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  • Computer sending data while turned of

    - by Nicklas Ansman
    I have a some what strange problem (which could have and easy and obvious solution for all I know). My problem is that when I've booted ubuntu (now 10.4 but same problem with 9.10) and turns it off it starts sending a HUGE amount of data via the ethernet cable, so much in fact that my router can't handle it and stops responding. As far as I can tell the computer is completely turned off with no fans spinning. I can add that if I boot windows I do not have this problem, just when exiting ubuntu. There are two "fixes" for my problem: Pull the ethernet cable until the next boot Turn off power to the PSU and wait for the capacitors to unload Is there anyone who knows what could be going on? I'd be happy to post some logs or conf-files. Currently I'm using the ethernet port on my motherboard which is a Asus P6T Deluxe V2 with an updated version of the BIOS (maybe not the latest but since it only happens when I've been in ubuntu I don't wanna mess with the BIOS too much). Regards Nicklas

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  • How can I make Windows Media Player ignore global hotkeys in Windows 7?

    - by Schnapple
    I have Windows 7 and a Logitech G15 keyboard. One of the programs with the Logitech G15 allows you to control media players such as Winamp with the playback keys on the keyboard. Problem I'm having is that, even though I have told this program to not control Windows Media Player, every time I use it to pause Winamp, it then hits plays (or unpauses) Windows Media Player. Even more annoying given that Windows Media Player isn't even running as an active GUI program and instead as a background process, so I hear the sound of whatever the last video it was I playing. If I end-task wmplayer.exe it spins right back up but at least now it has no knowledge of a video to play, but this is annoying. How can I either a) Have Windows Media Player in Windows 7 completely unload when I close it, or b) Have Windows Media Player in Windows 7 ignore any sort of global hotkeys?

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  • Port forwarding on D-Link DIR-615 super-slow, useless

    - by Jaroslav Záruba
    Hello I have replaced my old router with DIR-615 from D-Link, and now the port forwarding is so slow it makes the router practically useless. Accessing the router itself (admin UI) is without issues, no delay whatsoever. But when I try to access a service on another computer in the network the requests take minutes and minutes. (E.g. I can see source of my GWT-app main page, but loading additional CSS and JS files takes years.) If anyone could recommend any further diagnostics I should do to figure out what is happening it would be great. Few notes: happens with more services (web-app on Tomcat, viewing directory index via Apache) it does not make a difference whether the service is hosted on wired or wireless PC accessing the service on a localhost works fine turning off firewall on the target PC does not make difference either (makes sense) when I replace this router with the old one (both 192.168.1.1) everything works fine I see nothing suspicious in the router's log I believe I have the latest firmware (4.11) DIR-615 sucks, it already died once completely Regards Jarda Z.

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  • Why are my Google and Bing search result pages locking up?

    - by Cyberherbalist
    I've got some really weird behavior going on. I can't do any web searching using Google or Bing because when the search result page shows up, every single link on the page is completely unresponsive. That is, every link to a search result. The links to page functions other than search results work fine. This happens in both IE9 and FF13. It doesn't happen to Yahoo! results, though. Any ideas?

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  • Arch Linux shows a blinking cursor instead of a booting installer

    - by fakedrake
    Arch Linux shows a blinking cursor instead of a booting installer. I ran sudo dd if=archlinux-2010.05-core-i686.iso of=/dev/sdb1 and checked the MD5 sums. I tried to boot it on two different PCs and got the same result: instead of booting GRUB — or anything useful, for that matter — it just showed a blinking cursor at the top left corner of the screen. The machines became unresponsive to any kind of input, the flash drive LED didn't seem to blink or shiver at all and there seemed to be no other activity whatsoever. I tried using another flash drive, but the machine completely ignored it, booting Windows "normally."

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  • Do I need to run a verfication on LTO tape backups even though the drives themselves perform verification as they write?

    - by ObligatoryMoniker
    We have an LTO-3 Tape drive in a Dell media library that we use for our tape backups. The article about LTO on Wikipedia states that: LTO uses an automatic verify-after-write technology to immediately check the data as it is being written, but some backup systems explicitly perform a completely separate tape reading operation to verify the tape was written correctly. This separate verify operation doubles the number of end-to-end passes for each scheduled backup, and reduces the tape life by half. What I would like to know is, do I need my backup software (Backup Exec in this case) to perform a verify on these tapes or is the verify-after-write technology inherent in LTO drives sufficient? I would also be curious if Backup Exec understands the verify-after-write technology enough to alert me if that technology couldn't veryify the data or will it just ignore it making it useless anyway since even if the drive detecs a problem I would never know about it.

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  • Exchange Management Console Listing Extra Servers

    - by Zak G
    I recently decommissioned an Old Exchange 2003 server. Prior to the decommissioning, the environment consisted of 2 EXCH 2010 and that one EXCH 2003 server. I went through all the steps listed in Microsoft documents and online in how to remove the server completely (pruning the AD and all that jazz). When I go to Exchange Management Console it still lists 3 total servers in the "Server Summary" column in the Organizational Health tab. When I click manage servers, it only lists the 2 EXCH 2010 servers. I am aware this is only a cosmetic issue but I would appreciate it if anyone can share some advice on how to fix the issue.

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  • does the *physical* order/location of drives in a mdadm-managed RAID-10 array matter?

    - by locuse
    i've setup a 4-drive RAID-10 array using mdadm-managed, software-raid on an x86_64 box. it'd up & running and works as expected, cat /proc/mdstat md127 : active raid10 sdc2[2] sdd2[3] sda2[0] sdb2[1] 1951397888 blocks super 1.2 512K chunks 2 far-copies [4/4] [UUUU] bitmap: 9/466 pages [36KB], 2048KB chunk atm the four SATA drives are physically plugged into the motherboard's 1st four SATA ports. i'd like to gather the necessary/complete info for catastrophic recovery. reading starting here, http://neil.brown.name/blog, and the mailing list, i'm not yet completely confident i have it right. i understand 'drive order matters'. is that logical, &/or physical order that matters? if i unplugged the four drives in this array, and plugged them each back into different ports on the motherboard or a pci card, as long as i've changed nothing in software config, will the array correctly auto-re-assemble?

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  • How do I remove/uninstall a corporate VPN?

    - by Metro Smurf
    I have a corporate VPN installed on one of my Windows XP systems that I'd like to completely uninstall. There are no programs listed in the add/remove programs dialog matching the corporate VPN name or similar. I can find the VPN being launched from here: C:\Documents and Settings\All Users\Application Data\Microsoft\Network\Connections\Cm\<Company Name> I can see the VPN connection under network connections: Name Type Device Name Connection Manager ------------------- Connection to <Company Name> Connection Manger WAM Miniport (PPTP) Do I just need to delete the connection from Network Connections? And delete the directory? Or?

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  • SQL Management Studio is painfully slow on 32-bit Windows 7

    - by Sergei
    I've been having issues running anything in SQL Management Studio on Win 7. Basically, doing anything through the Management Studio interfaces completely freezes it up for a few minutes. Running a query is nearly impossible because it takes nearly 2 minutes just for the IDE to parse it and another minute to run it when the query itself completes instantaneously outside of the IDE. I'm not even going to go into the query designer. Anything with heavy user interaction such as editing a row in the result set where i have to click a cell freezes up the front-end. I tried reinstalling to no avail. Also tried running in compatibility mode without any difference whatsoever. Anybody had a similar experience? I'm running SQL Management Studio 2008 version 10.0.2531.0 on 32-bit Windows 7. Connecting to a remote SQL Server instance (2008 R2). Thanks.

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  • Boot to VHD backup plan

    - by Josh Barker
    I have a machine that I just reinstalled Windows and all of my applications onto... what a chore that is. I want to totally and completely avoid this from now on by creating an image. My first thought was to see if it possible to copy a VHD file when you are booted into it since I am using Windows 7 Ultimate as boot-to-vhd (without a parent machine). Is this possible and if so, how could I accomplish this? Keep in mind, this is my personal machine and I'm trying to keep things inexpensive (a good script would work). Thanks, Josh

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  • How to keep Varnish cached populate after backend down for an extended period?

    - by Nicholas Tolley Cottrell
    We have Varnish 3.0.2 running on Amazon's Linux and it works great. We have a ttl of 48 hours for most content pages and much longer for images, PDFs etc. This weekend we've taken the backend down for some maintenance, so I upped the ttl to 5 days earlier in the week. I had assumed that anything in cache would continue to be served for up to 5 days, but much to our disappointment we checked varnishstat this morning and the cache was almost completely empty and varnish was serving "page not found" messages. I know that this is not what Varnish is designed to do, but why would it reset its cache when the backend is down? And how can I prevent it for next time?

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