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• HOW TO RECOVER A WWW DIRECTORY AND INCLUDED FIELS IN UBUNTU 9.04

  - by Al Mubarak

  hai., i'm using ubuntu 9.04 for drupal development. today morning accidentally i removed my www folder in directory. the folder has so many of my web development documents. O God., I just restart after my system when it happens., and i install some recovery software like gpart. is theri any possibilities to recover my www directory and files., bcos its includes more of web development documents. pls pls pls i'm very afraid about that issue. let me know asap. Thanks in Many more advance,

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• Hiera + Puppet classes

  - by Amadan

  I'm trying to figure out Puppet (3.0) and how it relates to built-in Hiera. So this is what I tried, an extremely simple example (I'll make a more complex hierarchy when I manage to get the simple one working): # /etc/puppet/hiera.yaml :backends: - yaml :hierarchy: - common :yaml: :datadir: /etc/puppet/hieradata # /etc/puppet/hieradata/common.yaml test::param: value # /etc/puppet/modules/test/manifests/init.pp class test ($param) { notice($param) } # /etc/puppet/manifests/site.pp include test If I directly apply it, it's fine: $ puppet apply /etc/puppet/manifests/site.pp Scope(Class[Test]): value If I go through puppet master, it's not fine: $ puppet agent --test Could not retrieve catalog from remote server: Error 400 on SERVER: Must pass param to Class[Test] at /etc/puppet/manifests/site.pp:1 on node <nodename> What am I missing? EDIT: I just left the office but a thought struck me: I should probably restart puppet master so it can see the new hiera.conf. I'll try that on Monday; in the meantime, if anyone figures out some not-it problem, I'd appreciate it :)

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• DNS Server (2008 r2) MMC The server DC01 could not be contacted. The error was: Access was denied

  - by Silviu-Ionut Radu

  I've just migrated the AD with the whole nine yards, FSMO, PDC, RID, Schema, etc, from an SBS 2003 to a Win 2008 R2 Std. I have managed to have no error in the dcdiag before I demoted the SBS 2003 from the AD, fsmocheck, conectivity, advertising, dns, etc. The SBS 2003 demoted successfully. After this step I have restarted both, the old SBS and the new Win 2008 r2. After restart the new DC (which is the GC) started with an Access denied to the DNS Server MMC, actually it is looking like I would try to connect to the 2008 r2 DNS server from an older server console I can NOT manage DNS server through MMC nor through dnscmd (Command failed: ERROR_ACCESS_DENIED 5 0x5) I cannot even use the Action Option from the DNS Server MMC because all the options are DISABLED but for "Launch nslookup". I've made a lot of research on the internet but no luck, yet. So I come to ask for help. Thank you very much.

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• How to set up memcached to use unix socket?

  - by alfish

  While I could use memcached on Debian to use the default 11211 port, but I've had great difficulty setting up unix socket, Form what I'v read, I know that I need to create a memcache.socket and add -s /path/to/memcache.socket -a 0766 To /etc/memcached.conf and comment out the default connection port and IP, i.e. -p 11211 -l 127.0.0.1 However, when I restart memcached I get internal server errors on Drupal site. I'm trying to implement unix sockets to avoid TCP/IP overhead and boost overal memcached performance, however not sure how much performance gain one can expect of this tweak. I appreciate your hints or possibly configs to to resolve this.

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• Cannot ssh anymore into FreeBSD 7.2 home server

  - by Gabi

  Somehow sshd stopped running and no amount of start, restart or onestart will make it go again. I normally ssh into it from a dual-boot laptop computer that shows up on the network as gabi-buntu when running Ubuntu Karmic, and as gabi-pc when running Windows XP Pro. Neither my Putty connection nor the Linux terminal can establish a ssh link anymore. Upon rebooting the server, I am greeted with "/etc/rc: WARNING: run_rc_command: cannot run /usr/sbin/sshd". In addition, a message will appear saying things like rpc.statd: failed to contact host gabi-buntu RPC: port mapper failure RPC: timed out Everything else works fine. The FreeBSD 7.2 box runs a print server, a Samba server, and an Apache server for the home wiki, via https. It also serves up NFS shares for Linux clients. Any suggestions? Thank you, Gabi Huiber

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• Trouble Connecting to Virtual Machine after IP address Change

  - by David

  I have a VMware image running a copy of Fedora 11 which is hosted on a remote server. The remote server recently had its IP address change. I'm now unable to connect to my virtual machine. The server admin assures me that my virtual machine is running and assigned the new IP address. I have checked the firewalls and had the remote admin restart the VM instance. Neither of these fixed the problem. How do I troubleshoot a remote server which I am unable to SSH to? I'm actually even unable to ping the remote IP (connection timed out).

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• kernel openvpn segfault

  - by Rex

  e.. I have some trouble about OPENVPN these days.. At first,I find that the OPENVPN is always down. Then I try to restart it.But after a short while,It's down again. Then I check /var/log/messages and find something below openvpn[4338]: xxx.xxx.xxx.xxx:48484 Re-using SSL/TLS context openvpn[4338]: xxx.xxx.xxx.xxx:48484 LZO compression initialized openvpn[4338]: xxx.xxx.xxx.xxx:48484 [abc.abc_] Peer Connection Initiated with xxx.xxx.xxx.xxx:48484 kernel: openvpn[4338]: segfault at 0000000000000018 rip 00002b75ca30ca2e rsp 00007fff153806a0 error 4 Obviously,OPENVPN is Down. So,I just want to know what's wrong here..... P.s. The username should be abc.abc.But it shows that is abc.abc_ Is there something wrong? CentOS 5.4 x64 Linux 2.6.18-238.9.1.el5 My English is very pool... :( Thanks~

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• "Slave" user accounts in GNU/Linux

  - by Vi

  How to make one user account to be like root for some other user account, e.g. to be able to read, write, chmod all it's files, chown from this account to master and back, kill/ptrace all it's processes and to all thinks root can, but limited only to that particular slave account? Now I'm simulating this by allowing "master" user to "sudo -u slaveuser" and setting setfacl -dRm u:masteruser:rwx ~slaveuser. It is useful as I run most desktop programs in separate user accounts, but need to move files between them sometimes. If it requires some simple kernel patch it is OK.

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• System freezes for 5 seconds when seeking in or skipping to songs and videos

  - by pragmatick

  When I start playing a new video or MP3 or skip to a time when playing them, my system hangs for a couple of seconds. A restart solves this problem, but only for a while. It does not matter which player I use (VLC, Media Player, Winamp, Zoom Player), which media files or if they are located on a network drive or on the local hard drive. Everything else works flawlessly and after the playing has started, there are not problems - until I switch to another file. Additionally, when the Winamp playlist continues to the next song, the system does not hang. When I skip to the next song manually, the system hangs. I've been using Windows XP for years and consider myself a fairly professional windows user, but I have no idea what could cause this. Dual-core 2Ghz, 2GB RAM, Windows XP SP3, Audigy card with kxproject. Worked flawlessly for years. Would be glad if anyone could help.

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• Explorer hijacked by a trojan

  - by hsdb

  I managed to catch a newish trojan that my Anti virus program wasn't able to detect. I'm usually not that bad at technical stuff regarding computers but I really don't know what to do with this one anymore. The trojan somehow managed to get my Windows to recover it every time I try to remove it by deleting it's exe (called some weird name located in Programs "asdza/saddasn.exe" (example only)). It also sets an entry in my autostart. It starts a second explorer.exe and tries to connect to some server obviously trying to steal data. (glad I still have my firewall) How can I get rid of this trojan, I really need help. It is new and probably unrecognized by all major virus scanners.

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• Huge area of stuck pixels

  - by pixelady

  A toddler slammed down my laptop screen while an iPod was laying on top of the keyboard. The damage resulted in a massive area of stuck pixels on the laptop screen, approximately 2 inches by 10 inches in area. I've tried running various programs that rapidly flick the pixels in different colors, as well as massaging the screen with heat and also without heat. These are the standard methods I read about for fixing a stuck pixel. But none of the online articles I read said how to fix a huge area of pixels, not just single pixels. What else can I try to get the many pixels unstuck? My computer is no longer under warranty and I don't want to buy a new one.

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• TeamViewer: How to disable color dithering for low-bit-depth screen settings

  - by gogowitsch

  I am using Terminal Services and TeamViewer a lot to access other computers, partly over slow networks. The problem described below is not affected by which of the two remote access services I am using. When accessing Windows 7 Professional machines, a great deal of text is hard to read as the background is dithered. Even for exactly the same colors, Windows 2003 does not seem to dither at all, but to choose the closest available color. I strongly prefer the latter, as I don't care for the exact colors, I just want to be able to read easily. I am not sure whether this is operating system-related. The programs on the remote systems do not allow me to change the color choices for the various backgrounds to anything sane. Is there a way to disable this color dithering using some target operating system setting that will do the trick for both Terminal Services and TeamViewer?

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• Open a screen session inside a certain user on boot Ubuntu Server Linux

  - by Pez Cuckow

  I currently have a private server which I test my web apps on which runs Ubuntu Server 10.04 I also host a few game servers (rather than having wasted CPU time :-D) for some of my friends. These game servers I run in the game user account and each one has it's own screen session (so friends can ssh in and reboot the game server etc...). For example screen -R l4d2 runs ./start in the L4D2 folder. However if I reboot the server (which I have to do occasionally) all these sessions close and I have to manually create all the screen sessions and run the required games within them. Is there a way to set these screen sessions as Daemons or services or just boot on server start so they restart themselves on server reboot? I hope I have made my question easy to understand but feel free to ask questions! Many thanks,

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• How do I reassemble a zip file that has been emailed in multiple parts?

  - by Guy

  I received 3 emails each containing part of a zip file. The extensions end in .z00, .z01 and .z02. (Emailed as such to get around the typical 10Mb attachment limit per email.) I have put all 3 files into one directory. I can use both 7-zip and WinZip to open the first file (the .z00 file) and it lists the contents of the zip but when trying to extract the files both programs are reporting errors. What is the least error prone way of reassembling this zip and getting to the files?

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• Where is debian storing its network settings?

  - by user13743

  I have a debian machine that is supposed to have a static ip, but insists on getting its address from the DHCP server. Here's this settings file: $> cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug eth0 iface eth0 inet static address 192.168.1.99 gateway 192.168.1.1 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 Yet $> sudo /etc/init.d/networking restart Reconfiguring network interfaces...done. $> sudo ifconfig eth0 Link encap:Ethernet HWaddr 00:e0:03:09:05:2e inet addr:192.168.1.205 Bcast:255.255.255.255 Mask:255.255.255.0 ... Where is it being told to use dhcp?

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• Window 7 problem, Explorer.exe, DWM.exe

  - by Nitinzz

  I'm using Window 7 Ultimate. I get a problem with two processes, namely explorer.exe and sometimes dwm.exe. The two processes tend to use cpu between 20-30%. And it only occurs when i play some game on my PC. My PC works perfect until I play some game. And another important observation: They consume no cpu as such but only consumes when I try to refresh my desktop. I mean when I right-click on desktop. It takes seconds for refresh. I have no virus problems. I had already tried following things: Kill explorer.exe and relaunch from task manager. (Problem still persists) Kill dwm.exe, well it relaunches again. (Problem still persists) Log Off and Log On. (Problem still persists) Restart. Problem Solved. (But need an alternative). Can anyone kindly suggest some quick fixes to the problem?

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• MSTSC Not working, disconnects shortly after connecting

  - by F4r-20

  I'm currently having a problem connecting remotely to a server. It is a brand new build Windows 2008 R2, remote users are enabled. I'm trying to connect from a Windows 7 machine. Everytime I remotely connect to the server it will stay connected for a matter of seconds (maybe 3-5) and then disconnect and I get the standard old cannot connect and list of reasons it could be. Then I cannot connect again and get this prompt until I restart the server. As soon as it's finished restarting, it happens all over again. The network and hardware configuration between the two machines is completely reliable. Does anybody know what else I could try? Thanks.

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• How to avoid printing nearly blank pages?

  - by joelarson

  How many times have you printed an email just to have the last page be 2 or 3 lines of a person's signature (or worse, the "This is confidential" copy inserted by corporate mailservers)? How many times has the last page contained just the footer of the website? Does anyone know of a utility or print driver that can help avoid printing blank or nearly-blank pages? I am not looking for techniques for avoiding this in specific programs -- if I take the effort of doing print preview and then adjusting the pages to be printed, then of course I can avoid it. What I want something I can install that, whenever I push "Print" to any of the various printers I print to with my laptop, it automatically says "hmmm... I bet he doesn't really want that page which is 95% empty" and possibly prompts me to say "do you really want to waste paper on this?"

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• Dell Latitude E4300 TouchPad - Odd Behavior

  - by Cade Roux

  I'm seeing some intermittent behavior on the touchpad. First it wasn't working at all. Then during restart, for a little while it seemed like the buttons attached to the joystick and external mouse were both swapped left/right. Then I went in to the dell touchpad control and disabled the touchpad and re-enabled it and nothing happened. Then a short while after disabling the joystick the touch pad started working. So I restarted to see if it would keep the settings and before login, the touchpad appeared to work, then after login it stopped working for a few minutes while login continued. Then after the login was almost completed it started to work again. It appeared to have retained the settings for the disabled joystick. It seems like perhaps there are conflicting mouse drivers trying to simultaneously or similar. This doesn't seem normal for the touchpad to be disabled for so long after login. What steps should I take to ensure the drivers are right?

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• How do I set "MaxPermSize" for Atlassian Fisheye/Crucible running as service on Win2k3?

  - by Jeremy

  I have been trying to setup Atlassian Fisheye/Crucible as a service on Win 2K3 R2 for two weeks. I keep getting various "java.lang.OutOfMemoryError: PermGen space" errors, which crash Fisheye and force me to restart the service. I've followed the example on the Atlassian support site to configure MaxPermSize within the service wrapper. However, when I check SysInfo inside the Fisheye Admin pages and the debug log, I don't see any confirmation. The Java Heap info is in both places, so I'd expect the MaxPermSize setting to show up in both places. The error is persisting and Atlassian support has been little help. I appreciate any help.

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• Windows 7 Green Load Bar Stuck and never finish loading,

  - by Levan

  Here is my issues, which i am currently having, in my windows 7, When i go to one specific folder, .Please take a look, This is not my file, but just to get an idea, there is 10 file max no more than 500 MB, i am not able to remove it, or cut it, or move it, it starts that green bar loading and never finish, The problem is, after getting into this folder, my SONY VAIO starts, overheating and if i did not restart, nothing can stop it to be cool down . I have reinstalled windows 2 weeks ago, i don't think this should be issue regarding it. Please, help me what the hell i should do with this GREEN BAR< to stop this headache,

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• How to automatically resume php-fpm?

  - by alfish

  I am using nginx+php-fpm on Debian Squeeze for a busy server and have had great difficulty to deal with maximum connections being reached. Here the problem is that php processes sometimes just die randomly under high load and leave the server with no php process. Then I need to manually restart php5-fpm service to bring back the server to life. I am wondering how to avoid this to happen, or at least treat the symptoms by restarting the php5-fpm automatically whenever there is not php process left to listen to incoming requests. My relevant configs are: pm = dynamic pm.max_children = 1400 pm.start_servers = 10 pm.max_spare_servers = 20 pm.process_idle_timeout = 1s; #not sure it will be useful when pm=dynamic pm.max_requests = 100000 request_terminate_timeout = 30 I appreciate your suggestions to cope with this nasty problem.

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• Generic tool to configure startup applications on Unix

  - by srid

  Is there an automated deployment tool that manages startup applications on a variety of machines, especially the Unices? Or is the only hope to study the nuts and bolts of each Unix (osx, linux, solaris, hpux, aix) on how to configure applications to launch on system startup? I want to run them as a specific user, instead of root. At the moment, I run them all within a screen session .. which is a hassle, as this requires manual intervention every time the machine is rebooted for some reason. Ideally, I am looking for a tool that would read, say, ~/.startup-programs which file contains, on each line, the command line to launch the needed daemons. And this tool should work on OSX, Linux, Solaris, HPUX and AIX ... writing the appropriate startup scripts for each platform.

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• MacPro will freeze after first startup and first time screen saver activates

  - by Rob Segal

  I've run into a bizarre situation every time my MacPro first starts up in the morning when I get to work and the screen saver activates for the first time. When I try to deactivate the screen saver hitting the keyboard or mouse nothing will happen. At best I will get one of the following... Able to move the mouse but clicking does nothing Login prompt will show up but typing on the keyboard does nothing At worst the screen will be fully locked. In all cases I will have to reboot my machine to get it to work again. After this initial restart the machine is fine for the rest of the day. Anyone encountered something like this before?

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• How do i enable deflate on apache2? debian

  - by acidzombie24

  I looked at the other answers and those solutions did not help. I am completely confused how to do this. I know almost nothing about apache nor how to use it and nearly all the article say write this but doesnt tell me where. So far i have done this # a2enmod deflate Module deflate already enabled Then i tried writing this in httpd.conf AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css Then i wrote a longer version which involved deflate.c. After those didnt work i deleted them all and wrote the AddOutputFilterByType line in apache2/sites-enabled/000-default inside of I used this to test http://www.whatsmyip.org/http_compression/ everytime it says no compression. I used another site but i could never compress. Also i restart the server everytime i save a file so what could be the problem and how do i enable this properly?

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