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• mysql settings - using the available resources

  - by Christian Payne

  I've got a lot of processing work I need to run on a mysql server. I've installed mysql 5.1.45-community on a Win 2007 64bit. Its running on a xenon, 3ghz 6 processors with 8 gig ram. It doesn't seem to matter what queries I run (or the number I run at the same time), when I look in task manager, I'll see one processor is out at 100%. The other 5 are idol. Memory is static at 1.54 gig. When I installed mysql, I used the wizard and selected the default "server" (not workstation) option. I feel like I should be getting more bang for my buck. Is there something else I should be monitoring or something I should change to use the other system resources???

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• Windows XP boot: black screen with cursor after BIOS screen

  - by Radio

  Here is a weird one, Got computer with Windows XP. It's getting stuck on a black screen with cursor blinking. What did I do: - Boot from installation CD (recovery option - command line): chkdsk C: /R copy D:\i386\ntdetect.com c:\ copy D:\i386\ntldr c:\ fixmbr fixboot Chkdsk showed 0 bad sectors and no problems during scan. dir on C:\ shows all directories and files in place (Windows, Program Files, Documents and Settings). BIOS shows correct boot drive. Still does not boot. Not sure what to think of. Please help. UPDATE: Just performed these steps: Backed up current disk C: (without MBR) using True Image to external hard drive Ran Windows XP clean installation with deleting all partitions and creating new one. Hard drive booted fine into Windows GUI installation!!! Then: Interrupted installation. Booted from True Image recovery CD and restored archive of disk C to an new partition. Same issue with black screen.

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• mysql my.cnf ignored

  - by mr12086

  [issue] I'm trying to modify a my.cnf value on my production server but the changes aren't taking effect after a sudo service mysql restart, using an exact copy of the my.cnf (downloaded and replaced original) on my development server the changes made are visible from show variables in mysql commandline. my.cnf is located at /etc/mysql/my.cnf sudo find / -name my.cnf /etc/mysql/my.cnf So only one file exists on the entire system.. Production is ubuntu 10.04 LTS 64bit Development is ubuntu 11.10 32bit Mysql versions are 5.1.61 & 5.1.62 respectively. Kind Regards, [my.cnf] yes it seems to have had all the comments removed and replaced with whitespace. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] user = mysql socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp skip-external-locking bind-address = 127.0.0.1 key_buffer = 16M max_allowed_packet = 16M thread_stack = 192K thread_cache_size = 8 myisam-recover = BACKUP query_cache_limit = 1M query_cache_size = 16M log_error = /var/log/mysql/error.log expire_logs_days = 10 max_binlog_size = 100M innodb_file_per_table = 1 [mysqldump] quick quote-names max_allowed_packet = 16M [mysql] [isamchk] key_buffer = 16M !includedir /etc/mysql/conf.d/

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• pfSense + DDoS Protection

  - by Jeremy

  I run a gaming community on a colo with a 100Mbps port. I want to buy a very cheap 35 dollar server with the same 100Mbps port, and run pfSense to use as a hardware firewall. I'm dealing with a bunch of 14 year old kids that have access to botnets, so it can become a bit necessary to get something like this. My overall question, is using pfSense on a cheap identical datacenter/port speed server worth it to actually block DDoS attacks? A bit more into detail since I assume you will ask this, the attacks we receive are normally around 1Gbps. We currently run CentOS using CSF Firewall, and even when using a software firewall, we block 500Mbps UDP floods, or just generic attacks pretty easily. Thanks, - Necro

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• using python Paramiko for ssh: sudo: no tty present and no askpass program specified

  - by misteryes

  I want to use paramiko to ssh into a bunch a remote nodes and run some command line with root priviledge I have ssh key in my home directory and so i don't need to input password when I ssh into those remote nodes but when running the following script: def connect(hostname): ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect(hostname, username='niky', pkey=paramiko.RSAKey.from_private_key(open('id_rsa'), 'passwd'), timeout = 240.0) return ssh def run(hostname): ssh = connect(hostname) (stdin, stdout, stderr) = ssh.exec_command("sudo ls") res = stderr.readlines() print hostname+': '+''.join(str(elem) for elem in res)+'\n' run(remote.nity.com) I got the following error: remote.nity.com: sudo: no tty present and no askpass program specified if I don't add sudo before ls everything works fine what are potential reasons ? thanks!

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• Can the Gimp split an image into multiple images?

  - by Manu

  I've been scanning a lot of photos recently, more than one at a time. I now have multiple jpegs, each containing multiple photos. Can I, using Gimp, "split" a jpg into 3 smaller files ? What I used to do is : copy the jpg 3 times, and crop a different picture in each copy. There must be an easier way to do this ! EDIT : Is there a plugin that can do that ? I've looked around, but only found plugins that "cut" an image into pieces of equal size.

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• Windows 2000 Inaccessible Boot Device

  - by Foo_Chow

  I am working with a machine that had its motherboard die. The machine is running Windows 2000 for legacy software. After the motherboard died I used disk2vhd to perform a physical to virtual transfer. The drive data seemed to copy over to the vhd file well. However, whenever i try to boot I get a message saying Inaccessible Boot Device So far I have tried several things to fix it. fixMBR fixBoot chkdsk windows 2000 automated repair Also, I have attempted to open the registry of the vhd without any success. There is another fix that i have seen suggested that requires editing the registry. Is it possible to open a Windows 2000 hive in another OS or another copy of Windows 2000? One other thing to note is that the error appears in all of Virtual PC 2007, Hyper-V and VMWare Player. Does anyone know how to get past this?

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• Mac OS X CD ripping speed

  - by SlimSCSI

  I am using vobcopy (installed via macports) to rip DVDs on a mac. I have been doing this for a while on linux with no problems. On the mac however, it is VERY slow. I am guessing that somehow the DVD drive is being limited to 1x in order to keep noise and power consumption down during playback. Is there a way to over ride this? Update: It is MUCH slower than 1x. It has taken me about an hour to copy 300MB Notes: While I appreciate all suggestions, I am not looking for "Have you tried HandBrake?". I am looking for a solution to copy the contents of a DVD, not transcode them. Also, I am launching vobcopy from an apple script that gets executed on DVD insertion, so a GUI solution is not desirable.

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• adding mongo to path

  - by Mike

  Bit of a noob question. I have downloaded MongoDb and installed it here /Users/mike/downloads/mongodb In order to start it, I then have to 'cd' into the 'bin' /Users/mike/downloads/mongodb/bin and run ./mongod (to start the database) and ./mongo (to start the mongo shell) The problem is that I can only work with python and ruby scripts using the mongo shell if I have those scripts stored in the same bin directory, and I don't think that's the ideal set up. Will exporting the path allow me to access mongo from outside the bin? For example, I would prefer to have my ruby scripts in /sites/ruby and be able to access mongo by starting ruby in /sites/ruby. If exporting to path is the solution, how do I do that. I'm using a mac

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• Setting properties in chef-client.rb

  - by Stephen C

  I have a use-case where a chef recipe needs to use 'remote_file' to fetch a file on a virtual, and the fetch needs to be do through an HTTP proxy. This is not working because chef-client doesn't use the system proxy settings ... it gets its proxy settings from the /etc/chef/chef-client.rb So how do I get proxy settings (or settings in general) into the chef-client.rb file on a client? Ideally, I'd like it to happen at client bootstrap time, but I can't see how to do that short of hacking the code. The other possibility is that I could create a recipe that updates the chef-client.rb file. But that strikes me as a bit dangerous. And it means that you need to run chef-client twice before it works, assuming that the missing proxy setting in the first run causes the run to ultimately fail. Any ideas on how to fix this?

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• Right-button drag-drop function in Gnome

  - by HorusKol

  While I don't really miss the annoyances that go with working on Windows, one thing I do wish I had in Gnome is the ability to hold the right-mouse button down on a file and drag it to get the context menu asking if I want to move or copy the file. I realise the default tries to be sensible (like in Windows - defaults to move if on the same volume, or copy if on different) and that it can be overridden with <ctrl> or <shift> - but i'm still used to the right-mouse drag option and keep getting frustrated when it doesn't work...

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• Managing two domains in one virtual server [on hold]

  - by Buddhika Ariyaratne

  I have a virtual server with Windows Server 2012 on which I need to run two applications for two separate customers. Both applications run on GlassFish in port 8080. The applications run on http://localhost:8080/roseth and http://localhost:8080/ruhunu My virtual server provider has given three IP addresses. How can a I assign one address for each application. For example, if a user type www.ruhunu.org, an arbitrary URL , I want to direct to http://localhost:8080/ruhunu and www.roseth.org to http://localhost:8080/roseth.

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• Use Web Browser (Google Chrome or Firefox) to Open Web Sites from a List in File

  - by MMA

  I have a (text) file containing a list of web site addresses. I know that I can open the file in an editor and then copy-paste the addresses to the browser address bar. That means, if I have ten addresses in that file, I will need ten copy-paste operations, which must be tedious. But is there a way to ask the browser (preferably Google Chrome or Firefox) to open all of them in one go in different tabs? I am using Ubuntu, if that is related in any way to the solution you provide.

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• Named ports in windows!

  - by Jay

  I wonder how stuff like this works in windows (xp and other that have telnet): Start-> Run -> cmd -> telnet <xyz.com> http Start-> Run -> cmd -> telnet <xyz.com> pop3 Start-> Run -> cmd -> telnet <xyz.com> smtp Are these "named" ports? Only windows knows that it has to substitute port numbers coz these are standard ports? Is there way I could create such a named port on windows? I would like something like this : telnet <xyz.com> oracle to translate to telnet <xyz.com> 1521

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• What are the benefits of running chef-server instead of chef-solo?

  - by strife25

  I am looking at automated deployment solutions for my team and have been playing with Chef for the past few days. I've been able to get a simple web app up an running from a base Red Hat VM using chef-solo. Our end goal is to use Chef (or another system) to automatically deploy application topologies to the cloud as we run builds. Our process would basically run like so: Our web app code, dependencies, and chef cookbooks are stored in SCM A build is executed and greats a single package for images to acquire and test against The build engine then deploys new cloud images that run a chef client to get packages installed. The images acquire the cookbooks from SCM or the Chef server and install everything to get up and running What are the benefits and/or use cases for getting a Chef Server running? Are there any major benefits to have a Chef Server hold and acquire the cookbooks from SCM vs. using chef-solo and having a script that will pull the cookbooks from SCM?

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• Error installing Arch Linux

  - by Garethj94

  So, I am trying to install Arch Linux on my Acer Aspire 4830tg, but I keep running into problems. Some background knowledge, I am trying to install Arch off a usb stick and I got the iso image using bittorrent. I am also trying to install it alongside of Windows 8 (which is already installed). So when I boot into Arch linux I get this error: :: Mounting '/dev/disk/by-label/ARCH_201212' to 'run/archiso/bootmnt' Waiting 30 seconds for device /dev/disk/by-label/ARCH_201212 ... ERROR: '/dev/disk/by-label/ARCH_201212' device did not show up after 30 seconds... Falling back to interactive prompt You can try to fix the problem manually, log out when you are finished sh: can't access tty; job control turned off I know that it will work if I run it on a virtual machine but whenever I try to install it on my laptop I keep getting this error. And since you can't register for the Arch forums without a Arch terminal to run their captcha command I can't ask this on their forums.

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• Running scripts from another directory

  - by Desmond Hume

  Quite often, the script I want to execute is not located in my current working directory and I don't really want to leave it. Is it a good practice to run scripts (BASH, Perl etc.) from another directory? Will they usually find all the stuff they need to run properly? If so, what is the best way to run a "distant" script? Is it . /path/to/script or sh /path/to/script and how to use sudo in such cases? This, for example, doesn't work: sudo . /path/to/script

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• VSS error 12293 after system disk clone (Win2003)

  - by carlpett

  Hi! After cloning a windows 2003 installation from a single drive onto two mirrored drives using Acronis Disk Director, VSS no longer works, filing events 12293 and 7001 when trying to use backup tools, and additionally giving error 0x8004230f when accessing the Shadow copy tab of disk properties. I've google-researched this quite throughly, and found a suggested fix[1]: replacing the MBR signature of the disk. This would cause windows to invalidate old shadow copy information, which supposedly would make it all work again. However, I am a bit nervous over this... Is there a possiblity of messing this up somehow, because of the mbr originating from a single disk install, and now residing on a raid mirror? Has anyone here had this problem and solved it? This method or another? [1] http://kb.backupassist.com/articles.php?aid=2971 (under header Resolution 2)

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• Plugin 'InnoDB' registration as a STORAGE ENGINE failed. On win 7

  - by NimChimpsky

  I have had to reinstall MySQL, however the service is failing to start with the above cause listed in evnt viewer. One solution is apparently to delete a couple of files prefixed with 'ib_logfile' which represent any old databases. However I do not have these files, and my service is still failing to start ... ? When I say I don't have these files I did a search using the windows search with zero results, and they are definitely not present in my mysql install directory. And I don't have the "documents and setting/appilcation data' folder referenced in link. In fact I only have only one mysql install directory, I know where that is - what do I need to delete/change ? The instance is configured OK, I ran that as administrator and it is listed in services, but the service itself fails to start Any tips, other than going over to postgresql ?

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• Songs/Movies are not being played

  - by romilnagrani

  Hi the problem i am facing is very odd. None of my songs (.mp3/.avi etc) are not able to run in any of the media players: Windows media player, Windows media center, VLC, DIV etc. What i have done before posting the question here. a. Check Device and Drivers and they are working OK and Updated even. b. Run Sample Audio (Downloaded from Internet) in Adobe Sound-booth and it worked. c. Plus i run a video in YouTube and i was able to hear it! d. I am able to hear windows Error Beeps too..!!! e. While running Movies i could see playing but not hear it What could be the problem? please help thanks...

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• Songs/Movies are not being played

  - by romilnagrani

  Hi the problem i am facing is very odd. None of my songs (.mp3/.avi etc) are not able to run in any of the media players: Windows media player, Windows media center, VLC, DIV etc. What i have done before posting the question here. a. Check Device and Drivers and they are working OK and Updated even. b. Run Sample Audio (Downloaded from Internet) in Adobe Sound-booth and it worked. c. Plus i run a video in YouTube and i was able to hear it! d. I am able to hear windows Error Beeps too..!!! e. While running Movies i could see playing but not hear it What could be the problem? please help

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• Songs/Movies are not being played

  - by romilnagrani

  Hi the problem i am facing is very odd. None of my songs (.mp3/.avi etc) are not able to run in any of the media players: Windows media player, Windows media center, VLC, DIV etc. What i have done before posting the question here. a. Check Device and Drivers and they are working OK and Updated even. b. Run Sample Audio (Downloaded from Internet) in Adobe Sound-booth and it worked. c. Plus i run a video in YouTube and i was able to hear it! d. I am able to hear windows Error Beeps too..!!! e. While running Movies i could see playing but not hear it What could be the problem? please help

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• Apache port forwarding with ZTE ZXV10 W300 router (provider specific firmware)

  - by dannote

  I'm trying to configure port forwarding for Apache 2.2 installed on Windows XP SP3 with ZTE ZXV10 W300 router. The computer has a static IP 192.168.1.2. Port forwarding is configured as following: Enable true Name Apache Protocol TCP (also tried TCP and UPD) WAN Host Start IP Address empty WAN Host End IP Address empty WAN Connection stream WAN Start Port 8080 WAN End Port 8080 LAN Host IP Address 192.168.1.2 LAN Host Start Port 8080 LAN Host End Port 8080 Port 8080 is open for both TCP and UPD in Windows Brandmauer. Apache configuration: Listen 192.168.1.2:8080 Router Firmware: Hardware Version V1.0.01 Software Version V8.0.02T03_CFA Boot Loader Version V1.1.2 The provider is COMSTAR. I'm not sure but it's said they flash routers with modified firmware. I have also tried to set up Bitcomet port forwarding on port 13514 and failed.

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• How to re-add a missing font

  - by WEFX

  I recently upgraded from Office 2007 to 2010, and that went fairly smoothly. However, afterwards, my Calibri font was gone, so my Word and Outlook started using the next available font in the list... Comic Sans! I browsed to Control Panel Fonts, and saw that there was no longer a Calibri listing. I know that one way to recover a missing font is to just copy the missing font files from another computer. In my case, the four files I needed were: calibri.ttf, //regular calibrib.ttf, //bold calibrii.ttf, //italics calibriz.ttf, //bold and italics However, once I attempted to copy-and-paste these files to my computer, I realized these files were already on my problem computer; they never really got erased. I don't know why they aren't working in Office, and they aren't listed in Control Panel Fonts.

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• Windows Security Center Service is missing

  - by TheTub

  I am trying to fix a Windows 7 machine here that has been infected with all kinds of Malware. I have removed all of them as far as I can see but I am stumped by one last task. One little bugger managed to remove the Windows Security Center service from the list of Windows services. So I cannot start it or set to automatically start. At the moment I cannot get the Windows firewall to turn on or any anti-virus software. The security center shows the following image when I try: Does anyone know how to add this back to the list of services so I may set it to start. I don't have a backup of the registry for this computer (it's not mine). Many thanks TT

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