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• Mindtouch with fcgid - Fast CGI apache worker thread.

  - by Stephan Kristyn

  Anyone got Dekiwiki / Mindtouch running with fcgid-module? I get 504 and 500 all the time. mod_fcgid: can't apply process slot for /var/www/html/dekiwiki/index.php [Tue Dec 28 06:14:03 2010] [warn] (104)Connection reset by peer: mod_fcgid: read data from fastcgi server error. [Tue Dec 28 06:14:03 2010] [error] [client 92.75.107.53] Premature end of script headers: index.php I'm currently fiddling with SuExec and fast-cgi wrapper directory permissions, because I also employ a chrooted SFTP jail. Sometimes the first line about the process slot does not appear now. I found a solution in german and will work it through now. http://debianforum.de/forum/viewtopic.php?f=8&t=122758&start=15

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• Set-up SSHD to handle multiple key pairs.

  - by Warlax

  Hey guys, I am trying to set up my sshd to accept users that do not have a system user account. My approach is to use DSA public/private key pairs. I generated a key pair: $ ssh-keygen -t dsa I copied id_dsa.pub to the server machine where sshd runs. I appended the line from id_dsa.pub to ~/.ssh/authorized_keys of the single existing system user account I will use for every 'external' user. I tried to ssh as the 'external' user into the machine where I set-up the authorized_keys and failed miserably. What am I missing here? Thanks.

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• iWork '09 Keynote: is there is straightforward way to 'dim' and 'highlight' each item in a bullet li

  - by doug

  I have a bullet list on a slide: first item second item third item What I want to do is show those three bulleted items in a sequence like this: first bullet appears first bullet dims second bullet appears second bullet dims third bullet appears third bullet dims In other words, only one bullet is shown at a time (the one i am current discussing) to reduce audience distraction by what comes next or what i just finished discussing (the prior bullet). This is such a common thing to do, there's got to be a simple, reliable way to do it. The only way I know of is to configure the items individually (using "Build In" and "Action" on each bullet item, which is not only slow but doesn't work well). Another way i've found--which, again is very slow--is to create my bullet list not by selecting a bullet list, but to build the list manually with text boxes (one bullet item per text box) then line them up as a list. This way it's easier to manipulate them independently--again though, takes way too long to do one slide this way.

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• Cannot connect remote mysql, Cpanel?

  - by BerkErarslan

  I use centos and cpanel I need to use remote mysql with php. I add the ip which I try connect to server to "Remote Database Access Hosts" on Cpanel. However, when I try to connect server with this code: <?php $link = mysql_connect("server_ip", "xxx", "xxx") or die(mysql_error()); $db = mysql_select_db("xxx", $link) or die (mysql_error()); print_r($db); I have error like this: Warning: mysql_connect() [function.mysql-connect]: Can't connect to MySQL server on 'xxxx' (10060) in C:\AppServ\www\test.php on line 3 Can't connect to MySQL server on '94.138.204.234' (10060) I also try to connect using "server_ip:3306" but it still doesn't work. How Can I solve this problem ?

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• Install php-fpm + php-mysql + MariaDB on Centos from repos

  - by Alexander

  I try to take CentOS 6.4 x64 and install nginx w/ php-fpm on it (and that's easy part, no problem at all), then add php-mysql package and MariaDB as a mysql drop-in replacement. And here I face the hang... I've added epel, nginx and remi repos, add priority=10 line to its .repo files, and now as I install MariaDB-server the dependency also brings me MariaDB's "common" package. Then, as I try to install php-mysql, I see file /usr/share/mysql/french/errmsg.sys from install of MariaDB-server-5.5.27-1.x86_64 conflicts with file from package mysql-libs-5.5.28-1.el6.remi.x86_64 warnings. If I deinstall MariaDB server, I'm able to install mysql-libs and php-mysql, but it won't allow me to install MariaDB later. Is there any way to escape that (infinite) loop? I believe the solution is simple but still can't see it. Please help to install php-fpm + php-mysql and MariaDB as DB server!

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• How do I enable SELinux when booting a ramdisk from a CD/DVD?

  - by JeffG

  I have a bootable DVD which boots the same Kernel as the Hard Drive (which uses SELinux). I have copied /etc/selinux and all kernel modules to my ramdisk, and have tried various combinations of selinux=1 and selinux 1 with enforcing 1 and enforcing 0. as Kernel boot parameters. All files contained in the checkpolicy, libselinux, policycoreutils, selinux-policy and selinux-policy-targeted rpms have also been copied into the ramdisk tree. After the system boots from the ramdisk, I check dmesg: % dmesg | grep -i selinux Kernel command line: initrd=idrd.img ramdisk_size=110476 selinux=1 SELinux: Initializing. SELinux: Starting in permissive mode selinux_register_security: Registering secondary module capability SElinux: Registering netfilter hooks But SELinux isn't running: % /usr/sbin/getenforce Disabled % /usr/sbin/setenforce 1 /usr/sbin/setenforce: SELinux is disabled Neither /var/log/messages nor /proc/kmsg hold clues.

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• Tool to fix video that's out of sync with audio?

  - by Javier Badia

  I'm looking for (preferably free) software for Windows 7 that will allow me to fix an AVI file that has audio out of sync with the video. I tried with Windows Live Movie Maker and VirtualDub and couldn't find out how to do it (if at all possible) on both of them. If any of those can help me, instructions for that would also be nice. Background: I have a RCA-to-USB capture card, which I'm using to transfer VHS casettes and stuff from a video camera to digital format. The problem is that the audio comes out heavily distorted. So instead I connected the audio out from the VCR directly to the computer's line in. This works, but the audio is out of sync, about half a second behind the video. I could spend time trying to fix this issuee, but I think it'll be easier to simply fix the video.

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• How can I pass environment variables to a WSGI script, using uWSGI?

  - by orokusaki

  I've added the following line to /etc/environment: FOO_DEPLOYMENT_ENV="vbox" Upon logging in via SSH, I can echo $FOO_DEPLOYMENT_ENV and, of course, see vbox output to the shell. If I open a Python shell and run os.getenv('FOO_DEPLOYMENT_ENV'), it will return 'vbox', but the same code in my Python application, when run by uWSGI (as the www-data user), it does not see the environment variable. Clearly, this isn't a problem of uWSGI, and is rather a problem with my understanding of environment variables, or how they're properly set, and the contexts in which they can be retrieved. What am I doing or understanding incorrectly?

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• Ultra Low Latency Linux Distribution or Kernel

  - by Zanlor

  I'd like to know if there are any linux distributions that are focused on low latency networking. The area I'm working in is algorithmic trading, and extremely low latency comms between machines is a must. The current h/w we're using is 10g ethernet, we're looking into things like infiniband RDMA and Voltaire VMA I've googled around, and have only been able to find tidbtits of kernel patches, command line options and hardware suggestions. I'm looking for a complete solution, specially built kernel, kernel bypass features, essentially all the goodies rolled up into one package - does such a thing even exist? I ask as a lot of this stuff seems to be a black art, people keep secret what they know works etc.

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• Ultra Low Latency Linux Distribution or Kernel

  - by Zanler

  I'd like to know if there are any linux distributions that are focused on low latency networking. The area I'm working in is algorithmic trading, and extremely low latency comms between machines is a must. The current h/w we're using is 10g ethernet, we're looking into things like infiniband RDMA and Voltaire VMA I've googled around, and have only been able to find tidbtits of kernel patches, command line options and hardware suggestions. I'm looking for a complete solution, specially built kernel, kernel bypass features, essentially all the goodies rolled up into one package - does such a thing even exist? I ask as a lot of this stuff seems to be a black art, people keep secret what they know works etc.

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• Trouble installing php memcache extension

  - by user35346

  I'm trying to install memcache on MAMP but I get the warning below, and when I continue it seems to complete properly. I add the line extension=memcache.so to the php.ini and restart MAMP but phpinfo() doesn't list the memcache extension. $ ./pecl install memcache downloading memcache-2.2.5.tgz ... Starting to download memcache-2.2.5.tgz (35,981 bytes) ..........done: 35,981 bytes 11 source files, building WARNING: php_bin /Applications/MAMP/bin/php5/bin/php appears to have a suffix 5/bin/php, but config variable php_suffix does not match running: phpize Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20060613 Zend Extension Api No: 220060519 Enable memcache session handler support? [yes] : yes ... Build process completed successfully Installing '/Applications/MAMP/bin/php5/lib/php/extensions/no-debug-non-zts-20060613/memcache.so' install ok: channel://pecl.php.net/memcache-2.2.5 configuration option "php_ini" is not set to php.ini location You should add "extension=memcache.so" to php.ini

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• Load balancing with rsync

  - by David

  i have 2 server with public ip: SERVER A - 10.10.10.11 SERVER B - 10.10.10.12 both of them are centos 6 in OS, installed nginx with php-fpm, 2 exact same website stored at: /var/www/html. Domain with: myxdomain.com and dns hosted with cloudflare ( since cloudflare do support round robin ) to point the domain to A record of 10.10.10.11 and 10.10.10.12. I know that round robin dns does not cover the failover or fallover, but it does not matter, what i need is: How do i sync the both content of /var/www/html server A and server B to be exactly same? Lets say: 1) user uploaded their file to server A, the file content will be sync to server B as well. 2) user uploaded their file to server B, the file content will be sync to server A as well. rsync will be good choice here? Any example of command line and cronjob time that suitable? thanks

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• TrueCrypt with ext2/3 partition write access under Mac OS X Snow Leopard ?

  - by ssc

  I'm using a TrueCrypt volume with an ext3 partition under Snow Leopard with MacFUSE. I can mount ordinary (unencrypted) ext3 partitions read/write from the shell by adding command line arguments as shown in "Mounting ext3 in Snow Leopard…". However, TrueCrypt mounts the partition read-only and I don't see any way to 'sneak in' the required additional arguments. How do I mount it read/write? I was hoping for a similar solution as for mounting NTFS, but diskutil info /Volumes/my_volume/ does not return a UUID; it does tell me Read-Only Media: No Read-Only Volume: Yes though...

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• Retrieving a specific value from “df -h” using shell

  - by diegodias

  When I use df -h, I get the following output: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 59G 2.2G 54G 4% / /dev/sda1 122M 38M 78M 33% /boot tmpfs 1.1G 0 1.1G 0% /dev/shm 10.10.0.105:/somepath 11T 8.4T 2.1T 81% /storage4 10.11.0.101:/somepath 15T 8.9T 5.9T 61% /storage1 /dev/mapper/patha 5.0T 255G 4.8T 5% /storage5_vol0 /dev/mapper/pathb 5.0T 195G 4.9T 4% /storage5_vol1 /dev/mapper/pathc 5.0T 608G 4.5T 12% /storage5_vol2 I want to write a script that gets the value of Avail column on a specific storage. I used to use df -k /storage_name | tail -1 | awk '{print $3}' But the FileSystem column can have a value or not .. which would change the variable of my script from $3 to $4. How can I get the Avail on a single command line even if there are no values on the previous columns?

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• Connectiong adsl router/modem and router with bridgemode

  - by Zvonko Telefonko

  I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, VPN, port forwarding, etc). I'm interested, if I connect the old modem/router to new Cisco router using bridge mode, will I be able to use all the features on the Cisco? For instance, the old router is lacking of port forward options. Does this mean that I will not be able to use port forwarding on Cisco router either or, since I will be using bridge mode, this will not affect Cisco router and it will work as the modem is in him? thank you

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• Motorola SBG6850 / Linksys WRT54G network problem

  - by user96407

  I am trying to resolve issues with connecting my desktop and LAN capable printer to my network. I recently upgrade to the Motorola Cable Modem Gateway SBG6580 and have TWC coming into it, this works great for wired and wireless connectivity. Although, I am unable to connect to my device from this modem gateway. So, I am trying to cable a Linksys WRT54G (firmware 4.21.4 build 0) to the backside of the SBG6850 so I can use my printer on my network from both my wired desktop and wireless devices. I am pulling wireless off of the SBG6580 and do not want to change this. I have disable the wireless feature on the Linksys WRT54G at this moment. Can someone please help me through this dilemma? I am open to both wired and wireless solutions, but please tell me which approach your sharing in the first line of your response. Cheers!

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• System 67 error scheduled task to transfer files

  - by grom

  Running directly on command line the batch script works. But when scheduled to run (Windows 2003 R2 server) as the local administrator, I get the following error: D:\ScadaExport\exported>ping 192.168.10.78 Pinging 192.168.10.78 with 32 bytes of data: Reply from 192.168.10.78: bytes=32 time=11ms TTL=61 Reply from 192.168.10.78: bytes=32 time=15ms TTL=61 Reply from 192.168.10.78: bytes=32 time=29ms TTL=61 Reply from 192.168.10.78: bytes=32 time=10ms TTL=61 Ping statistics for 192.168.10.78: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 10ms, Maximum = 29ms, Average = 16ms D:\ScadaExport\exported>net use Z: \\192.168.10.78\bar-pccommon\scada\ System error 67 has occurred. The network name cannot be found. Any ideas? Google is turning up nothing useful, just keep finding results relating to DNS etc, but using IP address here.

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• Can I use a display driver from Windows 8 in Windows 7?

  - by adam0101

  My latest display driver doesn't support WDDM 1.0, and I need it to be at least version 1.1. I've been attempting to get the Windows Phone 7 SDK working on my HP Pavillion dv9000, but the phone emulator requires 1.1 or higher. My drivers are as up-to-date as they can get. I even tried a modded driver found here, but no go. Then, while evaluating Windows 8 Developer Preview on a different partition I noticed that dxdiag.exe showed it was using WDDM 1.2. I tried installing Windows Phone 7 SDK on Windows 8, but I get an "Internal Error" popup and "Connection failed because of invalid command-line arguments" in the error window in Visual Studio. I'm guessing because Windows Phone 7 SDK isn't supported on Windows 8 yet. So my question is this: Can I get Windows 7 to use the display driver Windows 8 is using to get WDDM 1.2 on Windows 7 and how would I go about doing it?

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• Advanced file compression software for Mac OSX

  - by Steven Roose

  Back when I used Windows, I always used WinRAR for file compression and decompression. It had a fair amount of options like 'just storage' vs 'hard compression', password protection and archive type. Now that I use Mac OSX, the only compression possibility I have is the default Finder's Compress to Zip. I downloaded the most popular decompression software "Unarchiver". But this app can't compress other archive types either. I went for a search but there seem to be hardly any good advanced compression tools that work nice in OSX and have the options WinRAR has. (WinRAR works in OSX but command line only, I'm looking for something with a GUI.) Any ideas? I strongly prefer freeware. I found Archiver and StiffIt, but they are both commercial.

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• Should EC2 server self register or have admin server

  - by hortitude

  I'm creating AWS servers using chef. I am also planning on enabling auto-scaling. While we have automatic monitoring setup already (server density or nagios etc), I was also going to setup the cloud watch alarm for the status check on the server. This led me down the path of trying to decide whether to install the ec2-command-line tools on the server itself (which then requires me to install java on the servers -- despite no other need for Java in our environment) or to possible have an "admin" box that will check periodically for servers and make sure they have their alarms set. I expect this paradigm to carry over to other things we want to configure (perhaps ensuring that termination protection is setup on production servers?). Any thoughts as to why to go one direction or another?

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• apt-get install phpmyadmin on debian doesn't install /etc/phpmyadmin/apache.conf

  - by Christian Nikkanen

  I'm trying to install phpmyadmin on my webserver, using this guide: http://www.howtoforge.com/ubuntu_debian_lamp_server I did that once, and it worked like a dream, but I hated the looks of phpmyadmin (maybe the oldest layout ever) and decided to delete it, and didn't know that deleting is done with apt-get remove phpmyadmin and did in phpmyadmin directory rm * and thought that it's done. However, as I can't find the debian build of phpmyadmin anywhere, I want to install it again, but when I add Include /etc/phpmyadmin/apache.conf to /etc/apache2/apache2.conf, and restart apache, it give's me this error: apache2: Syntax error on line 73 of /etc/apache2/apache2.conf: Could not open configuration file /etc/phpmyadmin/apache.conf: No such file or directory Action 'configtest' failed. The Apache error log may have more information. failed! No matter how I try, I always get this error, and phpmyadmin isn't there.

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• MySQL replication/connection failing over SSL

  - by Marcel Tjandraatmadja

  I set up two MySQL servers where one is replicating from the other. They both work perfectly, but once I turn on SSL I get the following error: ERROR 2026 (HY000): SSL connection error I get the same error running from command line like so: mysql --ssl=1 --ssl-ca=/etc/mysql/certificates/ca-cert.pem --ssl-cert=/etc/mysql/certificates/client-cert.pem --ssl-key=/etc/mysql/certificates/client-key.pem --user=slave --password=slavepassword --host=master.url.com Both MySQL servers are running on version 5.0.77. There is a difference that MySQL in the master server was compiled under x86_64 while in the slave server under i686. Also both machines are running CentOS 5. Plus I generated certificates as per this page. Any idea for finding a solution?

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• Arguments passed on by shell to command in Unix

  - by Ryan Brown

  I've been going over this question and I can't for the life of me figure out why the answer is what it is. How many arguments are passed to the command by the shell on this command line:<pig pig -x " " -z -r" " >pig pig pig a. 8 b. 6 c. 5 d. 7 e. 9 The first symbol is supposed to be the symbol for redirected input but the site isn't letting me use it. [Fixed.] I looked at this question and said ok...arguments...not options so 2nd pig, then " ", then -r" ", 4th pig and 5th pig...-z and -x are options, so I count 5. The answer is b. 6. Where is the 6th argument that's being passed on?

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• WOL not working

  - by Maciej Swic

  I have a Marvell Yukon integrated NIC and i have installed the WOL package on my freeBSD-based NAS. I'm trying to wake my PC using the command "wol M:A:C:A:D:D:R". Command line spits back that it is "waking" however nothing happens. I found no reference to WOL whatsoever in BIOS and i enabled Magic Packet WOL in windows on that interface. Also double-checked MAC addr and that i entered it in the correct format in "wol". I'm on Windows 7. What next? =/

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• Replace an IP address with it's whois using bash

  - by user2099762

  I have a traffic log similar to this "page visited" for xxx.xxx.xxx.xxx at 2013-10-30 and I would like to replace the ip address with the result of it's whois lookup. I can export the ip addresses to a separate file and then do a whois on each line, but im struggling to combine them all together. Ideally i'd like to replace the ip address in the same string and print the new string to a new file. So it would look like "page visited" for example.com at 2013-10-30 Can anyone help Here's what I have so far grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' clean_cites.txt > iplist.txt for i in `cat iplist.txt` do OUTPUT=$(geoiplookup -f /usr/share/GeoIP/GeoIPOrg.dat $i) echo $i,$OUTPUT >> visited.txt done Like I said,this produces a separate file with a list of ip addresses and their relevant hostnames, so I either need to search for the ip address in file and and replace it with the text in file b (which will give the ip address and hostname) or replace the ip address in place. Thanks

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