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  • Is it bad to have a very full hard drive on a high traffic database server?

    - by MikeN
    Running an Ubuntu server with MySQL for a high traffic production database server. Nothing else is running on the machine except the MySQL instance. We store daily database backups on the DB server, is there any performance hit or reason why we should keep the hard disk relatively empty? If the disk is filled up to 86%+ with the database and all of the backups, does it hurt performance at all? So would the DB server running with 86-90%+ full capacity perform less well in any way than the server running with only a 10% full disk? The total disk size on the server is over 1 TB so even 10% of the disk should be enough for basic O/S swapping and such.

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  • Rkhunter reports file properties have changed

    - by CountMurphy
    I am running a fully updated LTS copy of Ubuntu server. Today I ran rkhunter (as I do from time to time). This is the output I got: Warning: The file properties have changed: [15:52:25] File: /bin/ps [15:52:25] Current hash: f22991ec93ae966c856d367f42fc3d8a484bd827 [15:52:25] Stored hash : 1892268bf195ac118076b1b0f53e7a637eb6fbb3 [15:52:25] Current inode: 142902 Stored inode: 130894 [15:52:25] Current file modification time: 1324307913 (19-Dec-2011 07:18:33) [15:52:25] Stored file modification time : 1260992081 (16-Dec-2009 11:34:41) Warning: The file properties have changed: [15:52:33] File: /usr/bin/ldd [15:52:33] Current hash: f1e2ca5aa3a28994e2cebb64c993a72b7d97b28c [15:52:33] Stored hash : 295d9cedb121a5e431a39a6d201ecd7ce5640497 [15:52:33] Current inode: 2236210 Stored inode: 2234359 [15:52:33] Current size: 5280 Stored size: 5279 [15:52:33] Current file modification time: 1331165514 (07-Mar-2012 16:11:54) [15:52:33] Stored file modification time : 1295653965 (21-Jan-2011 15:52:45) Warning: The file properties have changed: [15:52:37] File: /usr/bin/pgrep [15:52:37] Current hash: 3eada9a96760f3e2c9111cfe32901d1432813c1d [15:52:37] Stored hash : ce265d0db9964b173fe5036f703a9b8d66e55df3 [15:52:37] Current inode: 2229646 Stored inode: 2224867 [15:52:37] Current file modification time: 1324307913 (19-Dec-2011 07:18:33) [15:52:37] Stored file modification time : 1260992081 (16-Dec-2009 11:34:41) Warning: The file properties have changed: [15:52:41] File: /usr/bin/top [15:52:41] Current hash: 6be13737d8b0950cea2f1ae3a46d4af713dbe971 [15:52:41] Stored hash : c7b495ecef3982eeb6f08a511861b1a1ae8775e6 [15:52:41] Current inode: 2229629 Stored inode: 2224862 [15:52:41] Current file modification time: 1324307913 (19-Dec-2011 07:18:33) [15:52:41] Stored file modification time : 1260992081 (16-Dec-2009 11:34:41) Warning: The file properties have changed: [15:52:53] File: /usr/sbin/cron [15:52:53] Current hash: e783ca973f970aa8a4bf5edc670e690b33914c3d [15:52:53] Stored hash : 4718257a8060736b9058aed025c992f02a74a5a7 [15:52:53] Current inode: 2224719 Stored inode: 2228839 [15:52:54] Current file modification time: 1330965568 (05-Mar-2012 08:39:28) There were also a few other I left out. Has my server been rooted? I am running fail2ban and do monitor failed ssh logins. nothing has come up. Could someone compare these hashes to their copy of Ubuntu Server (lts)? Please tell me these are false positives..... Edit: is something else like rkhunter I can run for a second scan?

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  • PHP Runs Very Slow on IIS7. Need Help optimizing our config

    - by Kendor
    Am running a PHP based web app on our Windows 2008 cloud-based server. The app, which runs fine outside of our environment (e.g. a different IIS server), but is VERY slow in our environment. Based on googling this is a relatively common situation. I installed PHP and MySQL via the IIS web deployment method... Here's our setup: Windows 2008 Server Enterprise SP2 (32-bit) Microsoft-IIS/7.0 MySQL client version: mysqlnd 5.0.8-dev - 20102224 $Revision: 321634 $ PHP extension: mysqli Update for IIS 7.0 FastCGI Windows Cache Extension 1.1 for PHP 5.3 I had read elsewhere that ipv6 might be an issue, so I turned this off on the network adapter. The app is using: localhost as its connection Be easy on me, as I'm a bit green about some of these components... Also, rewriting the PHP app or modifying it is NOT an option. I'm reasonably SURE that our config is the issue.

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  • Apache Web Server character encoding

    - by OBY
    I've recently transferred my webapp from my localhost (LH) to a VPS, and have had hebrew chars-encoding probs since. Whenever I send a request with a heb-char it results in "?????" saved to the DB. My LH config was tomcat6, MySQL, and centOS 6.2, opened to the web. In the VPS env I'm behind an Apache Web Server, and the rest is quite the same (though I haven't done anything to its installation). Please note I already have had this problem before, on my LH when the request was sent from IE/chrome (not FF!). The solution was to apply a filter on the the context and change the char-type to UTF-8. My webapp content char-encode is utf-8, MySql server set to utf8 using charset utf8;, and my centOS set to iw_IL.UTF8 using export LANG=iw_IL.UTF8. When I use locale the bash output seems to be set correctly. Any suggestions?

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  • Where are Wireless Profiles stored in Ubuntu

    - by LonnieBest
    Where does Ubuntu store profiles that allow it to remember the credentials to private wireless networks that it has previously authenticate to and used? I just replaced my Uncle's hard drive with a new one and installed Ubuntu 10.04 on it (he had Ubuntu 9.10 on his old hard drive. He is at my house right now, and I want him to be able to access his private wireless network when he gets home. Usually, when I upgrade Ubuntu, I have his /home directory on another partition, so his wireless profile to his own network persists. However, right now, I'm trying to figure out which .folder I need to copy from his /home/user folder on the old hard drive, to the new hard drive, so that he will be able to have wireless Internet when he gets home. Does anyone know with certainty, exactly which folder I need to copy to the new hard drive to achieve this?

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  • XAMPP won't start because I'm already running MySQL on port 3306

    - by JellicleCat
    I'm trying to start XAMPP, but it fails with only the word 'Busy' in the Control Panel console. I ran xampp/install/portcheck.bat to see if the ports were available, and I see that port 3306 is busy (because I'm running MySQL as a service on it). I suppose that XAMPP wants to take over and run MySQL on that port. Can anyone tell me how to get XAMPP to just make use of the existing server and not try to control it itself?

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  • Clustering with Vsphere and Apache load balacing

    - by Anonymous2011
    I was looking at Vsphere to automatically load balance my apache web servers, and mysql servers but will this actually do the job? I know it says it does auto load balancing but not actually sure it quite means what I want to achieve. Is there an easier way to set up a php-apache and mysql cluster within virtual machines? Or are there any guides to clustering? (I have tried googling without much luck) Any help towards understanding/setting up clustering and load balancing within virtual machines appreciated.

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  • NGINX: dynamic locations stored in DB

    - by chimpanzee
    Is there a possibility to store nginx locations in DB instead of the config to serve them dynamically? The task is to create dynamic URLs for video files based on user's IP and video ID. The idea is when the user visits my website such an dynamic URL is created and added to the db as a new nginx location that exists just for this user and not for others. Or nginx doesn't fit my task and I need to use another tool? Thanks.

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  • Where are the SQLServer jobs stored?

    - by Saiyine
    I'd like to know what is the process a SqlServer job is executing, but I only can find that it calls DTSRun with an encrypted string. After decoding the string, it results is just the name of the job with the user and the password. How can I find what is this job really calling? Edit: I've found a candidate, they could be at the msdb.sysdtspackages, but again, can't read them as SQLServer says the data is binary. How can I read them to confirm they are the jobs?

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  • PHP and MySQL on IIS7: can't find php_mcrypt.dll in php.ini

    - by user46250
    I have installed PHP with Microsoft Web PI. Then I installed mysql. According to http://learn.iis.net/page.aspx/353/install-and-configure-mysql-for-php-applications-on-iis-7/ I have to Uncomment the following lines by removing the semicolon: extension=php_mysqli.dll extension=php_mbstring.dll extension=php_mcrypt.dll But there is no extension=php_mcrypt.dll in php.ini installed by web PI so should I add it by hand then where ? and where should I check that php_mcrypt.dll exists ? Seems nobody knows, should better ask on Microsoft forum ?

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  • mysqldump and wamp

    - by Adam
    I am running a wamp server and trying to use mysqldump to backup a mysql database I have. The following is the PHP code I am using to run mysqldump. exec("mysqldump backup -u$user -p$pass > $sql_file"); When I run the script the page just loads inifnately and the backup is not created. A blank file is being created so I know something is happening. Extra info: exec() is not disabled PHP is not running in safe mode Any ideas?? Win XP, WAMP, MYSQL 5.0.51b

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  • Can't access phpMyAdmin because of host, username and password

    - by Engprof
    everyone. When I try to access phpMyAdmin on Uniform Server I get the following error messages: " #1045 - Access denied for user 'root'@'localhost' (using password: YES) " " phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server. " The funny thing is my username and password are both set to "root" and I have changed the IP address in the httpd.conf file to my Unique IP adddress, so I still don't know what the problem is. Could somebody please help me out? Any help would be much appreciated.

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  • Is it safe to use up all memory on linux server, not leaving anything for the cache?

    - by Temnovit
    I have a CentOS server fully dedicated to MySQL 5.5 (with innodb tables mostly). Server has 32 GB RAM, SSD disks, and avarage memory usage looks like this: So about 25GB is in use and about 6.5GB is cached. I am experiencing performance problems with WRITE queries, so I was thinking, is this the optimal cache size? I might increase innodb buffer size, so that linux cache would become smaller, or decrease it, so it would be bigger. What is the optimal used/cached memory balance for busy MySQL server on linux?

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  • Upgrading Fedora to Current Version - Dependent Applications Concerns

    - by nicorellius
    Is it possible to upgrade to Fedora 11 and still keep the server functional (it's running Fedora Core release 6 now, with MySQL 5.0, PHP 5.1 and Apache 2.2)? I have a Customer Relationship Management system on there and it is required on a daily basis. I am trying to figure out if I should upgrade (and whether that will cause huge problems) or if I should start over with a new OS (like Ubuntu) and install the CRM fresh, with updated version of MySQL, PHP, Apache, etc. I ask because I am not really the sysadmin, but have but put in charge of this server.

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  • Access denied for user 'root@localhost' (using password:NO)

    - by murgatroid99
    I am attempting to install a network management package called cacti onto Ubuntu running under Windows Virtual PC. I attempted to install MySQL as it is one of cacti's dependencies. I can install and start the MySQL server, but whenever I try to access it in any other way, such as to change the password, I get the error message Access denied for user 'root@localhost' (using password:NO). I would like to know what is causing this and how to fix it. Edit: (just in case my comments are not visible) The answers from HD and Devin Ceartas did not work for me.

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  • Should we regularly schedule mysqlcheck (or databsae optimization)

    - by scatteredbomb
    We run a forum with some 2 million posts and I've noticed that if left untouched the overhead in the mySQL (as listed in phpMyAdmin) can get quite large (hundreds of megabytes). I'm wondering if scheduling a normal mysqlcheck to optimize the tables is good practice? Any reason not to do it, say, once a week at an off-peak hour? There was a time over the summer where our site was constantly crashing because mysql was using up all resources. That's when I noticed the huge amount of overhead and optimized the database and haven't had any problems since then with stability. I figured if that was helping alleviate the issues, I should just setup a cron to automatically do this.

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  • How to copy a file to a remote server using the command line?

    - by cool_cs
    I am trying to copy a file from my desktop to my remote server using the sudo command. I am doing this from the remote machine since I know the password for this machine and I do not have a password for my local machine. sudo scp donj@localhost:/Desktop/my.cnf user@remotemachine:/app/MySQL/my.cnf This does not work however. I want to overwrite the my.cnf file in the MySQL directory. I tried the su command but I do not have the password to become a super user.

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  • Apache not serving pages stored in Subversion repository

    - by Stephen
    I've setup Apache and Subversion on an old PC, but Apache is not serving pages correctly, when I enter the address to my test site: http://HOME_IP_ADDRESS/test/index.html I just get a File Not Found error and the following output in the error log: File does not exist: /var/www/html/svn/repos/test but I know the file exists, when I enter the following URL into the browser: http://HOME_IP_ADDRESS/repos/test/index.html I just get a listing of the HTML. In my Apache config file I have the Document Root set as follows: DocumentRoot "/var/www/html/svn/repos" so I'm not sure what is going on, I have SVN installed and I think it may have something to do this. Edit * I changed the Document Root location, which helped as pages in the new location were served correctly, so the problem is with just serving the pages from the repository.

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  • Search desktop files using a list of keywords stored in a text file

    - by Tod1d
    I have a list of 1285 keywords (database object names) that I have compiled into a TXT file; one keyword per line. I would like to search a directory of files (most have a .aspx or .cs extension) using this list of keywords. My main goal is find out which of the 1285 database objects are being referenced in these files. Can anyone recommend a tool that could accomplish this? Otherwise, I will just create my own. Thanks.

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  • Access denied for user 'root@localhost' (using password:NO)

    - by murgatroid99
    I am attempting to install a network management package called cacti onto Ubuntu running under Windows Virtual PC. I attempted to install MySQL as it is one of cacti's dependencies. I can install and start the MySQL server, but whenever I try to access it in any other way, such as to change the password, I get the error message Access denied for user 'root@localhost' (using password:NO). I would like to know what is causing this and how to fix it. Edit: (just in case my comments are not visible) The answers from HD and Devin Ceartas did not work for me.

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  • add shapes to bing maps from locations stored in a database (bing maps ajax control)

    - by macou
    I am trying to use the Bing Maps Ajax Control to plot pins of locations stored in a database to the bing map on a web page. All the locations are geocoded and the lat longs stored in the database. I am using ASP.NET (C#), but can't figure out or find any tutorials on how to go about doing this. All I can find are articles on how to import shapes into a map from either GeoRSS, Bing Maps, and KML. I have used (and paid for ;o) the excellent control from Simplovations to do alot of what I need to do, namely working with my data as normal in the code behind, getting a DataSet of my locations and plotting the points to the map. It has been great, but I want to know how to do it with out using a third party control. My main reason for wanting this is to be able to cluster my pins and hopefully learn a bit of Javascript along the way. Does anyone know of any tutorials or articles online that can help me on my way. I have been searching the net for hours now and can't find anything :(

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  • What is the scope of CONTEXT_INFO in SQL Server?

    - by JasonS
    I am using CONTEXT_INFO to pass a username to a delete trigger for the purposes of an audit/history table. I'm trying to understand the scope of CONTEXT_INFO and if I am creating a potential race condition. Each of my database tables has a stored proc to handle deletes. The delete stored proc takes userId as an parameter, and sets CONTEXT_INFO to the userId. My delete trigger then grabs the CONTEXT_INFO and uses that to update an audit table that indicates who deleted the row(s). The question is, if two deletes sprocs from different users are executing at the same time, can CONTEXT_INFO set in one of the sprocs be consumed by the trigger fired by the other sproc? I've seen this article http://msdn.microsoft.com/en-us/library/ms189252.aspx but I'm not clear on the scope of sessions and batches in SQL Server which is key to the article being helpful! I'd post code, but short on time at the moment. I'll edit later if this isn't clear enough. Thanks in advance for any help.

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  • calling a stored proc over a dblink

    - by neesh
    I am trying to call a stored procedure over a database link. The code looks something like this: declare symbol_cursor package_name.record_cursor; symbol_record package_name.record_name; begin symbol_cursor := package_name.function_name('argument'); loop fetch symbol_cursor into symbol_record; exit when symbol_cursor%notfound; -- Do something with each record here, e.g.: dbms_output.put_line( symbol_record.field_a ); end loop; CLOSE symbol_cursor; When I run this from the same DB instance and schema where package_name belongs to I am able to run it fine. However, when I run this over a database link, (with the required modification to the stored proc name, etc) I get an oracle error: ORA-24338: statement handle not executed. The modified version of this code over a dblink looks like this: declare symbol_cursor package_name.record_cursor@db_link_name; symbol_record package_name.record_name@db_link_name; begin symbol_cursor := package_name.function_name@db_link_name('argument'); loop fetch symbol_cursor into symbol_record; exit when symbol_cursor%notfound; -- Do something with each record here, e.g.: dbms_output.put_line( symbol_record.field_a ); end loop; CLOSE symbol_cursor;

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  • Listing down stored records localStorage | Google Chrome Extensions

    - by Jamie
    How do I get to list down the stored records in the for loop? Basically I want it to list down the records like this: '<div id="record_' + number + '">' + localstorage value + '</div>' The number in the class should add 1 every record, e.g. 1, 2, 3, 4 every record it lists down, and so on. The localstorage value should show the localStorage[] but the problem is, the localStorage name has the same, e.g. (clicks on button) it will save the value of the URL into a localStorage I then open the application and shows the window.html inside there is list of stored records by using this: '<div id="record_' + number + '">' + localstorage value + '</div>' INCLUDING the record number to add per record 1, 2, 3, etc... like this: <div id="record_1">localstorage value</div> <div id="record_2">localstorage value</div> <div id="record_3">localstorage value</div> <div id="record_4">localstorage value</div> <div id="record_5">localstorage value</div> <div id="record_6">localstorage value</div> etc...

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