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How to install red5 on linux server

How to install red5 on linux server ? Ans : I have used following steps to install the red5 on linux server. root@server [] cd /etc/init.d/ root@server [] wget http://www.indianwebportal.com/downloads/red5 root@server [] chmod 755 red5 root@server [] yum -y install java-1.6.0-openjdk java-1.6.0-openjdk-devel root@server [] cd /usr/src root@server [] rm -rf apache-ant-1.8.0-bin.tar.gz apache-ant-1.8.0 red5-0.8.0.tar.gz root@server [] […]

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Cannot allocate memory: couldn't create child process

Error : Cannot allocate memory: couldn’t create child process When you access your site and it shows the internal server error and server logs shows following error I get this error in my cpanel error log; [Sun Jun 19 04:03:02 2011] [error] [client (12)Cannot allocate memory: couldn’t create child process: /opt/suphp/sbin/suphp for /home/site/public_html/forum/index.php, referer: http://www.site.com/forum/index.php?topic=5930.0 […]

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password protect not working

Problem : When wordpress is installed on main domain and you want to set the password to any directory which is under the public_html folder but when access it by using browser then the URL shows 404 error or not found error. Solution : You need to add the following code in .htaccess files in […]

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restart Apache automatically when high load

Question: How to set Cron to restart Apache automatically ? Ans: You can add the following cron to restart  Apache automatically when it was down for any reason or if the server load is 20. vi /var/spool/cron/root */2 * * * * /bin/sh /root/apache-load-checker.sh > /dev/null 2>&1 #!/bin/bash #You can set the Load limit as […]

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daily mysql databases backup on cpanel server

Question: How to back up MySQL databases using cron jobs on cpanel server ? Ans: You can take the mysql backup of all databases for last 10 days and keep on the server.  You need to add the cron to create the daily mysql backup of all the databases. The backup is stored in the folder […]

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MySQL server has gone away

Error :MySQL server has gone away Solution: If you get MySQL server has gone away when using MySQL ODBC driver then you need to add the following variables into my.cnf file1 1) Open /etc/my.cnf file and add the following variable max_allowed_packet= 64M wait_timeout= 6000 2) Restart Mysql service /etc/init.d/mysqld restart  

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Commonly used LINUX command

How to display the 10th line of a file? head -10 filename | tail -1 How to remove the header from a file? sed -i ‘1 d’ filename How to remove the footer from a file? sed -i ‘$ d’ filename Write a command to find the length of a line in a file? The […]

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reset ssh port through WHM

If you mess up with the SSH setting’s on your server and lock yourself out of ssh then you can reset the SSH configuration settings from WHM by following the below steps : Login to your WHM on a non secure port that is : 2086 for example : http://serverip:2086 And then browse the URL […]

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http://localhost/removecookies"

When any page shows blank page and redirected to the URL http://localhost/removecookies” Then the problem due the mod security check the server  logs and disable the mod security rules which is affected for your domain. If server logs not shows any error logs then completely disable the mod security for your domain.

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view the content of .csr file

If you want to check the .csr file content then use the following command to check the details of CSR. openssl req -text -noout -in host.csr Note: change the host.csr to original .csf file name.

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How to Install tomcat 6 on cpanel server

How to install tomcat 6 on the linux server ? When you have installed tomcat by using Easy-Apache then  it installed Tomcat 5.5 and if you want to installed Tomcat 6.0 then you need to made some necessary changes on the server. 1) First install  Tomcat 5  by using Easy-Apache means java is also installed […]

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Enable mssql support on Linux server

How to enable mssql support on Linux server ? Ans : You need to first compile freetds and then compile PHP with freetds support. What is FreeTDS? FreeTDS is a free implementation of the TDS (Tabular Data Stream) protocol that is used by Sybase and Microsoft for their database products. It implements TDS 4.2, 5.0, […]

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What is Web Hosting?

What is Web Hosting? Web hosting is a service that allows organizations and individuals to post a website or web page on to the Internet. A web host, or web hosting service provider, is a business that provides the technologies and services needed for the website or webpage to be viewed in the Internet. Websites […]

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find site information

How to find the domain name (DNS) information. http://network-tools.com or http://xwhois.com http://intodns.com/ http://centralops.net/co/ http://www.dnsstuff.com/ http://www.ipmango.com/megadns.php http://www.dnswatch.info

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Prevent duplicate emails in outlook

To prevent duplicates you must configure the alias account not to receive e-mails since they are already being received by the original account; Tools-> Options-> tab Mail Setup-> button Send/Receive-> button Edit…-> select the alias account-> uncheck Receive mail items

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ModSecurity installation

ModSecurity installation requirements: 1) ModSecurity 2.x works only with Apache 2.0.x or higher. Version 2.2.x is highly recommended. 2.Make sure you have mod_unique_id installed. mod_unique_id is packaged with Apache httpd. 3.libapr and libapr-util http://apr.apache.org/ 4. libpcre http://www.pcre.org/ 5. libxml2 http://xmlsoft.org/downloads.html 6. liblua v5.1.x This library is optional and only needed if you will be using […]

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check gzip compression is enable or not

How to check gzip compression is enable on the server or domain. The gzip compression required mod_gzip.c or mod_deflate.c module installed on the server. How you can check this module installed on  the server root@server [~]# /usr/local/apache/bin/httpd -l or root@server [~]# httpd -l If one of the module is installed on the server then, you […]

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Outlook just asking PWD again and again

You are able to login successfully webmail but not outlook. Outlook just asking PWD again and again, It means this is problem of pop3 service, just go through as following to resolve this issue. 1) vi /etc/xinetd.d/popa3d then make change disable = yes in this file. 2) you have make same changes into /etc/xinetd.d/popa3ds file […]

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How to enable allow_url_include

When using cPanel the way to enable allow_url_include directive locally (per user) is to create an Virtual Host include: First create an include file: /usr/local/apache/conf/userdata/std/2/username/domain.com/custom.conf Add directive to custom.conf: php_admin_flag allow_url_include On Then run to enable include: /scripts/ensure_vhost_includes –user=username –verbose Alternatively, enabling allow_url_include globally (server-wide) is done by editing /usr/local/lib/php.ini and adding “allow_url_include = On” […]

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