Problem: Container Killed by YARN or hung for exceeding memory limits in Spark on Amazon EMR Resolution:  The solution Varies acco...

How to Install Apache Maven on CentOS 7 Apache Maven is a free and open-source project management and comprehension tool used primaril...

How to configure the Ambari Authentication with LDAP (FreeIPA) If you are here , then you must be looking for ways to integrate  Ambar...

How to Install Apache Maven on Ubuntu Apache Maven is a free and open-source project management and comprehension tool used primarily ...

How To  Check statistics of Apache Web Server (httpd) on CentOS/RHEL and Ubuntu Apache is a world’s most popular, cross platform HTTP we...

How to install PFX certificate in Linux and without PEM Passphrase You must be Annoyed seeing the certificate error in web browser for...

Error: PHP fatal error contact system administrator in OSticket. Solution: First Enable Error variable in main.inc.p...

Apache Start Fails with Following Error undefined symbol: proxy_module ? Solution: Add Following Line in  /etc/httpd/conf/httpd.conf ...

Error: The security Certificate is expired & Untrusted for geotrust certificate on Mobile devices. Solution: 1. Go to "https:...

Apache Error: Directory index forbidden by Options directive: /usr/share/phpMyAdmin/ Solution: 1. Edit the /etc/httpd/conf/httpd....

Apache Error: client denied by server configuration: /usr/share/phpMyAdmin Solution: In Config file  do following changes and r...

Issue: in.example.com uses an invalid security certificate. The certificate is only valid for the following names: *.secure.example.com, s...

How to run both Apache and nginx on one machine When you try to run both the services on same port and IP it will give you error like ...