Installing and configuring tomcat on Centos 7

wget http://www.us.apache.org/dist/tomcat/tomcat-7/v7.0.57/bin/apache-tomcat-7.0.57.tar.gz tar -xvvf apache-tomcat-7.0.57.tar.gz mv apache-tomcat-7.0.57 /opt/tomcat nano /opt/tomcat/conf/tomcat-users.xml find the <tomcat-users> </tomcat-users> lines and in between add the below entry <role rolename="manager-gui"/> <role rolename="manager-script"/> <role rolename="manager-jmx"/> <role rolename="manager-status"/> <role rolename="admin-gui"/> <role rolename="admin-script"/> <user username="admin" password="admin" roles="manager-gui,manager-script,manager-jmx,manager-status,admin-gui,admin-script"/> and save the file and then issue command chmod 755 /opt/tomcat sh /opt/tomcat/bin/startup.sh  

Jdk installation javaws error javaws: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory

javaws -version [root@centos ~]# javaws: error while loading shared libraries: libX11.so.6: cannot open shared object file: No such file or directory -bash: javaws:: command not found install this package yum -y install libX11-devel.x86_64 and then magic happens [root@centos ~]# javaws -version Java(TM) Web Start 10.71.2.14-fcs Usage: javaws [run-options] <jnlp-file> javaws [control-options]