Installing and configuring Glassfish 4.1 on RHEL and Centos

Reading Time: 1 minute cd /opt wget http://dlc.sun.com.edgesuite.net/glassfish/4.1/release/glassfish-4.1.zip unzip glassfish-4.1.zip mv glassfish4 glassfish create glassfish user groupadd glassfish useradd -s /bin/bash -g glassfish glassfish chown -R glassfish: /opt/glassfish change the user password passwd glassfish nano /etc/init.d/glassfish add the below line #!/usr/bin/env bash # description: Glassfish start/stop/restart # processname: glassfish # chkconfig: 2445 20 80 JAVA_HOME=/usr/java/jdk1.7.0_75 export JAVA_HOME PATH=$JAVA_HOME/bin:$PATH export PATH GLASSFISH_HOME=/opt/glassfish

Installing and configuring tomcat on Centos 7

Reading Time: 1 minute 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  

Installing and configuring Mysql server on Freebsd

Reading Time: 2 minutes Go to the /usr folder cd /usr and then extract updates portsnap fetch extract then go to mysql client folder in ports(the version may change on your ports version and updates) /usr/ports/databases/mysql56-client then issue the command to install client make install clean and then navigate to the server folder cd /usr/ports/databases/mysql56-server then install it make

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

Reading Time: 1 minute 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]

Smaller Eclipse menus on ubuntu

Reading Time: 1 minute in terminal in your home directory issue the below command sudo gedit ~/.gtkrc-2.0 and copy the below content and save style "gtkcompact" { GtkButton::defaultborder={0,0,0,0} GtkButton::defaultoutsideborder={0,0,0,0} GtkButtonBox::childminwidth=0 GtkButtonBox::childminheigth=0 GtkButtonBox::childinternalpadx=0 GtkButtonBox::childinternalpady=0 GtkMenu::vertical-padding=1 GtkMenuBar::internalpadding=0 GtkMenuItem::horizontalpadding=4 GtkToolbar::internal-padding=0 GtkToolbar::space-size=0 GtkOptionMenu::indicatorsize=0 GtkOptionMenu::indicatorspacing=2 GtkPaned::handlesize=4 GtkRange::troughborder=0 GtkRange::stepperspacing=0 GtkScale::valuespacing=0 GtkScrolledWindow::scrollbarspacing=0 GtkExpander::expandersize=10 GtkExpander::expanderspacing=0 GtkTreeView::vertical-separator=0 GtkTreeView::horizontal-separator=0 GtkTreeView::expander-size=8 GtkTreeView::fixed-height-mode=TRUE GtkWidget::focuspadding=1 } class "GtkWidget" style "gtkcompact" style "gtkcompactextra" {