Securing JBOSS JMX and Web Console

After installing the JBOSS Application Server, the jmx console can be accessed by anybody without providing any username/password. This is a big security risk as anybody can perform changes though the jmx and web console. Setting up basic username/password security for the jboss jmx/web console can be accomplished by performing the following steps on the JBOSS Application Server. 1. Edit $JBOSS_HOME/server/all/conf/props/jmx-console-users.properties to add jmx console users. Replace all with your JBOSS profile name. The syntax to...

Read More

Sharing Keyboard and Mouse without KVM Switch using Synergy

Synergy is an open source platform independent application which allows you to control two system using the same Keyboard and Mouse without using a KVM Switch and help the organization save few dollars Latest release of Synergy supports almost all Windows Platforms and Unix platforms with X Windows Version 11 revision 4 or up. Synergy uses the network to share keyboard and mouse hence, all the systems must support TCP/IP Networking . Synergy...

Read More

Setting up slewing NTP option in Linux

Many times while installing/configuring Oracle Cluster, DBA’s receive the following error message. Checking NTP daemon command line for slewing option “-x” Check: NTP daemon command line Node Name   Slewing Option Set? vcsnode1 no vcsnode2 no Result:NTP daemon slewing option check failed on some nodes PRVF-5436 : The NTP daemon running on one or more nodes lacks the slewing option “-x”Result: Clock synchronization check using Network Time Protocol(NTP) failed To fix this error, slewing needs to be configured. Follow...

Read More