1. On the domain controller create a management user. Make note of the secret value: geek@labbox:~/Desktop/jboss/jboss-eap-7.0-dc/bin$ ./add-user.sh What type of user do you wish to add? a) Management User (mgmt-users.properties) b) Application User (application-users.properties) (a): Enter the details of the new user to add. Using realm 'ManagementRealm' as discovered from the existing property files. Username : jbossadmin Password recommendations are listed below. To modify … [Read more...] about How To Create A Domain In JBoss EAP 7
Archives for February 2019
How to check the JBoss EAP version
JBoss EAP 7/6 The version can be identified in one of the following manners: 1. Execute {JBOSS_HOME}/bin/standalone.sh or {JBOSS_HOME}/bin/domain.sh with -v or -V or --version: # ./standalone.sh -v JBoss EAP 6.4.0.GA (AS 7.5.0.Final-redhat-21) 2. Look for the following string in {JBOSS_HOME}/{standalone/domain}/log/server.log: 12:56:17,191 INFO [org.jboss.as] (Controller Boot Thread) JBAS015874: JBoss EAP 6.0.0.GA 3. Connect to a running EAP instance by executing … [Read more...] about How to check the JBoss EAP version
How to set different version of JDK in JBoss EAP 6 domain mode
Question: Is it possible to set different versions of JDK to different server-groups/server-instances or profiles. For example, one profile needs to use JDK 1.7 and another one JDK 1.6? This feature is fully tested and supported on EAP 6.2. The code is present in EAP 6.1.1 and is very likely to work there, but has not gone through full QA testing so it isn't officially supported. Just put the property java-home at the jvm line in each server-group level at the domain.xml file (as shown … [Read more...] about How to set different version of JDK in JBoss EAP 6 domain mode
How to update Java Home in JBoss EAP
Question: How to change the java home for JBOSS EAP 5 or 6? For EAP 5 Java home for JBoss EAP/SOAP can be overriden by providing the JAVA_HOME in run.conf. JAVA_HOME="/home/MyJava/jdk1.6.0" The default location of run.conf is JBoss_Home/jboss-as/bin. To update JAVA_HOME at the individual server level, then place the run.conf file under JBoss_Home/jboss-as/server/profile_name directory. For EAP 6 In standalone.conf/domain.conf, uncomment the JAVA_HOME and add the path of the jdk and … [Read more...] about How to update Java Home in JBoss EAP
How to audit all Commands run on OEL 5,6 using auditd
Question: How to log every user command executed with or without sudo and forwarding this logs to a central log file? To configure the auditd for logging all user commands please follow the below action plan. 1. Use yum to install the audit package: # yum install audit 2. To start automatically the auditd service at boot time: # chkconfig auditd on 3. add the following lines to /etc/audit/audit.rules. # vi /etc/audit/audit.rules -a exit,always -F arch=b64 -S execve -a … [Read more...] about How to audit all Commands run on OEL 5,6 using auditd
How to change the default permissions on /var/log/audit/audit.log file in CentOS/RHEL
Question: How to configure auditd to change the default permissions on the /var/log/audit/audit.log from 0600 to 0640 and also changing the group ownership of the file? By default it's not possible to change permissions on the /var/log/audit/audit.log file using ACLs, instead "log_group" parameter can be set under the file /etc/audit/audit.conf. The Steps In this example, we would like to change default permissions on the /var/audit/audit.log from 600 to 640 and also changing group from … [Read more...] about How to change the default permissions on /var/log/audit/audit.log file in CentOS/RHEL
A File Is Claimed to Be Disappearing – How to monitor a file for deletion in Linux
Question: A file seems to be disappearing and no direct reason for its disappearance can be found. How can we monitor the file access, especially the deletion of a particular file in CentOS/RHEL system? A file can be monitored through its lifecycle by using the Linux auditd service. The Steps 1. To install it on CentOS or RHEL, run: # yum install audit 2. To enable the service at boot time, run: # chkconfig auditd on # For CentOS/RHEL 6 # systemctl enable auditd # For … [Read more...] about A File Is Claimed to Be Disappearing – How to monitor a file for deletion in Linux
How to Stop Audit Log Entries Written to System Logs in CentOS/RHEL 6
This post explains how to stop audit log entries written to system logs. 1. Check the file /etc/audisp/plugins.d/syslog.conf. By default, the file "/etc/audisp/plugins.d/syslog.conf will have the below line. args = LOG_INFO This will allow syslog to log audit logs into /var/log/messages. In addition audit.d will log all the audit events to /var/log/audit/audit.log too and this is the data normally we use to check audit events. 2. Duplicating the entries in /var/log/messages is not … [Read more...] about How to Stop Audit Log Entries Written to System Logs in CentOS/RHEL 6
GUDS – A Script for Gathering Solaris Performance Data
Whats is GUDS? The GUDS script is a ksh script designed to collect the data needed to analyze performance issues. The script collects a specific set of files and runs a series of operating system utilities, the selection of which are based on the specified level. The duration, number of iterations, and other variables are provided to the script either as a set of command line arguments or are prompted for input in interactive mode. The collected data is then packaged and compressed in a … [Read more...] about GUDS – A Script for Gathering Solaris Performance Data
How to Monitor Service Start/Stop Operations using auditd
Question: How to create audit rules for monitoring services start or stop? In order to monitor the service start and stop, you will need two audit rules in place. Add the following rules in the /etc/audit.rules or /etc/audit/rules.d/audit.rules depending on the version of CentOS/RHEL you are running. (1) A rule to monitor the start, or execution, of the service. For rsyslogd the rule may look like this. -w /sbin/rsyslogd -p x -k rsyslog_run (2) A rule to monitor the stop syscall for … [Read more...] about How to Monitor Service Start/Stop Operations using auditd