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  • Configuring JBoss 6.x to Run as a Service Under RHEL and CentOS
    12/22/2011 11:28AM

    In most cases you will want to run JBoss as a non-privileged user.  For this example we will set up a jboss user (adding the user is an excersize for the user).  This example covers jboss-6.1.0-Final.

    • Add $JAVA_HOME and $JBOSS_HOME environmental vars to .bash_profile for your jboss user.  $JAVA_HOME points to your install of the JDK and $JBOSS_HOME points to your jboss installation directory.
      JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk.x86_64
      export JAVA_HOME
      PATH=$JAVA_HOME/bin:$PATH
      export PATH
    JBOSS_HOME=/opt/jboss/
    export JBOSS_HOME

    • Once you have done the basic JBoss installation set up, copy the jboss_init_redhat.sh to /etc/init.d/jboss.
    • Add the following directly below the #!/bin/bash line:
    # description: JBoss Start Stop Restart
    # processname: jboss
    # chkconfig: 234 20 80

    • Set JBOSS_HOME
    • JAVAPTH to the location of your JDK
    • Set JBOSS_CONF to the profile you want to run
    • define a $JBOSS_HOST variable and set it to either the IP address or host name of the machine on which you are running jboss.
    • Update the JBOSSCP to include the jbossall-client.jar
    JBOSSCP=${JBOSSCP:-"$JBOSS_HOME/bin/shutdown.jar:$JBOSS_HOME/client/jbossall-client.jar"}
    • Replace the JBOSS_CMD_STOP with the following line (the uid:password combo is whatever you used to lock down the admin console in jboss):
    JBOSS_CMD_STOP="$JBOSS_HOME/bin/shutdown.sh -s service:jmx:rmi:///jndi/rmi://192.168.126.128:1090/jmxrmi -u admin -p password"
    • Enable jboss as a service in the OS:
    • Make the jboss script executable:
    • # chmod 755 jboss
    Add it as a service via chkconfig:
    • # chkconfig --add jboss
    Set the run levels for the jboss service
    • # chkconfig --level 2345 jboss on
  • Installing HP LaserJet 4050 Network Printer under Window 7 64bit
    12/19/2011 10:10PM
    When attempting to install an HP LaserJet 4050 network printer under Win 7 64bit all you need to do is use the LaserJet 4200/4300 PCL6 naitive drivers that come with Windows.
  • Fix For: Pango-WARNING **: failed to choose a font, expect ugly output and Other FireFox Errors
    11/29/2011 1:54PM
    $ firefox &
    [1] 1933

    $
    (firefox:1947): Pango-WARNING **: failed to choose a font, expect ugly output. engine-type='PangoRenderFc', script='common'
    GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -? 1: Failed to get connection to session: /bin/dbus-launch terminated abnormally without any error message)

    (firefox:1947): Pango-WARNING **: failed to choose a font, expect ugly output. engine-type='PangoRenderFc', script='common'
    GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://projects.gnome.org/gconf/ for information. (Details -? 1: Failed to get connection to session: /bin/dbus-launch terminated abnormally without any error message)
    /usr/lib64/firefox-3.6/run-mozilla.sh: line 131:? 1947 Segmentation fault????? "$prog" ${1+"$@"}

    [1]+? Exit 139??????????????? firefox


    Should you see such an error when attempting to run FireFox from a remote terminal connecting to a local XServer (Xming, or similar) check the following:

    1. That the haldaemon is running
    2. That the dbus-x11 package is installed.? On RedHat based systems, you can yum install dbus-x11
    3. That you have fonts installed.? I did a bit of a brute force approach and ran: yum groupinstall 'Fonts'
  • Redirecting All Web Requests to the WWW. DNS Entry for Your Web Site
    11/20/2011 10:14PM

    If you would like to redirect all non 'www' requests for pages on your site to the 'www' dns entry add the following to your .htaccess file in the document root of your site:

    RewriteEngine On
    RewriteCond %{HTTP_HOST} !^www\.
    RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

  • Enabling Parsing and Processing of PHP code in Files With .html Extensions for GoDaddy.com Hosting Accounts
    11/20/2011 9:43PM

    There are times when a web master will want to have the default file extension for a given website stay consistent regardless of how the files are preprocessed on the server-side or what server-side scripting language is being used.

    To set up your GoDaddy.com 4GH, Linux hosted account to parse PHP code in .html files, do the following:

    1. Log in to your account.
    2. Go to the control panel for the web site in question.
    3. In the control panel click on the 'Settings' sub-section.
    4. Click on the 'File Extensions Management' icon/link.
    5. Click on the 'Custom Extensions' link in the left-hand column.
    6. Click on 'New Extension' in the upper right of the page.
    7. Enter '.html' for the extension, and select 'PHP 5.x.x' from the drop-down.
    8. Click 'OK'
    Once you click the 'OK' button you can now add PHP code to your .html files.
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