Latest Blog Posts

Add space to a dynamic virtual hard drive with VirtualBox with a RHEL/CentOS/OEL 6 VM

This blog assumes your VM is RHEL or clone of RHEL using the logical volume manager – if you are not using LVM – this approach will not work. To start with expand the virtual drive from the command line (Windows in the example). VBoxManage modifyhd <absolute path to file> –resize <size in MB> For…

Oracle 12c Create a Pluggable Container DB From Seed & Changing Containers

# Creating a pluggable container from the seed container pdb$seed # First create a data sub-directory under the root container cdb$root data directory as follows (your path may vary to your oradata dir): # while logged in as the oracle / Linux user that admins the 12c database cd /u01/app/oracle/product/ mkdir pdbmf11g cd pdbmf11g #…

Oracle 12c Show Which Containers All Users Are In And Which Container You Are Currently In

When connect to the root container CDB$ROOT: select container, u.username username from v$containers c, cdb_users u where c.con_id=u.con_id order by; Just in case you are not certain which container you are currently connected to from sqlplus or sqldeveloper etc: show con_name CDB$ROOT

Getting a Windows 80244019 on a Windows Update after a Win 7 Pro install

I’ve been getting a Windows 80244019 error sometimes – when manually performing a Windows Update on a new Win 7 Pro install.  I’ve resolved this several times by restarting the Windows Update service (Control Panel->Administrative Tools->Component Services->Services->Windows Update Stop & then Start).