Linux

OSWatcher as included in AHF 20.1.2 fails to start for single instance Oracle

I am about to update my posts detailing the use of Tracefile Analyzer (TFA) now that…
Creating a new disk group for use with ASM Filter Driver on the command line in Oracle 19c

In my previous post I shared my surprise when I learned that calling gridSetup.sh 19c for…
Silent installation: Oracle Restart 19c, ASM Filter Driver, RHCK edition

As promised in the earlier post here are my notes about installing Oracle Restart 19c on…
Vagrant tips’n’tricks: changing /etc/hosts automatically for Oracle Universal Installer

Oracle Universal Installer, or OUI for short, doesn’t at all like it if the hostname resolves…
Tips’n’tricks: finding the (injected) private key pair used in Vagrant boxes

In an earlier article I described how you could use SSH keys to log into a…
Tips’n’tricks: understanding “too many authentication failures” in SSH

Virtualbox VMs powered by Vagrant require authentication via SSH keys so you don’t have to provide…
Ansible Tips’n’tricks: rebooting Vagrant boxes after a kernel upgrade

Occasionally I have to reboot my Vagrant boxes after kernel updates have been installed as part…
orachk can now warn about unwanted cleanup of files in /var/tmp/.oracle

Some time ago @martinberx mentioned on twitter that one of his Linux systems suffered from Clusterware…
Ansible tips’n’tricks: executing a loop conditionally

When writing playbooks, I occasionally add optional tasks. These tasks are only executed if a corresponding…
Dead Connection Detection (DCD) and the Oracle database

Dead Connection Detection is a useful feature of the Oracle database: it allows for the cleanup…