Redhat-Troubleshooting Links provided by RedHat support
redhat-versions Details of the kernels, revision names and release notes
redhat-services List of Redhat services and what they are used for
redhat-udev-nic details on how to setup udev rules so that the ethx names do not change
subscription Details on how to subscribe to a channel
Adding a RHEL 6 Server to Active directory
repository Instruction on setting up repositories and how to update them
redhat7 Redhat 7 specific stuff
How to set up a a RHEL Cluster
for most purposes Oracle Linux is like Redhat main differences are the Unbreakable Linux Kernel
repository Instructions on how to set a Repository for Oracle
OracleASM Checking and Removing ASM disks
Ksplice Setting up and using ksplice
oracle client Setting up Oracle cliient
Link showing how to install Oracle 12c inLinux 7.4 https://www.youtube.com/watch?v=4lW8V-HGIZc
Ansible Ansible related stuff
ClassNotes Notes from Redhat classes and training
openshift OPenshift related links
sles-versions Details of the kernels, revision names and release notes
linux-commands Here are a list of useful linux commands
linux-hardening Resources used for hardening Linux
cfg2html-install Great utility to use for getting details of servers after they are installed.
SSH-secureshell Putty like application but MUCH better its licensed so expensive
mRemote another Putty like application