Recently Updated Pages
Hyper-V
Nested Virtualisation - Allows enabling of Hyper-V inside a virtual server to create nested virtu...
Powershell
Verb-Noun Structure Verb-N... Tab for intellisense Stop-Service <inputObject> Parameters are req...
Group Policy
Group Policy Policies are filtered down: Block inheritance - applied at a level to block all poli...
Hybrid Identity Authentication & Entra Connect
Hybrid identity model & directory synchronisation is the most common for enterprise users Directo...
Domains, Trees, Forests
Domains, Trees & Forests Every Domain is part of a Tree, is part of a Forest (even a single domai...
Domain Controller AD Partitions
Active Directory Partitions Global Catalog Server Not all Domain Controllers must be Global Catal...
Flexible Single Master Operations (FSMO)
Flexible Single Master Operations (FSMO) Certain roles / jobs that can't have multiple writeable ...
Read-Only Domain Controller (RODC)
Read Only Domain Controller (RODC) Receives replication (one way), does not store login informati...
Overview
Entra ID (formerly Azure AD) - PAAS Exchange Online - PAAS (Admin side) & SAAS (User side) Sharep...
Networking
Basic Commands ip a Display network inerfaces and details ip addr ifconfig hostnamectl set-hostna...
Setup
home vms 192.168.50.164 192.168.50.105 work vms 192.168.17.185 192.168.17.208 Hyper V Disable sec...
Software & Packages
RHC Connect (needed for package commands) rhc connect -u username -p password connects to red hat...
Boot Modes & Recovery
New Boot Process (CentOS/RHEL 7 and above): systemd manages boot sequence backward compatible wit...
Network File Shares
Network file sharing (Linux to Linux) A client's mounted NFS export appears as a local directory ...
Stratis Pools
Stratis Red Hat 8 introduced Stratis volume management Uses thin provisioning (starts with 546Mb)...
Storage & LVM
Types of Storage Local Storage SAN (Storage Area Network) NAS (Network Attached Storage) Basic ...
Containers
Containers allows developers to test and build applications on any computer by putting it in a co...
Archive & FTP
Archive and Compress Files tar cvf nsotelo.tar /home/nsotelo archive all folders in /home/nsotelo...
Network Firewall
Software Firewall (Runs on operating system) Hardware Firewall (Dedicated network appliance) Mode...
System Performance
Tuned - dynamic system duning daemon rpm -qa | grep tuned check if tuned package is installed yum...