Merge pull request #417 from bgraef/main

fix btrfs backup and freeipa posts

content/posts/ol/admin/post-25/index.md

@@ -19,16 +19,24 @@ FreeIPA is an open-source identity and authentication management system for Linu
 
 Beyond the scope of this tutorial, FreeIPA also provides MIT Kerberos for Single-Sign-on authentication, the Dogtag Certificate Authority, and optional Domain Name management through an ISC Bind server.
 
-These guides show how to install FreeIPA and configure the included LDAP directory.
+This tutorial shows how to install FreeIPA and configure the included LDAP directory.
 
 ### Objectives
 
+In this tutorial, you will learn how to:
+
   - Install FreeIPA Server
   - Disable anonymous binds
   - Add Users and Groups
 
-### What Do You Need?
+### Prerequisites
+
+- Minimum of a single Oracle Linux system
+
+- Each system should have Oracle Linux installed and configured with:
+    - A non-root user account with sudo access
+    - Access to the Internet
+    - An FQDN (Fully Qualified Domain Name ) pointing to your server’s IP address
 
-  - A system with a minimum of 2 vCPUs, 2GB of RAM, and Oracle Linux installed
-  - An FQDN (Fully Qualified Domain Name ) pointing to your server’s IP address
+> For more information on requirements for FreeIPA, see the upstream [Quick Start Guide](https://www.freeipa.org/page/Quick_Start_Guide#Preparing_a_Platform).
 

content/posts/ol/storage/post-29/index.md

@@ -1,8 +1,8 @@
 ---
-title: "Use Btrfs Send and Recv"
+title: "Use Btrfs Send and Receive"
 date: 2024-08-20
 draft: false
-summary: "Learn how to use the Btrfs send and recv features to remotely back up a subvolume over SSH."
+summary: "Learn how to use the Btrfs send and receive features to remotely back up a subvolume over SSH."
 tags: ["ol", "tutorial", "ol-storage"]
 showDate: true
 ---
@@ -15,7 +15,7 @@ showDate: true
 
 ## Details
 
-Having a backup is essential to avoid losing data. Using Btrfs and its send and recv features, we can configure secure sender and receiver systems to securely and efficiently remote backup a subvolume over SSH. Then, set up Systemd timers to perform regular, timely backups.
+Having a backup is essential to avoid losing data. Using Btrfs and its send and receive features, we can configure secure sender and receiver systems to securely and efficiently remote backup a subvolume over SSH. Then, set up Systemd timers to perform regular, timely backups.
 
 Note that only the changes made on the sender system are copied to the receiver system, reducing the backup facility's overhead. Since the systems use Btrfs snapshots, the disk usage for incremental backups is restricted only to the size of the changes.