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  • Mastering Proxmox
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Mastering Proxmox

Mastering Proxmox

By : Ahmed
4.3 (18)
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Mastering Proxmox

Mastering Proxmox

4.3 (18)
By: Ahmed

Overview of this book

This is not an instructional guide, but a practical, scenario-based book which guides you through everything you need to know in a practical manner by letting you build your own cluster. By the end of the book, you will have a fully functional Proxmox cluster setup at your disposal and have the knowledge to replicate virtualization solutions .If you already know what the word virtualization means and you are ready to stand out from the crowd equipped with the unique ability to design and implement a rock-solid virtualized network environment using Proxmox, then you have just picked up the only book you will need. Linux system administration experience together with knowledge of networking and virtualization concepts is assumed. This book is also useful if you are already using Proxmox and simply want to master its advanced features.
Table of Contents (12 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Dive into the Virtual World with Proxmox
1. Dive into the Virtual World with Proxmox
Proxmox cluster required
The Proxmox Graphical User Interface (GUI)
Setting up a basic cluster
Summary
2
2. Proxmox Under the Hood
2. Proxmox Under the Hood
The Proxmox cluster directory structure
Dissecting the configuration files
User configuration files
Member nodes
The virtual machine list file
The cluster logfile
Summary
3
3. Shared Storages with Proxmox
3. Shared Storages with Proxmox
Local storage versus shared storage
Local and shared storage comparison
Virtual disk image
Storage types in Proxmox
Noncommercial/commercial storage options
FreeNAS – budget shared storage
Summary
4
4. A Virtual Machine for a Virtual World
4. A Virtual Machine for a Virtual World
Creating a VM from a template
Advanced configuration options for a VM
Nested virtual environment
Backing up a virtual machine
Summary
5
5. Network of Virtual Networks
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5. Network of Virtual Networks
Introduction to a virtual network
Physical network versus virtual network
Networking components in Proxmox
Network configuration file
Adding a virtual bridge
Adding a bonding interface
Adding NAT/masquerading
Adding VLAN
Sample virtual networks
Multitenant virtual environment
Summary
6
6. Proxmox HA – Zero Downtime
6. Proxmox HA – Zero Downtime
Understanding High Availability
High Availability in Proxmox
Configuring Proxmox HA
Proxmox HA need to know
Summary
7
7. High Availability Storage for High Availability Cluster
7. High Availability Storage for High Availability Cluster
Introducing the Ceph storage
Reasons to use Ceph
Virtual Ceph for training
The Ceph components
The Ceph cluster
Installing Ceph using an OS
Installing Ceph on Proxmox
Creating a Ceph FS
Learning Ceph's CRUSH map
Managing Ceph pools
Ceph benchmarking
The Ceph command list
Summary
8
8. Proxmox Production Level Setup
8. Proxmox Production Level Setup
Defining a production level
Brand servers
AMD-based hardware selection
Summary
9
9. Proxmox Troubleshooting
9. Proxmox Troubleshooting
Main cluster issues
Storage issues
Network connectivity issues
KVM virtual machine issues
OpenVZ container issues
Backup/restore issues
VNC/SPICE console issues
Summary
10
10. Putting It All Together
10. Putting It All Together
Scenario #1 – academic institution
Scenario #2 – multitier storage cluster using Proxmox cluster
Scenario #3 – virtual infrastructure for multitenant cloud service provider
Scenario #4 – a nested virtual environment for a software development company
Scenario #5 – a virtual infrastructure for the public library
Scenario #6 – multifloor office virtual infrastructure with virtual desktops
Scenario #7 – virtual infrastructure for hotel industry
Scenario #8 – virtual infrastructure for a geological survey organization
Network diagrams for scenarios
Summary
11
Index
Index

Adding NAT/masquerading

NAT is a way to hide internal network IP addresses from the external network, such as the Internet. Any outgoing traffic uses the main host IP address instead of using own local IP address. Add the last three lines of the following post-up and post-down settings in the configuration file /etc/network/interfaces. Only add these lines under the virtual bridge configuration which needs the NAT option. Have a look at the following code snippet:

auto vmbr0
iface vmbr0 inet static
address 192.168.145.1
netmask 255.255.255.0
bridge_ports none
bridge_stp off
bridge_fd 0post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up iptables -t nat -A POSTROUTING -s '192.168.145.0/24' -o eth0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '192.168.145.0/24' -o eth0 -j MASQUERADE

Tip

It is much easier and manageable to handle NAT using a physical or virtual firewall. Most of the firewalls have the NAT option out of the box. Also, using virtualized firewalls, we can create...

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