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Firewall Setup
Install Shorewall To manage nftables/iptables I decided to go with Shorewall since it is easy to...
Logging in LXC
Logging One problem I ran into is that access to kernel logging is limited or unavailable from i...
DNS: Recursive DNS
Option 1: Unbound $ apt install unbound Recursive DNS can sometimes sacrifice speed for secur...
Initial Network Setup
Configure Interfaces I need Internet access to download all the packages necessary so I setup DH...
DKIM (DomainKeys Identified Mail)
Introduction DomainKeys Identified Mail (DKIM) is an email authentication method designed to d...
DMARC (Domain based Message Authentication, Reporting and Conformance)
Introduction DMARC (Domain-based Message Authentication, Reporting and Conformance) is an emai...
PCI Passthrough
Ensure IOMMU Is Activated First step of this process is to make sure that your hardware is eve...
SR-IOV
Ensure IOMMU Is Activated First step of this process is to make sure that your hardware is eve...
Passwords
Generate Random Password With pwgen (generate 1 password, length 16, with a least a number and u...
Bridge Zero Copy Transmit
Zero copy transmit mode is effective on large packet sizes. It typically reduces the host CPU o...
Isolate CPUs from Kernel Scheduler
Disable CPU(s) Sysfs # echo 0 > /sys/devices/system/cpu/cpu4/online When disabling a CPU thi...
Configuration (deprecated)
DHCP Server Domain Subnet Gateway hermz 10.0.0.0/21 10.0.1.1 IP Reserv...
VM / firewall (needs verification)
Description This VM is for running VyOS to act as a firewall/router for the network. Originally ...
Base Install
Operating System Proxmox Virtual Environment 6.x Configuration Proxmox configuration has bee...
Base Install
Operating System Proxmox Virtual Environment 6.x Configuration Proxmox configuration has bee...
Base Install
Operating System Proxmox Virtual Environment 6.x Configuration Proxmox configuration has bee...
LXC NIC Passthrough
On the rare occation you have a good reason to forgo the small overhead of an veth (Virtual Ether...
Copy a GPT Partition Table to Another Disk
Command Syntax To clone GPT partition table command syntax are as following. sgdisk -R <New_Dis...
Base Install
Operation System Proxmox Virtual Environment 6.x
Physical Hardware
Basic Components Proectli Vault Compute Processor Intel Celeron Bay Tra...