djonko

Free DNS Servers

• Free DNS Servers
• Changing DNS Servers
  • On Windows
    • With Cmd
• With Powershell

djonko

# In Diagnostics > Command Prompt, run:
mkdir -p /root/.ssh                                                  # Create a .ssh folder for the pfSense root user
ssh-keygen -t rsa -q -b 2048 -N "" -f /root/.ssh/id_rsa              # Generate a public/private key pair for pfSense
cat /root/.ssh/id_rsa.pub                                            # Get pfSense's public key for adding to the remote server
ssh -oStrictHostKeyChecking=no user@example.com                      # Add the remote host's host key to pfsense's "known_hosts" file

# Run this command in Diagnostics > Command Prompt
# and if it succeeds, add it as a cron job in Services > Cron
/usr/bin/scp -i /root/.ssh/id_rsa /cf/conf/config.xml user@backup.example.com:~/config-`date +\%Y-\%m-\%d`.xml 2>&1 | /usr/bin/logger -t config-backup

djonko

Setting up fail2ban with nginx proxy manager running via docker

trying to follow this tutorial, i was not able to get fail2ban to work in my setup, so here is a gist in case I forget.

1. install fail2ban

sudo apt install fail2ban

djonko

# Requis
# 1) prepare the tunnel config file Ex: /etc/wireguard/nameofconfig.conf
# 2) On debian or ubuntu install 

sudo apt install resolvconf
sudo apt install wireguard

# 3) start up the vpn tunnel 

wg-quick up nameofconfig

djonko

#!/usr/bin/env bash

EMAIL_ENV="mail@mail.com"
KEY_PATH_ENV="$HOME/.ssh/id_github_ed25519"

ssh-keygen -t ed25519 -C $EMAIL_ENV -f "$KEY_PATH_ENV"
eval "$(ssh-agent -s)"
ssh-add "$KEY_PATH_ENV"

djonko

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djonko

#!/bin/bash
set -o errexit

clear
printf "\n*** This script will download a cloud image and create a Proxmox VM template from it. ***\n\n"

### HOW TO USE
### Pre-req:
### - run on a Proxmox 6 server
### - a dhcp server should be active on vmbr1

djonko

#!/bin/bash

pct stop <id>
vzdump <id> -storage <storage> -compress lzo
pct destroy <id>
pct restore <id> /path/to/storeage/vzdump-lxc-<id>....tar.lzo --rootfs local:<newsize>

djonko

# Resize the file system in UI, under VM -> Hardware -> Click on the disk to resize, click "Resize disk" button

# Confirm increase in disk space (1TB in my case)
$ lsblk
NAME                      MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                         8:0    0    1T  0 disk
├─sda1                      8:1    0    1M  0 part
├─sda2                      8:2    0    1G  0 part /boot
└─sda3                      8:3    0    1T  0 part

djonko

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