gilangvperdana

DevStack with Magnum & Heat local.conf Template

Installaion

Provisioning with DevStack can be seen Here

Local.conf Configuration

nano local.conf

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Local Forwarding

If you want to locally access a cloud application that has the address 192.168.100.2:82 and can only be reached by your VM, you can use the technique below. That way you can access your local localhost:80.

ssh -L LocalPortAccess:AppsIPAddresses:AppsPortAddresses user@VPSPublicIP -pXXXX
ssh -L 80:127.0.0.1:30001 student@lab4.btech.id -p10013

Remote Forwarding

If you want to access your local application with the application address 127.0.0.1:30001 then you can access it on your VPS on port 80 you can use the technique below:

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Note about IPTables on Linux

Commands

• Flush existing ruleset:

iptables -F
iptables -t nat -F

• Set reasonable policy defaults (that is, these are "reasonable" for an exposed firewall; you may decide that an input policy of ACCEPT is, well, acceptable in this particular scenario):

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All About Apache / Httpd

Baremetal

• Installation

apt install -y apache2

• Configuration on /etc/apache2/

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All About Web Server on Docker

Nginx

• QuickStart

  docker pull gilangvperdana/landingpages:nginx
  

• Dockerfile

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Self Hosted Minecraft Server on Linux with Docker

PC Version

• Source

mkdir mc
cd mc
mkdir minecraft-data
touch docker-compose.yml

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Fix SSH Key are too open on Windows 11

If you want to login with your key, but you see an error permission windows 11 "SSH key are too open" do this :

• Make sure you was regenerate your key from puttygen to OpenSSH Key format
• Open your Windows PowerShell then :

$path = ".\path\to\your\key.pem"
icacls.exe $path /reset
icacls.exe $path /GRANT:R "$($env:USERNAME):(R)"
icacls.exe $path /inheritance:r

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Nginx Reverse Proxy for SSH

Use Case

• 10.10.10.50 is Target VM will to SSH
• We will expose this to localhost:32

Configuration

• Make upstream conf :

nano /etc/nginx/conf.d/stream.conf.ssh

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Make OpenVPN auto Reconnect on Reboot

Configuration

• Edit on openvpn configuration

sudo nano /etc/default/openvpn

• Uncomment AUTOSTART="all"
• mv your_cred.ovpn /etc/openvpn/your_cred.conf
• Reload Daemon

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Systemd Alert to Telegram

The purposes is to auto alerting while systemd goes to failed/activate/stopped state to telegram with efficient scripting & services.

Warn

your_service is your systemd service who you want to monitor.

Configure

• Set Telegram Key

mkdir /etc/telegram