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🔐 Karlo Luiten

Think Evil, DO Good

🔐 Karlo Luiten

Think Evil, DO Good

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Networking

Mikrotik RouterOS guest VLAN routed over ProtonVPN (2023)

karlo May 9, 2023 0 Comments

Get a wireguard config, it has a private key and peer information Add a new wireguard interface, I called it proton1. Use the private key from the config file. Add…

Linux Networking

SSH jump host config

karlo April 8, 2023 0 Comments

My remote hosts are on srvXX.remote.com. I have a jump host jump.remote.com. I want to be able to type ssh srv42.remote.com and connect, without first having to ssh to jump.remote.com.…

Networking Proxmox

Wireguard site-to-site (proxmox to mikrotik/routeros)

karlo April 8, 2023 0 Comments

I wanted to connect my dedicated hetzner proxmox box ("remote") to my home IP. Networks: Home has 10.0.40.0/24 and 10.0.60.0/24 Remote has 10.0.101.0/24 At home I created on my mikrotik:…

Networking Proxmox

Masquerade ip forward for Proxmox on hetzner (single IP)

karlo April 7, 2023 0 Comments

This works for me: Install plain debian 11, install proxmox Screenshot IPs of interface Clear all IP data from existing/default interface Create Linux bridge with IP info Then open SSH…

Networking

T-Mobile Thuis werkende SMTP 2023 (Fix Relay access denied)

karlo March 14, 2023 0 Comments

Ik kreeg de melding: Mar 14 04:21:48 srv14.domein.nl postfix/smtp[61178]: 2E7A92402A4: to=root@domein.nl, orig_to=root@srv14.domein.nl, relay=smtp.t-mobilethuis.nl[37.143.82.162]:25, delay=0.06, delays=0.01/0/0.04/0.01, dsn=5.7.1, status=bounced (host smtp.t-mobilethuis.nl[37.143.82.162] said: 554 5.7.1 root@domein.nl: Relay access denied (in reply to RCPT…

Debian Networking

Simple SSH backup of routeros / mikrotik

karlo March 8, 2023 0 Comments

Prerequisites: A linux host within your network SSH enabled on your router FW routes from host to router Howto: 1. Create ssh keys (without passphrase) on the linux host: ssh-keygen…

Networking

Proxmox VLANs ‘on a stick’

karlo March 7, 2023 0 Comments

Make your bridge interface VLAN aware Add vlans on your bridge Give VMs the bridge interface with tag Example:

Networking

T-Mobile thuis (NL) Routeros/Mikrotik-configuratie (met VLANs)

karlo March 3, 2023 0 Comments

Ik wilde: IP krijgen van T-Mobile (vlan 300 whoo) VLANs tagged op ether2, switch regelt het dan verder Hairpin nat voor load balancer (10.0.60.16) TODO: Firewalling In voorbeeld hieronder is…

Networking

Mikrotik routeros various findings

karlo February 26, 2023 0 Comments

Meaning of service tag Setting use-service-tag=no sets the vlan ethertype to the .q standard of 0x8100Setting use-service-tag=yes sets the vlan ethertype to the .ad standard of 0x88a8 source Set MAC…

Posts

  • Python upgrade venv python binary/version September 15, 2023
  • Git use different ssh key once September 12, 2023
  • TASK ERROR: zfs error: could not find any snapshots to destroy; check snapshot names. September 5, 2023
  • Upgrade postgresql cluster from 13 to 15 June 29, 2023
  • Upgrade debian 11 to 12 June 29, 2023
  • Elasticsearch start fail on debian 11 after install from ES repos May 16, 2023
  • Add a simple password to apache site May 11, 2023
  • Linux: add user to existing group May 11, 2023
  • Mikrotik RouterOS guest VLAN routed over ProtonVPN (2023) May 9, 2023
  • SSH in for loop (consuming stdin / using file descriptor 3) May 7, 2023
  • Bash clear tmp files (for script) on exit (trap) May 7, 2023
  • Apache2 (apache) forward https headers May 3, 2023
  • Postgres read long lines (wrap text) May 1, 2023
  • Install `strings` command in debian/linux April 30, 2023
  • SSH jump host config April 8, 2023
  • Wireguard site-to-site (proxmox to mikrotik/routeros) April 8, 2023
  • Masquerade ip forward for Proxmox on hetzner (single IP) April 7, 2023
  • Proxmox migrate to node outside of cluster April 7, 2023
  • Fix “Cannot remove image, a guest with VMID ‘xxx’ exists!” April 7, 2023
  • Add Microsoft fonts (like Arial) to Nextcloud Office (Collabora) April 4, 2023

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Python upgrade venv python binary/version

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Git use different ssh key once

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TASK ERROR: zfs error: could not find any snapshots to destroy; check snapshot names.

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Upgrade postgresql cluster from 13 to 15

🔐 Karlo Luiten

Think Evil, DO Good

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