OPNsense a OpenVPN na portu 443 – Kompletní manuální nastavení a testování

V dnešním návodu si podrobně probereme nastavení OpenVPN serveru na OPNsense firewallu s využitím nestandardního portu 443. Port 443 je zajímavý tím, že většina firemních sítí a veřejných WiFi ho povoluje, což vám umožní obejít mnoho síťových restrikcí. Proč právě port 443? Standardní OpenVPN port je 1194/UDP, ale ten je často blokován firewally. Port 443 … Číst dál

MIKROTIK VLAN SWITCH

https://www.derekseaman.com/2021/03/home-lab-mikrotik-ccr2004-and-crs317-configuration.html Very recently I decided to completely re-do my home lab hardware, and really step things up a few notches. My previous home lab gear was too old to use for anything useful, so out with old and in with the new! As a result of this new gear, I wanted to publish at least … Číst dál

RESEARCH ON PERFORMANCE TUNING OF HDD-BASED CEPH* CLUSTER USING OPEN CAS

source is here https://01.org/blogs/tingjie/2020/research-performance-tuning-hdd-based-ceph-cluster-using-open-cas PREFACE Ceph* is a widely used distributed-storage solution. The performance of Ceph varies greatly in different configuration environments. Many clusters in production environments are deployed on hard disks. For various types of workloads, performance requirements are also different. We built a Ceph cluster based on the Open-CAS caching framework. We made … Číst dál

spree ecommerce howto

Instalace Ruby on Rails and git account sudo snap install ruby –classic nebo https://gorails.com/setup/ubuntu/18.04 https://websiteforstudents.com/installing-postgresql-10-on-ubuntu-16-04-17-10-18-04/   Debuging on vscode https://dev.to/dnamsons/ruby-debugging-in-vscode-3bkj create databasse    spree and cms http://www.brice-sanchez.com/5-easy-steps-to-use-refinery-cms-and-spree-e-commerce-on-the-same-ruby-on-rails-application/

Unbrick Linksys e2600 and upload new firmware

Download firmware from https://advancedtomato.com/downloads/router/e2500v3 add connnector on board near blue WPS button and connect RX,TX and GND to TTL Serial usb minicom connect to /dev/ttyUSB0, 115200,  Ctrl+C Work upload by TFTP client, but need classificate what parttion you update https://www.dd-wrt.com/phpBB2/viewtopic.php?p=895421#895421 flash -ctheader : flash1.trx # after this command run tftp # tftp -m binary -c put [firmware] … Číst dál

LoraGW and LoRaClient esp32 TTON

https://github.com/kersing/LoRaWAN-Tracker-workshop   https://github.com/kersing/ESP-1ch-Gateway-v5.0 Getting Home Assistant, Mosquitto MQTT, and CloudMQTT To Work Together Using an MQTT Bridge https://home-assistant.io/blog/2017/11/10/ttn-with-mqtt/