If you having public key is not available or miss delete trusted.gpg file under /etc/apt/, here are the solution. Solution
Linux
Open-sourced computer and mobile devices
Computer System76 (Laptop, Mini, Desktop, Server) – https://system76.com Puri.sm – (Desktop, Mini, Server, Laptop) – https://puri.sm/products/ Mobile phone E-foundation –…
Python3 on Mac SSL certificate verify failed
Lib: json, urllib.request Sample code Error Solution via Install Certificate.command Solution via pip upgrade Solution workaround in code
Docker clean up overlay
Updated: July 28, 2020 If you are having docker /var/lib/docker/overlay use almost of your storage, then you should ran some…
Debian install Nodejs 14
Nodejs 14 on Debian 10 buster Node.js 14 was released on 2020-04-21 and is expected to enter active LTS state…
Debian buster setup Openconnect VPN with valid SSL certificate
A short and easy step by step tutorial about how to setup your own Openconnect VPN on Debian with SSL
CURL 101 on Linux
Curl using Dns-over-HTTPS ( DoH) If the site only accept tls1.3 If the site only accept tls1.2 Upload a file…
Raspberry Pi auto-start script
There are three ways to start a script or program on startup. Env: Raspberry Pi 3, 4 (Debian 10 or…
Prevent BaiduSpider from crawling your site
Method 1: User-agent block Method 2: robots.txt Method 3: Block IP Method 4: .htaccess Photo by Nicolas Picard on Unsplash
Ocserv self-signed Certs
Deploy your own CA ENV: Debian 10 Buster 64bitDependencies: GnuTLS Install GnuTLS and Generate key Make a CA Template Let’s…