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KT's DevOps Notes
  • Hello World
  • Misc
    • Ubuntu Setup
    • Mac Os Setup
  • Database
    • Redis
      • How To Migrate Redis Data to a DigitalOcean Managed Database
      • How To Connect to a Managed Redis Instance over TLS with Stunnel and redis-cli
    • MariaDB
      • How to Setup MariaDB Galera Cluster on Ubuntu 18.04 with HAProxy
      • How to change innodb_thread_concurrency Read/Wirte Concurrency in MySQL
      • How to change innodb_write_io_threads in MySQL
      • How to change innodb_read_io_threads in MySQL
  • OCI Foundations 2020 Associate Certification | 1Z0–1085–20 | Preparation…
  • Security
  • Ubuntu
    • Apache Server Configuration
      • Configuring Let’s Encrypt SSL Cert for Apache on Ubuntu 18.04
      • Installing Apache, MySQL, PHP (LAMP) Stack on Ubuntu 18.04
      • Installing Apache on Ubuntu 18.04 with Multiple Domains
    • Nginx Server Configuration
      • Robots.txt disallow all with nginx
      • Installing Nginx, MySQL, PHP (LEMP) Stack on Ubuntu 18.04
      • Installing Nginx on Ubuntu 18.04 with Multiple Domains
      • Configuring Let’s Encrypt SSL Cert for Nginx on Ubuntu 18.04
    • Creating Swap Space on Ubuntu 18.04
    • Dell Inspiron 7559 Ubuntu Linux Guide
    • How to configure Postfix to use Gmail SMTP on Ubuntu 18.04 & 16.04 | LeetDev
  • Setting up SSL Certificates for HAProxy with certbot
  • PHP
  • PHP / Apache: Set Max File Upload and Post Size | LeetDev
  • Upgrade centos7 openssh & openssl to the latest version
  • Downgrading to php7.3 on Amazon Linux 2
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