Epidemiology & Technology

Blog Archive

NTP Server setup in Ubuntu 22.04

NTP server is an essential component of ant Datacenter To set up a NTP server, use the following steps Additional help: https://chrony.tuxfamily.org/faq.html https://ubuntu.com/blog/ubuntu-bionic-using-chrony-to-configure-ntp https://www.vultr.com/docs/install-an-ntp-server-with-chrony-on-ubuntu-20-04/ https://ubuntu.com/server/docs/security-firewall

Google Apache mod_pagespeed

Instructions on Usage: https://developers.google.com/speed/pagespeed/module Installation

Jitsi Find current installed versions

Jitsi JWT

Steps: https://github.com/jitsi/lib-jitsi-meet/blob/master/doc/tokens.md https://community.jitsi.org/t/jitsi-meet-tokens-unable-to-install/29325/5 https://github.com/ASolomatin/luajwt/tree/replace_luacrypto https://github.com/christiancuri/Docs/blob/master/Jitsi%20Meet%20Installation.md https://community.jitsi.org/t/heres-how-you-should-install-jitsi-meet-tokens-on-debian-10/59606 https://community.jitsi.org/t/jwt-token-authentication-broken-on-debian-10-with-openssl-1-1/31027/5 Most Important - Luarocks with lua 5.2 Luacrypto Installation Fails if you use AS per https://github.com/mkottman/luacrypto - LuaCrypto provides a Lua frontend to the OpenSSL cryptographic library. The OpenSSL features that are currently exposed are digests (MD5, SHA-1, HMAC, and more) and crypto-grade

Jitsi backup and Restore settings

Backup

Jisti meet Customizations

The Key Files are Videobridge Advanced ConfigurationStatistics JICOFO Disable Auto login NginX SSL COTURN SSL PROSODY SSL Basic Auth Speaker Stats User Accounts Jisti Meet Features Logo Welcome Text Kicked out text UI Elements / Buttons and Website name Website Title Jitsi Meet Optimization Background Muted

Zabbix Ports – troubleshooting

a long hallway with glass doors leading to another room
Checking routes to a hostON HOST

MongoDB on Ubuntu18.04 from the MongoDb website

Commands to set up MongoDb 4.2 LINK The mongodb package provided by Ubuntu is not maintained by MongoDB Inc. and conflicts with the official mongodb-org package. If you have already installed the mongodb package on your Ubuntu system, you must first uninstall the mongodb package before proceeding with these instructions.

Nginx, PHP, WordPress

Install Nginx and PHP-FPM PHP 7.2 FPM Install Wordpress Configure NGINX Complete Wordpress Installation

WordPress .htaccess

Enable Modules HTTP to HTTPS redirection of within site links Expires ensure that the deflate, headers and expires modules are enabled Apache Settings for speed Other .htaccess settings