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How to set up monit on domain.com

vim /etc/monit/monitrc

set daemon  30

set mailserver smtp.gmail.com port 587              # primary mailserver
username "tester@gmail.com" password "my_password"
using tls
with timeout 30 seconds

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sudo yum install yum-utils -y
sudo yum-config-manager --disable remi-php74
sudo yum-config-manager --enable remi-php82
sudo yum install php php-cli php-fpm php-json php-common php-mysqlnd php-xml php-gd php-mbstring php-intl php-opcache -y

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#! /bin/sh
# set -x

stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 360s

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CentOS 7

/etc/yum.repos.d/CentOS-Base.repo

[base]
name=CentOS-$releasever - Base
baseurl=http://vault.centos.org/centos/$releasever/os/$basearch
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

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Calculate processes given a specific process name

Let's start with listing the processes of a php5-fpm:

ps -C php5-fpm

Display the process size:

ps -C php5-fpm -o rss=

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References

• https://remix.run/docs/en/main/start/tutorial

Introduction

Remix is built on top of React Router. It uses JSX.

Remix Entrypoint File

app/root.tsx

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References:

• Tutorial ReactJS
• ReactJS Ecosystem Guide
• A collection of awesome things regarding the React ecosystem

Pengenalan React

Kenapa React disebut Library bukan Framework?

karena ada banyak pilihan untuk melakukan sesuatu dan kita harus memilih tools (package) sendiri dan membuat design system yang tepat untuk proyek tertentu

• Butuh static site? Pake Gatsby.js
• Butuh Server Side Rendering? Pake Next.js

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Ubuntu:

• Copy the cert files to /etc/ssl/certs
• Run update-ca-certificates

CentOS:

1. Run update-ca-trust force-enable
2. Copy CA certificate files to /etc/pki/ca-trust/source/anchors
3. Run update-ca-trust
4. Restart any web engine service

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Limit HTTP method based on IPs

<Limit POST PUT DELETE>
 order deny,allow
 deny from all
 #allow from localhost
 #allow from 127.0.0.1
 allow from xxx.xxx.xx.xx
</Limit>

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Traefik Use Cases

• Reverse Proxy
• API Gateway
• Load Balancing
• Certificate Management
• Kubernetes Ingress

Traefik Providers

• a provider links an infrastructure component (Orchestrator, Container Engine, Key-Value store, or File to Traefik)
• Configure Traefik to connect to the Provider