hamidrhashmi

Enable CRB

dnf config-manager --set-enabled crb

Enable Epel Repo for Rocky 8

dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
dnf install https://dl.fedoraproject.org/pub/epel/epel-next-release-latest-8.noarch.rpm

hamidrhashmi

Prerequisite

1. Debian 12 Machine
2. on a cloud with Public IP (I am using DidgitalOcean)
3. inerface name of public IP ( my interface name is eth0)

STEP 1: Configure IP Forwarding

Eidt sysctl.conf file

vim /etc/sysctl.conf

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#!/usr/bin/env python3.11
# -*- coding: utf-8 -*-
"""Converts viscosity export files into an open vpn package
Usage: viscosity-to-openvpn.py <input> <output>
"""
import io
import os
import sys
import tarfile

hamidrhashmi

Download and install the Latest heplify release

wget https://github.com/sipcapture/heplify/releases/latest/download/heplify
chmod +x heplify
mv heplify /usr/bin/heplify

Create service file for heplify

vim /etc/systemd/system/heplify.service

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DEFAULT values

sysctl -a | grep "net.ipv4.ip_forward \|net.ipv6.conf.all.forwarding\|net.ipv4.conf.all.accept_redirects\|net.ipv4.conf.all.send_redirects"
net.ipv4.conf.all.accept_redirects = 1
net.ipv4.conf.all.send_redirects = 1
net.ipv4.ip_forward = 0
net.ipv6.conf.all.accept_redirects = 1

hamidrhashmi

Install fail2ban

apt install fail2ban

create the following file

vim /etc/fail2ban/jail.d/freeswitch.local

copy the foolowing content in file freeswitch.local

hamidrhashmi

STEP 1: Disbale SELinux and firewallD

 setenforce 0

disable permamnanlty

vim /etc/selinux/config

set

SELINUX=disabled

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Create file in site-available folder

vim /etc/nginx/sites-available/backendservice.conf

and past ethe following line in it

server {
    client_max_body_size 100M;
    server_name PUB_API;
 listen 3555 ssl;

hamidrhashmi

How to connect with postgres CLI

su postgres
psql -U postgres -W Password

Postgress keywords in comparison to mysql

database=# \l                                           //show databases
database=# \c database                           // use database
database=# \dt // show tables;

hamidrhashmi

Pre-Requiste

First Confirm if your Linux machine was created using LVM or not, execute the following commands

pvdisplay
vgdisplay
lvdisplay

if the se commands show som eout then it mean that Vm was created thorugh LVM and you can resize it. now install GRUB in /dev/sda/ so that when you resize the HDD, BIOS can boot the machine.