#!/bin/bash echo "Murat Uğur Eminoğlu"

#!/bin/bash

# Check if user is running as root
if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root."
    exit 1
fi

# Function to install Coturn
install_coturn() {
    apt-get update
    apt-get install -y coturn
    truncate -s 0 /etc/turnserver.conf
}

# Function to generate random username
generate_credentials() {
    username=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 8 | head -n 1)
    password=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 12 | head -n 1)
    echo "Username: $username"
    echo "Password: $password"
    echo "lt-cred-mech" >> /etc/turnserver.conf
    echo "user=$username:$password" >> /etc/turnserver.conf
}

# Function to configure Coturn for NAT network
configure_nat() {
    # Add necessary configuration options for NAT network
    echo 'TURNSERVER_ENABLED=1' >> /etc/default/coturn
    # Get public IP
    public_ip=$(curl -s http://checkip.amazonaws.com)
    
    # Get private IP
    private_ip=$(hostname -I | awk '{print $1}')
    
    # Add external IP configuration to turnserver.conf
    echo "external-ip=$public_ip/$private_ip" >> /etc/turnserver.conf
    echo "realm=$public_ip" >> /etc/turnserver.conf
}

# Function to configure Coturn for public IP
configure_public_ip() {
    # Add necessary configuration options for public IP
    echo 'TURNSERVER_ENABLED=1' >> /etc/default/coturn

    # Get public IP
    public_ip=$(curl -s http://checkip.amazonaws.com)
    
    # Add external IP configuration to turnserver.conf
    echo "realm=$public_ip" >> /etc/turnserver.conf
}

# Main script

# Prompt user for configuration option
echo "Choose the configuration option:"
echo "1. Behind NAT network (e.g., AWS)"
echo "2. Directly accessible public IP"
read -p "Enter your choice (1 or 2): " option

case $option in
    1)
        install_coturn
        generate_credentials
        configure_nat
        ;;
    2)
        install_coturn
        generate_credentials
        configure_public_ip
        ;;
    *)
        echo "Invalid choice. Exiting."
        exit 1
        ;;
esac

# Start and enable Coturn service
systemctl restart coturn
systemctl enable coturn

echo "Coturn installation and configuration completed."

# To backup records
aws route53 list-resource-record-sets --hosted-zone-id YOUR_HOSTED_ZONE_ID > route53_backup.json

# To restore records
aws route53 change-resource-record-sets --hosted-zone-id YOUR_HOSTED_ZONE_ID --change-batch file://route53_backup.json

vim /usr/share/vim/vim81/defaults.vim

# Aşağıdaki satırı

if has('mouse')
set mouse=a
endif

# Bu satırla değiştirin.

if has('mouse')
set mouse-=a
endif

Sevgiler.

Vmware ‘de kernel degisikliginden sonra asagidaki hatayi alirsaniz.

Could not open /dev/vmmon: No such file or directory. Please make sure that the kernel module `vmmon' is loaded.

Asagidaki komutu calistirip tekrar modulu kullanmis oldugunuz kernel surumue gore derleyebilirsiniz.

vmware-modconfig --console --install-all

# IMAPSSL

openssl s_client -connect imap.mail.us-east-1.awsapps.com:993
01 login test@test.com test123
02 logout

# POP3SSL

openssl s_client -connect imap.mail.us-east-1.awsapps.com:995
01 login test@test.com test123
02 logout