simple shell script to backup home server files and VMs to external drive
This commit is contained in:
commit
7b0108c236
99
backup-server
Executable file
99
backup-server
Executable file
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#!/bin/bash
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# Check if the script is run with sudo
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if [ "$EUID" -ne 0 ]; then
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echo "Please run this script with sudo."
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exit 1
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fi
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#Check whether server VMs are in shutdown state if not..shutdown the VMs
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./check-server1
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./check-server2
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# Define source directories using the explicit path to your home directory
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VM_DIR_MY_PLATFORMS="/home/arul/my_platforms/"
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VM_DIR_LDR_SERVER="/home/arul/ldr-server/"
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NGINX_DIR="/etc/nginx/sites-available/"
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BACKUP_DRIVE="/mnt/my-drive/server-backup"
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DEVICE="/dev/sdb1" # Device name for the backup drive
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# Check if the backup drive is mounted; if not, attempt to mount it
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if ! mountpoint -q /mnt/my-drive; then
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echo "Backup drive is not mounted. Attempting to mount $DEVICE..."
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mount $DEVICE /mnt/my-drive
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if [ $? -ne 0 ]; then
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echo "Error: Failed to mount the drive. Please check the device path and try again."
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exit 1
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fi
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echo "Backup drive mounted successfully."
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fi
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# Ensure the main backup directory exists, and create necessary subdirectories if they don't exist
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echo "Setting up backup directory structure..."
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mkdir -p "$BACKUP_DRIVE/my_platforms" "$BACKUP_DRIVE/ldr-server" "$BACKUP_DRIVE/home-server_nginx"
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if [ $? -ne 0 ]; then
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echo "Error: Failed to create backup directories. Please check permissions and try again."
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exit 1
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fi
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# Set permissions for the newly created backup directories
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chmod 700 "$BACKUP_DRIVE"
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chmod 755 "$BACKUP_DRIVE/my_platforms" "$BACKUP_DRIVE/ldr-server" "$BACKUP_DRIVE/home-server_nginx"
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echo "Backup directory structure set up with appropriate permissions."
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# Backup VM files from my_platforms if the source directory exists
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if [ -d "$VM_DIR_MY_PLATFORMS" ]; then
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echo "Backing up VM files from my_platforms..."
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rsync -avh --progress --no-owner --no-group "$VM_DIR_MY_PLATFORMS" "$BACKUP_DRIVE/my_platforms/"
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echo "Backup of my_platforms completed."
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else
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echo "Warning: $VM_DIR_MY_PLATFORMS does not exist. Skipping backup for my_platforms."
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fi
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# Backup VM files from ldr-server if the source directory exists
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if [ -d "$VM_DIR_LDR_SERVER" ]; then
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echo "Backing up VM files from ldr-server..."
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rsync -avh --progress --no-owner --no-group "$VM_DIR_LDR_SERVER" "$BACKUP_DRIVE/ldr-server/"
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echo "Backup of ldr-server completed."
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else
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echo "Warning: $VM_DIR_LDR_SERVER does not exist. Skipping backup for ldr-server."
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fi
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# Backup Nginx configuration files
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echo "Backing up Nginx configuration files..."
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rsync -avh --progress --no-owner --no-group "$NGINX_DIR" "$BACKUP_DRIVE/home-server_nginx/"
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echo "Backup of Nginx configuration completed."
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# Set permissions for Nginx configuration files
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echo "Setting permissions for Nginx configuration files..."
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chmod 644 "$BACKUP_DRIVE/home-server_nginx/"*
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echo "Permissions set for Nginx files."
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# Set permissions for VM files if the directories exist
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if [ -d "$BACKUP_DRIVE/my_platforms" ]; then
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echo "Setting permissions for VM files in my_platforms..."
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chmod 600 "$BACKUP_DRIVE/my_platforms/"*
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fi
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if [ -d "$BACKUP_DRIVE/ldr-server" ]; then
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echo "Setting permissions for VM files in ldr-server..."
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chmod 600 "$BACKUP_DRIVE/ldr-server/"*
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fi
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# Remove executable permissions from backed up files
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echo "Removing executable permissions from backed up files..."
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chmod -x "$BACKUP_DRIVE/my_platforms/"* "$BACKUP_DRIVE/ldr-server/"* "$BACKUP_DRIVE/home-server_nginx/"*
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echo "Executable permissions removed."
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echo "All backups completed successfully!"
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figlet "Done"
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echo "Unmounting the External backup drive"
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umount -l /mnt/my-drive
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# Reboot the system after the backup
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echo "Rebooting the system..."
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reboot
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42
check-server1
Executable file
42
check-server1
Executable file
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#!/bin/bash
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# Define server IP, port, and SSH key path for selfhost-1
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SERVER_IP="192.168.29.251"
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SERVER_PORT="2222"
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SERVER_NAME="selfhost-1 server VM"
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SSH_KEY_PATH="/home/arul/.ssh/id_ed25519" # Add your SSH key path here
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echo "[-] Shutting down $SERVER_NAME"
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ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" root@"$SERVER_IP" "poweroff"
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# Wait for 10 seconds to give the server time to power off
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echo "[*] Waiting for the server to shut down..."
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sleep 10
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# Check if the server is off by attempting to SSH and expecting failure
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echo "[*] Verifying server shutdown..."
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SERVER_OFF=false
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MAX_RETRIES=5
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for i in $(seq 1 "$MAX_RETRIES"); do
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# Try to SSH into the server
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ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" -o ConnectTimeout=5 root@"$SERVER_IP" "exit" 2>/dev/null
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# Check if the SSH command failed, indicating the server is off
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if [ $? -ne 0 ]; then
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echo "[+] $SERVER_NAME is powered off."
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SERVER_OFF=true
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break
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else
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echo "[*] Server is still shutting down. Checking again in 5 seconds..."
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sleep 5
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fi
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done
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# Final check to ensure no warning message if the server is off
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if [ "$SERVER_OFF" = false ]; then
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echo "[!] Warning: $SERVER_NAME did not shut down as expected."
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else
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echo "[+] Proceeding with the rest of the script."
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fi
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42
check-server2
Executable file
42
check-server2
Executable file
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#!/bin/bash
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# Define server IP, port, and SSH key path
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SERVER_IP="192.168.29.251"
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SERVER_PORT="2223"
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SERVER_NAME="selfhost-2 server VM"
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SSH_KEY_PATH="/home/arul/.ssh/id_ed25519" # Add your SSH key path here
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echo "[-] Shutting down $SERVER_NAME"
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ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" root@"$SERVER_IP" "poweroff"
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# Wait for 10 seconds to give the server time to power off
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echo "[*] Waiting for the server to shut down..."
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sleep 10
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# Check if the server is off by attempting to SSH and expecting failure
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echo "[*] Verifying server shutdown..."
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SERVER_OFF=false
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MAX_RETRIES=5
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for i in $(seq 1 "$MAX_RETRIES"); do
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# Try to SSH into the server
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ssh -i "$SSH_KEY_PATH" -o StrictHostKeyChecking=no -p "$SERVER_PORT" -o ConnectTimeout=5 root@"$SERVER_IP" "exit" 2>/dev/null
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# Check if the SSH command failed, indicating the server is off
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if [ $? -ne 0 ]; then
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echo "[+] $SERVER_NAME is powered off."
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SERVER_OFF=true
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break
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else
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echo "[*] Server is still shutting down. Checking again in 5 seconds..."
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sleep 5
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fi
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done
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# Final check to ensure no warning message if the server is off
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if [ "$SERVER_OFF" = false ]; then
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echo "[!] Warning: $SERVER_NAME did not shut down as expected."
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else
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echo "[+] Proceeding with the rest of the script."
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fi
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