mirror of
https://github.com/infinition/Bjorn.git
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First Bjorn Commit !
This commit is contained in:
Fabien POLLY
197
uninstall_bjorn.sh
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197
uninstall_bjorn.sh
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#!/bin/bash
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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# Logging configuration
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LOG_DIR="/var/log/bjorn_remove"
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mkdir -p "$LOG_DIR"
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LOG_FILE="$LOG_DIR/bjorn_remove_$(date +%Y%m%d_%H%M%S).log"
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# Logging function
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log() {
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local level=$1
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shift
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local message="[$(date '+%Y-%m-%d %H:%M:%S')] [$level] $*"
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echo -e "$message" >> "$LOG_FILE"
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case $level in
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"ERROR") echo -e "${RED}$message${NC}" ;;
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"SUCCESS") echo -e "${GREEN}$message${NC}" ;;
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"WARNING") echo -e "${YELLOW}$message${NC}" ;;
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"INFO") echo -e "${BLUE}$message${NC}" ;;
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*) echo -e "$message" ;;
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esac
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}
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# Function to ask for confirmation
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confirm() {
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echo -e "${YELLOW}Do you want to $1? (y/n)${NC}"
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read -r response
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case "$response" in
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[yY]) return 0 ;;
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*) return 1 ;;
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esac
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}
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# Check if running as root
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if [ "$(id -u)" -ne 0 ]; then
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log "ERROR" "This script must be run as root. Please use 'sudo'."
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exit 1
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fi
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# Function to stop services
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stop_services() {
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log "INFO" "Stopping services..."
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# Kill any running BJORN processes
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if pgrep -f "python3 /home/bjorn/Bjorn/Bjorn.py" > /dev/null; then
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log "INFO" "Killing BJORN Python process..."
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pkill -f "python3 /home/bjorn/Bjorn/Bjorn.py"
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fi
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# Stop and disable bjorn service
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if systemctl is-active --quiet "bjorn"; then
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log "INFO" "Stopping bjorn service..."
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systemctl stop bjorn
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systemctl disable bjorn
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fi
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# Stop and disable usb-gadget service
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if systemctl is-active --quiet "usb-gadget"; then
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log "INFO" "Stopping usb-gadget service..."
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systemctl stop usb-gadget
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systemctl disable usb-gadget
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fi
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# Kill any processes on port 8000
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if lsof -i:8000 > /dev/null; then
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log "INFO" "Killing processes on port 8000..."
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lsof -ti:8000 | xargs kill -9
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fi
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log "SUCCESS" "All services stopped"
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}
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# Function to remove service files
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remove_service_files() {
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log "INFO" "Removing service files..."
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rm -f /etc/systemd/system/bjorn.service
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rm -f /etc/systemd/system/usb-gadget.service
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rm -f /usr/local/bin/usb-gadget.sh
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systemctl daemon-reload
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log "SUCCESS" "Service files removed"
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}
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# Function to reset USB gadget configuration
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reset_usb_config() {
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log "INFO" "Resetting USB gadget configuration..."
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# Reset cmdline.txt
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if [ -f /boot/firmware/cmdline.txt ]; then
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sed -i 's/ modules-load=dwc2,g_ether//' /boot/firmware/cmdline.txt
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fi
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# Reset config.txt
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if [ -f /boot/firmware/config.txt ]; then
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sed -i '/dtoverlay=dwc2/d' /boot/firmware/config.txt
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fi
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# Remove USB network configuration
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sed -i '/allow-hotplug usb0/,+3d' /etc/network/interfaces
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log "SUCCESS" "USB configuration reset"
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}
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# Function to reset system limits
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reset_system_limits() {
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log "INFO" "Resetting system limits..."
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# Remove from limits.conf
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sed -i '/\* soft nofile 65535/d' /etc/security/limits.conf
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sed -i '/\* hard nofile 65535/d' /etc/security/limits.conf
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sed -i '/root soft nofile 65535/d' /etc/security/limits.conf
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sed -i '/root hard nofile 65535/d' /etc/security/limits.conf
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# Remove limits file
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rm -f /etc/security/limits.d/90-nofile.conf
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# Reset systemd limits
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sed -i 's/DefaultLimitNOFILE=65535/#DefaultLimitNOFILE=/' /etc/systemd/system.conf
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sed -i 's/DefaultLimitNOFILE=65535/#DefaultLimitNOFILE=/' /etc/systemd/user.conf
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# Reset sysctl
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sed -i '/fs.file-max = 2097152/d' /etc/sysctl.conf
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sysctl -p
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log "SUCCESS" "System limits reset"
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}
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# Function to remove BJORN files
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remove_bjorn_files() {
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log "INFO" "Removing BJORN files..."
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if [ -d "/home/bjorn/Bjorn" ]; then
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rm -rf /home/bjorn/Bjorn
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log "SUCCESS" "BJORN directory removed"
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else
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log "INFO" "BJORN directory not found"
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fi
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}
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# Main execution
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echo -e "${BLUE}BJORN Removal Script${NC}"
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echo -e "${YELLOW}This script will remove BJORN while preserving the bjorn user and system packages.${NC}"
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echo -e "${YELLOW}Each step will ask for confirmation before proceeding.${NC}"
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# Step 1: Stop Services
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if confirm "stop all BJORN related services"; then
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stop_services
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fi
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# Step 2: Remove Service Files
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if confirm "remove BJORN service files"; then
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remove_service_files
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fi
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# Step 3: Reset USB Configuration
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if confirm "reset USB gadget configuration"; then
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reset_usb_config
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fi
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# Step 4: Reset System Limits
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if confirm "reset system limits"; then
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reset_system_limits
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fi
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# Step 5: Remove BJORN Files
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if confirm "remove BJORN files (keeping bjorn user)"; then
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remove_bjorn_files
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fi
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# Final summary
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echo -e "\n${GREEN}BJORN removal completed!${NC}"
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echo -e "${BLUE}Summary of actions:${NC}"
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echo "1. Services stopped and disabled"
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echo "2. Service files removed"
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echo "3. USB configuration reset"
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echo "4. System limits reset"
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echo "5. BJORN files removed"
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echo -e "\n${YELLOW}Preserved:${NC}"
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echo "- bjorn user account"
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echo "- System packages"
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echo "- Python packages"
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echo "- SPI and I2C configurations"
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# Ask for reboot
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if confirm "reboot the system now"; then
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log "INFO" "System rebooting..."
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reboot
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else
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echo -e "${YELLOW}Please reboot your system manually when convenient.${NC}"
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fi
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log "SUCCESS" "Script completed"
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echo -e "${BLUE}Log file available at: $LOG_FILE${NC}"
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