83 lines
2.6 KiB
Plaintext
83 lines
2.6 KiB
Plaintext
# 创建极简监控系统
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cat > /tmp/simple_monitor.sh << 'EOF'
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#!/bin/bash
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LOG_FILE="/tmp/command_monitor.log"
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PID_FILE="/tmp/monitor_simple.pid"
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case "$1" in
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start)
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echo "启动极简监控..."
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# 设置实时history
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echo 'export PROMPT_COMMAND="history -a; history -c; history -r"' >> ~/.bashrc
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source ~/.bashrc
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# 启动监控进程
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(
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echo "=== 监控启动: $(date) ===" > "$LOG_FILE"
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declare -A sizes
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while true; do
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for user_dir in /home/* /root; do
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[ -d "$user_dir" ] || continue
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user=$(basename "$user_dir")
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history_file="$user_dir/.bash_history"
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[ -f "$history_file" ] || continue
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current=$(stat -c%s "$history_file" 2>/dev/null || echo 0)
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last=${sizes["$user"]:-0}
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if [ "$current" -gt "$last" ]; then
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cmd=$(tail -n 1 "$history_file" 2>/dev/null)
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if [ -n "$cmd" ] && [ ${#cmd} -gt 1 ]; then
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case "$cmd" in
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ls|cd|pwd|ll|history|exit|clear|".") continue ;;
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*)
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ip="unknown"
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[ -n "$SSH_CLIENT" ] && ip=$(echo "$SSH_CLIENT" | awk '{print $1}')
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $user: $cmd (from: $ip)" >> "$LOG_FILE"
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;;
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esac
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fi
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sizes["$user"]=$current
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fi
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done
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sleep 2
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done
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) &
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echo $! > "$PID_FILE"
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echo "监控已启动 (PID: $!)"
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echo "查看日志: tail -f $LOG_FILE"
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;;
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view)
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if [ -f "$LOG_FILE" ]; then
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tail -f "$LOG_FILE"
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else
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echo "暂无日志，请先启动监控: $0 start"
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fi
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;;
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stop)
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if [ -f "$PID_FILE" ]; then
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kill $(cat "$PID_FILE") 2>/dev/null
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rm -f "$PID_FILE"
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echo "监控已停止"
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else
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echo "监控未运行"
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fi
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;;
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*)
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echo "使用方法: $0 {start|view|stop}"
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;;
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esac
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EOF
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chmod +x /tmp/simple_monitor.sh
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# 启动极简监控
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/tmp/simple_monitor.sh start
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# 测试
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echo "test_simple_$(date +%s)" >> ~/.bash_history
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sleep 2
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tail -5 /tmp/command_monitor.log
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