feat linux script...

source/_posts/linux/script.md

@@ -0,0 +1,40 @@
+---
+title: script
+abbrlink: 34849
+date: 2024-08-17 11:09:24
+tags:
+---
+
+### 查看CPU、内存使用率
+```bash
+#!/bin/bash
+
+# 定义颜色
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # 无颜色
+
+while true; do
+    # 获取所有进程的CPU使用率和内存使用率
+    cpu_usage=$(ps aux | awk '{sum_cpu += $3} END {print sum_cpu}')
+    mem_usage=$(ps aux | awk '{sum_mem += $4} END {print sum_mem}')
+    
+    # 打印结果，带有时间戳、分隔线和颜色高亮
+    echo -e "${BLUE}==============================${NC}"
+    echo -e "${YELLOW}Timestamp: $(date)${NC}"
+    echo -e "${BLUE}==============================${NC}"
+    echo -e "${GREEN}Total CPU usage: ${RED}$cpu_usage%${NC}"
+    echo -e "${GREEN}Total Memory usage: ${RED}$mem_usage%${NC}"
+    echo -e "${BLUE}==============================${NC}"
+    
+    # 等待5秒后再次执行
+    sleep 5
+done
+
+```
+**保存脚本到/usr/local/bin目录下**
+```bash
+ mv usage.sh /usr/local/bin/usage
+```