更新 MD/centos.sh
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MD/centos.sh
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MD/centos.sh
@ -9,8 +9,13 @@ list() {
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echo "2. 关闭防火墙"
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echo "3. 时间同步"
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echo "4. 创建用户"
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echo "5. 安装常用软件"
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echo "6. 退出"
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echo "5. 删除用户"
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echo "6. 安装常用软件"
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echo "7. 内存使用情况"
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echo "8. 磁盘使用情况"
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echo "9. 服务器信息"
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echo "10 CPU使用情况"
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echo "11. 退出"
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echo "--------------------------------------"
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}
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@ -66,6 +71,24 @@ user() {
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fi
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fi
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}
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delete_user() {
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read -p "请输入要删除的用户名:" name
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# 检查用户是否存在
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if id "$name" &>/dev/null; then
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# 删除用户及其主目录和邮件池
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userdel -r "$name"
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if [ $? -eq 0 ]; then
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# 如果用户删除成功,尝试从记录文件中移除该用户的密码信息
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sed -i "/^用户名:$name,/d" /opt/user.txt
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echo "用户 $name 已成功删除。"
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else
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echo "用户删除失败,请检查系统配置。"
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fi
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else
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echo "用户 $name 不存在,无需删除。"
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fi
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}
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# 安装常用软件
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anzhuang() {
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@ -76,18 +99,63 @@ anzhuang() {
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echo "软件安装失败,请检查 YUM 源配置。"
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fi
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}
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mem() {
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mem_total=$(free -m | awk 'NR==2 {print $2}')
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mem_used=$(free -m | awk 'NR==2 {print $3}')
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mem_free=$(free -m | awk 'NR==2 {print $4}')
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mem_cache=$(free -m | awk 'NR==2 {print $6}')
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mem_s=$((mem_used * 100 / mem_total))
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mem_f=$((100 - mem_s))
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echo "内存的使用率:$mem_s%"
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echo "内存的总量: $mem_total MB"
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echo "内存的空闲率: $mem_f%"
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echo "内存的缓存量: $mem_cache MB"
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echo "内存的空闲量: $mem_free MB"
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}
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disk() {
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read -p "请输入分区名称:" name
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case $name in
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"/")
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df -Th | awk 'NR==2 {print "总量:"$3,"使用:"$4,"空闲:"$5}'
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;;
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"/boot")
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df -Th | awk 'NR==7 {print "总量:"$3,"使用:"$4,"空闲:"$5}'
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;;
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*)
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echo "无效的分区名称"
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;;
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esac
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}
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system_info() {
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cat /etc/redhat-release | awk '{print "系统版本号:"$4}'
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echo "内核版本为:`uname -r`"
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ip a | grep "2:" | awk -F: '{print "网卡名称:"$2}'
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ip a | grep "inet " | awk '{print $2}' | awk -F "/" '{print "IP地址是:"$1}'
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}
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cpu_info() {
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w | awk -F: 'NR==1 {print "CPU的平均负载:"$NF}'
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vmstat | awk 'NR==3 {print "CPU空闲率:"$(NF-2)}'
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cpu_id=$(vmstat | awk 'NR==3 {print $(NF-2)}')
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cpu_free=$((100 - cpu_id))
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echo "CPU使用率: $cpu_free%"
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}
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# 主循环
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while true; do
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list
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read -p "请输入您的选项(1-6):" num
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read -p "请输入您的选项(1-11):" num
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case $num in
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1) yuan; sleep 2 ;;
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2) fire; sleep 2 ;;
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3) timed; sleep 2 ;;
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4) user; sleep 2 ;;
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5) anzhuang; sleep 2 ;;
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6) echo "退出工具箱,感谢使用!"; exit ;;
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5) delete_user;sleep 2;;
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6) anzhuang; sleep 2 ;;
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7) mem; sleep 2;;
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8) disk; sleep 2;;
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9) system_info; sleep 2;;
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10)cpu_info; sleep 2;;
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11) echo "退出工具箱,感谢使用!"; exit ;;
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*) echo "输入无效,请输入数字 1-6 选择功能。"; sleep 2 ;;
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esac
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done
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done
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