Shell实现多级菜单系统安装维护脚本实例分享

演示效果：

1、一级菜单

2、二级菜单

3、执行操作

脚本参考：

代码如下:
#!/bin/bash
#author lic(oldboy linux student)
#date 1304
DISK_NO="/dev/sda1"
NGINX_DIR="/usr/local/tdoa/nginx/sbin/nginx"
MYSQL_DIR="/usr/local/tdoa/mysql/bin/mysqld_safe"
SERVER1="WEB"
SERVER2="MYSQL"
SERVER1_START="/usr/local/tdoa/nginx/sbin/nginx"
SERVER1_STOP="kill -QUIT `cat /usr/local/tdoa/logs/nginx/nginx.pid`"
SERVER1_RESTART="kill -HUP `cat /usr/local/tdoa/logs/nginx/nginx.pid`"
SERVER2_START="/etc/init.d/mysql start"
SERVER2_STOP="/etc/init.d/mysql stop"
SERVER2_RESTART="/etc/init.d/mysql restart"
#date
DATE=`date +"%y-%m-%d %H:%M:%S"`
#ip
IPADDR=`ifconfig eth0|grep 'inet addr'|sed 's/^.*addr://g' |sed 's/Bcast:.*$//g'`
#hostname
HOSTNAME=`hostname -s`
#user
USER=`whoami`
#disk_check
DISK_SDA=`df -h | grep $DISK_NO | awk '{print $5}'`
#cpu_average_check
cpu_uptime=`cat /proc/loadavg | cut -c1-14`
#process_check
function process_check() {
for dir in $NGINX_DIR $MYSQL_DIR
do
process_count=$(ps -ef | grep "$dir" | grep -v grep | wc -l)
for service in nginx mysql
do
echo "$dir" |grep -q "$service"
if [ $? -eq 0 ]
then
if [ $process_count -eq 0 ]
then
echo "$service.......................[NOT RUN]"
else
echo "$service.......................[RUNNING]"
continue
fi
fi
done
done
}
declare flag=0
clear
while [ "$flag" -eq 0 ]
do
echo "========================================"
process_check
echo "========================================"
cat << EOF
|-----------System Infomation-----------
| DATE       :$DATE
| HOSTNAME   :$HOSTNAME
| USER       :$USER
| IP         :$IPADDR
| DISK_USED  :$DISK_SDA
| CPU_AVERAGE:$cpu_uptime
----------------------------------------
|****Please Enter Your Choice:[0-5]****|
----------------------------------------
(1) Configure $SERVER1 Service
(2) Configure $SERVER2 Service
(3) Configure NETWORKE Service
(4) Change Passwd
(5) Logs
(0) Quit
EOF
read -p "Please enter your choice[0-5]: " input
case $input in
#web service
1)
clear
while [ "$flag" -eq 0 ]
do
cat << EOF
----------------------------------------
|****Please Enter Your Choice:[0-3]****|
----------------------------------------
(1) Start $SERVER1 Service
(2) Stop $SERVER1 Service