简单shell脚本
简单的shell脚本案例测试段内存活的主机数
#!/bin/bash
for n in {1..20}; do
host=192.168.0.$n
ping -c2 $host &> /dev/null
if [ $? = 0 ]; then
ehco "$host is UP"
else
echo "$host is DOWN"
fi
done
批量添加用户
#!/bin/bash
for number in $(seq 1 10)
do
USER=user$number
useradd $USER
echopassword | passwd --stdin $USER
done
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