2
想请教各位 v2 shell 脚本比较精通的，被这个问题卡住了.
source link: https://www.v2ex.com/t/847275
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自己写了个检测宽带公网出口 ip 变化的脚本，并通过企微的群聊机器人通知，想放到后台一直运行，但都是运行了:
nohup sh scriptName.sh > /dev/null 2>&1 & 后 使用 ps - ef ｜ grep scriptName.sh 后显示了一次，在此运行命令就看不到运行了。我用 bash -x script Name.sh 可以运行成功，也可以发起通知，但就是放不到后台执行，不知道哪里出问题了，还请各位大神不吝赐教，小弟在此谢过了. 搜了好多文章也没找到问题原因，要😭了.
nohup sh scriptName.sh > /dev/null 2>&1 & 后 使用 ps - ef ｜ grep scriptName.sh 后显示了一次，在此运行命令就看不到运行了。我用 bash -x script Name.sh 可以运行成功，也可以发起通知，但就是放不到后台执行，不知道哪里出问题了，还请各位大神不吝赐教，小弟在此谢过了. 搜了好多文章也没找到问题原因，要😭了.
7 条回复 • 2022-04-16 09:48:58 +08:00
zhouzm 2 小时 23 分钟前
# check-gateway.sh
#! /bin/bash
[[ ! -z "$1" ]] && host=$1 || host=192.168.1.1
c=0
last=0
# while [[ $c -lt 100 ]]; do
while true; do
ping -q -c 1 -W 1 $host >/dev/null
current=$?
if [[ $current == 0 ]]; then
if [[ $last != 0 || $c -eq 0 ]]; then
last=$current
echo $( date +%Y-%m-%d\|%H:%M:%S ) :$host online >> /run/check-gateway.log
fi
else
if [[ $last == 0 ]]; then
last=$current
echo $( date +%Y-%m-%d\|%H:%M:%S ) :$host offline >> /run/check-gateway.log
fi
fi
c=$(( $c + 1 ))
sleep 1
done
exit 0
nohup check-gateway.sh $IP >/dev/null 2>&1 &
#! /bin/bash
[[ ! -z "$1" ]] && host=$1 || host=192.168.1.1
c=0
last=0
# while [[ $c -lt 100 ]]; do
while true; do
ping -q -c 1 -W 1 $host >/dev/null
current=$?
if [[ $current == 0 ]]; then
if [[ $last != 0 || $c -eq 0 ]]; then
last=$current
echo $( date +%Y-%m-%d\|%H:%M:%S ) :$host online >> /run/check-gateway.log
fi
else
if [[ $last == 0 ]]; then
last=$current
echo $( date +%Y-%m-%d\|%H:%M:%S ) :$host offline >> /run/check-gateway.log
fi
fi
c=$(( $c + 1 ))
sleep 1
done
exit 0
nohup check-gateway.sh $IP >/dev/null 2>&1 &
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