当我们执行此操作时(在linux 7.x上)
umount /grop/sdc
umount: /grop/sdc: target is busy.
(In some cases useful info about processes that use
the device is found by lsof(8) or fuser(1))
我们可以看到,坐骑在繁忙的时候失败了。
但当我们做remount的时候..。重装是成功的,如下所示:
mount -o rw,remount /grop/sdc
echo $?
0
太有趣了。
重新挂载是否使用类似( umount -l )
$(document).ready(function(){
$("#voiceMail").click(function(){
if(realStatus == 'Registered.')
{
var username=window.frames["iframeIphone"].username.value;//--Here is some problem i guess.
$(".display").load("Images/Working.gif"); // for loading
我登录到EMR主节点,这是一个使用EC2启动的Amazon Linux AMI 2018.03 release实例。并执行以下命令及其输出如下:
uname -a
Linux ip-xx-xx-xxx-xxx y.yy.yyy-yyy.yyy.amzn1.x86_64 #1 SMP <TimeStamp Data> x86_64 GNU/Linux
cat /etc/os-release
NAME="Amazon Linux AMI"
VERSION="2018.03"
ID="amzn"
ID_LIKE="rhel fe