linux root用户编辑文件提示没有权限
感觉很奇怪，因为是root用户。于是查看了一下文件的权限，结果如下：
[root@localhost elasticsearch-5.3.0]# ll
total 224
-rw-r--r--. 1 501 games 11358 Mar 22 2017 LICENSE.txt
-rw-r--r--. 1 501 games 194187 Mar 22 2017 NOTICE.txt
-rw-r--r--. 1 501 games 9540 Mar 22 2017 README.textile
于是尝试去更改文件的拥有者，使用chown命令，结果还是提示没有权限，加sudo操作依然如此。
于是谷歌了一下，发现可以使用lsattr查看一下文件属性，是否有保护；有的话可以使用chattr命令来删除掉，再进行编辑。
参考： https://blog.csdn.net/evanbai/article/details/6187578
结果使用lsattr命令提示下面的错误，使用chattr依然同样的错误：
[root@localhost elasticsearch-5.3.0]# lsattr
lsattr: Inappropriate ioctl for device While reading flags on ./bin
lsattr: Inappropriate ioctl for device While reading flags on ./config
lsattr: Inappropriate ioctl for device While reading flags on ./plugins
lsattr: Inappropriate ioctl for device While reading flags on ./NOTICE.txt
lsattr: Inappropriate ioctl for device While reading flags on ./logs
lsattr: Inappropriate ioctl for device While reading flags on ./lib
lsattr: Inappropriate ioctl for device While reading flags on ./README.textile
lsattr: Inappropriate ioctl for device While reading flags on ./LICENSE.txt
lsattr: Inappropriate ioctl for device While reading flags on ./modules
lsattr: Inappropriate ioctl for device While reading flags on ./data
[root@localhost elasticsearch-5.3.0]# chattr -i *
chattr: Inappropriate ioctl for device while reading flags on bin
chattr: Inappropriate ioctl for device while reading flags on config
chattr: Inappropriate ioctl for device while reading flags on data
chattr: Inappropriate ioctl for device while reading flags on lib
继续谷歌，看到这个网页了：
https://unix.stackexchange.com/questions/90326/chattr-i-error-on-nfs
于是想到我可能是在NFS的客户端机子上操作，遂尝试去NFS服务端更改，发现果然好了……
Original: https://www.cnblogs.com/wswang/p/16669385.html
Author: wswang
Title: linux root用户编辑文件提示没有权限
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