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无法将 SSH 密钥文件的权限设置为 600

tag-icon • tag-icon permissions windows-subsystem-for-linux
无法将 SSH 密钥文件的权限设置为 600

我尝试删除我的私钥文件的所有权限，以便只有我的所有者有权访问它，但它带来了此错误

chmod: prac1: new permissions are ----w--w-, not ---------

请问我该如何解决这个错误，因为如果不解决这个错误，我就无法将我的私钥文件设为私有，并且无法登录我的服务器。有人请帮忙谢谢

这是我使用的命令它已经解决了谢谢它在这里解决了：https://askubuntu.com/questions/1317541/why-is-chmod-rwx-not-removing-all-the-permissions-on-my-private-key-file-the-a 太感谢了！

abayomi@AbayomiUsman:~/.ssh$ chmod -rwx prac1*
chmod: prac1.pub: new permissions are ----w--w-, not ---------

abayomi@AbayomiUsman:~/.ssh$ ll | grep prac1*

abayomi@AbayomiUsman:~/.ssh$ chmod u+r,go-rwx prac1

abayomi@AbayomiUsman:~/.ssh$ ll | grep prac1
-r-xr-xr-x 1 abayomi abayomi 2655 Feb 18 15:55 prac1*
-rwxrwxrwx 1 abayomi abayomi  574 Feb 18 15:55 prac1.pub*

abayomi@AbayomiUsman:~/.ssh$ chown abayomi prac1

abayomi@AbayomiUsman:~/.ssh$ ll | grep prac1
-r-xr-xr-x 1 abayomi abayomi 2655 Feb 18 15:55 prac1*
-rwxrwxrwx 1 abayomi abayomi  574 Feb 18 15:55 prac1.pub*

abayomi@AbayomiUsman:~/.ssh$ chmod 600 prac1

abayomi@AbayomiUsman:~/.ssh$ ll | grep prac1
-rwxrwxrwx 1 abayomi abayomi 2655 Feb 18 15:55 prac1*
-rwxrwxrwx 1 abayomi abayomi  574 Feb 18 15:55 prac1.pub*

答案1

文件只有一个所有者。您可以使用 来设置所有者chown <user> <file>。

如果您的文件如下所示，这是权限

-rw-r--r--  abayomi   abayomi   private.key
 || || ||     |           |            |
 || || ||     |           |             +---- filename
 || || ||     |           +------------------ owning group
 || || ||     +------------------------------ owning user
 || || |+------------------------------------ others cannot write
 || || +------------------------------------- others can read
 || |+--------------------------------------- owning group cannot write
 || +---------------------------------------- owning group can read
 |+------------------------------------------ owning user can write
 +------------------------------------------- owning user can read

我想你想要的chmod 600 private.key 这会给你：

-rw-------  abayomi   abayomi   private.key
 || || ||     |           |            |
 || || ||     |           |             +---- filename
 || || ||     |           +------------------ owning group
 || || ||     +------------------------------ owning user
 || || |+------------------------------------ others cannot write
 || || +------------------------------------- others cannot read
 || |+--------------------------------------- owning group cannot write
 || +---------------------------------------- owning group cannot read
 |+------------------------------------------ owning user can write
 +------------------------------------------- owning user can read

600是一个三位八进制数，其中：

600             6 = 110
|||                 |||
||+--- other        ||+--- execute permission
|+---- group        |+---- write permission
+----- user         +----- read permission

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