access denied: tty ‘tty1’ is not secure
On a CentOS 7 server, when login as user root on the console, login fails. If I log in as a normal user, then I am able to switch to user root with the command “su – root”.
On checking /var/log/secure, I found the following error.
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Nov 10 03:44:42 localhost login: pam_securetty(login:auth): access denied: tty 'tty1' is not secure ! Nov 10 03:44:45 localhost login: pam_succeed_if(login:auth): requirement "uid >= 1000" not met by user "root" Nov 10 03:44:47 localhost login: FAILED LOGIN 1 FROM tty1 FOR root, Authentication failure |
To fix the error, edit the file
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vi /etc/securetty |
In the file, add
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tty1 |
On CentOS 7 server, the contents of the file are
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[root@localhost ~]# cat /etc/securetty console vc/1 vc/2 vc/3 vc/4 vc/5 vc/6 vc/7 vc/8 vc/9 vc/10 vc/11 tty1 tty2 tty3 tty4 tty5 tty6 tty7 tty8 tty9 tty10 tty11 ttyS0 ttysclp0 sclp_line0 3270/tty1 hvc0 hvc1 hvc2 hvc3 hvc4 hvc5 hvc6 hvc7 hvsi0 hvsi1 hvsi2 xvc0 [root@localhost ~]# |
Permission for the file is 600, in case you have the wrong permission, change it with
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chmod 600 /etc/securetty |
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