Solve the problem that CentOS7 cannot go to the logon interface on the boot Interface

Solve the problem that CentOS7 cannot go to the logon interface on the boot Interface

The default Python version of CentOS7 is 2.7.5. When installing Anaconda Python 2.7.11, you accidentally delete the previous Python. Then, you can log on to the system remotely. The root cause is that the kernel version is updated from 3.0 to 3.1.

View CentOS7 version information:

[root@biostacs ~]# lsb_release -aLSB Version:    :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarchDistributor ID: CentOSDescription:    CentOS Linux release 7.1.1503 (Core)Release:        7.1.1503Codename:       Core

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Delete Anaconda Python

Directly Delete the/root/Anaconda2 folder

Find the software source corresponding to CentOS7

Http://mirror.centos.org/centos-7/7/ OS /x86_64/Packages/

Delete Environment Variables

In/etc/profile ,~ /. Delete from bashrc

Reinstall Python

Run the following command:

rpm -Uvh --replacepkgs http://mirror.centos.org/centos-7/7/os/x86_64/Packages/python-2.7.5-34.el7.x86_64.rpm

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Reinstall GNOME Desktop

yum groupremove "X Window System" "GNOME Desktop Environment" -yyum groupinstall "X Window System" "GNOME Desktop Environment" -y

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Yum update

yum uodate

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Wait until the update is complete