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RHCSA8
2022-07-05 13:02:00 【Grey rain】
To configure SSH Realize remote access Linux
ssh [email protected] command
Commands can be used remotely through configuration , Save in ~/.ssh/known_host
ssh Password free login
1、 Creating public and private keys
ssh-keygen
2、 Copied to the server
ssh-copy id [email protected]
3、 test
ssh [email protected]
prohibit root Remote login
vim /etc/ssh/sshd_config
take root The remote login is changed to no(46 Row or so )
systemctl restart sshd
It is forbidden to be serious through password , Through public-private key
vim /etc/ssh/sshd_config
Change passwordAuthentication no
systemctl restart sshd
rsyslog Log management
Journal Log management and time synchronization
journalctl Show logs from beginning to end
-n x Look at the tail x That's ok
-f Dynamic display
–since “2021-01-01” Start checking at a specified time 8e
Set the time
timedatectl Check the information in the time zone
timedatectl set-timezone Area ( Set time zone )
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