Red Hat Training: Day 4

Administer remote system including remote shell access, remote file transfer, using SSH keys

Managing physical storage including filesystem, partition and swap space

Install Linux with Anaconda.

SSH

# scp original-file new-file
# rsync -a /home/student demo:/tmp
-a=all

Archive

# tar -cvf target/to/archive source/to/archive
-c=create
-x=extract
-t=test (tell)
-v=verbose
-f=filename

Using SSH

# ssh-keygen
# ssh-copy-id example.com

# service crond status
# chkconfig –list crond

# vi /etc/ssh/sshd_config
PermissionRootLogin no
PassordAuthentication no
# service sshd restart

Summary: I am not really concentrating today. The subjects aren’t interesting and the installation process failed again.