WorkingTipsOnCS414

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System Preparation

Install CentOS7.7, minimal mode, then enable root login, login with root.

Disable UseDNS in sshd configuration.

[root@cs ~]# cat /etc/yum.conf 
[main]
cachedir=/var/cache/yum/$basearch/$releasever
keepcache=1
# yum upate -y
# yum install vim bridge-utils net-tools -y