Shulou(Shulou.com)06/03 Report--

Three modes of vim text Editor

Configure hostname

Command: vim / etc/hostname

Configure the network card

A / the path to the configuration file: / etc/sysconfig/network-scripts/ network card file ifcfg-eno*

Commands are as follows: vim / etc/sysconfig/network-scripts/ifcfg-eno16780032

Configure YUM

A / profile path: / etc/yum.repos.d

B / yum file naming note that the suffix must be: '.repo' for example: rhel7.repo

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