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Linux upgrade commands the difference between Yum upgrade and Yum update

Source: Internet
Author: User
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The two Linux upgrade commands are yum upgrade and Yum Update, and the two commands are different:

Yum-y Update

Upgrade all packages and also upgrade software and system cores

Yum-y Upgrade

Upgrade all packages only, without upgrading software and system cores

Experiments were tested YUM-Y upgrade and yum-y update


Pre-upgrade

    • System version: centos5.5

    • Kernel version: 2.6.18-194.el5

    • Simple configuration file modification before upgrade
Yum-y Upgrade after upgrade

    • System version: centos5.7

    • Kernel version: 2.6.18-194.el5

YUM-Y Update after upgrade

    • System version: centos5.7

    • Kernel version: 2.6.18-238.el5



Linux upgrade commands the difference between Yum upgrade and Yum update

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Related Keywords:
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