Maintaining Software

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Table of Contents

• Maintaining Software
  • Keep system updated
  • Package management

Maintaining Software

Keep system updated

Rationale

Software updates offer plenty of benefits. It’s all about revisions. These might include repairing security holes that have been discovered and fixing or removing bugs.

Some benefits:

• close up problems of security that has been discovered
• it can improve the stability of the system
• improvements the system stacks or network stacks

Solution

Update system with yum

# C2S/CIS: CCE-26895-3 (High)

yum update

Policies

C2S/CIS: CCE-26895-3 (High)

Comments

Before updating the system, I do it in the console:

# This one-liner save the update process session:
script -t 2>~/upgrade.time -a ~/upgrade.script

Also these rules are important:

Check for updates

yum check-update

Install upgrades (with security updates)

yum --security upgrade

Useful resources

• Yum ^[Official]
• In CentOS, what is the difference between yum update and yum upgrade?