Categories
SysOps

How to parse the fastest available dnf mirror data

Parse the fastest available dnf mirror data.

Categories
SysOps

How to improve dnf download times

Improve dnf download times.

Categories
SysOps

How to dry-run CentOS upgrade process

Use tsflags plugin to test upgrade process before executing it.

Categories
SysOps

How to lock specified packages from being updated

Use versionlock plugin to protect packages from being updated on the CentOS operating system.

How to check whether a full reboot is required

Determine whether a full CentOS 7 reboot is required and which services need to be restarted.

How to check available security updates

Check available security updates for CentOS 7.

Categories
SysOps

How to manage RPM keyring

Today, I will show you how to manage RPM keyring on the CentOS operating system using a real life example.

Categories
Uncategorized

How to temporarily stop auditd daemon

Disable auditd daemon during operating system image build process to prevent unnecessary log spikes.