Updating linux

Systems must be registered before updates from RHN can be applied. It can also be accessed via the command line by using the "rhn_register" command.Registration requires local root access and a valid RHN login that has an unused Update or Management entitlement for the new system you want to register.This section shows how to update an entire system, or just a single package.__| __|_ ) _| ( / Amazon Linux AMI ___|\___|___| https://aws.amazon.com/amazon-linux-ami/2013.03-release-notes/ There are 12 security update(s) out of 25 total update(s) available Run "sudo yum update" to apply all updates.Most desktop security incidents are centered around flaws in the operating system.As these flaws are discovered, vendors release patches to cover these security holes – by updating your operating system you ensure it has all the latest patches.Your distribution constantly asks you to update your kernel....

Windows also has its own kernel that its operating systems use, but Linux is highly modular and therefore the kernel is more commonly discussed as a lot can be done with it.The problem, however, is that you usually can’t take advantage of these new kernel releases as soon as they come out — you have to wait until your distribution comes out with a new release that packs a newer kernel with it.We’ve previously laid out the benefits for regularly updating your kernel If you're using a Linux distribution like Ubuntu or Fedora, you're also using the Linux kernel, the core that actually makes your distribution a Linux distribution.If this is the case, it’s usually easy to pick an older kernel at boot time that works, but something may always go wrong.Therefore, we’re not responsible for any damage to your system — use at your own risk!

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