this post was submitted on 27 Jul 2024
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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To give yourself a better chance, learn things like:
Also learn how to deploy database and web servers manually.
It sounds like a lot but they're things you'll be expected to use.
Deploy database? You mean something like SQL?
Yep. You should absolutely know how all the pieces connect.
One IT responsibility is setting up servers. You should at least know how to get a website running off of a Linux machine at a basic level. But what we judge you on is your ability to manage and secure it.
Yeah, or a nosql database. The point is to know how to deploy and manage servers manually as well as using the tools to do it.
No, dont learn docker, learn containerization and what tools can be used for it. No to Kubernetes that comes much later and/is VERY specific. No clue what keycloak is, but it sounds useful. Never hear about Jenkins. Id rather say get a grasp on python and skim what tools are used to administer servers -> ansible and puppet maybe.
Well you just got dismissed early in the interview
I almost want to agree with parts of this but I cannot imagine the downvotes for supporting a comment that includes “never hear about Jenkins” and “don’t learn Docker”.
Jenkins has about 50% market share for anybody keeping score at home. In many verticals, the market leader has about 35% market share so 50% gives Jenkins enough domination in the market that saying “never hear about” them is going to hurt your credibility.
I think most organizations using Kubernetes should not. However, most of those would still benefit from containerization and so knowing Docker is a good thing even if you use a different tech ( Podman is the same thing ). While I think people should not be using Kubernetes as much as they do, it is still going to help you to know it when you are asking those people to hire you.
Knowing Python is fantastic advice for DevOps and IT in general.
Ansible and Puppet are solid recommendations. I think Ansible is the market leader ( probably about a third ).
Keycloak is great but it had less than 5% market share and so not knowing it is not going to hurt.
From wikipedia and their github it sounds like jenkins is mostly used for development/programming. So maybe thats why I never heard about it shrug.
@dino @LeFantome it was always more geared to build automation but i always found it useful for managing cron jobs.
I never really found a replacement for Jenkins but I did find a replacement for my workflows.