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Software engineer here who works on web services. Most production-critical things in our workplace aren't managed by GUI's, or command lines... but by code. There are usually some infrastructure-as-code tools involved, like Terraform, CDK or Pulumi.
GUI's are often reserved for quick fixes and trying out things on staging servers (derisively called "click-ops").
Chef, Puppet, Ansible, SaltStack, even Otter (for Windows).
For smaller servers/services, they are plenty of admins still getting their hands dirty in a shell (for instance my home lab is a baremetal hypervisor with a few hosts and a whole load of Docker containers).
But in business environments, especially those using cloud providers, infrastructure as code is king.
I'm looking to rise up from the hell desk, I have an enterprise grade server sitting collecting dust at the moment (heat issue, not on the server, just the average ambient temperature is uncomfortable without it running is too much) but its running unraid at the moment and not much else.
Any suggestions on where to start with infrastructure as code?
Google “Terraform homelab” and read a few guides on how to use Proxmox, Terraform, Ansible, Puppet, cloud-init, Packer, etc.
A great starting point is being able to write some code that will consistently build a homelab setup, perhaps running a few useful services like Snapdrop, Pihole, OpenVAS, Etherpad Lite, etc. The goal being capable of standing everything up and tearing it down using Terraform and Proxmox (Terraform instructing Proxmox to create VMs and Ansible to configure those VMs with what you need).
There are loads of similar solutions (such as Ansible and Puppet) so don’t be scared of trying a few different guides and wiping the server a few times along the way. It’ll give you a strong understanding of the various tools and, once you’ve done it a few times, you can land on your preferred setup and start building your own use cases for it all.
Hope this helps!
Much appreciated. Just needed some phrases to throw in a search engine to get started.
It is far from a stereotype, and most times it isn't personal preference either.
It is just about using the best tool for the job.
Many tasks can be done either this or that way, but one of the ways is usually much faster, or repeatable/scriptable, or easier to make mistakes etc.
GUIs are very limiting. You’re only able to do what the designer wants you to be able to. By using the terminal it’s much simpler to do more complicated tasks (once you’ve gotten past the learning curve).
Also since so many servers are headless (no display outputs) they’ll be remotely logged into, meaning there’s only a terminal to interface with the machine.
It used to be 100% command line. Now it's 80% shell and 20% web portals.
No it's legit. Most servers nowadays are Linux so if you're working on a specific server you are using the command line.
It's way more efficient generally.
GUI can be great for quick specific tasks but you are limited by the features added by the software.
Speaking from ~20 years experience: Yes, mainly. But both GUIs and web dashboards are common and widespread. It varies wildly based on what type of server you're maintaining and what type of organization you're in.
If you run a custom Minecraft server via some online service, you'll be going through a web dashboard.
Typical corporate or government IT tends to be Windows/GUI based, but of course with as much automation as possible in the form of global policy settings.
Typical small web development shop tends to be via code configuration and web dashboards on rented hosts.
Typical SAAS-provider type company tends to be strictly command-line but as little as possible, and try to have everything via configuration, rules, deployment scripts, etc checked into a version control system.
It's extremely varied, but to my understanding it is correct that command line is most common.
At my work it's all command line or inside the code Itself. No need to be scared of the cli.
For a single new problem that hasn't yet been automated I use CLI utilities to collect information to use to write code for a new automation.
I use web UIs to monitor metrics (grafana) and write custom exporters to collect metrics that can show performance or potential issues and logs.
Yes I personally find it much quicker running a few commands via SSH and editing Docker compose files in a text editor than clicking around in some kind of web interface. It's also much easier asking for help or helping someone else I you can just send commands to execute instead of explaining different menus and buttons they need to go into.
Depends on the kind of server - Linux, yes, command line all the way. Windows (and Active Directory and other Microsoft stuff) you use GUI mostly in combination with some PowerShell scripts (often running on the "command line").
You can't really do configuration management with a GUI. Or version control. Everything I do I manage with Ansible as much as possible. YAML is self-documenting as well. How much effort is 'run command with parameter' documentation vs explaining how to navigate a GUI?
You can't really do configuration management with a GUI.
Cries in Windows Server
As others mentioned, it depends on the details. But anything routine should be done with CLI or code, because then it can be scripted/automated. The time savings for that adds up surprisingly quickly, especially when you consider the human errors that are avoided.
Yes, I manage my Raspberry Pi Plex/Pi-Hole/OpenVPN server using command line because, well, it's Linux.
Also for work I manage Windows Server based systems and although this is a largely GUI based operating system, Command Prompt/Powershell are still tools I use daily to provide more control and depth over what I can do (bulk admin actions, for example).
I don't really use command line out of preference - moreso because it's the necessary tool for the job.
Simple answer, yes
Personally, it's the power of powershell that I use for the hundreds of windows servers. Otherwise it's the power of Linux bash shell scripts for the dozens of Linux servers. None of the Linux servers run a gui so there's no options there. Tbh for me, self documenting gui is the slowest way to do work. Configuring hundreds at once with peer reviewed scripts and change control is much more effective since the peer review and change control will be needed either way.
Oh though I use fortimanager a lot of configuring dozens of Fortigates. Only have a few scripts on it though.
You can accomplish a lot through scripting - light programming. Anything you can type into a command line can also be executed by a script. This is the power of them. So when managing large arrays of resources, the potential for automation and scaling effort is big.
I don’t think all of that can be replaced with GUIs. When you consider that sysadmins are working with tons of different software from many different providers and trying to make it all work together, the command line interface is really the common language they all share - even the bulllshit legacy products that are still hanging around after 15 years of being outdated. You’d need extremely sophisticated GUI tools to be able to do everything, across all these products, at scale.
There are of course GUI tools for specific tasks, but the command line is the foundational tool.
Disclaimer: I know fuck all about Microsoft things. Only have some experienc with *nix
I only use CLI access over SSH to manage servers. Using a GUI is painful, especially working remotely. Even wjen I had to deal with windows servers I'd setup an SSH server on it and use powershell.
Ideally you don't even access the server manually over that, but use a management system like Ansible or Puppet to configure and manage it.
I work with embedded devices, and to some degree also servers. Graphical user interfaces are usually ignored as they just take up space and resources, and you can't even do half of what you can in the terminal (assuming you know your way around a terminal, but being a server admin, you really should).
Web interfaces are usually used for status pages, or if anyone who isn't you or a fellow admin needs to to anything as, you guessed it, they are very restrictive, so the other party hopefully can't do much damage.
I manage my Lemmy server via SSH/terminal so yes, command line.
Good exercise for my command line skills!
cd /
sudo rm -rf *
Hmmm, that's a good one to use but I prefer sudo chmod -R 777 /
All the ways we can fuck up the system! So many options!
"How do you want to induce YOUR Linux migraine today?!"
--no-preserve-root
Unix gives you just enough rope to hang yourself. And then a couple more feet, just to be sure. — Eric Allman
If you are managing linux servers and you need to go into them for whatever reason, then using ssh is common and you will use a terminal to do so. There are some web interfaces for other things like managing a virtual machine cluster for creating virtual machines, set up network configurations for the cluster, etc.
Command line all the way! I have a few webUI’s I use to make some tasks easier for myself and a few other users, but all my setup and maintenance is done in the command line—often the things I need to use aren’t even easily available in any other form unless I have the desktop version of the OS running.
You definitely need cli for some stuff at least. Contrary to popular belief, cli is actually much easier for accessing and managing stuff. So most sysadmins and devops use cli at least to some extent.
Most servers and server providers only provide ssh access to ma age stuff, you can get some gui in more advanced panels to for example setup firewall, add ssh keys, open and close ports. You might expect a docker manager of sorts in some places. But since almost anything you can do with gui, you can do with cli, it's considered an extra benefit if you provide the gui.
Some tools used are gui only though. They certainly use some sort of cli stuff behind the scenes but you can't interface with their functions without gui. You certainly can do the same stuff with coding and running commands but why bother when the tool might be decent ane gets the job done.
All in all, it comes down to preference and more important than that, necessity. If you are an expert with cli usage and have a good memory or cheatsheet, cli is mostly preferable than a gui. Cli is much more standardized, there is no design change, commands might change but most of the time it isn't. In gui you mostly get less data, but you can get charts. So in analysis mode, gui would be preferable.
There is no rule to follow, but since most stuff is only done using cli, you see it being used more often. Some applications are implementing better guis, some guis interface with a lot of application cli outputs, making it much easier to understand what's happening. So you might get to see guis in action more often. You might have seen graphana for example in a bunch of movies. But I guess it doesn't give the same hacker vibe as a dude with 50 terminals witg fast scrolling text. Which is useless but there are cli apps to do that as well.
Any decent Linux admin with manage with CLI and any decent windows and min can do it via PowerShell but some functions still need the GUI
There are some applications which only get managed via webUI
Infrastructure as Code has enough of a footprint now that you can manage many servers and applications via code. Ansible, Terraform, chef, puppet are the big names in the IaC space.
Both, actually. 95% web-GUI, and if something goes wrong, a bit of ssh.
What? no. Automation automation automation. Have your ansible, chef, or puppet ready. Where possible, have your terraform or equiv. ready. Python and bash scripts. Only use web portals where no automation solution exists.
This I'd do if I had a room full of servers and a team that would tend them 24/7.
I have a real job to do, and take care of one server on the side if necessary.
It's mostly about using every last one of the cpu cycles efficiently, which is old school think from the days when 640k was supposed to be enough for anyone. When I was a wee tyke in the 8bit era we had machines that did graphics, but they were for launching games from a terminal/console.
There are many servers with GUIs, primarily Windows servers, and there's probably web or GUI interfaces available for every useful service you can run which will be handy in some contexts, but there's a kind of speed and simplicity you can get with a good console that no gui can touch. Hard to explain unless you've done some work.
I've seen both. But typing in a command or writing it into a script or configuration file and then activating it for 80 servers is way faster and easier than logging in into everyone and clicking some menus and buttons with the mouse. Or you have mantenance every 2 weeks and it's super easy to launch a prepared script instead of dragging and dropping files with the mouse for hours.
Also people vastly overestimate how difficult it is to use the command line. It needs a certain amount of knowledge, true. But it it is not a big deal compared to knowing the concepts behind your server, how a webserver or some network works etc.
Linux servers usually don't have the graphical interface installed, because nobody bothers and it'd be a waste of space and time.
For my Debian server in the basement of my house, yes. I rarely log into it directly, and just ssh in from my desktop or my laptop.
Same goes with the server I rent for my website. I always use command line for that.
It depends.
My personal servers are a mix of the two. I have a Synology NAS that I manage through a web-based GUI. Sometimes I’ll dip into command line via SSH, but not very often.
I have two more lower-power Linux servers that I manage through command-line primarily. They don’t have many system resources, so I want them to have as much available as possible to serve things.
Windows servers I use GUI management most of the time
I support a large number of windows servers, and the answer is it largely depends on what i'm doing, like if i'm doing a file restore i find navigating folder structures a pain in the ass from a CLI, so i'll just use GUI.
If i'm doing something a bit more complicated like running AD reports, easier to just use powershell.
Using a command line interface is muche easier most of the time compared to a GUI. One of the reasons I can think of is that it's easier to cram a lot of options inside of commands than it is to make an interface for them. You can have a look at nmap for instance, the menus inside the gui are clunky and fairly hard to read. Another advantage of the cli is that you can use it for scripting which is part of the basic skills of many sys admins. For a lot of treatments (like CSV files) it's also much faster to pipe commands together than to go through Excel for instance. It can be intimidating at first but the man pages and sometimes a bit of internet research can go a long way.
GUIs are a useful tool to give common users an accessible way to understand how they're interacting with technology. They're best utilized,I think, when the point of the technology is to be viewed. Like imagine you had to browse and launch Netflix shows in a terminal. That would be incredibly annoying.
In contrast, its really goddamn slow to perform routine server maintenance and commands through a GUI. I save so much time managing my servers through CLI, scripting, and automated tasks. Almost everything I'm dealing with is text based information.
What I miss in the CLI, is proper structure in the text.
For example, a good IDE will list all problems found with your code, ordered in a sensible way. If I then click in a problem, it expands, and I get to see the full text description of that error. I can then click on a file/line combo, and be directed immediately there.
If I run CMake directly, I get kilobytes of error message dumped into a single blob of text.
Colors, line prefixes, and separator lines attempt to bring some structure into this mess, but it still remains a big wall of text.
It takes less effort for me to process the data presented to me by a good IDE, because it is organized and structured.
Same thing with git commits/branches/tags.
Same thing with diffs/merges.
Almost ALL text data can be organized in some way. But most text data is not big enough or common enough, that it is worth our time and effort to structure it that well. I therefor see GUIs as tools for when you are doing something so commonly done, that the effort of structuring the data was worth it.
I'm a mix of each. If i can do it faster via a gui then i do the gui. if it's faster via command line then i use that. Those hardcore command line guys can enjoy typing 20 commands in which 4 button clicks can achieve the same thing 🤷
Depends I like to use network management system to give a overview and mail notications.
There are performings tools that more detailed what have web interfaces.
For Linux there is a limited amount software that have web interfaces. Even when they do most documentation is written with cli in mind.