New scenario released! 🚀
An app was set up locally using Docker Compose... but it doesn't start.
It has 3 services: proxy, app and database.
Can you make it work?
www.learnbyfixing.com/scenarios/19/
Happy fixing!
#LearnByFixing #DevOps #SRE #Sysadmin #Docker
New scenario released! 🚀
You tried to start a containerized app, but it doesn't run.
A colleague says it works on their laptop.
Can you make it run without changing the app's code?
www.learnbyfixing.com/scenarios/18/
Happy fixing!
#LearnByFixing #DevOps #SRE #Sysadmin #Docker
New scenario released! 🚀
A Docker image was built to deploy an app to production… but there’s a problem.
It's over 1 GB.
Your mission: optimize its size to be under 20 MB.
Can you fix it?
www.learnbyfixing.com/scenarios/17/
Happy fixing!
#LearnByFixing #DevOps #SRE #Sysadmin #Docker
🚀 Big Update: From Tutorials to Real Challenges
Our labs are now real challenges, featuring:
- A "Check Solution" button
- Optional hints if you get stuck
- Full solution reveal when you're ready
www.learnbyfixing.com
#LearnByFixing #DevOps #SRE #Sysadmin #Linux #Docker
Instant DevOps Labs: Hands-On & Free! 🚀
Get 15 minutes of real Linux environment practice with genuine scenarios.
No signup. No email. No credit card required.
www.learnbyfixing.com
#LearnByFixing #DevOps #SRE #Sysadmin #Linux #Docker
Scenario filter
New features are here! 🚀
We’ve just launched two highly requested improvements:
- Skill-level filtering in Scenarios
- Seamless access using your GitHub account
Ready to dive in and get hands-on? www.learnbyfixing.com/scenarios/
#LearnByFixing #DevOps #SRE #Sysadmin #Linux
Scenario description
New scenario released! 🚀
Reload the configuration of a containerized app without restarting the Docker container.
Sounds easy? Not so much when the container uses a distroless image.
www.learnbyfixing.com/scenarios/16/
Happy fixing!
#LearnByFixing #DevOps #SRE #Sysadmin #Docker
Docker logo
We have just expanded the Environment Variables guide to include their use in Docker containers:
www.learnbyfixing.com/guides/envir...
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #Docker #Containers #EnvironmentVariables
Docker logo
New scenario released! 🚀
You have a verbose Docker container.
Your challenge: make it log ERROR messages only without modifying the image.
Sharpen your Docker skills and try it now:
www.learnbyfixing.com/scenarios/15/
Happy fixing!
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #Docker #Containers
New free guide released! 🚀
Do you want to troubleshoot Linux like a pro? Our latest guide shows you how to inspect system calls using strace, a must-have tool for every SysAdmin, SRE and DevOps engineer.
www.learnbyfixing.com/guides/syste...
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #strace
New scenario released! 🚀
In this scenario, you’ll learn how to:
- Identify which port a program needs to listen on.
- Track down the process that's already listening on that port.
www.learnbyfixing.com/scenarios/14/
Happy fixing!
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #syscalls #strace
New scenario released! 🚀
Having the config file for a program is not enough. You also need to put it in the right place.
Check it out and level up your troubleshooting skills: www.learnbyfixing.com/scenarios/13/
Happy fixing!
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #syscalls #strace
New scenario released! 🚀
www.learnbyfixing.com/scenarios/12/
Imagine you don't know how to quit vi / vim / neovim .
Figure out how to exit without using any vi commands.
Happy fixing!
#LearnByFixing #Linux #DevOps #SRE #Sysadmin #vi #vim #neovim
We are excited to announce the official launch of Learn by Fixing! 🚀
Ready to try it? www.learnbyfixing.com
Happy fixing!
#LearnByFixing #Linux #DevOps #SRE #Sysadmin
Diagram of a pipe
New guide released! 🚀
Learn how pipes work and how to connect commands using them.
www.learnbyfixing.com/guides/pipes/
#LearnByFixing #linux #DevOps #shell #pipes
🚀 New guide released!
Learn how to redirect input and output when running a program from the shell.
www.learnbyfixing.com/guides/shell...
#LearnByFixing #linux #shell
Scenario description
🚀 New scenario released!
All roads lead to Rome, but in Linux there is a single $PATH to find all programs.
👉 Come and learn all about it: www.learnbyfixing.com
#LearnByFixing #Linux #EnvironmentVariables #PATH
🚀 All our guides are now available for free!
🎯 These concise guides provide just the key insights you need to grasp each concept quickly.
👉 Start learning now: www.learnbyfixing.com/guides/
#LearnByFixing #Linux #DevOps #SRE #FreeLearning
🚀 New scenario released!
💡 Dive into Environment Variables in Linux.
🔧 Make the program in this scenario log only errors without changing its code.
👉 Try it now: www.learnbyfixing.com
#LearnByFixing #Linux #DevOps #EnvironmentVariables #EnvVars
📱Our labs are now more mobile-friendly!
✅ Redesigned UI
✅ Smoother navigation
✅ Easier to run commands & view outputs
Try them out now 👉 www.learnbyfixing.com
#LearnByFixing #Linux #DevOps #SRE #SysAdmin
🚀 We are happy to announce the beta version of Learn by Fixing!
www.learnbyfixing.com
Dive into our hands-on troubleshooting scenarios and help shape the platform with your feedback.
#LearnByFixing #Linux #DevOps #SRE #Troubleshooting
