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Asked: 2024-09-25T12:54:25+05:30 In:

What are the steps to install Redis on an Ubuntu 16.04 system?

So, I’ve been trying to wrap my head around installing Redis on my Ubuntu 16.04 setup, and honestly, I’m feeling a bit lost. I know that Redis can really help with data structures and caching, which is why I want to get it up and running. However, I’m not super tech-savvy, so I could really use some help from anyone who’s managed to do this before.

First off, I’ve read that there are different methods to install Redis, like using `apt-get` straight from the repository or even compiling it from source if you want the latest version or features. But honestly, I’m wondering if sticking with `apt-get` is the easiest route. Are there any pitfalls to doing it this way?

Once I get past the installation part, I’m unsure about the configuration. Like, what are the essential settings I need to tweak? I heard something about Redis being able to run as a background server, and activating persistence options, but I’m not quite sure what would make the most sense for my usage.

Also, what about security? I really want to avoid leaving it wide open, but I’ve seen mixed opinions on whether to set a password or restrict access based on IP. How important is that for a development environment, anyway?

Now, I did find some tutorials online, but they seem to skip a step here or there or assume a level of knowledge that I don’t have, which is super frustrating. If you’ve done this before, could you break it down step-by-step for me? It would be a huge help if you could include anything you learned the hard way, or common mistakes to avoid while setting it up.

Hoping to get this going so I can dive into using it, but I’m definitely looking for any guidance or insights you can share. Thanks!

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    2 Answers



    1. Installing Redis on Ubuntu 16.04 – A Beginner’s Guide

      Installing Redis on Ubuntu 16.04

      If you’re looking to install Redis on your Ubuntu 16.04 machine, I totally get how overwhelming it can be when you’re not super tech-savvy. Here’s a simple step-by-step guide that should help you out!

      Installation via `apt-get`

      Using apt-get is definitely the easiest way to install Redis. In most cases, you’ll end up with a version that’s stable and sufficient for starting out. Here’s what you need to do:

      1. Open your terminal.
      2. First, run this command to update your package list:
        3. sudo apt-get update
      3. Then, install Redis by running:
        4. sudo apt-get install redis-server

      That’s it! You have Redis installed!

      Configuring Redis

      Now, let’s talk about configuration. The default settings are okay for testing, but you’ll want to tweak a few things:

      1. To edit the configuration file, use:
        2. sudo nano /etc/redis/redis.conf
      2. To run Redis as a background service, find the line that says supervised no and change it to supervised systemd.
      3. For persistence, look for the save lines and make sure they’re not commented out (look for the `#` symbol). This lets Redis save the data you store in it.

      Security Considerations

      For security, it’s good to be aware of a couple of things:

      • It’s a good idea to set a password, even in a development environment. You can do this by finding the requirepass line in your config file and adding a password to it.
      • Restricting access based on IP can be helpful, especially if you have a specific environment or machine that needs to access it.

      Common Pitfalls

      Here are some common mistakes to avoid:

      • Not enabling persistence when needed. If Redis crashes, you’ll lose all your data!
      • Forgetting to restart Redis after making changes. Run sudo systemctl restart redis.service to apply your configuration changes.
      • Leaving Redis open to the internet without a password; this can lead to serious security issues.

      Final Thoughts

      Once you have everything set up, you can start using Redis! Don’t hesitate to dive into the documentation as well; it can be a treasure trove of info. Good luck!



    2. Installing Redis on Ubuntu 16.04 can be accomplished easily using the apt-get package manager, which is indeed the most straightforward approach for users who may not be super tech-savvy. To begin, you’ll want to update your package list and then install Redis by running the following commands in your terminal:

            sudo apt-get update
      sudo apt-get install redis-server

      This method typically installs a stable version of Redis that’s suitable for most users, although you may miss out on the very latest features available in the source version. After installation, ensure Redis starts automatically at boot time by running:

            sudo systemctl enable redis-server

      For configuration, you can find the Redis configuration file located at /etc/redis/redis.conf. Essential settings to consider modifying include setting supervised to systemd to manage Redis as a service and enabling persistence options by uncommenting save lines to allow data to be written to disk at specified intervals. Regarding security, it’s wise to consider implementing a password and applying IP restrictions, especially if your setup is exposed to the internet, as this can prevent unauthorized access. For a local development environment, it might not be as critical, but establishing good security habits from the start is beneficial. Avoid common pitfalls like neglecting to configure your firewall or exposing Redis to public networks without precautions.


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