Installing Redis - Quick Revision & Summary

Recall & Review

beginner

What is Redis?

Redis is an open-source, in-memory data structure store used as a database, cache, and message broker.

beginner

Which command installs Redis on Ubuntu Linux?

You can install Redis on Ubuntu using the command: sudo apt-get install redis-server.

beginner

How do you start the Redis server after installation on Linux?

Start Redis server with: sudo systemctl start redis.service or redis-server.

beginner

What command checks if Redis is running on your system?

Use redis-cli ping. If Redis is running, it replies with PONG.

intermediate

Name one way to install Redis on Windows.

You can install Redis on Windows using Windows Subsystem for Linux (WSL) or download a third-party port like Memurai.

Which command installs Redis on Ubuntu?

A brew install redis

B sudo apt-get install redis-server

C sudo yum install redis

D pip install redis

On Ubuntu, the correct command is sudo apt-get install redis-server.

What does the command redis-cli ping return if Redis is running?

A PANG

B OK

C PONG

D ERROR

If Redis is running, redis-cli ping returns PONG.

Which of these is NOT a way to install Redis?

A Using pip install redis-server

B Using apt-get on Linux

C Using Homebrew on macOS

D Using Windows Subsystem for Linux

Redis is not installed via pip; pip installs Python clients, not the Redis server.

How do you start Redis server on Linux after installation?

A sudo systemctl start redis-server.service

B redis start

C start redis-server

D service redis stop

The correct command to start Redis server is sudo systemctl start redis-server.service.

Which platform requires special steps to install Redis?

A Ubuntu

B Linux

C macOS

D Windows

Windows does not have an official Redis release; it requires WSL or third-party ports.

Describe the basic steps to install and start Redis on a Linux system.

Think about installing software, starting it, and checking if it works.

Explain how you can check if Redis is running after installation.

Use the Redis command line tool to test the server.