install composer on linux

# The following method has been tested on Ubuntu 20.04
# But i think it should work fine with any other distribution

# Ensure you're on Desktop, to prevent issues with permissions
cd ~/Desktop

# Download the installer script
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

# Verify intergrity to check whether an error happened during the fetch
php -r "if (hash_file('sha384', 'composer-setup.php') === '8a6138e2a05a8c28539c9f0fb361159823655d7ad2deecb371b04a83966c61223adc522b0189079e3e9e277cd72b8897') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"

# Download composer script, which is the actual composer file
php composer-setup.php

# Remove the installer script as it's no longer needed
php -r "unlink('composer-setup.php');"

# To use composer globally, it's a good idea to move it to the path
# /usr/local/bin
sudo mv composer.phar /usr/local/bin/composer

# Try running composer to see if everything works fine
composer -V
# If you see the following output, then you're good to go:
# Composer version 1.10.10 2020-08-03 11:35:19

View another examples Add Own solution

4.3

Alkasm 110 points

                                    // Adding permissions after installing Composer on Mac OSX
sudo chmod 755 /usr/local/bin/composer.phar

Thank you! 10

4.3 (10 Votes)

Colum Paget 115 points

                                    php -r &quot;copy('https://getcomposer.org/installer', 'composer-setup.php');&quot;

Thank you! 3

3 (3 Votes)

Noodles 90 points

                                    php -r &quot;copy('https://getcomposer.org/installer', 'composer-setup.php');&quot;
php -r &quot;if (hash_file('sha384', 'composer-setup.php') === 'e0012edf3e80b6978849f5eff0d4b4e4c79ff1609dd1e613307e16318854d24ae64f26d17af3ef0bf7cfb710ca74755a') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;&quot;
php composer-setup.php
php -r &quot;unlink('composer-setup.php');&quot;

Thank you! 0

4.57

Adam w 100 points

                                    php -r &quot;copy('https://getcomposer.org/installer', 'composer-setup.php');&quot;
php -r &quot;if (hash_file('sha384', 'composer-setup.php') === 'e0012edf3e80b6978849f5eff0d4b4e4c79ff1609dd1e613307e16318854d24ae64f26d17af3ef0bf7cfb710ca74755a') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;&quot;
php composer-setup.php
php -r &quot;unlink('composer-setup.php');&quot;

Thank you! 7

4.57 (7 Votes)

4.18

Kevmac 105 points

                                    php -r &quot;copy('https://getcomposer.org/installer', 'composer-setup.php');&quot;

Thank you! 8

4.18 (22 Votes)

4.33

Dr Chris Gittings 100 points

                                    // Adding permissions after installing Composer on Mac OSX
sudo chmod 755 /usr/local/bin/composer.phar

Thank you! 9

4.33 (9 Votes)

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