Installing Composer on EC2 Linux Command Not Found

composer install
composer command not found
composer could not find a composer.json file in /home/ec2-user
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yum install composer
npm install composer
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I run the following commands to install the Composer:

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php -r "if (hash_file('SHA384', 'composer-setup.php') === 'aa96f26c2b67226a324c27919f1eb05f21c248b987e6195cad9690d5c1ff713d53020a02ac8c217dbf90a7eacc9d141d') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php --install-dir=/usr/local/bin
php -r "unlink('composer-setup.php');"

Afterwards, when I run composer, I see that it is working. However, whenever I run sudo composer, I always receive

Command Not Found.

The output ofthe echo $PATH is:

/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin:/home/ec2-user/.local/bin:/home/ec2-user/bin

What can I do to enable composer under sudo?

First you need to SSH into your EC2 instance

ssh -i ~/.ssh/<your_group_security>.pem ec2-user@<ec2-public-ip>

Run below command on your EC2 instance

$ cd ~
$ sudo curl -sS https://getcomposer.org/installer | sudo php
$ sudo mv composer.phar /usr/local/bin/composer
$ sudo ln -s /usr/local/bin/composer /usr/bin/composer

Then you can run verify composer installation

$ sudo composer install

Install composer on Amazon AMI running on EC2, Composer could not find a composer.json file in /home/ec2-user To initialize a project, please directory where a composer.json file exists as this command installs your dependencies, not composer itself. I'm on AMI Linux 2 and I got:. sudo composer install. should be. composer install. note that at this point, composer is already "installed". Before running the above command you should be in your project directory where a composer.json file exists as this command installs your dependencies, not composer itself.

If you can run composer "alone" then you should have composer installed in /usr/local/bin/composer so you can just link it to /usr/bin/composer with

sudo ln -s /usr/local/bin/composer /usr/bin/composer

and then run

sudo composer install

PHP Composer - Command Not Found, ubuntu@ip-172-31-39-231:~$ sudo ln -s /usr/local/bin/composer /usr/bin/​composer ln: failed to create symbolic link '/usr/bin/composer': File  But any direct composer statements fail. Not sure if it matters but Composer was included within a cloned repository. I just want to install a single Oauth library, then likely not touch Composer again for several months, so I don't need to run it globally. I'm just confused why I can't run Composer from within this directory.

Hard to answer questions with limited info.

  1. See if you can run sudo composer.phar. That is default name that composer installs itself into. Unless you rename it it by mv /usr/local/bin/composer.phar /usr/local/bin/composer.
  2. Run ls /usr/local/bin/ to verify that composer got installed. Unless you are root you might not have correct permissions to access /usr/local/bin.

Install composer on Amazon AMI Running on EC2, Still got “composer: command not found” when verifying the install? Simply create a link to the /usr/bin location and voila! So, let us start to install Composer. Install Composer on Linux. The installation of Composer is quite simple. Because of the impressive tool, it is almost a gift. First, you need to install PHP.:~$ sudo apt install php libapache2-mod-php php-mbstring php-xmlrpc php-soap php-gd php-xml php-cli php-zip. Next, show the PHP version.

How To Install and Use Composer on Ubuntu 18.04, 1 2 3 4 5 6 7, $ cd ~ $ sudo curl -sS https://getcomposer.org/installer | sudo php $ sudo mv composer.phar /usr/local/bin/composer $ sudo ln -s  Everything can be installed with the following command: sudo apt install curl php-cli php-mbstring git unzip With the prerequisites installed, we can install Composer itself. Step 2 — Downloading and Installing Composer. Composer provides an installer, written in PHP. We’ll download it, verify that it’s not corrupted, and then use it to

How to Install and Use PHP Composer on Ubuntu 18.04, In this tutorial, you'll install and get started with Composer on an Ubuntu 18.04 We'll download it, verify that it's not corrupted, and then use it to install Composer. for the latest installer found on the Composer Public Keys / Signatures page. To install composer globally, use the following command which will download  Installing Magento 2 With Composer. Thinking of installing Magento 2 with Composer, but not sure how to do it? Don’t worry, you’re at the right place! There is official documentation on how to do it, so this is merely an alternate step-to-step guide if you want to skim and not read the entire documentation. We plan to keep this guide

How to Install and Use PHP Composer on CentOS 7, The command above will download the composer-setup.php file in installer hash found on the Composer Public Keys / Signatures page. Now run the following command to verify that the installation script is not corrupted: If you are using Ubuntu Linux 16.04 LTS or newer and want to use PHP 7.x, run: $ sudo apt install curl php7.0-cli git. Install composer tool. Next install composer on Debian or Ubuntu Linux in /usr/local/bin/ directory as follows: