![javascript - The installation directory "/usr/local/bin" is not writable - How to fix this? I am trying to install the composer globally - Stack Overflow javascript - The installation directory "/usr/local/bin" is not writable - How to fix this? I am trying to install the composer globally - Stack Overflow](https://i.stack.imgur.com/iI3fe.png)
javascript - The installation directory "/usr/local/bin" is not writable - How to fix this? I am trying to install the composer globally - Stack Overflow
![Unable to downgrade Composer to v1 - Installation - Magento 2 Beginner Tutorials, Reviews and Discussions Unable to downgrade Composer to v1 - Installation - Magento 2 Beginner Tutorials, Reviews and Discussions](https://digitalstartup.co.uk/uploads/default/original/2X/1/1ef836f4d291a7ca8ae1d57979fd221d97e07d09.jpeg)
Unable to downgrade Composer to v1 - Installation - Magento 2 Beginner Tutorials, Reviews and Discussions
![Composer .....usr/local/bin/composer): Permission denied 解决方案_mv: rename composer.phar to /usr/local/bin/compose-CSDN博客 Composer .....usr/local/bin/composer): Permission denied 解决方案_mv: rename composer.phar to /usr/local/bin/compose-CSDN博客](https://img-blog.csdnimg.cn/2021050423150015.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L01yX01va2E=,size_16,color_FFFFFF,t_70)