How to set the read and write permission of lamp file in Ubuntu

Ubuntu how to set lamp file read and write permissions, I believe that many inexperienced people do not know what to do, so this paper summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

Set read and write permissions for Ubuntu lamp files

After the LAMP build is installed, the default setting of the PHP network server root directory is: / var/www. Due to the security principle of the Linux system, the read and write permissions of files in the changed directory are only allowed by root users, so we cannot create new php files in the www folder, nor can we modify and delete them. We must first modify the read and write permissions of the / var/www directory. File permissions cannot be modified by right-clicking in the interface manager, so you have to execute the root terminal command: sudo chmod 777 / var/www. You can then write to the html or php file.

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