Server OS

Especially for Ubuntu

Command Line: chmod
Command Line: ln

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Ubuntu 16.04 LTS

Upgrading from 14.04 LTS

Install update-manager-core package: sudo apt-get install update-manager-core
Launch upgrade tool: sudo do-release-upgrade

Note: set /etc/update-manager/release-upgrades to lts

Upgrading PHP 5.0 to PHP 7.0

Change server blocks to use new php5-fpm location

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
    
        #fastcgi_pass 127.0.0.1:9000;
        
        #REMOVE OLD VERSION#
        fastcgi_pass unix:/var/run/php5-fpm.sock;

        #USE NEW VERSION#
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
    }