Let's Encrypt has a fair usage policy and a rate limit is set. The current limits are
a) 5 duplicate renewal certificates per registered domain per week.
b) 50 certificates per registered domain per week

You can use Let's Encrypt's staging environment if you are testing/dry running automation.

Further reading:
https://letsencrypt.org/docs/rate-limits/
https://letsencrypt.org/docs/staging-environment/

Open a terminal to edit /etc/apache2/httpd.conf $ sudo vi /etc/apache2/httpd.conf Search for the variable "ServerName" in the editor. If commented, uncomment it and add it to the httpd.conf file ServerName localhost Then, restart the web server. (more…)

If PHP files are getting downloaded instead of executing, make sure that PHP type is added to Apache AddType application/x-httpd-php .php Restart the web server once the changes are done and try to open the web page again. $ sudo apachectl -k restart

To enable any packages or to run PHP from apache $ sudo vi /private/etc/apache2/httpd.conf If PHP scripts are not executing, first check if the relevant version of the PHP module is enabled in httpd config settings (somewhere in the middle of the file). You may need sudo permission to save any file settings. LoadModule php7_module libexec/apache2/libphp7.so Then, restart the server $ sudo apachectl -k restart

You can install the latest version of Ionic and Cordova CLI using a single command $ npm install ionic cordova -g Still, you may get a notification message saying "Please install your Cordova CLI to version >=4.2.0 `npm install -g cordova`" Or, incorrect version numbers for ionic and cordova even after installing their latest versions globally. (more…)

To change the host name in Mac Terminal window, type $ sudo scutil --set HostName To change the computer name that appears in Mac Terminal, type $ sudo scutil --set ComputerName Flush DNS cache $ dscacheutil -flushcache