Empty the content of a file in Linux
That’s it!
Work around to make sub-subdomain useful on Cloudflare
As any seasoned webmaster may have known, Cloudflare’s free SSL certificate while convenient for most use cases, are very restrictive in edge cases. For example when you want to have.a.vanity.url.com for your website, Cloudflare won’t work (only vanity.url.com part is…
How to install zip extension for PHP7
Specifically for LAMP stack / webmin First, install the module Then restart the web server That’s it!
Fix Can’s sign in to Appstore – This action could not be completed on MacOS
sudo mkdir -p /Users/Shared sudo chown root:wheel /Users/Shared sudo chmod -R 1777 /Users/Shared Non descriptive error. A trademark of Apple (r)
Tools to scan and secure your website
SSL server test: https://www.ssllabs.com/ssltest/ Mozilla Observatory: https://observatory.mozilla.org/analyze/ Firefox plugin to generate content-security-policy (simply browse your website for it to work): https://addons.mozilla.org/en-US/firefox/addon/laboratory-by-mozilla/ Sample nginx configuration for good security https://gist.github.com/plentz/6737338
How to fix “Host ‘172.x.0.1’ is not allowed to connect” with MySQL Docker
Using the official MariaDB docker image from Docker Hub, I got this error Host ‘172.18.0.1’ is not allowed to connect to this MySQL serverI I tried adding a shared volume after some google search, but that didn’t work volumes: #…
How to install Node.JS
“Isn’t it just simply googling ‘how to install Node’” you asked? Yes it isn’t. The default Node installer will require administrator privilege The node process will require admin privilege also if installed that way (which is a bad idea: every…
WARNING: Module mcrypt ini file doesn’t exist under /etc/php/7.2/mods-available
Reason: This module is not available for PHP 7.2 yet, you need to install the 7.1 version and link it to 7.2 Pointing to php7.1-mcrypt with php7.2 will solve the issue here. Below are the steps to configure 7.1 version mcrypt with php7.2 Install php7.1-mcrypt sudo…
Bug in PHP My admin on Ubuntu 18.04
I got this error every time I tried to query a table in PHPMyAdmin Warning in ./libraries/sql.lib.php#601 count(): Parameter must be an array or an object that implements Countable Backtrace ./libraries/sql.lib.php#2038: PMA_isRememberSortingOrder(array) ./libraries/sql.lib.php#1984: PMA_executeQueryAndGetQueryResponse( array, boolean true, string ‘alternativegirls’, string…
PHP result in blank page and 404 in nginx
If I go to a .php file, I got a blank page, if I add a query string ?something=something I got a 404. I tried to search this error with the script I was trying to use on Google to…