PHP 

How to get the URL of the current page in PHP via the `$_SERVER` superglobal

Github  git  version control 

Github error when running `git pull origin master`: 'fatal: Couldn't find remote ref master'

Apache 2.4  Apache (httpd)  linux  web servers  Debian  Debian 10  SSL  mod_ssl 

A quick foray into disabling SSLSessionTickets in Apache2 (because there is no automated key rotation mechanism implemented yet).

Debian 10  Apache 2.4  Apache  system administration  linux  PHP  PHP-FPM 

How to switch from Apache2 mpm_prefork to mpm_event module and setup php-fpm in Debian 10.

Apache 2.4  Apache 2  Apache  mod_access_compat  Apache modules  system administration  Apache performance tuning 

Yes, in Apache2.4 the `mod_access_compat` module can safely be disabled, as long as you remove all the deprecated 'Order', 'Allow', and 'Deny' directives from your apache and vhost configs.

Kubuntu  Kubuntu 19.10  Kubuntu 20.04 

Notes from an in-place upgrade of Kubuntu 19.10 to 20.04

MariaDB  MySQL  sysadmin 

Syntax reminder: create separate user in mariadb/mysql for remote administration and assign privileges.

Lenovo  Laptops  Lenovo Carbon X1 (7th gen)  linux 

Notes on using linux with a Lenovo Carbon X1 (7th generation) laptop

Vim 

Use the `:read` command in vim to copy the contents of another file into the current vim session.

Ubuntu  Ubuntu 16.04  SSH  SFTP  system administration  config files 

How to grant users SFTP access via the /etc/ssh/sshd_config file in Ubuntu 16.04

Nextcloud 

Documenting the process of moving an existing Nextcloud instance to a new server.

Laravel  Laravel 5.2  Laravel 5.5  web development 

Notes from a Laravel 5.2 to 5.5 upgrade.

grep  linux utilities 

Quick reminder how to make grep return filenames only

PHP  PDO  sqlite  web development 

Short reminder how to connect to a sqlite database with PHP's PDO database library

DBeaver  MacOS  Java 

Workaround for an issue causing DBeaver error 'Failed to create java virtual machine'.