An overview of two-factor authenticatation (2FA) and how it works.
Continue reading “How to protect online accounts with two-factor authentication (2FA).”Category: System Administration
This category holds content, that is related to my professional work with system administration of information technology.
This is the procedure, with examples in FreeBSD, for how to create a virtual host in Apache HTTP server, including, how to create a seperate system user account, create the document root directory, setting permissions and constructing the virtual host configuration in Apache.
Continue reading “Create a virtual host in Apache HTTP server.”Free and open source editor for editing PHP scripts, HTML documents and similar programming languages in Microsoft Windows.
Continue reading “Notepad++. Free and open source editor for Windows.”This is the procedure for how to install WordPress from the command line on a FreeBSD or similar UNIX- or Linux based web server.
Continue reading “How to install WordPress from the command line on FreeBSD.”This is a test of positions and games in RPB Chessboard plugin for WordPress.
Continue reading “Test of RPB Chessboard plugin for WordPress.”Open dconf-editor and go to org, gnome, control-center and last-panel. Set the value to default. This worked for me. Thanks to bpurgar for the solution in FreeBSD Bugs. See more at Bug 259007.
Configure FileZilla to access and use an SFTP server in order to upload and download files. Tested with FileZilla 3.3.1 on FreeBSD 13.1 on 2022-11-04.
Continue reading “How to use FileZilla to access an SFTP server.”This page describes, how to block web browser and bot user agents from accessing and scraping a website by configuring the Apache .htaccess control file. Written 2022-08-11. Tested with Apache 2.4.54 for FreeBSD.
Continue reading “How to block user agents with Apache .htaccess.”This is the procedure for finding large files and sorting files by size on a FreeBSD, UNIX, Linux and Mac OS X based file system by using the default find, du, sort and tail utilities. Written 2022-08-08. Updated 2022-08-11.
Continue reading “Finding large files and sorting by file size on FreeBSD, UNIX, Linux and Mac OS X.”This page describes the different link relations and how to set them, when linking to other pages, and thereby letting search engines understand, that the linking page is not trying to manipulate the ranking algorithms.
Continue reading “What is HTML link relations and which ones should be used?”