Introduction to Firewalls: Basic Configuration of Iptables and Firewalld
Learn the basic configuration of Linux firewall tools Iptables and Firewalld.
Tech NewsPassword Manager Selection: Comparison between Bitwarden and 1Password
Compare two major password managers: the open-source and free Bitwarden, and the paid 1Password.
Tech NewsComplete Guide to Two Factor Authentication (2FA): TOTP and Hardware Key
Master the two mainstream methods of two factor authentication: TOTP verification code and hardware key.
Tech NewsFunny Naming of Technology Companies: The Bizarre Origin from Google to Yahoo
Looking back at the funny origins of tech company names: Google is misspelled, Yahoo is a weirdo, and Amazon is randomly chosen.
Tech NewsFollowed social networks: from MySpace to Clubhouse
Looking back at those social networks that were once popular but have now cooled down: MySpace, Google+, Clubhouse, Path.
Tech NewsThe Evolution of Internet Language: from "awesome" to "yyds"
Review the evolution of Chinese network catchwords: from "awesome", "god and horse are floating clouds" to "yyds" and "juezi".
Tech NewsUnreasonable internet celebrity check-in spot: a strange place that became popular because of a photo
Looking back at those strange places that became popular check-in spots for internet celebrities because of a single photo: abandoned factories, abandoned buildings, and garbage dumps.
Tech NewsLegendary figures in the hacker world: from Kevin Mitnick to Snowden
Looking back at legendary figures in the history of hackers: Mitnick deceived the entire phone system, Snowden leaked NSA secrets.
Tech NewsEmbarrassing data breach: Writing user passwords in public documents
Looking back at those embarrassing data breaches: companies wrote passwords on public GitHub and posted database links on blogs.
Tech NewsFunny code accident: missing a comma causes the company to lose millions of dollars
Looking back at funny code incidents: missing a comma, adding an extra semicolon, deleting a wrong line, causing the company to lose millions.