Linux: Tips n Tricks

A complete series covering TLS basics, DigiCert trust changes, certificate lifetime reductions, and automation for Linux users. Intro...

Part 6 of 6 A practical 2026 checklist for TLS certificate trust changes, DigiCert chain updates, automation, and monitoring. Int...

Part 5 of 6 Shorter TLS certificate lifetimes mean manual renewal is no longer enough. Here is how Linux admins can automate renewals...

Part 4 of 6 People keep saying certificate validity is dropping from one year to one month. Here is the real public TLS timeline and ...

Part 3 of 6 A practical Linux guide to inspecting TLS certificate chains with OpenSSL before DigiCert trust changes cause browser err...

Part 2 of 6 Older DigiCert certificate chains are losing browser trust in 2026. Here is what is changing, who is affected, and why it...

Part 1 of 6 A simple guide to TLS certificates, certificate chains, root CAs, and intermediates for Linux users, website owners, and ...

 As cybersecurity threats evolve, older SSL/TLS protocols and ciphers that were once considered secure have become deprecated due to vulnera...

The foundation of secure communication on the internet relies heavily on TLS/SSL cipher suites. These suites dictate the ...

The use of SSL/TLS (Secure Sockets Layer/Transport Layer Security) encryption is fundamental to the security of internet communication. When...