Category Archives: Bash

Check if the certificate of a domain was revoked

Just had the need to quickly check if the certificate of a domain was revoked or not, and found this tutorial:  OpenSSL: Manually verify a certificate against a CRL Well done, but two problems: If the server doesn’t send all certificates (including the root CA), the verify process will fail Too much to type… So i quickly created a bash … Continue reading

Posted in Bash, Linux, Security, SSL/TLS | Tagged , , , , , , | Leave a comment

Quick tip: Download all pdf files on a website

After RedHat Enterprise Linux 7 was released this week, which has a bunch of very cool features by the way, I wanted to download all the new documentations as PDF to put them on my iPad. But right-click each of the 30 links and click “save as” definitely wasn’t the way to go. Administrators are lazy guys… URL of the … Continue reading

Posted in Bash, CentOS, Linux, Mac, Quick tip | Tagged , | Leave a comment

Simple Rsync Backup Script

Over the last 10 years i’ve tested and used many different backup solutions for my Linux and Mac machines. I think the very first one i have used regularly was unison. A great tool for bidirectional syncing, but it always had problems with special characters. And, there are many commercial ones out there. The good ones often cost US$ 40-80. Simply too … Continue reading

Posted in Backup, Bash, Linux, Mac | Tagged , , , , | Leave a comment