A lot of websites provide pre-computed SHA-256 digests for files that users download. A user can compare the checksum of the file they have downloaded with the checksum provided by the website sepa...

First of all please do not use MD5 for cryptographic purposes such as storing one-way hash of passwords like it was used in the past. It has severe vulnerabilities and the CMU Software Engineering ...

If you accidently run Jekyll build or serve as root user and now want to run it as any other user and get an error message like: [kausar@centos ~]$ jekyll build Configuration file: _config.yml ...

I really like Android’s confectionary-themed naming scheme. It’s really sweet (pun intended 😉). And it also goes in alphabetical order. I guess the question is what happens when they reach Z. F...

While installing Jekyll on a new CentOS machine I got this this error. configure: error: in `/usr/lib/ruby/gems/1.8/gems/ffi-1.9.10/ext/ffi_c/libffi-x86_64-linux': configure: error: no acceptable ...

I came across this error when I was installing Jekyll on a CentOS machine. If you are installing a Ruby gem (usually first one on new machine) and you get an error like: [kausar@centos ~]$ sudo ge...