Found a list of Useful OpenSSL Commands today. Mostly I wanted to get the subject out of a cacert.pem file which I wasn’t sure of:
openssl x509 -text -noout -in hostcert.pem
Useful OpenSSL Commands
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Category Archives: Sys Admin
The 5 Hardest Parts of Programming
An article on The 5 Hardest Parts of Programming which discusses optimisation, networking, security, reliability and scalability.
Alan Kasindorf on Modern Memcached
A talk Modern Memcached by Alan Kasindorf.
Portable Executable 101 – a windows executable walkthrough
Saw this Portable Executable 101 – a windows executable walkthrough today. Pretty cool visualisation.
BlackHat USA 2011: SSL And The Future Of Authenticity
A talk on the future of authenticity:
BlackHat USA 2011: SSL And The Future Of Authenticity.
Creating a MySQL database from the command-line, and snipplr
Today I was looking up the syntax to create a MySQL database from the command-line and found instructions on Snipplr. I haven’t seen snipplr before. I guess I’ll have to spend some time one day browsing the popular snippets.
Apache module mod_macro
Learned about Apache module mod_macro today.
Apache configuration error: couldn’t check user. No user file?
I was trying to configure Digest authentication in Apache and I was getting Internal Server Error 500 when trying to access my site. The Apache error log reported: “configuration error: couldn’t check user. No user file?”
Turned out the problem was that I hadn’t installed the Digest auth module. So the fix was:
# a2enmod auth_digest # apache2ctl graceful
Subversion Path-Based Authorization
Reading about Subversion Path-Based Authorization.
Subversion Apache Digest authentication
Reading about Digest authentication in Apache for Subversion.