Archive for March, 2014

CentOS/RHEL GnuTLS Dependents

Last week’s announced GnuTLS bug is a serious one, but do you know the ramifications? Many articles painted Linux with a broad brush, claiming Red Hat, Debian, etc were deeply impacted. While it is true that the GnuTLS library is included in all distros (including CentOS and other RHEL flavors), it may not be widely used.

GnuTLS is licensed under LGPL. The alternative OpenSSL library is licensed under a combined BSD(SSLeay) and Apache 1.0 license. Some distros (notably Debian-based) don’t appear to like the licensing complexity that OpenSSL brings, so GnuTLS may be preferred. But many RHEL packages do not seem to be as fearful.

The following command will show all packages that are dependent on GnuTLS. (Which is not to be confused with “yum deplist” for dependencies.)

repoquery --whatrequires --installed --recursive gnutls

For CentOS and others of similar ilk, it is likely that you’ll find that OpenSSL has more dependents than GnuTLS.

PS: a gnutls patch has already been released, so get a jump and install it. Much is made about the need for dependent apps to regression-test, but don’t wait. If all the patch did was correctly fix the goto logic that left a truck-sized hole, I hardly think the fix could be any worse.

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TV Tech In Real Life #1

In this week’s episode of “The Following”, Ryan Hardy receives a threatening video via SMS on his BYOD phone. He hands the phone to an FBI tech who plugs in and instantaneously has the video play on the big screen for all in the Command Center to see.

In Real Life, they would have spent 15 minutes futilely looking for the proper cable, another 15 trying to get AirPlay or GoogleTV to sync, and ultimately they’d end up with 10 people hovering around the small screen to watch.


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