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last updated on 25 May 2018

Björn Rüffer/Björn's Blog

black on white / light-on-dark HTML from light on black emacs buffers

28 November 2012

In my emacs I use a dark background with a light color for text and have the impression that it is less painful on the eyes that the more common black-on-white. So far so nice, but when I want to export buffer contents to HTML using htmlize-buffer to post it here, I get the same light on black which seems incompatible with the design of this blog. The solution is to advise the function htmlize-buffer to temporarily change the default face (that’s where I changed the colors to light on black) when the conversion is done. The actual... Read more.

Kerberos/AFS Problems with SSH

28 November 2012

For most of this year I had a lot of trouble ssh-ing into campus computers from my mac using kerberos authentication. Sometimes it would work, sometimes it would not, and sometimes I could log in but on the remote side my AFS home directory would not get mounted. Turning on verbose mode (-v) for ssh, I would see strange error messages like this one:

debug1: Next authentication method: gssapi-keyex debug1: No valid Key exchange context debug1: Next authentication method: gssapi-with-mic debug1: Miscellaneous failure (see text) PROCESS_TGS (negative cache) debug1: An invalid name was supplied unknown mech-code 0 for...
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Another macports upgrade problem

10 November 2012

On a different machine I still had problems with upgrading, even after recompiling a lot of packages with the help of this step here:

$sudo port -bcR upgrade requested ---> Computing dependencies for inkscape ---> Fetching archive for inkscape ---> Attempting to fetch inkscape-0.48.3.1_6+python27.darwin_10.x86_64.tbz2 from http://lil.fr.packages.macports.org/inkscape ---> Attempting to fetch inkscape-0.48.3.1_6+python27.darwin_10.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/inkscape ---> Attempting to fetch inkscape-0.48.3.1_6+python27.darwin_10.x86_64.tbz2 from http://packages.macports.org/inkscape Error: org.macports.archivefetch for port inkscape returned: archivefetch failed for inkscape @0.48.3.1_6+python27 Please see the log file for port inkscape for details: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_inkscape/inkscape/main.log Error: Unable to upgrade port: 1 To report a bug, follow the instructions in the...
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