Fake rpm database in ubuntu

Jens — Mon, 11 Jan 2010 11:17:12 +0000

At work I’m currently developing software which is supposed to run on openSUSE. I need to query the package database at some point which of course does not exist on my ubuntu machine. Here’s a quick setup how to create a fake local RPM database:

echo "%_dbpath /home/user/rpmdb" >> ~/.rpmmacros
mkdir /home/user/rpmdb
rpm -i --nodeps --justdb --force-debian *.rpm

And that’s it.

Making putty look nice on Windows

Jens — Mon, 21 Dec 2009 17:24:52 +0000

I don’t like the default look of putty on windows, so I usually do two things:

Download the DejaVu fonts
Get this PowerShell skript to tangoify the putty palette
Note: On Windows 7 you might need to enable yourself to be able to execute powershell skripts.

How to examine binary registry dumps in Linux

Jens — Tue, 24 Nov 2009 10:36:22 +0000

Say you have a binary registry export or dump from Windows and need to have a look at its contents. What do you do? The solution I came up with is:

WINEPREFIX=/tmp/dump regedit *.reg

Which gives you nice plain-text ini-style registries to examine in /tmp/dump. That obviously needs Wine installed.

Learning something new every day….

Jens — Mon, 21 Jul 2008 11:30:38 +0000

Just in case someone wonders what %~d0 in a .bat or .cmd file means, here’s the excerpt from help call:

[...]

In addition, expansion of batch script argument references (%0, %1, etc.) have been changed as follows:

%* in a batch script refers to all the arguments (e.g. %1 %2 %3 %4 %5 …)

Substitution of batch parameters (%n) has been enhanced.Â You can
now use the following optional syntax:

%~1Â Â Â Â Â Â Â Â – expands %1 removing any surrounding quotes (“)
%~f1Â Â Â Â Â Â Â – expands %1 to a fully qualified path name
%~d1Â Â Â Â Â Â Â – expands %1 to a drive letter only
%~p1Â Â Â Â Â Â Â – expands %1 to a path only
%~n1Â Â Â Â Â Â Â – expands %1 to a file name only
%~x1Â Â Â Â Â Â Â – expands %1 to a file extension only
%~s1Â Â Â Â Â Â Â – expanded path contains short names only
%~a1Â Â Â Â Â Â Â – expands %1 to file attributes
%~t1Â Â Â Â Â Â Â – expands %1 to date/time of file
%~z1Â Â Â Â Â Â Â – expands %1 to size of file
%~$PATH:1Â Â – searches the directories listed in the PATH
environment variable and expands %1 to the fully
qualified name of the first one found.Â If the
environment variable name is not defined or the
file is not found by the search, then this
modifier expands to the empty string

The modifiers can be combined to get compound results:

%~dp1Â Â Â Â Â Â – expands %1 to a drive letter and path only
%~nx1Â Â Â Â Â Â – expands %1 to a file name and extension only
%~dp$PATH:1 – searches the directories listed in the PATH
environment variable for %1 and expands to the
qualified name of the first one found.Â If the
environment variable name is not defined or the
file is not found by the search, then this
modifier expands to the empty string

The modifiers can be combined to get compound results:

%~dp1Â Â Â Â Â Â – expands %1 to a drive letter and path only
%~nx1Â Â Â Â Â Â – expands %1 to a file name and extension only
%~dp$PATH:1 – searches the directories listed in the PATH
environment variable for %1 and expands to the
drive letter and path of the first one found.
%~ftza1Â Â Â Â – expands %1 to a DIR like output line

In the above examples %1 and PATH can be replaced by other
valid values.Â The %~ syntax is terminated by a valid argument
number.Â The %~ modifiers may not be used with %*

I bet the guy meant %~dp0 in the call to cacls

The adventures of Foo » Shell

Fake rpm database in ubuntu

Making putty look nice on Windows

How to examine binary registry dumps in Linux

Learning something new every day….