Well try to install YAML first then run your command i.e. install Tk. I am working on windows and I used to run this to install Tk: 
(For 32 bit) ppm install http://www.bribes.org/perl/ppm/Tk.ppd 
(For 64 bit) ppm install http://www.bribes.org/perl/ppm64/Tk.ppd

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So instead of ppm install you should use apt-get install. In extreme case, if this doesn't work then I'll suggest to download the package from cpan and run following: 
perl Makefile.PL
make
make test 
make install

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I think that much is enough but in case if you need more help please read Install file inside that package file

In reply to Re: Unable to install Tk module by ckj
in thread Unable to install Tk module by rkrasowski

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