I sudo su - to become root and ran apt-get update, and then I tried to install krename :

Code:
root@Microknoppix:~# apt-get install krename
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 krename : Depends: libpodofo0.9.0 but it is not going to be installed
           Depends: libtag1c2a (>= 1.5) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

root@Microknoppix:~# ll /lib/libpodofo* /usr/lib/libpodofo* /usr/local/lib/libpodofo* /lib/libtag* /usr/lib/libtag* /usr/local/lib/libtag*
ls: cannot access /lib/libpodofo*: No such file or directory
ls: cannot access /usr/local/lib/libpodofo*: No such file or directory
ls: cannot access /lib/libtag*: No such file or directory
ls: cannot access /usr/local/lib/libtag*: No such file or directory
-rw-r--r-- 1 root root 1528744 2015-08-29 15:33:28 /usr/lib/libpodofo.so.0.9.0
lrwxrwxrwx 1 root root      22 2015-08-09 18:43:12 /usr/lib/libtag-extras.so.1 -> libtag-extras.so.1.0.0
-rw-r--r-- 1 root root   50456 2015-08-09 18:43:12 /usr/lib/libtag-extras.so.1.0.0

root@Microknoppix:~# apt-get install libtag1c2a
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libtag1c2a : Depends: libtag1-vanilla (= 1.9.1-2.1) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

root@Microknoppix:~# apt-get install libtag1-vanilla
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libkf5notifications5 : Depends: phonon4qt5 but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

root@Microknoppix:~# apt-get install phonon4qt5
Reading package lists... Done
Building dependency tree
Reading state information... Done
phonon4qt5 is already the newest version.
phonon4qt5 set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 323 not upgraded.

root@Microknoppix:~# apt-get install libkf5notifications5
Reading package lists... Done
Building dependency tree
Reading state information... Done
libkf5notifications5 is already the newest version.
libkf5notifications5 set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 323 not upgraded.
How can I get krename installed ? I really miss it.