Many thanks. I did mount the Kali file system on a Linux lC and installed metasploit successfully. I couldn't upgrade Kali in the chroot environment.I received the following error. Preparing to replace libxrender1:armhf 1:0.9.7-1+deb7u1+b1 (using .../libxrender1_1%3a0.9.7-1+deb7u2_armhf.deb) ... Unpacking replacement libxrender1:armhf ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.16.0-rc1+ /bin/df: Warning: cannot read table of mounted file systems: No such file or directory warning: failed to read mtab ^Cdpkg: error processing initramfs-tools (--unpack): subprocess installed post-installation script was interrupted Processing triggers for man-db ... Errors were encountered while processing: initramfs-tools E: Sub-process /usr/bin/dpkg returned an error code (1) root@JellyRoll:/home#