Strange behavior of git blame '-C' option.

(update1)
'git blame' 's option '-C' works strangely to me, and i'm neither able to find
anything relevent in manpage nor somewhere else.  So, here is just test
results and my speculations, which may be (completely) wrong.

icq through stunnel: enable certificate verification.

Suggested earlier (see This icq..) config for running icq
(pidgin) through stunnel is insecure! Though it provides encryption, it does
not verify certificates, because stunnel's default is 'verify=0'.

So, here is how to fix it, but for debian wheezy.

Multiboot with Grub 2. Do it the hard way ;-)

Upd1. Various small fixes.
Upd2. Change layout.

Table of content:
    A. Notes about grub-install.
    B. Notes about update-grub.
    C. Other notes.
    D. Multiboot schemes.
    E. Scripts and config examples.

initramfs and noexec /tmp

If during creation of new initramfs by update-initramfs (called by e.g.
kernel postinst script) /tmp is mounted with 'noexec', initramfs will be
slightly different and may report errors, like

E: /scripts/local-premount/resume failed with return 255.

shell's 'errexit' option and variable definition.

Shell's option 'errexit' works unexpectedly when command returning non-zero
is called in `local` variable definition statement.