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Content Tagged with shell + sysadmin

Some nice Unix shell hacks.

A livecd to just launch emacs

Ah, the perils of working in a shared, client environment. One client has us using a login that is not exclusive to us. I prefer using bash; the client is set to use zsh. This is not a problem in and of itself.

However, there is a section in the .profile that is causing me issues:

if [ -f /usr/bin/ksh ]; then
        /usr/bin/ksh -o vi
        exit
fi

So, “If ksh exists, run it with some options to edit history with vi-like commands”. Except what we really want is “If you’re using the ksh as a shell, . . . .”

So I added a modification, and now all is fine.

if [ -f /usr/bin/ksh ]; then
        if [ "$SHELL" = "/usr/bin/ksh" ]; then
                /usr/bin/ksh -o vi
                exit
        fi
fi

(not all my problems are MySQL related!)

Send one command to multiple machines via dsh

Examine methods for reporting on e-mail usage and getting detailed statistics on mailbox use. E-mail logs can provide a wealth of information about your users and their e-mail habits, including how often and frequently they use their e-mail.

Zsh is a shell for Un*x systems that has been around since 1990 and is more sophisticated and configurable than most shells out there. There are lots of features, such as: * Context-based completion of many functions (like remote filename completion in ss