Flock only provides 32-bit (i686) binaries so if you’re running 64-bit (x86_64) Fedora Linux, you probably don’t have the right dependencies.

First step, download the archive file from flock.com

Then, uncompress it. I choose to do this straight to /usr/local

sudo tar -C /usr/local -xf /path/to/flock-*.linux-i686.tar.bz2

Create a symlink in /usr/local/bin so it is in your path:

sudo ln -s /usr/local/flock/flock-browser /usr/local/bin

If you run flock-browser now, you’ll get an error:

error while loading shared libraries: libgtk-x11-2.0.so.0: cannot open shared object file: No such file or directory

If you satisfy this, you’ll get some more, so here are the packages you need to install with yum (which will pull down lots more). Don’t try to satisfy them yourself, it will only cause you pain. Just use yum.

sudo yum install gtk2.i686 libXt.i686 PackageKit-gtk-module.i686 libcanberra-gtk2.i686

You might still get some errors about a gtk theme, but I ignored them as they appear to be fairly harmless (at least I don’t care about them):

(flock-bin:19147): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",