service mythbackend restart
Stopping mythbackend:                                      [FAILED]
Starting mythbackend: declare -x LANG="en_US.UTF-8"
declare -x OLDPWD
declare -x PATH="/sbin:/usr/sbin:/bin:/usr/bin"
declare -x PWD="/"
declare -x SHLVL="1"
declare -x TERM="vt100"
cannot open logfile /var/log/mythtv/mythbackend.log
cannot open logfile; using stdout/stderr
2008-02-26 13:24:21.502 Using runtime prefix = /usr
                                                           [  OK  ]
[root@home init.d]# 2008-02-26 13:24:21.518 New DB connection, total: 1
2008-02-26 13:24:21.523 Connected to database 'mythconverg' at host: localhost
2008-02-26 13:24:21.526 Current Schema Version: 1160
Starting up as the master server.
2008-02-26 13:24:21.536 New DB connection, total: 2
2008-02-26 13:24:21.536 Connected to database 'mythconverg' at host: localhost
2008-02-26 13:24:21.539 EITHelper: localtime offset -6:00:00 
2008-02-26 13:24:21.542 Channel(/dev/video1)::Open(): Can't open video device, error "Permission denied"
ERROR: no valid capture cards are defined in the database.
Perhaps you should read the installation instructions?
2008-02-26 13:24:21.544 New DB connection, total: 3
2008-02-26 13:24:21.545 Connected to database 'mythconverg' at host: localhost
2008-02-26 13:24:22.769 Main::Registering HttpStatus Extension
2008-02-26 13:24:22.769 mythbackend version: 0.20.20070821-1 www.mythtv.org
2008-02-26 13:24:22.769 Enabled verbose msgs:  important general
/myth/store//nfslockfile.lock: Permission denied
Unable to open lockfile!
Be sure that '/myth/store/' exists and that both 
the directory and that file are writeable by this user.