I am not sure if it is the same problem, but it seems. When installing I've got the error:
$ sudo aptitude install ddns3-client Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done Building tag database... Done The following NEW packages will be installed: ddns3-client 0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 17.6kB of archives. After unpacking 127kB will be used. Writing extended state information... Done Get:1 http://ch.archive.ubuntu.com edgy/universe ddns3-client 1.8-6ubuntu1 [17.6kB] Fetched 17.6kB in 2s (7947B/s) Selecting previously deselected package ddns3-client. (Reading database ... 123537 files and directories currently installed.) Unpacking ddns3-client (from .../ddns3-client_1.8-6ubuntu1_i386.deb) ... Setting up ddns3-client (1.8-6ubuntu1) ... [: 19: ==: unexpected operator [: 19: ==: unexpected operator [: 19: ==: unexpected operator Setting Dynamic DNS v3: IP at ns.ddns.nu unchanged, client_error: you must specify a password client_exit: argument parsing; 1 errors invoke-rc.d: initscript ddns3-client, action "start" failed. dpkg: error processing ddns3-client (--configure): subprocess post-installation script returned error exit status 254 Errors were encountered while processing: ddns3-client E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up ddns3-client (1.8-6ubuntu1) ... [: 19: ==: unexpected operator [: 19: ==: unexpected operator [: 19: ==: unexpected operator Setting Dynamic DNS v3: IP at ns.ddns.nu unchanged, client_error: you must specify a password client_exit: argument parsing; 1 errors invoke-rc.d: initscript ddns3-client, action "start" failed. dpkg: error processing ddns3-client (--configure): subprocess post-installation script returned error exit status 254 Errors were encountered while processing: ddns3-client -- ddns3 client does not start if /bin/sh is linked to dash https://launchpad.net/bugs/60877 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs