Timothy Murphy wrote: > when I ran "sudo yum update" on my CentOS-7.2.1511 today, > ddclient was updated to ddclient-3.8.3-1.el7.noarch (from 3.7.3), > and ddclient.conf was moved to ddclient.conf.rpmsave . > > When I move it back, "sudo systemctl restart ddclient" > fails with the error (in "sudo journalctl -xe | grep ddclient") > Apr 21 13:05:39 alfred.gayleard.eu.localdomain touch[8590]: /bin/touch: > cannot touch ‘/var/cache/ddclient/ddclient.cache’: Permission denied > > I see that when updating ddclient a new group ddclient was created. > I've tried various methods, eg deleting ddclient.cache, > re-installing ddclient, > creating a new ddclient.cache owned by root.ddclient, etc, > but without success. > Running "sudo systemctl restart ddclient" either fails, or hangs. > > Any advice gratefully received. > > Is there a way to go back to the previous version of ddclient? > when I try "sudo yum downgrade ddclient-3.7.3" > I'm told "No package ddclient-3.7.3 available" I've managed to return to the previous version, by going to http://fr2.rpmfind.net/linux/rpm2html/search.php?query=ddclient downloading ddclient-3.7.3-1.el5.rf.noarch.rpm , and running sudo yum downgrade ~/ddclient-3.7.3-2.el7.rf.noarch.rpm -- Timothy Murphy gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin