Michael A. Peters wrote: > Mufit Eribol wrote: > >> Michael A. Peters wrote: >> >>> Thomas Dukes wrote: >>> >>>> The error I got when I ran 'yum update' was: >>>> >>>> Error: Missing Dependency: nss = 3.12.2.0-2-el5.centos is needed by package >>>> nss-devel >>>> >>>> >>> Yes, that will do it - devel packages do need to be the same EVR. >>> Sounds like you figured it out. >>> >> I have exactly the same problem. No nss-devel is installed currently. >> But yum update always gives the below message: >> >> ... >> Package nss-devel.i386 0:3.12.2.0-2.el5.centos set to be updated >> ... >> nss = 3.12.2.0-2.el5.centos is needed by package nss-devel >> ... >> >> I can't install nss-devel either due to the very same error. >> >> Sorry Michael, I still haven't figured it out. No clue at all. >> > > Sounds like something in your upgrade requires nss-devel but an > nss-devel to match the updates nss isn't in the repo, so the update > finds the wrong nss-devel. > > What happens when you comment out the mirror list and uncomment the > baseurl for both base and updates? > "yum update" gives the error. But "yum clean all && yum upgrade" fixed the problem as stated by one of the above posters and upgraded to 5.3 without any problem. Thank you. Mufit