Hello, at the last update (Kernel updated from 2.6.32-696.3.2.el6.x86_64 to 2.6.32-696.6.3.el6.x86_64) I got these messages Updating : ipv6calc-1.0.0-20.el6.x86_64 6/25 /var/tmp/rpm-tmp.yi7R81: line 1: /usr/sbin/ldconfig: No such file or directory warning: %post(ipv6calc-1.0.0-20.el6.x86_64) scriptlet failed, exit status 127 Non-fatal POSTIN scriptlet failure in rpm package ipv6calc-1.0.0-20.el6.x86_64 Cleanup : ipv6calc-0.99.2-17.el6.x86_64 25/25 /var/tmp/rpm-tmp.i7G3si: line 1: /usr/sbin/ldconfig: No such file or directory warning: %postun(ipv6calc-0.99.2-17.el6.x86_64) scriptlet failed, exit status 127 Non-fatal POSTUN scriptlet failure in rpm package ipv6calc after this a ipv6calc -A conv6to4 77.88.99.111 works ... what does the messages should say to me ... Walter