Yearly Archives: 2015

Force apt-get to use IPv4 instead of IPv6

It seems that Ubuntu/Debian (or perhaps other distros as well) prefer IPv6 DNS records instead of IPv4 when applicable and some times this results in loss of connectivity or similar problems. I ran into this issue today while trying to update an old VPS with apt-get/aptitude. Specifically, security.ubuntu.com was being resolved in an unreachable IPv6… Read More »

Loading

check_mk: problem & solution

Network Topology Problem: From Dashboard-Network Topology-click on any nodes and getting this error “It appears as though you do not have permission to view information for any of the services you requested… If you believe this is an error, check the HTTP server authentication requirements for accessing this CGI and check the authorization options in… Read More »

Loading