Thank you for your answer. I want to have the hostname and ip written in the /etc/hosts file so I can access them directly using their hostname and not their ip. For example, I'd like to ping the hostname rather than the ip.
I will document myself on dnsmasq to get a better understanding of everything. On Apr 22, 2013, at 10:48 PM, Michael H. Warfield <m...@wittsend.com> wrote: > On Mon, 2013-04-22 at 21:59 +0200, Robin Monjo wrote: >> Hello everyone, >> >> Using the default config, containers will have their IP attributed by >> the dnsmasq service. I'd like to write in the '/etc/hosts' file of the >> host system the hostname and the corresponding IP address of each >> container I start. > > Why? If you're using dnsmasq, it's in the DNS cache of the dnsmasq > server. That's its purpose in life, to act as a DNS caching service. > Why do you need it in /etc/hosts when you've already got in in DNS? > >> I will then use this hostname in an iptable rules for port forwarding. >> But what if dnsmasq change an IP at the end of the lease ? > >> So the question is: how long an IP given by dnsmasq will last ? > > What is your lease expiration configured for? I've used anything for a > few hours (high turnover large WiFi sites) to several days to carry over > a weekend along with static leases for servers and "permanent" devices. > It depends on what you've configured it for. > >> May I see one of my container have its IP changed ? > > Maybe. Depends on what you've configured it for. I'm not so sure about > dnsmasq acting as the dhcp server (which is what you are talking about) > but dhcpd will notify you of things like this. Most notably, you will > get deletes on old name/addresses and adds for new name/addresses both > forward and reverse, but it's all configuration driven. > >> Any ways to have the dnsmasq table synced with the /etc/hosts file >> (container's host side) ? > > Again... Why? Use the DNS cache in dnsmasq. You have no need to refer > to /etc/hosts at all. > >> Kind regards > > Regards, > Mike > -- > Michael H. Warfield (AI4NB) | (770) 985-6132 | m...@wittsend.com > /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/ > NIC whois: MHW9 | An optimist believes we live in the best of all > PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it! ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
