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| -rw-r--r-- | doc/guix.texi | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ce82b48ad2..f0d148ace0 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -12740,6 +12740,31 @@ NetworkManager will run @code{dnsmasq} as a local caching nameserver, using a @dfn{conditional forwarding} configuration if you are connected to a VPN, and then update @code{resolv.conf} to point to the local nameserver. +With this setting, you can share your network connection. For example when +you want to share your network connection to another laptop @i{via} an +Ethernet cable, you can open @command{nm-connection-editor} and configure the +Wired connection's method for IPv4 and IPv6 to be ``Shared to other computers'' +and reestablish the connection (or reboot). + +You can also set up a @dfn{host-to-guest connection} to QEMU VMs +(@pxref{Installing Guix in a VM}). With a host-to-guest connection, you can +e.g.@: access a Web server running on the VM (@pxref{Web Services}) from a Web +browser on your host system, or connect to the VM @i{via} SSH +(@pxref{Networking Services, @code{openssh-service-type}}). To set up a +host-to-guest connection, run this command once: + +@example +nmcli connection add type tun \ + connection.interface-name tap0 \ + tun.mode tap tun.owner $(id -u) \ + ipv4.method shared \ + ipv4.addresses 172.28.112.1/24 +@end example + +Then each time you launch your QEMU VM (@pxref{Running Guix in a VM}), pass +@option{-nic tap,ifname=tap0,script=no,downscript=no} to +@command{qemu-system-...}. + @item none NetworkManager will not modify @code{resolv.conf}. @end table |