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-rw-r--r--docs/configuration/system/host-name.rst9
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/configuration/system/host-name.rst b/docs/configuration/system/host-name.rst
index 30efe01e..d062fc62 100644
--- a/docs/configuration/system/host-name.rst
+++ b/docs/configuration/system/host-name.rst
@@ -22,7 +22,7 @@ the command line prompt.
.. cfgcmd:: set system host-name <hostname>
- Set system hostname. The hostname can be up to 63 characters. A hostname
+ The hostname can be up to 63 characters. A hostname
must start and end with a letter or digit, and have as interior characters
only letters, digits, or a hyphen.
@@ -46,7 +46,12 @@ Static Hostname Mapping
How an IP address is assigned to an interface in :ref:`ethernet-interface`.
This section shows how to statically map an IP address to a hostname for local
-(meaning on this VyOS instance) name resolution.
+(meaning on this VyOS instance) name resolution. This is the VyOS equivalent to
+`/etc/hosts` file entries.
+
+.. note:: Do *not* manually edit `/etc/hosts`. This file will automatically be
+ regenerated on boot based on the settings in this section, which means you'll
+ lose all your manual edits. Instead, configure static host mappings as follows.
.. cfgcmd:: set system static-host-mapping host-name <hostname> inet <address>