From d896260958c78ecf1310ea2483c68efefb7842d6 Mon Sep 17 00:00:00 2001
From: Jacek Migacz <jmigacz@redhat.com>
Date: Mon, 22 Aug 2022 18:24:29 +0200
Subject: resolve: control system hostname synthesis via environment variable

---
 docs/ENVIRONMENT.md | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'docs')

diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index fc173289d9..e5afafbe10 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -286,6 +286,11 @@ All tools:
   the installed ones. By default non-UTF-8 locales are suppressed from the
   selection, since we are living in the 21st century.
 
+`systemd-resolved`:
+
+* `$SYSTEMD_RESOLVED_SYNTHESIZE_HOSTNAME` — if set to "0", `systemd-resolved`
+  won't synthesize system hostname on both regular and reverse lookups.
+
 `systemd-sysext`:
 
 * `$SYSTEMD_SYSEXT_HIERARCHIES` — this variable may be used to override which
-- 
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