util: dovecot-sysreport: Use "uname -n" instead of "hostname" for portability

hostname is not defined by POSIX, so not guaranteed to work.

diff --git a/src/util/dovecot-sysreport b/src/util/dovecot-sysreport
index 5384fe926c2af6bf7b610edeed2b1708228b51b7..02068d0b4a9af14c55e02aa657783cf639ec7679 100755 (executable)
--- a/src/util/dovecot-sysreport
+++ b/src/util/dovecot-sysreport
@@ -2,7 +2,7 @@
 
 set -eu
 
-dest="dovecot-sysreport-$(hostname)-$(date +'%s').tar.gz"
+dest="dovecot-sysreport-$(uname -n)-$(date +'%s').tar.gz"
 conf_flag=""
 binary=""
 core=""