From 75c6072cce6b53db9c3b9cb7adf053cefec0bcae Mon Sep 17 00:00:00 2001
From: Timo Wilken
Date: Fri, 2 Jun 2023 23:17:23 +0200
Subject: Share connections to lxtunnel

---
 tw/home.scm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'tw/home.scm')

diff --git a/tw/home.scm b/tw/home.scm
index cade5881..9bc9384a 100644
--- a/tw/home.scm
+++ b/tw/home.scm
@@ -116,7 +116,15 @@ auto-expand-secmem
         ;; CERN stuff
         ,(openssh-host
           (name "lxtunnel.cern.ch")
-          (proxy no-proxy))    ; avoid ProxyJump loops
+          (proxy no-proxy)    ; avoid ProxyJump loops
+          ;; Share a single connection to lxtunnel, to speed up subsequent
+          ;; connections to the GPN.  Keep it open for a few minutes after
+          ;; the last user connection exits, in case we need it again.
+          (extra-content "\
+  ControlMaster auto
+  ControlPath ${XDG_RUNTIME_DIR}/ssh_mux_%h_%p_%r
+  ControlPersist 5m
+"))
         ,(openssh-host
           (name "lxplus*.cern.ch")   ; also catch e.g. lxplus9
           (proxy no-proxy)     ; no jump needed
-- 
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