vm-common.sh: use full path to sysctl

Signed-off-by: Colin McCabe <cmccabe@alumni.cmu.edu>

diff --git a/vm-common.sh b/vm-common.sh
index ba0f77a..9f8bbef 100644 (file)
--- a/vm-common.sh
+++ b/vm-common.sh
@@ -4,7 +4,7 @@ die() {
 }
 
 run_vm() {
-    sysctl -w net.ipv4.ip_forward=1 || die "failed to enable ip_forward"
+    /usr/sbin/sysctl -w net.ipv4.ip_forward=1 || die "failed to enable ip_forward"
     ID=$1
     shift
     NARGS=$@