Make dockerfiles a bit more consistent

... and add Mint 19 and CentOS 6. The latter currently fails in
ctng's configure due to an old libtool; need to make libtool
optional.

Signed-off-by: Alexey Neyman <stilor@att.net>

1 files changed, 0 insertions, 17 deletions

diff --git a/testing/docker/common-scripts/su-as-user b/testing/docker/common-scripts/su-as-user
deleted file mode 100755
index 436eb54..0000000
--- a/testing/docker/common-scripts/su-as-user
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-usr=$1
-uid=$2
-grp=$3
-gid=$4
-shift 4
-
-groupadd -g ${gid} ${grp}
-useradd -d /home/${usr} -m -g ${gid} -u ${uid} ${usr}
-rm -f /home/${usr}/src
-ln -sf /src /home/${usr}/src
-if [ -z "$*" ]; then
-    exec su -l ${usr}
-else
-    exec su -l -c "/bin/bash -c '$*'" ${usr}
-fi