add ubuntu 22.04 container

runon.conf

@@ -98,3 +98,13 @@ pkginstall = RUN apt-get -y install {}
 packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3.0 bash-completion tcl environment-modules
 
 
+[ubuntu22.04]
+dockerfile =
+    FROM ubuntu:22.04
+    ARG DEBIAN_FRONTEND=noninteractive
+    RUN apt-get update
+    RUN apt-get -y install apt-utils
+    RUN apt-get -y install sudo
+pkginstall = RUN apt-get -y install {}
+packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3.0 bash-completion tcl environment-modules
+