diff --git a/etc/ci/describe-system-config.sh b/etc/ci/describe-system-config.sh
index dbcba70e782..e317c11d810 100755
--- a/etc/ci/describe-system-config.sh
+++ b/etc/ci/describe-system-config.sh
@@ -1,20 +1,20 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
-cd -- "$( dirname -- "${BASH_SOURCE[0]}" )"
+cd -- "$( dirname -- "$0" )"
 cd ../..
 
-function run() {
+run() {
     "${SHELL}" -c "$@" || true
 }
 
 if [ ! -z "$CI" ]; then
-    function group() {
+    group() {
         echo "::group::$@"
         run "$@"
         echo "::endgroup::"
     }
 else
-    function group() { run "$@"; }
+    group() { run "$@"; }
 fi
 
 group lscpu
@@ -22,6 +22,11 @@ group uname -a
 group lsb_release -a
 group ulimit -aH
 group ulimit -aS
+group "cat /etc/os-release"
+group "cat /proc/cpuinfo"
+group "cat /proc/meminfo"
+group "apk info"
+group "dpkg -l"
 group ghc --version
 group gcc --version
 group ocamlc -config
@@ -30,3 +35,4 @@ group coqc --version
 group "true | coqtop"
 group etc/machine.sh
 group "echo PATH=$PATH"
+group "echo SHELL=$SHELL"