Squashed initial commit

.old/set-subuid-subgid

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+users=$(for s in /home/*; do echo "${s##*/}"; done)
+subuid_start=100000
+incr=65536
+for user in ${users[@]}; do
+    uid=$(id -u "$user")
+    echo "$user:$subuid_start:$incr" >> /etc/subuid
+    echo "$user:$subuid_start:$incr" >> /etc/subgid
+    subuid_start=$((subuid_start + 100000))
+done