sd /etc/cron.d/myupgrade <<'EOF'
# Setup reboots when running outdated stuff, unattended upgrades happen
# at 6 am + rand(60 min).
-20 7 * * * root /usr/local/bin/myupgrade | /usr/local/bin/log-once -1 myupgrade
-0 * * * * root /usr/local/bin/mycheckrestart | /usr/local/bin/log-once -1 mycheckrestart
+
+# default is /bin/sh
+SHELL=/bin/bash
+# default is /usr/bin:/bin
+PATH=/usr/bin:/bin:/usr/local/bin
+20 7 * * * iank myupgrade |& log-once -1 myupgrade
+0 * * * * root mycheckrestart |& log-once -1 mycheckrestart
EOF
##### end automatic upgrades ####