Add files via upload

root/etc/systemd/system/user-startup-sh.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=starts up user placed scripts in /etc/user_startup_scripts.d/
+
+[Service]
+Type=oneshot
+ExecStart=/etc/user_startup_scripts.d/user_startup_scripts
+
+[Install]
+WantedBy=multi-user.target
+

root/etc/user_startup_scripts.d/README

@@ -0,0 +1 @@
+Place .sh here to be run at startup

root/etc/user_startup_scripts.d/hdd_sleep.sh

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+#!/bin/bash
+hdparm -S 60 /dev/sdb
+hdparm -S 60 /dev/sdc
+

root/etc/user_startup_scripts.d/user_startup_scripts

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+for f in /etc/user_startup_scripts.d/*.sh; do
+  "$f" 
+done

root/etc/user_startup_scripts.d/zram.sh

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+#!/bin/bash
+echo 0 > /sys/module/zswap/parameters/enabled
+modprobe zram num_devices=2
+echo lz4hc > /sys/block/zram0/comp_algorithm
+echo zstd > /sys/block/zram1/comp_algorithm
+echo 2G > /sys/block/zram0/disksize
+echo 10G > /sys/block/zram1/disksize
+mkswap /dev/zram0
+mkswap /dev/zram1
+swapon /dev/zram0 -p 32767
+swapon /dev/zram1 -p 32766