usb-freenet: Set up USB devices for freenet.

hpdisk/boot-timing.txt

@@ -1,2 +1,2 @@
-ssh hpdisk sudo reboot; time wssh hpdisk true = 6m41s
+ssh hpdisk sudo reboot; time wssh hpdisk true = 6m21s
 

hpdisk/usb-freenet

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+format_disk() {
+    DISK="$1"
+    name="$2"
+    wipefs -a "$DISK"
+    end_position=$(sgdisk -E $DISK | tail -1)
+    sgdisk -n2:1M:$(( $end_position - (($end_position + 1) % 2048) ))  -t2:BF01 $DISK
+    sgdisk -c2:"$name" $DISK
+    fdisk -l $DISK
+}
+
+format_disk /dev/sdi freenet1TB
+format_disk /dev/sdj freenet80GB
+format_disk /dev/sdk freenet80GB2
+format_disk /dev/sdm freenet160GB
+
+zpool create -O mountpoint=/freenet freenetpool freenet160GB freenet80GB freenet80GB2 freenet1TB

ubuntu-20.04/etc/rc.local

@@ -1,9 +1,10 @@
 #!/bin/bash
 
 echo 1 > /sys/module/zswap/parameters/enabled
-echo z3fold > /sys/module/zswap/parameters/zpool
+echo zsmalloc > /sys/module/zswap/parameters/zpool
 echo 50 > /sys/module/zswap/parameters/max_pool_percent
-echo lz4 > /sys/module/zswap/parameters/compressor
+echo zstd > /sys/module/zswap/parameters/compressor
+grep -R . /sys/module/zswap/parameters
 grep -R . /sys/kernel/debug/zswap/
 # Do not overcommit memory
 echo 2 > /proc/sys/vm/overcommit_memory

ubuntu-20.04/home/.bashrc

@@ -161,7 +161,7 @@ m2grep() {
 	eval "cat $(printf "|_mgrep \"%s\"" "$@")"
 }
 
-(play -q -n synth sine F2 sine C3 remix - fade 0 4 .1 norm -20 bend 0.5,2477,2 fade 0 4.0 0.5 2>/dev/null &)
+(play -q -n synth sine F2 sine C3 remix - fade 0 4 .1 norm -20 bend 0.5,2477,2 fade 0 4.0 0.5 2>/dev/null &) 2>/dev/null
 
 alias y=idok