Added install.sh

install.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Define basic tools to install
+TOOLS="vim net-tools dnsutils ethtool git curl unzip screen iftop lshw smartmontools lsscsi sysstat zfs-auto-snapshot"
+
+# Define zfs-auto-snapshot retention policy
+SNAP_FREQUENT=8
+SNAP_HOURLY=48
+SNAP_DAILY=31
+SNAP_WEEKLY=8
+SNAP_MONTHLY=3
+
+# Define zfs arcsize in Megabytes (MB)
+ZFS_ARC_MIN=128
+ZFS_ARC_MAX=256
+
+# remove pve-enterprise repo and add pve-no-subscription repo
+rm -f /etc/apt/sources.list.d/pve-enterprise.list
+echo "deb http://download.proxmox.com/debian/pve buster pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list
+apt update
+
+# update system and install basic tools
+DEBIAN_FRONTEND=nonintercative DEBIAN_PRIORITY=critical apt -y -qq dist-upgrade
+DEBIAN_FRONTEND=nonintercative DEBIAN_PRIORITY=critical apt -y -qq install $TOOLS
+
+# configure zfs-auto-snapshot
+sed -i 's/keep=4/keep=$SNAP_FREQUENT/g' /etc/cron.d/zfs-auto-snapshot
+sed -i 's/keep=24/keep=$SNAP_HOURLY/g' /etc/cron.hourly/zfs-auto-snapshot
+sed -i 's/keep=31/keep=$SNAP_DAILY/g' /etc/cron.hourly/zfs-auto-snapshot
+sed -i 's/keep=8/keep=$SNAP_WEEKLY/g' /etc/cron.weekly/zfs-auto-snapshot
+sed -i 's/keep=8/keep=$SNAP_MONTHLY/g' /etc/cron.monthly/zfs-auto-snapshot
+
+# set zfs_arc_limits
+ZFS_ARC_MIN_BYTES=$(($ZFS_ARC_MIN+1024*1024))
+ZFS_ARC_MAX_BYTES=$(($ZFS_ARC_MAX+1024*1024))
+
+echo $ZFS_ARC_MIN_BYTES > /sys/module/zfs/parameters/zfs_arc_min
+echo $ZFS_ARC_MAX_BYTES > /sys/module/zfs/parameters/zfs_arc_max
+
+cat << EOF > /etc/modprobe.d/zfs.conf
+options zfs zfs_arc_min=$ZFS_ARC_MIN_BYTES
+options zfs zfs_arc_min=$ZFS_ARC_MAX_BYTES
+EOF
+update-initramfs -u -k all
+