# Update system packages
apt update && apt -y upgrade && apt -y autoremove && pveupgrade && pveam update
# Install useful utilities
apt install -y curl libguestfs-tools unzip iptables-persistent net-tools
# Remove subscription notice
sed -Ezi.bak "s/(Ext.Msg.show\(\{\s+title: gettext\('No valid sub)/void\(\{ \/\/\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service
Optimize ZFS Memory Usage
# Configure ZFS memory limits
echo "nf_conntrack" >> /etc/modules
echo "net.netfilter.nf_conntrack_max=1048576" >> /etc/sysctl.d/99-proxmox.conf
echo "net.netfilter.nf_conntrack_tcp_timeout_established=28800" >> /etc/sysctl.d/99-proxmox.conf
rm -f /etc/modprobe.d/zfs.conf
echo "options zfs zfs_arc_min=$[6 * 1024*1024*1024]" >> /etc/modprobe.d/99-zfs.conf
echo "options zfs zfs_arc_max=$[12 * 1024*1024*1024]" >> /etc/modprobe.d/99-zfs.conf
update-initramfs -uhttps://community-scripts.github.io/ProxmoxVE/scripts?id=post-pve-install
