Disable MeltDown
vi /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet nopti noibrs noibpb nospec nospectre_v2 nospec_store_bypass_disable"
Noatime for FS
vi /etc/fstab /dev/pve/root / xfs noatime,defaults 0 1
Update the APT source repo for “No Subscription” repo
vi /etc/apt/sources.list.d/pve-enterprise.list
#deb https://enterprise.proxmox.com/debian/pve stretch pve-enterprise
deb http://download.proxmox.com/debian/pve stretch pve-no-subscription
Adjust Swappness
vi /etc/sysctl.conf vm.swappiness = 10 fs.inotify.max_user_watches = 524288 vm.dirty_background_ratio = 5 vm.dirty_ratio = 10
Disable Lid switch to Sleep Mode
nano /etc/systemd/logind.conf HandleLidSwitch=ignore systemctl restart systemd-logind
Use a Desktop Manager to switch off monitor automatically
# install XFCE4 apt install xfce4 xfce4-power-manager # Config Auto Logon for "Root" (Definitely it is not a good practices, but don't care nano /etc/pam.d/lightdm-autologin # Comment out #auth required pam_succeed_if.so user != root quiet_success nano /etc/lightdm/lightdm.conf autologin-user=root autologin-user-timeout=0 autologin-session=lightdm-xsession # Add New Group for autologin groupadd -r autologin gpasswd -a root autologin # Config Power Management to switch off Monitor in 2 mins
Enable Jumbo frame
nano /etc/network/interfaces iface enp4s0 inet manual mtu 9000 auto vmbr0 iface vmbr0 inet static address 192.168.1.210 netmask 255.255.255.0 gateway 192.168.1.1 bridge_ports enp4s0 bridge_stp off bridge_fd 0 mtu 9000
Change TCP/IP Congestion Control algo
modprobe tcp_bbr echo "tcp_bbr" >> /etc/modules-load.d/modules.conf echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf #Save the settings sysctl -p #Check the settings sysctl net.ipv4.tcp_available_congestion_control sysctl net.ipv4.tcp_congestion_control</code> <pre> Provision LVM Thinpool <pre class="prettyprint"> pvcreate /dev/sdb vgcreate xxxxx lvcreate -v -L 465G -T hdd/hdd
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# pvecm expected 1
# service pve-cluster restart