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--- proc:bare_metal_server_provisioning [2026/07/21 14:54] – phil
+++ proc:bare_metal_server_provisioning [2026/07/23 15:10] (current) – [18. (EXTRA) hugepage & swap configuration] phil
@@ Line 181: / Line 181: @@
 # Hostname
 $ echo "schwartz" > /etc/hostname
-$ cat > /etc/hosts <<EOF
+$ sed -i "2i 127.0.1.1\tschwartz" /etc/hosts
-.0.0.1   localhost
-.0.1.1   schwartz
-::1         localhost ip6-localhost ip6-loopback
-ff02::1     ip6-allnodes
-ff02::2     ip6-allrouters
-EOF
 # Locales / timezone
 $ apt update && apt install -y locales
@@ Line 345: / Line 338: @@
 $ apt install -y dropbear-initramfs busybox
-# Config dropbear : port 2222 and force cryptroot-unlock command
+# Config dropbear : port 4222 and force cryptroot-unlock command
 $ cat > /etc/dropbear/initramfs/dropbear.conf <<'EOF'
-DROPBEAR_OPTIONS="-p 2222 -s -j -k -I 60 -c cryptroot-unlock"
+DROPBEAR_OPTIONS="-p 4222 -s -j -k -I 60 -c cryptroot-unlock"
 EOF
@@ Line 395: / Line 388: @@
 <code bash>
 # Wait dropbear to be up
-nc -zv xx.xx.xx.xx 2222
+nc -zv xx.xx.xx.xx 4222
 # remote unlocking oneliner:
-pass show luks/schwartz | tr -d '\n' | ssh -p 2222 root@xx.xx.xx.xx cryptroot-unlock
+pass show luks/schwartz | tr -d '\n' | ssh -p 4222 root@xx.xx.xx.xx cryptroot-unlock
 </code>
 After few seconds, normal SSD become available.
+==== 18. (EXTRA) hugepage & swap & LVM thin configuration ====
+<code bash>
+sudo lvcreate -L 4G -n swap vg0
+sudo mkswap /dev/vg0/swap
+sudo swapon /dev/vg0/swap
+echo "/dev/vg0/swap none swap sw 0 0" | sudo tee -a /etc/fstab
+</code>
+If you want to configure hugepage for a qemu hypervisor:
+<code bash>
+sudo tee /etc/sysctl.d/10-hugepages.conf > /dev/null <<'EOF'
+vm.nr_hugepages = 13312 # EXAMPLE FOR 26GB/32GB
+EOF
+</code>
+LVM Thin initialization to store VM storage
+<code bash>
+sudo lvcreate --type thin-pool -L 250G -n thin vg0
+</code>