| 第31行： | 第31行： | ||
# /dev/vdb /var xfs defaults 0 0 | # /dev/vdb /var xfs defaults 0 0 | ||
</syntaxhighlight> | </syntaxhighlight> | ||
== System configuration == | |||
Enable ipv4 forward:<ref>https://kubernetes.io/docs/setup/production-environment/container-runtimes/#forwarding-ipv4-and-letting-iptables-see-bridged-traffic</ref> | |||
<syntaxhighlight lang="bash"> | |||
# sysctl params required by setup, params persist across reboots | |||
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf | |||
net.ipv4.ip_forward = 1 | |||
EOF | |||
# Apply sysctl params without reboot | |||
sudo sysctl --system | |||
</syntaxhighlight> | |||
Verify: | |||
<syntaxhighlight lang="bash"> | |||
$ sysctl net.ipv4.ip_forward | |||
net.ipv4.ip_forward = 1 | |||
</syntaxhighlight> | |||
== Disable swap == | |||
<syntaxhighlight lang="bash"> | |||
# check if swap is disabled | |||
swapon -s | |||
</syntaxhighlight> | |||
= Install Kubernetes = | |||
[[Category:Linux/Unix]] | [[Category:Linux/Unix]] | ||
[[Category:Kubernetes]] | [[Category:Kubernetes]] | ||
2025年4月27日 (日) 14:05的版本
System preparation
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=24.04
DISTRIB_CODENAME=noble
DISTRIB_DESCRIPTION="Ubuntu 24.04.2 LTS"
Updrage
sudo apt update
sudo apt upgrade
do-release-upgrade
(Optional) Mount data disk
mkfs.xfs /dev/vdb
lsof /var
mv /var/ /var0
mkdir /mnt/newvar/
mount /dev/vdb /mnt/newvar/
rsync -aqxP /var0/* /mnt/newvar/
umount /mnt/newvar
mkdir /var
mount /dev/vdb /var
vim /etc/fstab
# /dev/vdb /var xfs defaults 0 0
System configuration
Enable ipv4 forward:[1]
# sysctl params required by setup, params persist across reboots
cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
net.ipv4.ip_forward = 1
EOF
# Apply sysctl params without reboot
sudo sysctl --system
Verify:
$ sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1
Disable swap
# check if swap is disabled
swapon -s