DevOps

Small. Simple. Secure.

Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox.

Alpine Linux 是一个基于 musl libc 和 busybox, 面向安全, 轻量级的 Linux 发布版.

每月节省 30¥ 阿里云全站 CDN 流量费用。

组建 NAS 需要考虑的因素和建议。

当使用 ORDER BY+LIMIT 时 PostgreSQL 可能会选择更差的执行方式，数据量大时，执行效率相差成百上千倍。

K0S vs K3S

vs.	k0s	k3s
since	2020-06	2019-03
by	Mirants	Rancher/SUSE
Governance	Mirants	CNCF
Github	k0sproject/k0s	k3s-io/k3s
Stars
Issues
CNI	kube-router,calico	flannel
CRI	containerd	containerd
CSI	OpenEBS	local-path-provisioner
Windows	✅ - calico	❌
Arch	amd64,arm,arm64	amd64,arm,arm64
LoadBalancer	n/a	klipper-lb
Ingress	n/a	traefik
Controller-Worker	konnectivity	remotedialer - WebSocket 反向代理
文档	⭐️⭐️	⭐️⭐️
成熟	⭐️⭐️	⭐️⭐️⭐️
国内环境友好	⭐️	⭐️⭐️⭐️
Pod CIDR	10.244.0.0/16	10.42.0.0/16
Service CIDR	10.96.0.0/12	10.43.0.0/16
CoreDNS	10.96.0.10	10.43.0.10
configuration	/etc/k0s/k0s.yaml	/etc/rancher/k3s/config.yaml
registry	/etc/k0s/k0s.yaml	/etc/rancher/k3s/registry.yaml
data-dir	/var/lib/k0s	/var/lib/rancher/k3s
bin-dir	/var/lib/k0s/bin	/var/lib/rancher/k3s/data/current
kubeconfig	/var/lib/k0s/pki/admin.conf	/etc/rancher/k3s/k3s.yaml
manifest	/var/lib/k0s/manifests	/var/lib/rancher/k3s/server/manifests
local storage	/var/openebs/local	/var/lib/rancher/k3s/storage/
服务运行方式	supervisor - 独立多进程	embeded - 单进程
containerd	bundled	系统/bundled