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#๐Ÿค– Computer Science

// 21 entries in this category.

๐Ÿ“— Docs 31๐Ÿค– Computer Science 21๋…ผ๋ฌธ๋ฆฌ๋ทฐ 18๐Ÿ“„ Research Paper 1
๐Ÿค– COMPUTER SCIENCE#openstack ยท #network ยท #troubleshooting

OpenStack ๋„คํŠธ์›Œํฌ ์ตœ์ ํ™”: unattended-upgrades ๋ฌธ์ œ ํ•ด๊ฒฐ๊ณผ netplan์œผ๋กœ์˜ ์ „ํ™˜

unattendedโ€‘upgrades๊ฐ€ ๋„คํŠธ์›Œํฌ ๊ด€๋ จ ํŒจํ‚ค์ง€๋ฅผ ์—…๋ฐ์ดํŠธํ•˜๋ฉด netplan์ด ์ž๋™์œผ๋กœ apply๋˜์–ด rcโ€‘local์—์„œ ๋งŒ๋“  bridge, veth, ๋ผ์šฐํŒ… ์„ค์ •์ด ์ดˆ๊ธฐํ™”๋˜๋Š” ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด rcโ€‘local ๋Œ€์‹  netplan YAML์—์„œ ๋ฌผ๋ฆฌ NIC์™€ bridge, virtualโ€‘ethernets(veth ํŽ˜์–ด)๋ฅผ ์ง์ ‘ ์ •์˜ํ•˜๊ณ , ํ•„์š”ํ•œ ๊ฒฝ์šฐ OVS ์—ฐ๊ฒฐ์€ rcโ€‘local์— ๋‚จ๊ฒจ๋‘๋Š” ๊ตฌ์กฐ๋กœ ์ „ํ™˜ํ•œ๋‹ค. netplan 0.107 ์ด์ƒ์—์„œ virtualโ€‘ethernets๋ฅผ ์ง€์›ํ•˜๋ฏ€๋กœ veth ์–‘์ชฝ์„ ๋ชจ๋‘ ์ •์˜ํ•˜๊ณ  peer๋ฅผ ์ง€์ •ํ•ด์•ผ ํ•˜๋ฉฐ, ์ ์šฉ ์ „

2026-02-12

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๐Ÿค– COMPUTER SCIENCE#haproxy ยท #ceph ยท #networking

HAProxy๋ฅผ ํ™œ์šฉํ•œ Ceph ํด๋Ÿฌ์Šคํ„ฐ์˜ ํ†ตํ•ฉ ๋ฆฌ๋ฒ„์Šค ํ”„๋ก์‹œ ์„ค์ • ๋ฐ Grafana ์—ฐ๋™ ๊ฐ€์ด๋“œ

HAProxy๋ฅผ ์ด์šฉํ•ด Ceph ํด๋Ÿฌ์Šคํ„ฐ์˜ Dashboard, Grafana, RADOS Gateway ๋“ฑ ์—ฌ๋Ÿฌ ์›น ์„œ๋น„์Šค๋ฅผ ๋„๋ฉ”์ธ ๊ธฐ๋ฐ˜ SNI ๋ผ์šฐํŒ…๊ณผ SSL ์ข…๋ฃŒ๋กœ ๋‹จ์ผ ์ง„์ž…์ (443)์—์„œ ์ œ๊ณตํ•˜๊ณ , ๊ฐ ์„œ๋น„์Šค๋ณ„ backend๋ฅผ ๋ผ์šด๋“œ๋กœ๋นˆ ๋กœ๋“œ๋ฐธ๋Ÿฐ์‹ฑ์œผ๋กœ ๊ตฌ์„ฑํ•œ๋‹ค. ๋˜ํ•œ Ceph Dashboard์™€ Grafana ์—ฐ๋™์„ ์œ„ํ•ด Grafana์˜ iframe ํ—ˆ์šฉ ๋ฐ ์ต๋ช… ์ธ์ฆ ์„ค์ •, API URL ๋ฐ ํ”„๋ก ํŠธ์—”๋“œ URL ์ง€์ •, ํ•„์š” ์‹œ SSL ๊ฒ€์ฆ ๋น„ํ™œ์„ฑํ™” ๋“ฑ์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ์„ค์ • ํŒŒ์ผ ๊ฒ€์ฆยทHAProxy ์žฌ์‹œ์ž‘ยท์„œ๋น„์Šค ์ ‘๊ทผ ํ…Œ์ŠคํŠธยทํŠธ๋Ÿฌ๋ธ”์ŠˆํŒ… ์ ˆ์ฐจ๋„ ํฌํ•จํ•œ๋‹ค.

2026-02-12

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๐Ÿค– COMPUTER SCIENCE#docker ยท #install ยท #troubleshooting

Linux์—์„œ OverlayFS๋ฅผ ํ™œ์šฉํ•œ ๊ณ ๊ธ‰ ํŒŒ์ผ ์‹œ์Šคํ…œ ๊ด€๋ฆฌ ๋งˆ์Šคํ„ฐํ•˜๊ธฐ

OverlayFS๋Š” Linux ์ปค๋„์˜ ์œ ๋‹ˆ์˜จ ํŒŒ์ผ ์‹œ์Šคํ…œ์œผ๋กœ, ์—ฌ๋Ÿฌ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ํ†ตํ•ฉ๋œ ๋ทฐ๋กœ ๋งˆ์šดํŠธํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ค๋‹ˆ๋‹ค. ๊ธฐ๋ณธ ์‚ฌ์šฉ๋ฒ•์œผ๋กœ๋Š” ๋””๋ ‰ํ† ๋ฆฌ ๊ตฌ์กฐ ์ƒ์„ฑ, OverlayFS ๋งˆ์šดํŠธ, ํ†ตํ•ฉ ๋ทฐ ํ™•์ธ ๋“ฑ์ด ์žˆ์œผ๋ฉฐ, ์—ฌ๋Ÿฌ lower ๋ ˆ์ด์–ด๋ฅผ ์ง€์›ํ•˜๊ณ  ์ฝ๊ธฐ ์ „์šฉ ๋งˆ์šดํŠธ๋„ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ์„ฑ๋Šฅ ํ…Œ์ŠคํŠธ์™€ unionfs-fuse์™€์˜ ๋น„๊ต๋ฅผ ํ†ตํ•ด OverlayFS์˜ ์žฅ์ ์ด ๊ฐ•์กฐ๋˜๋ฉฐ, ์ปค๋„ ๋ ˆ๋ฒจ ๊ตฌํ˜„์œผ๋กœ ๋น ๋ฅธ ์„ฑ๋Šฅ๊ณผ ์•ˆ์ •์„ฑ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.

2026-01-19

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #Helm ยท #install

์ฟ ๋ฒ„๋„คํ‹ฐ์Šค Helm Chart๋กœ ๋ฐฐ์šฐ๋Š” ํšจ์œจ์ ์ธ ํŒŒ์ผ ์„œ๋ฒ„ ๋ฐฐํฌ ๊ด€๋ฆฌ

Helm Chart๋ฅผ ํ™œ์šฉํ•˜๋ฉด ์ฟ ๋ฒ„๋„คํ‹ฐ์Šค ๋งค๋‹ˆํŽ˜์ŠคํŠธ๋ฅผ ํ…œํ”Œ๋ฆฟํ™”ํ•˜์—ฌ ์žฌ์‚ฌ์šฉ์„ฑ๊ณผ ๋ฒ„์ „ ๊ด€๋ฆฌ๊ฐ€ ์‰ฌ์›Œ์ง€๊ณ , values.yaml๋งŒ ์ˆ˜์ •ํ•ด ๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์— ๋ฐฐํฌํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” simpleโ€‘file-server ์˜ˆ์ œ๋กœ Chart ๊ตฌ์กฐ, ์ฃผ์š” ์„ค์ • ํŒŒ์ผ(values, templates), ํ—ฌํผ ํ•จ์ˆ˜ ํ™œ์šฉ, ์กฐ๊ฑด๋ถ€ ๋ Œ๋”๋งยท๋ฐ˜๋ณต๋ฌธยท๊ฐ’ ์‚ฝ์ž… ๋ฐฉ๋ฒ•์„ ์„ค๋ช…ํ•˜๊ณ , ์‹ค์ œ ๋ฐฐํฌ ๋‹จ๊ณ„(ํ…œํ”Œ๋ฆฟ ๋ฏธ๋ฆฌ๋ณด๊ธฐ, ์„ค์น˜ยท์—…๊ทธ๋ ˆ์ด๋“œ, values ์˜ค๋ฒ„๋ผ์ด๋“œ, ๋ฆด๋ฆฌ์Šค ๊ด€๋ฆฌ)์™€ ํ™•์žฅ ํŒ(๋‹ค์ค‘ ํ™˜๊ฒฝยท๋„๋ฉ”์ธยท๋…ธ๋“œ ์„ ํƒยทTLS)๊นŒ์ง€ ๋‹ค๋ฃฌ๋‹ค.

2025-11-05

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #install ยท #networking

Kubernetes Ingress๋ฅผ ํ™œ์šฉํ•œ ํด๋Ÿฌ์Šคํ„ฐ ์„œ๋น„์Šค ์™ธ๋ถ€ ์ ‘๊ทผ ๊ด€๋ฆฌ์˜ ๋ชจ๋“  ๊ฒƒ

Kubernetes Ingress๋ฅผ ์‚ฌ์šฉํ•ด ClusterIP ์„œ๋น„์Šค ์•ž์— ์™ธ๋ถ€ HTTP(S) ๋ผ์šฐํŒ… ๊ทœ์น™์„ ์„ค์ •ํ•˜๊ณ , ๋‹จ์ผ ๋„๋ฉ”์ธยท๊ฒฝ๋กœ๋กœ ์—ฌ๋Ÿฌ ์„œ๋น„์Šค๋ฅผ ๋…ธ์ถœํ•  ์ˆ˜ ์žˆ๋‹ค. ๋„ค์ž„์ŠคํŽ˜์ด์Šค, ConfigMap, Deployment, Service, Ingress ๋ฆฌ์†Œ์Šค๋ฅผ ์ˆœ์ฐจ์ ์œผ๋กœ ๋ฐฐํฌํ•˜๊ณ , Traefik์ด๋‚˜ NGINX ๋“ฑ Ingress Controller์™€ /etc/hosts ๋งคํ•‘์„ ํ†ตํ•ด ๋กœ์ปฌ ํ…Œ์ŠคํŠธํ•œ๋‹ค. Ingress๋Š” ํŠธ๋ž˜ํ”ฝ ๋ผ์šฐํŒ…, ๋„๋ฉ”์ธ ๋งคํ•‘, ํ™•์žฅ์„ฑ์„ ์ œ๊ณตํ•ด ํšจ์œจ์ ์ธ ์„œ๋น„์Šค ์™ธ๋ถ€ ์ ‘๊ทผ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•œ๋‹ค.

2025-10-29

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๐Ÿค– COMPUTER SCIENCE#openstack ยท #kolla ansible ยท #Automation

OpenStack์—์„œ Neutron ์—์ด์ „ํŠธ ์ž๋™ ์žฌ์‹œ์ž‘์„ ์œ„ํ•œ Kolla Ansible ์Šคํฌ๋ฆฝํŠธ

<summary>Neutron ์—์ด์ „ํŠธ๊ฐ€ ์ฃผ๊ธฐ์ ์œผ๋กœ ๋‹ค์šด๋˜๋Š” ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด Kolla Ansible์„ ์ด์šฉํ•ด 5๋ถ„๋งˆ๋‹ค ์—์ด์ „ํŠธ ์ƒํƒœ๋ฅผ CSV๋กœ ํ™•์ธํ•˜๊ณ , Alive๊ฐ€ False์ด๋ฉด์„œ State๊ฐ€ True์ธ ๊ฒฝ์šฐ SSH๋ฅผ ํ†ตํ•ด ํ•ด๋‹น Docker ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ž๋™ ์žฌ์‹œ์ž‘ํ•˜๋Š” ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค. ์Šคํฌ๋ฆฝํŠธ๋Š” CSV ํŒŒ์‹ฑ, ์ปจํ…Œ์ด๋„ˆ ์ด๋ฆ„ ๋ณ€ํ™˜, ์•ˆ์ •์ ์ธ SSH ์—ฐ๊ฒฐ, ํŠธ๋žฉ์„ ํ†ตํ•œ ์ •์ƒ ์ข…๋ฃŒ ๋“ฑ์„ ํฌํ•จํ•˜๋ฉฐ, ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์‹คํ–‰ ๋ฐ ๋กœ๊ทธ ํ™•์ธ ๋ฐฉ๋ฒ•๋„ ์ œ๊ณตํ•œ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์—์ด์ „ํŠธ ๊ด€๋ฆฌ๊ฐ€ ๊ฐ„ํŽธํ•ด์ง€์ง€๋งŒ, ๊ทผ๋ณธ ์›์ธ ๋ถ„์„๋„ ํ•„์š”ํ•จ์„ ๊ฐ•์กฐํ•œ๋‹ค.</summary>

2025-10-22

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #Monitoring ยท #Automation

Kubernetes DaemonSet์„ ํ™œ์šฉํ•œ ํด๋Ÿฌ์Šคํ„ฐ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ฐ ๋ฉ”ํŠธ๋ฆญ ์ˆ˜์ง‘ ์™„๋ฒฝ ๊ฐ€์ด๋“œ

Kubernetes DaemonSet์€ ํด๋Ÿฌ์Šคํ„ฐ์˜ ๋ชจ๋“  ๋…ธ๋“œ์— ํŒŒ๋“œ ํ•˜๋‚˜์”ฉ ๋ฐฐํฌํ•˜๋Š” ์ปจํŠธ๋กค๋Ÿฌ๋กœ, ๋ชจ๋‹ˆํ„ฐ๋ง ์—์ด์ „ํŠธยท๋กœ๊ทธ ์ˆ˜์ง‘ยท๋„คํŠธ์›Œํฌยท์Šคํ† ๋ฆฌ์ง€ ๋“ฑ ๋…ธ๋“œ๋ณ„ ์ž‘์—…์— ์ ํ•ฉํ•˜๋‹ค. ์˜ˆ์‹œ๋กœ Node Exporter DaemonSet์„ monitoring ๋„ค์ž„์ŠคํŽ˜์ด์Šค์— ๋ฐฐํฌํ•˜๊ณ , Prometheus์™€ Grafana๋ฅผ ์—ฐ๋™ํ•ด ์‹œ์Šคํ…œ ๋ฉ”ํŠธ๋ฆญ์„ ์ˆ˜์ง‘ยท์‹œ๊ฐํ™”ํ•˜๋Š” ์ „์ฒด ํ๋ฆ„์„ ๋‹จ๊ณ„๋ณ„ YAML ํŒŒ์ผ๊ณผ ๋ช…๋ น์–ด๋กœ ์ œ๊ณตํ•œ๋‹ค. ๋˜ํ•œ DaemonSet๊ณผ ReplicaSet์˜ ์ฐจ์ด์ ๊ณผ ๋ฐฐํฌ ์ˆœ์„œ๋ฅผ ์ •๋ฆฌํ•œ๋‹ค.

2025-10-22

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #install ยท #troubleshooting

Kubernetes ๋ณผ๋ฅจ ๊ด€๋ฆฌ: ๋ฐ์ดํ„ฐ ์˜์†์„ฑ๊ณผ ํšจ์œจ์ ์ธ ๊ณต์œ ๋ฅผ ์œ„ํ•œ ์™„๋ฒฝ ๊ฐ€์ด๋“œ

Kubernetes์—์„œ Volume์€ ์ปจํ…Œ์ด๋„ˆ ์žฌ์‹œ์ž‘ ์‹œ ๋ฐ์ดํ„ฐ ๋ณด์กด์„ ๋•๋Š” ์ €์žฅ์†Œ์ด๋ฉฐ, hostPath์™€ PVC๋ฅผ ์กฐํ•ฉํ•ด ๋กœ๊ทธ์™€ ์—…๋กœ๋“œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„๋ฆฌ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค. PV์™€ PVC๋ฅผ ์ •์˜ํ•˜๊ณ  Deployment์— ์—ฐ๊ฒฐํ•˜๋ฉด, replica ์žฌ์‹œ์ž‘ ํ›„์—๋„ PVC ๋•๋ถ„์— ๋ฐ์ดํ„ฐ๊ฐ€ ์œ ์ง€๋œ๋‹ค. ๋˜ํ•œ emptyDir๋Š” ์ž„์‹œ ๊ณต์œ , NFSยทCSI ๋“ฑ์€ ์™ธ๋ถ€ ์Šคํ† ๋ฆฌ์ง€ ์—ฐ๋™์— ์‚ฌ์šฉ๋œ๋‹ค. ConfigMap์œผ๋กœ ๊ฒฝ๋กœ ์„ค์ •์„ ์œ ์ง€ํ•˜๊ณ , nodeSelector๋กœ ํŠน์ • ๋…ธ๋“œ์— ์›Œํฌ๋กœ๋“œ๋ฅผ ๊ณ ์ •ํ•  ์ˆ˜ ์žˆ๋‹ค.

2025-10-15

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #install ยท #troubleshooting

ํšจ์œจ์ ์ธ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„ค์ • ๊ด€๋ฆฌ๋ฅผ ์œ„ํ•œ Kubernetes ConfigMap ํ™œ์šฉ ๊ฐ€์ด๋“œ

Kubernetes ConfigMap์„ ์‚ฌ์šฉํ•˜๋ฉด ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„ค์ •์„ ์ฝ”๋“œ์™€ ๋ถ„๋ฆฌํ•˜์—ฌ ์ด๋ฏธ์ง€ ์žฌ๋นŒ๋“œ ์—†์ด๋„ ์‰ฝ๊ฒŒ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค. ConfigMap์€ ๋ช…๋ น์–ด(

2025-10-15

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #install ยท #troubleshooting

Kubernetes ๋””ํ”Œ๋กœ์ด๋จผํŠธ: ๋กค๋ง ์—…๋ฐ์ดํŠธ์™€ ๋กค๋ฐฑ์œผ๋กœ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ด€๋ฆฌ ๋งˆ์Šคํ„ฐํ•˜๊ธฐ

Kubernetes ๋””ํ”Œ๋กœ์ด๋จผํŠธ๋Š” ๋ ˆํ”Œ๋ฆฌ์นด์…‹์„ ๊ด€๋ฆฌํ•˜๋Š” ์ƒ์œ„ ๊ฐœ๋…์œผ๋กœ, ๋กค๋ง ์—…๋ฐ์ดํŠธ, ๋กค๋ฐฑ, ๋ฐฐํฌ ์ผ์‹œ ์ค‘์ง€ยท์žฌ๊ฐœ, ์Šค์ผ€์ผ๋ง, ๋ธ”๋ฃจโ€‘๊ทธ๋ฆฐยท์นด๋‚˜๋ฆฌ ๋ฐฐํฌ ๋“ฑ ๋‹ค์–‘ํ•œ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•˜์—ฌ ๋‹ค์šดํƒ€์ž„ ์—†์ด ์•ˆ์ „ํ•˜๊ณ  ํšจ์œจ์ ์œผ๋กœ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๋ฐฐํฌยท๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค.

2025-10-02

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #install ยท #troubleshooting

Kubernetes ๋ ˆํ”Œ๋ฆฌ์นด์…‹: ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ์•ˆ์ •์„ฑ๊ณผ ๊ฐ€์šฉ์„ฑ์„ ๋ณด์žฅํ•˜๋Š” ๋ฐฉ๋ฒ•

Kubernetes ๋ ˆํ”Œ๋ฆฌ์นด์…‹์€ ์ง€์ •๋œ ์ˆ˜์˜ ํŒŒ๋“œ๊ฐ€ ํ•ญ์ƒ ์‹คํ–‰๋˜๋„๋ก ๋ณด์žฅํ•˜๋Š” ๋ฆฌ์†Œ์Šค๋กœ, ํŒŒ๋“œ ๋ณต์ œ๋ณธ ๊ด€๋ฆฌ, ์ž๋™ ๋ณต๊ตฌ, ์Šค์ผ€์ผ๋ง, ์„ ์–ธ์  ๊ด€๋ฆฌ ๋“ฑ์˜ ์ฃผ์š” ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•œ๋‹ค. YAML ํŒŒ์ผ์— apiVersion, kind, metadata, spec(๋ณต์ œ๋ณธ ์ˆ˜, selector, template) ๋“ฑ์„ ์ •์˜ํ•˜๊ณ , kubectl ๋ช…๋ น์–ด๋กœ ๋ ˆํ”Œ๋ฆฌ์นด์…‹์„ ์ƒ์„ฑยทํ™•์ธยท์Šค์ผ€์ผยท์‚ญ์ œํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์„œ๋น„์Šค ์ค‘๋‹จ ์œ„ํ—˜์„ ์ค„์ด๊ณ , ์žฅ์•  ์‹œ ์ž๋™ ๋ณต๊ตฌ์™€ ์œ ์—ฐํ•œ ํ™•์žฅ์ด ๊ฐ€๋Šฅํ•ด ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ์•ˆ์ •์„ฑ๊ณผ ๊ฐ€์šฉ์„ฑ์„ ํฌ๊ฒŒ ํ–ฅ์ƒ์‹œํ‚จ๋‹ค.

2025-10-01

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #openstack ยท #Automation

๊ฒฝ๋Ÿ‰ ์ปจํ…Œ์ด๋„ˆ ์˜ค์ผ€์ŠคํŠธ๋ ˆ์ด์…˜์˜ ๋ฏธ๋ž˜: ์ฟ ๋ฒ„๋„คํ‹ฐ์Šค์™€ K3s ์™„๋ฒฝ ์ดํ•ดํ•˜๊ธฐ

์ฟ ๋ฒ„๋„คํ‹ฐ์Šค๋Š” ์ปจํ…Œ์ด๋„ˆ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ๋ฐฐํฌยทํ™•์žฅยท๊ด€๋ฆฌ๋ฅผ ์ž๋™ํ™”ํ•˜๋Š” ์˜คํ”ˆ์†Œ์Šค ํ”Œ๋žซํผ์œผ๋กœ, ์ž๋™ํ™”๋œ ๋ฐฐํฌยท๋กค๋ฐฑ, ์ˆ˜ํ‰์  ํ™•์žฅ, ์„œ๋น„์Šค ํƒ์ƒ‰ยท๋กœ๋“œ๋ฐธ๋Ÿฐ์‹ฑ, ์ž๋™ ๋ณต๊ตฌ, ๊ตฌ์„ฑ ๊ด€๋ฆฌ ๋“ฑ์˜ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•œ๋‹ค. K3s๋Š” ๊ฒฝ๋Ÿ‰ํ™”๋œ ์ฟ ๋ฒ„๋„คํ‹ฐ์Šค ๋ฐฐํฌํŒ์œผ๋กœ ์ž‘์€ ๋ฉ”๋ชจ๋ฆฌ์™€ ๊ฐ„๋‹จํ•œ ์„ค์น˜ ๊ณผ์ •์„ ๊ฐ–์ถ”์–ด EdgeยทIoTยท๊ฐœ๋ฐœ ํ™˜๊ฒฝ์— ์ ํ•ฉํ•˜๋ฉฐ, ์ตœ์†Œ 512โ€ฏMB RAM, Linux OS, 6443ยท10250 ํฌํŠธ ๊ฐœ๋ฐฉ ๋“ฑ ์ตœ์†Œ ์‚ฌ์ „ ์กฐ๊ฑด๋งŒ ๋งŒ์กฑํ•˜๋ฉด ๋œ๋‹ค. ๋‘ ์‹œ์Šคํ…œ ๋ชจ๋‘ ํ™•์žฅ์„ฑ, ๊ณ ๊ฐ€์šฉ์„ฑ, ์ž๋™ํ™”๋œ ๋ฐฐํฌ, ์ž์› ํšจ์œจ์„ฑ, ์„œ๋น„์Šค ๋””์Šค์ปค๋ฒ„๋ฆฌ ๋“ฑ ๋‹ค์–‘ํ•œ ์žฅ์ ์„ ์ œ๊ณตํ•œ๋‹ค.

2025-09-24

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๐Ÿค– COMPUTER SCIENCE#openstack ยท #ssl ยท #certbot

OpenStack ํ™˜๊ฒฝ์—์„œ Cloudflare DNS์™€ certbot์„ ํ™œ์šฉํ•œ SSL ์ธ์ฆ์„œ ์ž๋™ ๋ฐœ๊ธ‰ ๋ฐ ๊ฐฑ์‹  ๋ฐฉ๋ฒ•

OpenStack ํ™˜๊ฒฝ์—์„œ Horizon ๋Œ€์‹œ๋ณด๋“œ์— HTTPS๋ฅผ ์ ์šฉํ•˜๊ธฐ ์œ„ํ•ด certbot๊ณผ Cloudflare DNS ํ”Œ๋Ÿฌ๊ทธ์ธ์„ ์‚ฌ์šฉํ•ด SSL ์ธ์ฆ์„œ๋ฅผ ์ž๋™์œผ๋กœ ๋ฐœ๊ธ‰ํ•˜๊ณ , NFS ๊ณต์œ ์™€ HAProxy์šฉ PEM ํŒŒ์ผ ๋ณ‘ํ•ฉ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ํ†ตํ•ด ๋‘ ์ปจํŠธ๋กค๋Ÿฌ์— ๋™์ผํ•˜๊ฒŒ ์ ์šฉํ•˜๋ฉฐ, Python ์Šคํฌ๋ฆฝํŠธ์™€ cron์„ ์ด์šฉํ•ด 90์ผ ๋งŒ๋ฃŒ ์ฃผ๊ธฐ์˜ ์ž๋™ ๊ฐฑ์‹ ๊นŒ์ง€ ์™„์ „ ์ž๋™ํ™”ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๋‹จ๊ณ„๋ณ„๋กœ ์„ค๋ช…ํ•œ๋‹ค.

2025-06-20

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๐Ÿค– COMPUTER SCIENCE#openstack ยท #network ยท #troubleshooting

OpenStack NIC ์„ค์ • ์ตœ์ ํ™”: ๋ฆฌ๋ˆ…์Šค ๋ธŒ๋ฆฟ์ง€์™€ VETH ํŽ˜์–ด๋ฅผ ํ™œ์šฉํ•œ ํšจ๊ณผ์ ์ธ ๋„คํŠธ์›Œํฌ ๊ตฌ์„ฑ ๋ฐฉ๋ฒ•

OpenStack ํ™˜๊ฒฝ์—์„œ NIC๊ฐ€ OVS์— ํ• ๋‹น๋˜๋ฉด ์™ธ๋ถ€ ์ ‘๊ทผ์ด ์ฐจ๋‹จ๋˜๋Š” ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ๋ฌผ๋ฆฌ NIC๋ฅผ ๋ฆฌ๋ˆ…์Šค ๋ธŒ๋ฆฟ์ง€์— ์—ฐ๊ฒฐํ•˜๊ณ  VETH ํŽ˜์–ด๋ฅผ ์ด์šฉํ•ด OVS์™€ ์—ฐ๊ฒฐํ•œ๋‹ค. ๋ธŒ๋ฆฟ์ง€์— IP์™€ MTU 9000์„ ์„ค์ •ํ•˜๊ณ , ์Šคํฌ๋ฆฝํŠธ์™€ rc.local์„ ํ†ตํ•ด ๋ถ€ํŒ… ์‹œ ์ž๋™ ์ ์šฉํ•˜๋„๋ก ๊ตฌ์„ฑํ•œ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์ œํ•œ๋œ NIC๋กœ๋„ Management, Private Provider, Tenant ๋„คํŠธ์›Œํฌ๋ฅผ ์•ˆ์ •์ ์œผ๋กœ ์šด์˜ํ•  ์ˆ˜ ์žˆ๋‹ค.

2024-11-28

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๐Ÿค– COMPUTER SCIENCE#openstack ยท #LVM ยท #iSCSI

OpenStack Cinder๋กœ LVM๊ณผ iSCSI๋ฅผ ํ™œ์šฉํ•œ ๋ธ”๋ก ์Šคํ† ๋ฆฌ์ง€ ๊ตฌ์ถ• ๊ฐ€์ด๋“œ

OpenStack Cinder์—์„œ LVM๊ณผ iSCSI๋ฅผ ์‚ฌ์šฉํ•ด ๋ธ”๋ก ์Šคํ† ๋ฆฌ์ง€๋ฅผ ๊ตฌ์ถ•ํ•˜๋Š” ์ „์ฒด ๊ณผ์ •์„ ์„ค๋ช…ํ•˜๊ณ , RAIDโ€ฏ5๋กœ ๋””์Šคํฌ 4๊ฐœ๋ฅผ ๊ตฌ์„ฑํ•œ ํ›„ LVM ๋ฌผ๋ฆฌ ๋ณผ๋ฅจ๊ณผ ๋ณผ๋ฅจ ๊ทธ๋ฃน(cinderโ€‘volumes)์„ ์ƒ์„ฑํ•˜๊ณ , lvm.conf ํ•„ํ„ฐ๋ฅผ ์„ค์ •ํ•ด ์ถฉ๋Œ์„ ๋ฐฉ์ง€ํ•œ๋‹ค. cinder.conf์— LVM ๋ฐฑ์—”๋“œ์™€ iSCSI ์˜ต์…˜์„ ์ง€์ •ํ•˜๊ณ , tgt์™€ openโ€‘iscsi ํŒจํ‚ค์ง€๋ฅผ ์„ค์น˜ํ•ด iSCSI ํƒ€๊นƒยท์ด๋‹ˆ์‹œ์—์ดํ„ฐ๋ฅผ ๊ตฌ์„ฑํ•œ๋‹ค. ์„œ๋น„์Šค ์žฌ์‹œ์ž‘ ํ›„ ํ…Œ์ŠคํŠธ ๋ณผ๋ฅจ์„ ์ƒ์„ฑยทํ™•์ธํ•˜๊ณ , ํ”ํžˆ ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜์™€ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•, ๋‹จ์ผ ์žฅ์• ์  ๋ฐ Thin Provisioning ์ฃผ์˜์‚ฌํ•ญ์„ ์•ˆ๋‚ดํ•œ๋‹ค.

2024-11-27

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๐Ÿค– COMPUTER SCIENCE#kubernetes ยท #docker ยท #install

์˜จํ”„๋ ˆ๋ฏธ์Šค GPU ์„œ๋ฒ„์— Kubeflow๋ฅผ ์„ค์น˜ํ•˜์—ฌ ML ์›Œํฌํ”Œ๋กœ๋ฅผ ์ž๋™ํ™”ํ•˜๋Š” ๋ฐฉ๋ฒ•

์˜จํ”„๋ ˆ๋ฏธ์Šค GPU ์„œ๋ฒ„์— Kind ๊ธฐ๋ฐ˜ ์‹ฑ๊ธ€ ๋…ธ๋“œ ํด๋Ÿฌ์Šคํ„ฐ๋ฅผ ๋งŒ๋“ค๊ณ , NVIDIA Container Toolkit๊ณผ kustomize ๋“ฑ์„ ์‚ฌ์ „ ์„ค์น˜ํ•œ ๋’ค, ์ธotify ์ œํ•œ์„ ๋Š˜๋ ค Kubeflow๋ฅผ ์„ค์น˜ํ•˜๊ณ  ์‚ฌ์šฉ์ž ๊ณ„์ •๊ณผ ํ”„๋กœํ•„์„ ์„ค์ •ํ•˜๋Š” ์ „์ฒด ์ ˆ์ฐจ์™€ ์ฃผ์š” ํŠธ๋Ÿฌ๋ธ”์ŠˆํŒ… ํŒ์„ ์•ˆ๋‚ดํ•œ๋‹ค.

2024-11-22

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๐Ÿค– COMPUTER SCIENCE#docker ยท #troubleshooting ยท #alphafold

AlphaFold Docker ์„ค์น˜ ์‹œ JAX์™€ CUDA ํ˜ธํ™˜์„ฑ ๋ฌธ์ œ ํ•ด๊ฒฐํ•˜๊ธฐ

AlphaFold Docker ์„ค์น˜ ์ค‘ JAX์™€ CUDA ํ˜ธํ™˜์„ฑ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•œ ๊ณผ์ •์ด ์„ค๋ช…๋œ๋‹ค. JAX ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ CUDA๋ฅผ ์ธ์‹ํ•˜์ง€ ๋ชปํ•˜๋Š” ๋ฌธ์ œ๋ฅผ ๋ถ„์„ํ•˜๊ณ , nvidia-modprobe ์„ค์น˜, ์‹œ์Šคํ…œ ์žฌ์„ค์น˜, CUDA ๋ฒ„์ „ ๋ณ€๊ฒฝ ๋“ฑ์˜ ๋ฐฉ๋ฒ•์„ ์‹œ๋„ํ•œ ํ›„, ์ตœ์ข…์ ์œผ๋กœ

2024-10-24

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๐Ÿค– COMPUTER SCIENCE#MLOps ยท #ML lifecycle ยท #Automation

MLOps: ๊ธฐ๊ณ„ ํ•™์Šต ๋ผ์ดํ”„์‚ฌ์ดํด ์ž๋™ํ™”๋กœ ์ตœ์ ์˜ ์„ฑ๋Šฅ ๋‹ฌ์„ฑํ•˜๊ธฐ

MLOps๋Š” ๊ธฐ๊ณ„ ํ•™์Šต ๋ชจ๋ธ์˜ ๊ฐœ๋ฐœ, ๋ฐฐํฌ, ์šด์˜์„ ์ž๋™ํ™”ํ•˜์—ฌ ํšจ์œจ์„ฑ์„ ๋†’์ด๊ณ , ๋ฐ์ดํ„ฐ ์‚ฌ์ด์–ธํ‹ฐ์ŠคํŠธ์™€ ML ์—”์ง€๋‹ˆ์–ด ๊ฐ„์˜ ํ˜‘์—…์„ ๊ฐ•ํ™”ํ•˜๋Š” ํŒจ๋Ÿฌ๋‹ค์ž„์ด๋‹ค. ์ฃผ์š” ๋ชฉํ‘œ๋Š” ๋ชจ๋ธ์˜ ํ’ˆ์งˆ๊ณผ ์‹ ๋ขฐ์„ฑ์„ ํ–ฅ์ƒ์‹œํ‚ค๊ณ , CI/CD๋ฅผ ํ†ตํ•ด ์ฝ”๋“œ, ๋ฐ์ดํ„ฐ, ๋ชจ๋ธ์„ ๋ชจ๋‘ ๋ฒ„์ „ ๊ด€๋ฆฌํ•˜๋ฉฐ, H2O AutoML๊ณผ MLflow ๊ฐ™์€ ๋„๊ตฌ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์ „์ฒด ๋ผ์ดํ”„์‚ฌ์ดํด์„ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ์ด๋‹ค. MLOps๋Š” DevOps์˜ ์›์น™์„ ์ ์šฉํ•˜์ง€๋งŒ, ML์˜ ํŠน์ˆ˜์„ฑ์„ ๋ฐ˜์˜ํ•˜์—ฌ ์ง€์†์ ์ธ ๋ชจ๋‹ˆํ„ฐ๋ง๊ณผ ์žฌํ›ˆ๋ จ์ด ํ•„์š”ํ•˜๋‹ค.

2024-10-17

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๐Ÿค– COMPUTER SCIENCE#CI/CD ยท #DevOps ยท #Automation

DevOps: ์†Œํ”„ํŠธ์›จ์–ด ๊ฐœ๋ฐœ๊ณผ ์šด์˜์˜ ์™„๋ฒฝํ•œ ํ†ตํ•ฉ ์ „๋žต์œผ๋กœ ํšจ์œจ์ ์ธ ๋ฐฐํฌ ์‹คํ˜„ํ•˜๊ธฐ

DevOps๋Š” ์†Œํ”„ํŠธ์›จ์–ด ๊ฐœ๋ฐœ๊ณผ IT ์šด์˜์„ ํ†ตํ•ฉํ•˜์—ฌ ํšจ์œจ์ ์ธ ๋ฐฐํฌ๋ฅผ ์‹คํ˜„ํ•˜๋Š” ๋ฐฉ๋ฒ•๋ก ์œผ๋กœ, CALMS ์›์น™(๋ฌธํ™”, ์ž๋™ํ™”, ๋ฆฐ, ์ธก์ •, ๊ณต์œ )์„ ํ†ตํ•ด ํ˜‘์—…๊ณผ ์ž๋™ํ™”๋ฅผ ๊ฐ•์กฐํ•ฉ๋‹ˆ๋‹ค. CI/CD๋ฅผ ํ†ตํ•ด ์ฝ”๋“œ ๋ณ€๊ฒฝ์„ ๋น ๋ฅด๊ณ  ์•ˆ์ „ํ•˜๊ฒŒ ๋ฐฐํฌํ•˜๋ฉฐ, IaC๋ฅผ ํ†ตํ•ด ์ธํ”„๋ผ๋ฅผ ์ฝ”๋“œ๋กœ ๊ด€๋ฆฌํ•˜์—ฌ ์žฌํ˜„ ๊ฐ€๋Šฅ์„ฑ์„ ๋†’์ž…๋‹ˆ๋‹ค. ๋ชจ๋‹ˆํ„ฐ๋ง๊ณผ ์˜ต์ €๋ฒ„๋นŒ๋ฆฌํ‹ฐ๋ฅผ ํ†ตํ•ด ์‹œ์Šคํ…œ ์ƒํƒœ๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ํŒŒ์•…ํ•˜๊ณ , ๋‹ค์–‘ํ•œ ๋„๊ตฌ๋ฅผ ํ™œ์šฉํ•˜์—ฌ DevOps ๋ผ์ดํ”„์‚ฌ์ดํด์„ ์ตœ์ ํ™”ํ•ฉ๋‹ˆ๋‹ค.

2024-10-17

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๐Ÿค– COMPUTER SCIENCE#docker ยท #gpu ยท #deep learning

GPU ํ™˜๊ฒฝ ๊ตฌ์ถ•์„ ์œ„ํ•œ Docker์™€ NVIDIA Container Toolkit ์™„๋ฒฝ ๊ฐ€์ด๋“œ: ํšจ์œจ์ ์ธ ๋ฆฌ์†Œ์Šค ๊ด€๋ฆฌ์™€ ๋”ฅ๋Ÿฌ๋‹ ์ตœ์ ํ™”

Docker๋Š” ๊ฒฝ๋Ÿ‰ ์ปจํ…Œ์ด๋„ˆ ๊ธฐ์ˆ ๋กœ, NVIDIA Container Toolkit์„ ํ†ตํ•ด GPU ์ž์›์„ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค. GPU ๊ฐ€์ƒํ™” ๋ฐฉ์‹์—๋Š” VM ํ™˜๊ฒฝ์—์„œ์˜ Passthrough์™€ vGPU๊ฐ€ ์žˆ์œผ๋ฉฐ, Docker ํ™˜๊ฒฝ์—์„œ๋Š” CUDA ๋“œ๋ผ์ด๋ฒ„๋ฅผ ๋งคํ•‘ํ•˜์—ฌ GPU์— ์ ‘๊ทผํ•œ๋‹ค. ์šด์˜ ํ™˜๊ฒฝ์—์„œ๋Š” CPU, ๋ฉ”๋ชจ๋ฆฌ, GPU, ๋””์Šคํฌ ์ œํ•œ์„ ์„ค์ •ํ•˜์—ฌ ์‹œ์Šคํ…œ ์•ˆ์ •์„ฑ์„ ๋ณด์žฅํ•ด์•ผ ํ•œ๋‹ค.

2024-10-15

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๐Ÿค– COMPUTER SCIENCE#openstack ยท #networking ยท #install

์—ฐ๊ตฌ์‹ค ๋„คํŠธ์›Œํฌ ๋ณดํ˜ธ๋ฅผ ์œ„ํ•œ pfSense ๋ฐฉํ™”๋ฒฝ ๊ตฌ์ถ• ๊ฐ€์ด๋“œ

pfSense๋ฅผ ์ด์šฉํ•œ ์—ฐ๊ตฌ์‹ค ๋„คํŠธ์›Œํฌ ๊ตฌ์ถ• ๊ฐ€์ด๋“œ๋กœ, OpenStack ์‹œ์Šคํ…œ์„ ์•ˆ์ „ํ•˜๊ฒŒ ์šด์˜ํ•˜๊ธฐ ์œ„ํ•œ VPN ์„ค์ •๊ณผ ๋ฐฉํ™”๋ฒฝ ์„ค์น˜ ๊ณผ์ •์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค. pfSense๋Š” ์˜คํ”ˆ์†Œ์Šค ๋ฐฉํ™”๋ฒฝ/๋ผ์šฐํ„ฐ ์†Œํ”„ํŠธ์›จ์–ด๋กœ, ๋ณต์žกํ•œ ๋„คํŠธ์›Œํฌ ์„ค์ • ์—†์ด๋„ ๊ฐ•๋ ฅํ•œ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์„ค์น˜ ํ›„ WAN๊ณผ LAN ์„ค์ •, NAT ๋ฐ ํฌํŠธ ํฌ์›Œ๋”ฉ์„ ํ†ตํ•ด ์™ธ๋ถ€ ์„œ๋น„์Šค ์ ‘๊ทผ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋ฉฐ, DHCP ์„œ๋ฒ„ ์„ค์ •์œผ๋กœ ๋‚ด๋ถ€ ์žฅ์น˜์˜ ์ž๋™ IP ํ• ๋‹น์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ณผ์ •์„ ํ†ตํ•ด ์•ˆ์ •์ ์ด๊ณ  ์•ˆ์ „ํ•œ ์—ฐ๊ตฌ ํ™˜๊ฒฝ์„ ๊ตฌ์ถ•ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

2024-08-09

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