Network tips and tricks: Difference between revisions

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== Netplan gateway configuration ==
== Overview ==
 
Network tips and tricks에 대한 기술 문서입니다.
 
=== Summary ===
 
* 무엇인가? - [[Network Tips and Tricks|Network tips and tricks]]
* 왜 필요한가? - HPC 및 서버 환경에서 필수 개념
* 언제 사용하는가? - 서버 구성, 성능 튜닝, 문제 해결 시
 
== Purpose ==
 
이 문서가 존재하는 이유
 
* Goal: Network tips and tricks에 대한 기술 정보 제공
* Scope: Network tips and tricks의 개념, 사용법, 설정
* Non-goals: 다른 주제로의 확장
 
== Key Concepts ==
 
{| class="wikitable"
! Concept
! Description
! Related
|-
| [[Network Tips and Tricks|Network tips and tricks]]
| HPC/서버 환경에서 중요한 기술 개념
| [[Linux]], [[Server]]
|}
 
== Detailed Explanation ==
 
* [[Network]]
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
Depending on the Netplan version, gateway configuration in Netplan yml need to be updated.
Depending on the Netplan version, gateway configuration in Netplan yml need to be updated.
Before  
Before  
...
...
     gateway : 192.168.1.168
     gateway : 192.168.1.168
To  
To  
...
...
Line 13: Line 43:
         via: 192.168.1.1
         via: 192.168.1.1
</syntaxhighlight>
</syntaxhighlight>
== netplan-ovs-cleanup.service is marked world-inaccessible ==
Although this warning doesn't seem to cause any harm, Canonical said this bug was fixed in the package netplan.io - 1.1.1-1<ref>https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/2072486</ref>
Although this warning doesn't seem to cause any harm, Canonical said this bug was fixed in the package netplan.io - 1.1.1-1<ref>https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/2072486</ref>
== ModuleNotFoundError: No module named 'netifaces' ==
<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
#if you have pip installed  
#if you have pip installed  
pip install netifaces
pip install netifaces
#on Ubuntu
#on Ubuntu
sudo apt install python3-netifaces
sudo apt install python3-netifaces
</syntaxhighlight>
</syntaxhighlight>
<references />
== Best Practices ==
* 최신 버전 사용 권장
* 공식 문서 참고
* 테스트 환경에서 먼저 검증


== References ==
== References ==
<references />
 
* [https://wiki.hpcmate.com Network tips and tricks]
 
== Related Pages ==
 
* [[Linux]]
* [[Server]]
* [[Hardware]]
* [[Network]]
 
[[Category:Network]]
== Knowledge Graph ==
 
Related
 
→ [[Network performance test]]
→ [[RDMA]]
→ [[NIC Bonding]]
→ [[Network]]
→ [[IPMI]]
→ [[SDN]]
→ [[NFS]]
 
[[Category:Configuration]]

Latest revision as of 13:25, 2 October 2026

Overview

Network tips and tricks에 대한 기술 문서입니다.

Summary

  • 무엇인가? - Network tips and tricks
  • 왜 필요한가? - HPC 및 서버 환경에서 필수 개념
  • 언제 사용하는가? - 서버 구성, 성능 튜닝, 문제 해결 시

Purpose

이 문서가 존재하는 이유

  • Goal: Network tips and tricks에 대한 기술 정보 제공
  • Scope: Network tips and tricks의 개념, 사용법, 설정
  • Non-goals: 다른 주제로의 확장

Key Concepts

Concept Description Related
Network tips and tricks HPC/서버 환경에서 중요한 기술 개념 Linux, Server

Detailed Explanation

Depending on the Netplan version, gateway configuration in Netplan yml need to be updated.
Before 
...
    gateway : 192.168.1.168
To 
...
    routes:
      - to: default
        via: 192.168.1.1

Although this warning doesn't seem to cause any harm, Canonical said this bug was fixed in the package netplan.io - 1.1.1-1[1]

#if you have pip installed 
pip install netifaces
#on Ubuntu
sudo apt install python3-netifaces

Best Practices

  • 최신 버전 사용 권장
  • 공식 문서 참고
  • 테스트 환경에서 먼저 검증

References

Related Pages

Knowledge Graph

Related

→ Network performance test → RDMA → NIC Bonding → Network → IPMI → SDN → NFS