Limetime's TimeLine
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[Openstack] Chrony(NTP) 관련 명령어
System 2025. 2. 10. 00:25

- chrony에 등록된 서버 목록chronyc sources MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^- prod-ntp-3.ntp4.ps5.cano> 2 10 377 560 +11ms[ +11ms] +/- 125ms ^- prod-ntp-5.ntp1.ps5.cano> 2 9 377 163 +11ms[ +11ms] +/- 128ms ^- alphyn.canonical.com 2 10 3..

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[Openstack] NetworkManager
System 2025. 2. 10. 00:24

GUI에서 기본적으로 NetworkManager가 구동 되는데, Netplan설정보다 앞서기 때문에 항상 충돌하는 문제가 발생한다. 때문에 NetworkManager를 쓰지 않는 것이 더 낫다.- NetworkManager 내리기sudo /etc/init.d/network-manager stopsudo update-rc.d -f NetworkManager remove

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[Openstack] keystoneauth1.exceptions.discovery.DiscoveryFailure
System 2025. 2. 10. 00:11

2024.03.21. ubuntu-22.04 Bobcat에서 발생2024.03.28. ubuntu-20.04 Yoga에서 발생 에러 로그keystoneauth1.exceptions.discovery.DiscoveryFailure: Could not find versioned identity endpoints when attempting to authenticate. Please check that your auth_url is correct. Unable to establish connection to https://controller/identity: HTTPSConnectionPool(host='controller', port=443): Max retries exceeded with url: /ide..

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[Openstack] ERROR django.request Internal Server Error: /horizon/auth/login/
System 2025. 2. 10. 00:10

2024.03.21. ubuntu-22.04 Bobcat에서 발생 에러 로그- tail -f /var/log/apache2/error.log[Thu Mar 21 23:03:27.623376 2024] [wsgi:error] [pid 136623:tid 136787092559424] [remote 10.0.0.11:59556] INFO openstack_auth.plugin.base Attempted scope to domain default failed, will attempt to scope to another domain.[Thu Mar 21 23:03:27.762288 2024] [wsgi:error] [pid 136623:tid 136787092559424] [remote 10.0.0.11:595..

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[Openstack] Invalid credentials
System 2025. 2. 10. 00:07

2024.03.21. ubuntu-22.04 Bobcat에서 발생 에러 로그Invalid credentials 해결책- 포트까지 붙이기.vi /etc/openstack-dashboard/local_settings.pyhttp://%s:5000/identity/v3:5000

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[Openstack] [‘Bad Request (400)’] ERROR django.security.DisallowedHost Invalid HTTP_HOST header: 'controller'. You may need to add 'controller' to ALLOWED_HOSTS.[Thu Mar 21 22:17:10.690262 2024] [wsgi:error] [pid 128682:tid 136824806757952] [remote 10.0.
System 2025. 2. 10. 00:04

2024.03.21. ubuntu-22.04 Bobcat에서 발생 에러 로그ERROR django.security.DisallowedHost Invalid HTTP_HOST header: 'controller'. You may need to add 'controller' to ALLOWED_HOSTS.[Thu Mar 21 22:17:10.690262 2024] [wsgi:error] [pid 128682:tid 136824806757952] [remote 10.0.0.11:36322] WARNING django.request Bad Request: /horizon/ 해결책vi /etc/openstack-dashboard/local_settings.pyALLOWED_HOSTS = ['*']

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[Openstack] Build of instance did not finish being created even after we waited 185 seconds or 61 attempts. And its status is downloading.
System 2025. 2. 10. 00:00

2024.04.12. ubuntu-20.04 Yoga에서 발생2024.07.03. ubuntu-22.04 Caracal에서 발생 에러 로그 정황1. Horizon을 통해 인스턴스 생성 도중 발생2. 이미지가 큰 인스턴스를 생성하는 도중 볼륨 생성 시간이 오래 걸려 발생한 것으로 추정 해결책- nova-compute가 있는 노드에서 설정vi /etc/nova/nova.conf block_device_allocate_retries = 1800 vi /etc/nova/nova.conf block_device_allocate_retries = 1800service nova-compute restart- 볼륨 생성 시간 or 시도 횟수 설정하면 해결된다. 인스턴스(VM) 생성 실패-1VolumeNotCreated..

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[Cloud] Openstack - 4. Horizon Dashboard Console 개선
Project 2025. 2. 9. 22:47

1. [Cloud] Openstack - Caracal 구축 개요2. [Cloud] Openstack - 1-1. Controller Node (Preprocess, Environment, Keystone, Glance)3. [Cloud] Openstack - 1-2. Controller Node (Placement, Nova, Neutron)4. [Cloud] Openstack - 1-3. Controller Node (Cinder, Swift)5. [Cloud] Openstack - 1-4. Controller Node (Horizon)6. [Cloud] Openstack - 2. Compute Node7. [Cloud] Openstack - 3. Block Node8. [Cloud] Openstac..

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