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1. docker 설치 - Redhat 8 - 테스트 목적상 docker ce 버전 설치 Docker Enterprise Edition (Docker EE) is designed for enterprise development and IT teams who build, ship, and run business-critical applications in production and at scale. Docker EE is integrated, certified, and supported to provide enterprises with the most secure container platform in the industry. # dnf config-manager --add-repo=https://down..

1. Unique MAC 및 Product UUID 확인 - 각 서버들의 MAC과 UUID가 Unique해야 함 # ip link or # ifconfig -a # sudo cat /sys/class/dmi/id/product_uuid 2. Swap 해제 # sudo swapoff -a # vi /etc/fstab // swap 부분을 삭제하거나 swap > none으로 변경 #UUID=a43e5836-d773-4ce9-81b7-c20003b6f506 swap swap defaults 0 0 UUID=a43e5836-d773-4ce9-81b7-c20003b6f506 none swap defaults 0 0 - none으로 변경 시 아래 같은 경고 발생 [WARNING Swap]: swap is enabl..

1. 인터넷 연결이 불가능한 Darksite 환경을 위한 Local yum repository 구성 - # mkdir -p /rhel86media # mount /dev/cdrom /mnt # cd /mnt/BaseOS/Packages/ # yum install tar-1.*.rpm # cd /mnt # tar cvf - . | (cd /rhel86media/; tar xvf - ) # cd /etc/yum.repos.d/ # vi RedhatOS-Media.repo [InstallMedia-BaseOS] name=Redhat84 - BaseOS metadata_expire=1 gpgcheck=1 enabled=1 baseurl=file:///rhel84media/BaseOS/ gpgkey=file://..