Programmer

  ===========사전작업=========== hostnamectl set-hostname k8s-m01 vi /etc/hosts 10.0.2.221 k8s-m01 10.0.2.222 k8s-m02 10.0.2.223 k8s-m03 10.0.2.220 k8s-vip ============커널업데이트================== mkdir -p /etc/yum.repos.d/bak cd /etc/yum.repos.d mv *.repo ./bak curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo find . -name "*.repo" -exec sed -i 's/gpgcheck=1/gpgcheck=0/g' {} \; yum -y update rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm yum --enablerepo=elrepo-kernel install -y kernel-ml grub2-mkconfig -o /boot/grub2/grub.cfg grub2-set-default 0 reboot uname -a ======================소프트웨어 설치 준비========= yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager -y --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo cat <<EOF ...

 yum install ntp firewall-cmd --add-service=ntp --permanent firewall-cmd --reload systemctl start ntpd systemctl enable ntpd

docker search postgres docker pull postgres docker run --name pgsql -d -p 5432:5432 -e POSTGRES_PASSWORD=비밀번호 postgres docker exec -it pgsql bash psql -U postgres CREATE DATABASE first; alter user postgres with password '비밀번호'; l c first ufw allow 5432

  dnf install docker-ce docker-ce-cli containerd.io --nobest