在使用多网卡服务器安装 K3s 时，默认会使用第一张网卡作为节点 IP 地址，如果第一张网卡的网络不通，就会造成非预期的结果。

我们可以在安装时手动指定 –node-ip 参数来指定节点 IP，规避这一问题。

curl -sfL https://get.k3s.io | sh -s - --node-ip=192.168.33.110

curl -sfL https://get.k3s.io | sh -

yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
yum install -y postgresql96
yum install -y postgresql96-server
/usr/pgsql-9.6/bin/postgresql96-setup initdb
systemctl enable postgresql-9.6
systemctl start postgresql-9.6

yum install -y postgresql-server
postgresql-setup initdb

systemctl restart postgresql
systemctl enable postgresql

su - postgres
psql
\list

CREATE DATABASE demodb;
\connect demodb
CREATE TABLE demotable(title char(32));
INSERT INTO demotable (title) VALUES('title');
SELECT * FROM demotable;

\quit

yum install -y yum-utils
yum-config-manager \
  --add-repo \
  https://download.docker.com/linux/centos/docker-ce.repo
yum install -y docker-ce docker-ce-cli containerd.io
systemctl start docker
systemctl enable docker
docker run hello-world

一、编译 openldap 源码

yum install -y wget git libtool libdb-devel libtool-ltdl-devel krb5-devel
wget https://www.openldap.org/software/download/OpenLDAP/openldap-release/openldap-2.4.57.tgz
tar zxvf openldap-2.4.57.tgz
cd openldap-2.4.57
./configure --libdir=/usr/lib64 --enable-modules
make depend
make

yum install -y https://repo.mysql.com/mysql-community-release-el7.rpm
yum install -y mysql-community-server
systemctl enable mysqld
systemctl start mysqld

# 找临时密码
cat /var/log/mysqld.log

mysql -p 输入密码

set global validate_password.policy=0;
set global validate_password.length=1;
alter user 'root'@'localhost' identified by '新密码';

mysql -u root -p

git clone https://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc

docker volume create portainer_data
docker run -d -p 9000:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer