安装EPEL仓库(安装数据库有些包依赖EPEL仓库)

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$ yum install epel-release

安装PostgreSQL仓库

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$ yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm

安装PostgreSQL 11

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$ yum install postgresql11-server

初始化数据库

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$ /usr/pgsql-11/bin/postgresql-11-setup initdb

修改配置文件允许远程连接

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$ vi /var/lib/pgsql/11/data/postgresql.conf
  listen_addresses = '*'

$ vi /var/lib/pgsql/11/data/pg_hba.conf
  host    all             all             0.0.0.0/0               trust

启动PostgreSQL服务

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$ systemctl enable postgresql-11
$ systemctl start postgresql-11
$ systemctl status postgresql-11

修改数据库账户postgres默认密码

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$ su - postgres
$ psql
$ alter user postgres password '123456'

安装TimeScaleDB插件

安装TimeScaleDB

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$ tee /etc/yum.repos.d/timescale_timescaledb.repo <<EOL
[timescale_timescaledb]
name=timescale_timescaledb
baseurl=https://packagecloud.io/timescale/timescaledb/el/7/\$basearch
repo_gpgcheck=1
gpgcheck=0
enabled=1
gpgkey=https://packagecloud.io/timescale/timescaledb/gpgkey
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
EOL

$ yum install timescaledb-postgresql-11
$ timescaledb-tune --pg-config=/usr/pgsql-11/bin/pg_config
$ systemctl restart postgresql-11