tail -5 /etc/passwd 現在の
[root@ik1-331-25935 sato]# tail -5 /etc/passwd
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
chrony:x:995:993::/var/lib/chrony:/sbin/nologin
tcpdump:x:72:72::/:/sbin/nologin
sato:x:1000:1000::/home/sato:/bin/bash
yum -y install postgresql-server
[root@ik1-331-25935 sato]# yum -y install postgresql-server
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: ftp.iij.ad.jp
* epel: mirror.dmmlabs.jp
* extras: ftp.iij.ad.jp
* updates: ftp.iij.ad.jp
Resolving Dependencies
--> Running transaction check
---> Package postgresql-server.x86_64 0:9.2.23-3.el7_4 will be installed
--> Processing Dependency: postgresql-libs(x86-64) = 9.2.23-3.el7_4 for package: postgresql-server-9.2.23-3.el7_4.x86_64
--> Processing Dependency: postgresql(x86-64) = 9.2.23-3.el7_4 for package: postgresql-server-9.2.23-3.el7_4.x86_64
--> Processing Dependency: libpq.so.5()(64bit) for package: postgresql-server-9.2.23-3.el7_4.x86_64
--> Running transaction check
---> Package postgresql.x86_64 0:9.2.23-3.el7_4 will be installed
---> Package postgresql-libs.x86_64 0:9.2.23-3.el7_4 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
postgresql-server x86_64 9.2.23-3.el7_4 updates 3.8 M
Installing for dependencies:
postgresql x86_64 9.2.23-3.el7_4 updates 3.0 M
postgresql-libs x86_64 9.2.23-3.el7_4 updates 234 k
Transaction Summary
================================================================================
Install 1 Package (+2 Dependent packages)
Total download size: 7.0 M
Installed size: 33 M
Downloading packages:
(1/3): postgresql-libs-9.2.23-3.el7_4.x86_64.rpm | 234 kB 00:01
(2/3): postgresql-9.2.23-3.el7_4.x86_64.rpm | 3.0 MB 00:02
(3/3): postgresql-server-9.2.23-3.el7_4.x86_64.rpm | 3.8 MB 00:01
--------------------------------------------------------------------------------
Total 2.2 MB/s | 7.0 MB 00:03
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : postgresql-libs-9.2.23-3.el7_4.x86_64 1/3
Installing : postgresql-9.2.23-3.el7_4.x86_64 2/3
Installing : postgresql-server-9.2.23-3.el7_4.x86_64 3/3
Verifying : postgresql-9.2.23-3.el7_4.x86_64 1/3
Verifying : postgresql-server-9.2.23-3.el7_4.x86_64 2/3
Verifying : postgresql-libs-9.2.23-3.el7_4.x86_64 3/3
Installed:
postgresql-server.x86_64 0:9.2.23-3.el7_4
Dependency Installed:
postgresql.x86_64 0:9.2.23-3.el7_4 postgresql-libs.x86_64 0:9.2.23-3.el7_4
Complete!
[root@ik1-331-25935 sato]# tail -5 /etc/passwd
ntp:x:38:38::/etc/ntp:/sbin/nologin
chrony:x:995:993::/var/lib/chrony:/sbin/nologin
tcpdump:x:72:72::/:/sbin/nologin
sato:x:1000:1000::/home/sato:/bin/bash
postgres:x:26:26:PostgreSQL Server:/var/lib/pgsql:/bin/bash
[root@ik1-331-25935 sato]# su postgres
bash-4.2$
bash-4.2$ whoami
postgres
bash-4.2$ cd /var/lib/pgsql/data/
postgresql-setup initdb 初期化する
bash-4.2$ cp postgresql.conf postgresql.conf.org
postgresql.confを編集するために、バックアップファイルを作る。
bash-4.2$ echo "listen_addresses = '*'" >> /var/lib/pgsql/data/postgresql.conf
postgresql.confの最終行に追記する。
cp pg_hba.conf pg_hba.conf.org
```
bash-4.2$ echo "# PostgreSQL Client Authentication Configuration File" > ./pg_hba.conf
bash-4.2$ echo "# ===================================================" >> ./pg_hba.conf
bash-4.2$ echo "local all all trust" >> ./pg_hba.conf
bash-4.2$ echo "host all all 127.0.0.1/32 trust" >> ./pg_hba.conf
bash-4.2$ echo "host all all ::1/128 trust" >> ./pg_hba.conf
exit
service postgresql restart これでPostgreSQLの起動が完了
[root@ik1-331-25935 sato]# service postgresql restart
Redirecting to /bin/systemctl restart postgresql.service
psql -U postgres PostgreSQLにログイン
```
[root@ik1-331-25935 sato]# psql -U postgres
psql: FATAL: no pg_hba.conf entry for host "[local]", user "postgres", database "postgres", SSL off
[root@ik1-331-25935 sato]# su postgres
bash-4.2$ cd /var/lib/pgsql/data/
bash-4.2$ ls
PG_VERSION pg_hba.conf pg_notify pg_subtrans postgresql.conf
base pg_ident.conf pg_serial pg_tblspc postgresql.conf.org
global pg_log pg_snapshots pg_twophase postmaster.opts
pg_clog pg_multixact pg_stat_tmp pg_xlog postmaster.pid
bash-4.2$ cat pg_hba.conf
PostgreSQL Client Authentication Configuration File
===================================================
host all all ::1/128 trust
bash-4.2$ vi pg_hba.conf
bash-4.2$ exit
exit
[root@ik1-331-25935 sato]# psql -U postgres
psql: FATAL: no pg_hba.conf entry for host "[local]", user "postgres", database "postgres", SSL off
[root@ik1-331-25935 sato]# service postgresql restart
Redirecting to /bin/systemctl restart postgresql.service
[root@ik1-331-25935 sato]# psql -U postgres
psql (9.2.23)
Type "help" for help.
postgres=#
```
create database sales; 新規にデータベースを作る
```
postgres=# create database sales;
CREATE DATABASE
create table userlist(
id int,
name varchar(20),
address varchar(30),
age int
);
postgres=# create table userlist(
postgres(# id int,
postgres(# name varchar(20),
postgres(# address varchar(30),
postgres(# age int
postgres(# );
CREATE TABLE
select * from userlist;
```
insert into userlist values(1, 'sato','tokyo',18);
insert into userlist values(2,'nao','kyoto',22);
insert into userlist values(3,'john','newyork',34);
insert into userlist values(4,'lisa','paris',24);
insert into userlist values(5,'kaoru','nagoya',15);
insert into userlist values(6,'ryo','fuhuoka',40);
\q