postgres=# alter system set auth_delay.milliseconds=5000; ALTER SYSTEM reload生效 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 4.2、验证 [pg@pg ~]$ psql -h 192.168.6.12 -U test -p 5432 -d postgres Password for user test: --5s psql: FATAL: password authentication failed for u...
sudo -u postgres psql Step 2: Set a Password for the postgres User -- Set a secure password for the postgres user ALTER USER postgres WITH PASSWORD 'your_secure_password'; Explanation: ALTER USER postgres: This command selects the postgres user. WITH PASSWORD 'your_secure_password': Assigns...
\set HISTFILE /dev/null 按“Esc”键,输入:wq!,按“Enter”保存并退出编辑。 执行以下命令启动PostgreSQL命令行工具。 su - postgres psql -p 5432 输入postgres用户密码: Password for user postgres:Huawei12#$ 执行以下命令修改数据库用户密码。 alter role ccs_dba password 'Huawei12#$'; “ccs_dba”表...
ubuntu@ubuntu:~$sudo-u postgrespasswdEnter new UNIX password: # 输入新密码 Retype new UNIX password: # 确认新密码passwd: password updated successfully # 密码设置成功 ubuntu@ubuntu:~$sudo-u postgres psql psql (10.7(Ubuntu10.7-1.pgdg18.04+1)) Type"help"forhelp. postgres=# ALTER USER postgres...
postgres -bash-4.2$ psql psql (12.4) Type "help" for help. postgres=# 另一种指定连接参数的方法是使用 conninfo 字符串或者 URI 替代数据库名。例如: [tony@sqlhost ~]> psql "host=192.168.56.104 user=tony password=tony port=5432 dbname=hrdb" ...
[postgres@pg2 ~]$ psql -h 192.168.6.12 -U test -d postgres -p 5432 Password for user test: psql: FATAL: password authentication failed for user "test" 注意: pg密码有效期仅针对客户端有效,服务器端不受限制。 网络访问控制文件中不能配置为trust认证方式 ...
使用该用户连接到 postgres 数据库: [root@centos7 ~]# psql -h 192.168.56.103 -p 5432 -U tony postgres Password for user tony: psql (11.1) Type "help" for help. postgres=> \c You are now connected to database "postgres" as user "tony". ...
ALTER USER postgres WITH PASSWORD 'your_strong_password'; 5.2 创建专用用户 CREATE ROLE app_user WITH LOGIN PASSWORD 'user_password'; GRANT CONNECT ON DATABASE your_db TO app_user; 5.3 防火墙配置 # 开放PostgreSQL默认端口 sudo firewall-cmd --permanent --add-port=5432/tcp sudo firewall-cmd ...
Passwordforuser postgres:psql(13.3)Type"help"forhelp.postgres=# \l Listofdatabases Name|Owner|Encoding|Collate|Ctype|Access privileges---+---+---+---+---+---postgres|postgres|UTF8|Chinese_China.936|Chinese_China.936|template0|postgres|UTF8|Chinese_China.936|Chinese_China.936|=c/postgres...
frompublic.postgres_log where command_tag='authentication'and error_severity='FATAL'and log_time>c1;updatepublic.t_loginsetflag=1where login_time>c1;--检查登录失败次数是否大于3,若大于3则锁定用户forresinselect user_name frompublic.t_login where flag=1group by user_name havingcount(*)>=3loop...