{"id":42001,"date":"2023-01-29T03:58:03","date_gmt":"2023-10-09T08:01:18","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e5%ae%89%e8%a3%85postgresql%e5%b9%b6%e8%bf%9e%e6%8e%a5%e5%88%b0%e5%a4%96%e9%83%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/"},"modified":"2024-04-29T12:00:29","modified_gmt":"2024-04-29T04:00:29","slug":"%e5%9c%a8linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e5%ae%89%e8%a3%85postgresql%e5%b9%b6%e8%bf%9e%e6%8e%a5%e5%88%b0%e5%a4%96%e9%83%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e5%ae%89%e8%a3%85postgresql%e5%b9%b6%e8%bf%9e%e6%8e%a5%e5%88%b0%e5%a4%96%e9%83%a8%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/","title":{"rendered":"\u5728Linux\u670d\u52a1\u5668\u4e0a\u5b89\u88c5PostgreSQL\u5e76\u8fde\u63a5\u5230\u5916\u90e8\u670d\u52a1\u5668"},"content":{"rendered":"

\u672c\u6b21\u4e8b\u4ef6\u53d1\u5c55\u7684\u8fc7\u7a0b<\/h1>\n

\u2780 PostgreSQL\u7684\u5b89\u88c5
\n\u2781 \u672c\u5730\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\uff08\u4f7f\u7528Node.js\uff09
\n\u2782 \u5916\u90e8\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\uff08\u4f7f\u7528Node.js\uff09<\/p>\n

\u2780\u5f15\u5165PostgreSQL\u3002<\/h1>\n

\u670d\u52a1\u5668\u4f7f\u7528\u7684\u662f\u6a31\u82b1VPS\u4e0a\u7684CentOS8\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n

\"image.png\"<\/div>\n

\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u5b89\u88c5\u5230\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n

sudo dnf install -y https:\/\/download.postgresql.org\/pub\/repos\/yum\/reporpms\/EL-8-x86_64\/pgdg-redhat-repo-latest.noarch.rpm\r\nsudo dnf -qy module disable postgresql\r\nsudo dnf install -y postgresql13-server\r\n<\/code><\/pre>\n
\u4ece\u4e0a\u5f80\u4e0b\u4f9d\u6b21\u662f\u6dfb\u52a0\u5b58\u50a8\u5e93\u3001\u505c\u6b62\u9ed8\u8ba4\u7684PostgreSQL\u6a21\u5757\uff0c\u7136\u540e\u8fdb\u884cPostgreSQL\u7684\u5b89\u88c5\u3002\u8bf7\u6ce8\u610f\uff0c\u9009\u9879q\u8868\u793a\u4e0d\u8f93\u51fa\u6d88\u606f\uff0cy\u8868\u793a\u5168\u90e8\u9009\u62e9yes\uff0c\u53ef\u4ee5\u6709\u4e5f\u53ef\u4ee5\u6ca1\u6709\u3002<\/p>\n
\u6211\u60f3\u8fd9\u6837\u5c31\u53ef\u4ee5\u81ea\u52a8\u521b\u5efapostgres\u7528\u6237\u4e86\uff0c\u6240\u4ee5\u6211\u4eec\u5207\u6362\u7528\u6237\u5e76\u68c0\u67e5\u73af\u5883\u53d8\u91cf\u3002
\n\u5728\u6211\u7684\u73af\u5883\u4e2d\uff0c\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e\u4e3a\u300cPGDATA=\/var\/lib\/pgsql\/13\/data\u300d\u3002<\/p>\n
sudo su - postgres\r\nenv | grep PGDATA\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u521d\u59cb\u6570\u636e\u5e93\u3002<\/p>\n
export PGSETUP_INITDB_OPTIONS=\"--encoding=UTF8 --locale=ja_JP.UTF-8 --lc-collate=ja_JP.UTF-8 --lc-ctype=ja_JP.UTF-8\"\r\n\/usr\/pgsql-13\/bin\/postgresql-13-setup initdb\r\n<\/code><\/pre>\n
\u901a\u8fc7\u6dfb\u52a0–now\u53c2\u6570\uff0c\u53ef\u4ee5\u540c\u65f6\u542f\u7528\u548c\u542f\u52a8\u6570\u636e\u5e93\u3002<\/p>\n
systemctl enable postgresql-13 --now\r\n<\/code><\/pre>\n
\u4f7f\u7528postgres\u7528\u6237\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u521b\u5efa\u6570\u636e\u5e93\u548c\u89d2\u8272\u3002<\/p>\n
psql\r\ncreate database first_db\r\ncreate role test login password 'test';\r\n<\/code><\/pre>\n
\u6211\u5148\u9000\u51fa\uff0c\u7136\u540e\u5c1d\u8bd5\u4f7f\u7528test\u7528\u6237\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n
psql -U test -d first_db\r\npsql: error: FATAL:  Peer authentication failed for user \"test\"\r\n<\/code><\/pre>\n
\u53d1\u751f\u4e86\u9519\u8bef\u3002
\n\u636e\u8bf4\uff0cPostgreSQL\u9ed8\u8ba4\u91c7\u7528Peer\u8eab\u4efd\u9a8c\u8bc1\uff0cLinux\u7528\u6237\u7684\u7528\u6237\u540d\u5fc5\u987b\u4e0ePostgreSQL\u7528\u6237\u7684\u7528\u6237\u540d\u76f8\u540c\u3002
\n\u7531\u4e8e\u4e0d\u65b9\u4fbf\uff0c\u6211\u4eec\u5c06\u8fdb\u884c\u66f4\u6539\u3002
\n\u6211\u4eec\u5c06\u4fee\u6539\/var\/lib\/pgsql\/13\/data\/pg_hba.conf\u6587\u4ef6\u3002<\/p>\n
local   all             all                                     peer\r\n<\/code><\/pre>\n
\u8bf7\u524a\u51cf\u4f60\u7684\u652f\u51fa\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7ba1\u7406\u4f60\u7684\u8d22\u52a1\u72b6\u51b5\u3002<\/p>\n
local   all             postgres                                peer\r\nlocal   all             all                                     md5\r\n<\/code><\/pre>\n
\u5c06\u201cpeer\u201d\u66f4\u6539\u4e3a\u201cmd5\u201d\u3002
\n\u8fd9\u5c06\u7528\u4e8e\u5bc6\u7801\u9a8c\u8bc1\u3002<\/p>\n
\u7136\u800c\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cpostgres\u7528\u6237\u6ca1\u6709\u8bbe\u7f6e\u5bc6\u7801\uff0c\u5982\u679c\u542f\u7528\u5bc6\u7801\u8ba4\u8bc1\uff0c\u5c06\u65e0\u6cd5\u4f7f\u7528\u8be5\u7528\u6237\uff0c\u6240\u4ee5\u6211\u4eec\u4fdd\u6301\u4e86peer\u8ba4\u8bc1\u7684\u65b9\u5f0f\u3002\u867d\u7136\u53ef\u4ee5\u8bbe\u7f6e\u5bc6\u7801\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
\u8bf7\u91cd\u542fPostgreSQL\uff0c\u7136\u540e\u518d\u6b21\u4f7f\u7528test\u7528\u6237\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n
sudo systemctl restart postgresql-13\r\npsql -U test -d first_db\r\n<\/code><\/pre>\n
\u56e0\u4e3a\u8981\u6c42\u8f93\u5165\u5bc6\u7801\uff0c\u6240\u4ee5\u8bf7\u60a8\u8f93\u5165\u8bbe\u7f6e\u7684”test”\u6765\u786e\u8ba4OK\u3002<\/p>\n
\u6682\u65f6\u8ba4\u4e3aPostgreSQL\u5df2\u7ecf\u6210\u529f\u5b89\u88c5\u597d\u4e86\uff01<\/p>\n
\u4e0e\u672c\u5730\u5e94\u7528\u7a0b\u5e8f\u5efa\u7acb\u8fde\u63a5\uff08Node.js\uff09\u3002<\/h1>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u4ece\u4f7f\u7528Node.js\u521b\u5efa\u7684\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/p>\n
\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939\uff0c\u8fdb\u884cnpm\u521d\u59cb\u5316\uff0c\u5e76\u5b89\u88c5pg\u6a21\u5757\u3002<\/p>\n
mkdir db_connect\r\ncd $_\r\nnpm init -y\r\nnpm install pg\r\n<\/code><\/pre>\n
\u6211\u4f1a\u521b\u5efa\u4e00\u4e2a\u9002\u5f53\u7684\u6587\u4ef6\u3002<\/p>\n
const<\/span> pg<\/span> =<\/span> require<\/span>(<\/span>'<\/span>pg<\/span>'<\/span>);<\/span>\r\n\r\n\/\/ \u63a5\u7d9a\u5148\u6587\u5b57\u5217<\/span>\r\nconst<\/span> connectionString<\/span> =<\/span> '<\/span>postgres:\/\/test:test@localhost:5432\/first_db<\/span>'<\/span>;<\/span>\r\n\r\nconsole<\/span>.<\/span>log<\/span>(<\/span>`\u958b\u59cb : <\/span>${<\/span>connectionString<\/span>}<\/span>`<\/span>);<\/span>\r\nconst<\/span> pool<\/span> =<\/span> new<\/span> pg<\/span>.<\/span>Pool<\/span>({<\/span>\r\n    connectionString<\/span>:<\/span> connectionString<\/span>\r\n});<\/span>\r\n\r\npool<\/span>.<\/span>query<\/span>(<\/span>'<\/span>SELECT * FROM user<\/span>'<\/span>)<\/span>\r\n.<\/span>then<\/span>(<\/span>result<\/span> =><\/span> {<\/span>\r\n    \/\/ \u7d50\u679c\u30c7\u30fc\u30bf\u306e\u8868\u793a<\/span>\r\n    if<\/span> (<\/span>result<\/span>.<\/span>rows<\/span>)<\/span> {<\/span>\r\n        result<\/span>.<\/span>rows<\/span>.<\/span>forEach<\/span>((<\/span>row<\/span>)<\/span> =><\/span> {<\/span>\r\n            console<\/span>.<\/span>log<\/span>(<\/span>row<\/span>);<\/span>\r\n        });<\/span>\r\n    }<\/span>\r\n})<\/span>\r\n.<\/span>catch<\/span>(<\/span>err<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>err: <\/span>'<\/span>,<\/span> err<\/span>);<\/span>\r\n})<\/span>\r\n.<\/span>then<\/span>(()<\/span> =><\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>'<\/span>\u5207\u65ad<\/span>'<\/span>);<\/span>\r\n    pool<\/span>.<\/span>end<\/span>();<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u5730\u65b9\u51e0\u4e4e\u662f\u7167\u642c\u4e86\u6211\u4eec\u8fd9\u8fb9\u7684\u6587\u7ae0\uff0c\u6216\u8005\u8bf4\u51e0\u4e4e\u662f\u5b8c\u5168\u6284\u88ad\u3002
\n\u4f7f\u7528\u300cpg\u300d\u5305\u8fde\u63a5\u5230\u672c\u5730\u7684PostgreSQL\u6216Heroku Postgres\u3002<\/p>\n
\u56e0\u4e3a\u6267\u884c\u4e86\u8fd9\u4e2a\u64cd\u4f5c\u5e76\u4e14\u5f97\u5230\u4e86\u7ed3\u679c\uff0c\u6211\u4eec\u5c06\u89c6\u4e3aOK\u3002<\/p>\n
$ node index.js\r\n\u958b\u59cb : postgres:\/\/test:test@localhost:5432\/first_db\r\n{ user: 'test' }\r\n\u5207\u65ad\r\n<\/code><\/pre>\n
\u4e0e\u5916\u90e8\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\uff08\u4f7f\u7528Node.js\uff09<\/h1>\n
\u6700\u540e\uff0c\u6211\u5c06\u5c1d\u8bd5\u4ece\u6211\u672c\u673a\u7684Windows\u673a\u5668\u8fde\u63a5\u5230Linux\u4e0a\u7684PostgreSQL\u3002<\/p>\n
\u8bf7\u91cd\u7528\u4f7f\u7528\u8fc7\u7684 Node.js \u6587\u4ef6\uff0c\u53ea\u9700\u66f4\u6539\u8fde\u63a5\u76ee\u6807\u5b57\u7b26\u4e32\u3002<\/p>\n
postgres:\/\/test:test@[\u63a5\u7d9a\u5148\u30b5\u30fc\u30d0\u306e\u30a2\u30c9\u30ec\u30b9]:5432\/first_db\r\n<\/code><\/pre>\n
\u53ea\u662f\u6267\u884c\u8fd9\u4e2a\u5c31\u4f1a\u51fa\u73b0\u8fde\u63a5\u9519\u8bef\u3002<\/p>\n
PostgreSQL\u9ed8\u8ba4\u53ea\u63a5\u53d7\u6765\u81ea\u672c\u5730\u4e3b\u673a\u7684\u8fde\u63a5\u3002\u56e0\u6b64\uff0c\u9700\u8981\u8c03\u6574\u76f8\u5173\u8bbe\u7f6e\u3002<\/p>\n
\u9996\u5148\uff0c\u5c06\u76d1\u542c\u5730\u5740\u8bbe\u7f6e\u4e3a*(\u5168\u90e8)\uff0c\u5e76\u5141\u8bb8\u7aef\u53e35432\u3002<\/p>\n
#listen_addresses = 'localhost'\r\n#port = 5432\r\n<\/code><\/pre>\n
\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u540c\u4e49\u8868\u8fbe\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879:
\n\u2193<\/p>\n
\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u63d0\u4f9b\u4e00\u79cd\u9009\u9879:
\n\u2193<\/p>\n
listen_addresses = '*'\r\nport = 5432\r\n<\/code><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u5728pg_hba.conf\u4e2d\u6dfb\u52a0\u4ee5\u4e0b1\u884c\u3002<\/p>\n
host    first_db        test            [\u63a5\u7d9a\u5143\u30a2\u30c9\u30ec\u30b9]\/32         md5\r\n<\/code><\/pre>\n
\u7528\u8fd9\u4e2a\u547d\u4ee4\u91cd\u65b0\u542f\u52a8PostgreSQL<\/p>\n
sudo systemctl restart postgresql-13\r\n<\/code><\/pre>\n
\u7136\u540e\u53ef\u4ee5\u901a\u8fc7\u9632\u706b\u5899\u7b49\u65b9\u5f0f\u6253\u5f005432\u7aef\u53e3\u3002<\/p>\n
\u7531\u4e8e\u6a31\u82b1VPS\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u66f4\u6539\u6570\u636e\u5305\u8fc7\u6ee4\u8bbe\u7f6e\uff0c\u6211\u4eec\u5728\u90a3\u91cc\u5f00\u653e\u4e865432\u7aef\u53e3\u3002<\/p>\n
\u5982\u679c\u4ece\u6211\u7684\u7535\u8111\u4e0a\u8fd0\u884c “node index.js”\uff0c\u8fde\u63a5\u6210\u529f\u5e76\u6210\u529f\u83b7\u53d6\u7ed3\u679c\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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