tail -5 \/etc\/passwd \u73fe\u5728\u7684\u662f\uff1a<\/p>\n
[root@ik1-331-25935 sato]# tail -5 \/etc\/passwd
\nsshd:x:74:74:\u7279\u6743\u5206\u79bbSSH:\/var\/empty\/sshd:\/sbin\/nologin
\nntp:x:38:38::\/etc\/ntp:\/sbin\/nologin
\nchrony:x:995:993::\/var\/lib\/chrony:\/sbin\/nologin
\ntcpdump:x:72:72::\/:\/sbin\/nologin
\nsato:x:1000:1000::\/home\/sato:\/bin\/bash<\/p>\n
\u8bf7\u4f7f\u7528 yum -y \u5b89\u88c5 postgresql-server\u3002<\/p>\n
[root@ik1-331-25935 sato]# yum -y install postgresql-server\r\nLoaded plugins: fastestmirror, langpacks\r\nLoading mirror speeds from cached hostfile\r\n * base: ftp.iij.ad.jp\r\n * epel: mirror.dmmlabs.jp\r\n * extras: ftp.iij.ad.jp\r\n * updates: ftp.iij.ad.jp\r\nResolving Dependencies\r\n--> Running transaction check\r\n---> Package postgresql-server.x86_64 0:9.2.23-3.el7_4 will be installed\r\n--> Processing Dependency: postgresql-libs(x86-64) = 9.2.23-3.el7_4 for package: postgresql-server-9.2.23-3.el7_4.x86_64\r\n--> Processing Dependency: postgresql(x86-64) = 9.2.23-3.el7_4 for package: postgresql-server-9.2.23-3.el7_4.x86_64\r\n--> Processing Dependency: libpq.so.5()(64bit) for package: postgresql-server-9.2.23-3.el7_4.x86_64\r\n--> Running transaction check\r\n---> Package postgresql.x86_64 0:9.2.23-3.el7_4 will be installed\r\n---> Package postgresql-libs.x86_64 0:9.2.23-3.el7_4 will be installed\r\n--> Finished Dependency Resolution\r\n\r\nDependencies Resolved\r\n\r\n================================================================================\r\n Package Arch Version Repository Size\r\n================================================================================\r\nInstalling:\r\n postgresql-server x86_64 9.2.23-3.el7_4 updates 3.8 M\r\nInstalling for dependencies:\r\n postgresql x86_64 9.2.23-3.el7_4 updates 3.0 M\r\n postgresql-libs x86_64 9.2.23-3.el7_4 updates 234 k\r\n\r\nTransaction Summary\r\n================================================================================\r\nInstall 1 Package (+2 Dependent packages)\r\n\r\nTotal download size: 7.0 M\r\nInstalled size: 33 M\r\nDownloading packages:\r\n(1\/3): postgresql-libs-9.2.23-3.el7_4.x86_64.rpm | 234 kB 00:01\r\n(2\/3): postgresql-9.2.23-3.el7_4.x86_64.rpm | 3.0 MB 00:02\r\n(3\/3): postgresql-server-9.2.23-3.el7_4.x86_64.rpm | 3.8 MB 00:01\r\n--------------------------------------------------------------------------------\r\nTotal 2.2 MB\/s | 7.0 MB 00:03\r\nRunning transaction check\r\nRunning transaction test\r\nTransaction test succeeded\r\nRunning transaction\r\n Installing : postgresql-libs-9.2.23-3.el7_4.x86_64 1\/3\r\n Installing : postgresql-9.2.23-3.el7_4.x86_64 2\/3\r\n Installing : postgresql-server-9.2.23-3.el7_4.x86_64 3\/3\r\n Verifying : postgresql-9.2.23-3.el7_4.x86_64 1\/3\r\n Verifying : postgresql-server-9.2.23-3.el7_4.x86_64 2\/3\r\n Verifying : postgresql-libs-9.2.23-3.el7_4.x86_64 3\/3\r\n\r\nInstalled:\r\n postgresql-server.x86_64 0:9.2.23-3.el7_4\r\n\r\nDependency Installed:\r\n postgresql.x86_64 0:9.2.23-3.el7_4 postgresql-libs.x86_64 0:9.2.23-3.el7_4\r\n\r\nComplete!\r\n<\/code><\/pre>\n[root@ik1-331-25935 sato]# tail -5 \/etc\/passwd\r\nntp:x:38:38::\/etc\/ntp:\/sbin\/nologin\r\nchrony:x:995:993::\/var\/lib\/chrony:\/sbin\/nologin\r\ntcpdump:x:72:72::\/:\/sbin\/nologin\r\nsato:x:1000:1000::\/home\/sato:\/bin\/bash\r\npostgres:x:26:26:PostgreSQL Server:\/var\/lib\/pgsql:\/bin\/bash\r\n<\/code><\/pre>\n[root@ik1-331-25935 sato]# su postgres\r\nbash-4.2$\r\nbash-4.2$ whoami\r\npostgres\r\n<\/code><\/pre>\nbash-4.2$ \u5207\u6362\u5230 \/var\/lib\/pgsql\/data\/ \u76ee\u5f55\u3002<\/p>\n
\u8fdb\u884c PostgreSQL \u521d\u59cb\u5316<\/p>\n
bash-4.2$ cp postgresql.conf postgresql.conf.org\r\npostgresql.conf\u3092\u7de8\u96c6\u3059\u308b\u305f\u3081\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308b\u3002\r\n<\/code><\/pre>\nbash-4.2$ echo \"listen_addresses = '*'\" >> \/var\/lib\/pgsql\/data\/postgresql.conf\r\npostgresql.conf\u306e\u6700\u7d42\u884c\u306b\u8ffd\u8a18\u3059\u308b\u3002\r\n<\/code><\/pre>\n\u590d\u5236pg_hba.conf\u4e3apg_hba.conf.org\u3002<\/p>\n
bash-4.2$ echo \"# PostgreSQL Client Authentication Configuration File\" > .\/pg_hba.conf\r\nbash-4.2$ echo \"# ===================================================\" >> .\/pg_hba.conf\r\nbash-4.2$ echo \"local all all trust\" >> .\/pg_hba.conf\r\nbash-4.2$ echo \"host all all 127.0.0.1\/32 trust\" >> .\/pg_hba.conf\r\nbash-4.2$ echo \"host all all ::1\/128 trust\" >> .\/pg_hba.conf\r\n<\/code><\/pre>\n\u9000\u51fa
\n\u91cd\u65b0\u542f\u52a8PostgreSQL\u670d\u52a1\uff0c\u6b64\u65f6PostgreSQL\u7684\u542f\u52a8\u5df2\u5b8c\u6210\u3002<\/p>\n
[root@ik1-331-25935 sato]# \u91cd\u65b0\u542f\u52a8PostgreSQL\u670d\u52a1
\n\u91cd\u5b9a\u5411\u5230\/bin\/systemctl\u91cd\u65b0\u542f\u52a8postgresql.service<\/p>\n
[root@ik1-331-25935 sato]# psql -U postgres
\npsql: FATAL: \u5bf9\u4e8e\u4e3b\u673a”[local]”\uff0c\u7528\u6237”postgres”\uff0c\u6570\u636e\u5e93”postgres”\uff0c\u672a\u627e\u5230pg_hba.conf\u6761\u76ee\uff0cSSL\u5173\u95ed
\n[root@ik1-331-25935 sato]# su postgres
\nbash-4.2$ cd \/var\/lib\/pgsql\/data\/
\nbash-4.2$ ls
\nPG_VERSION pg_hba.conf pg_notify pg_subtrans postgresql.conf
\nbase pg_ident.conf pg_serial pg_tblspc postgresql.conf.org
\nglobal pg_log pg_snapshots pg_twophase postmaster.opts
\npg_clog pg_multixact pg_stat_tmp pg_xlog postmaster.pid
\nbash-4.2$ cat pg_hba.conf<\/p>\n
[root@ik1-331-25935 sato]# psql -U postgres
\n\u81f4\u547d\u9519\u8bef: \u5bf9\u4e8e\u4e3b\u673a”[local]”\uff0c\u7528\u6237”postgres”\uff0c\u6570\u636e\u5e93”postgres”\uff0c\u672a\u627e\u5230pg_hba.conf\u6761\u76ee\uff0cSSL\u5173\u95ed
\n[root@ik1-331-25935 sato]# su postgres
\nbash-4.2$ cd \/var\/lib\/pgsql\/data\/
\nbash-4.2$ ls
\nPG_VERSION pg_hba.conf pg_notify pg_subtrans postgresql.conf
\nbase pg_ident.conf pg_serial pg_tblspc postgresql.conf.org
\nglobal pg_log pg_snapshots pg_twophase postmaster.opts
\npg_clog pg_multixact pg_stat_tmp pg_xlog postmaster.pid
\nbash-4.2$ cat pg_hba.conf<\/p>\n
PostgreSQL \u5ba2\u6237\u7aef\u8ba4\u8bc1\u914d\u7f6e\u6587\u4ef6<\/h1>\n\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u4ec5\u9700\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a<\/h1>\n
\u4e3b\u673a\u6240\u6709\u6240\u6709 ::1\/128 \u4fe1\u4efb
\nbash-4.2$ vi pg_hba.conf
\nbash-4.2$ exit
\n\u9000\u51fa
\n[root@ik1-331-25935 sato]# psql -U postgres
\npsql: \u81f4\u547d\u9519\u8bef: “pg_hba.conf” \u4e2d\u6ca1\u6709\u9488\u5bf9\u4e3b\u673a “[local]”\u3001\u7528\u6237 “postgres”\u3001\u6570\u636e\u5e93 “postgres”\u3001\u5173\u95ed\u4e86SSL \u7684\u6761\u76ee
\n[root@ik1-331-25935 sato]# service postgresql restart
\n\u6b63\u5728\u91cd\u5b9a\u5411\u5230 \/bin\/systemctl restart postgresql.service
\n[root@ik1-331-25935 sato]# psql -U postgres
\npsql (9.2.23)
\n\u8f93\u5165 “help” \u83b7\u53d6\u5e2e\u52a9\u3002<\/p>\n
“`
\npostgres=# PostgreSQL shell is ready for input.
\n“`<\/p>\n
postgres=# \u65b0\u898f\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308b<\/p>\n
\r\n\r\ncreate table userlist(\r\n id int,\r\n name varchar(20),\r\n address varchar(30),\r\n age int\r\n );\r\n\r\n<\/code><\/pre>\npostgres=# \u521b\u5efa\u8868 userlist(
\npostgres(# id int,
\npostgres(# name varchar(20),
\npostgres(# address varchar(30),
\npostgres(# age int
\npostgres(# );
\n\u521b\u5efa\u8868<\/p>\n
\u4ece userlist \u4e2d\u9009\u62e9*;<\/p>\n
\u63d2\u5165\u6570\u636e\u5230userlist\u8868\u4e2d\uff1a
\n1. insert into userlist values(1, ‘\u4f50\u85e4’, ‘\u4e1c\u4eac’, 18);
\n2. insert into userlist values(2, ‘\u5948\u7eea’, ‘\u4eac\u90fd’, 22);
\n3. insert into userlist values(3, ‘\u7ea6\u7ff0’, ‘\u7ebd\u7ea6’, 34);
\n4. insert into userlist values(4, ‘\u4e3d\u838e’, ‘\u5df4\u9ece’, 24);
\n5. insert into userlist values(5, ‘\u85b0’, ‘\u540d\u53e4\u5c4b’, 15);
\n6. insert into userlist values(6, ‘\u4eae’, ‘\u798f\u5188’, 40);<\/p>\n
\u4ee5\u4e0b\u662f\u4e2d\u6587\u672c\u5730\u5316\u7684\u91ca\u4e49\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a
\n\u8bf7\u63d0\u4f9b\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
tail -5 \/etc\/passwd \u73fe\u5728\u7684\u662f\uff1a [root@ik1-331-25935 sato]# ta […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41846","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n
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