{"id":41475,"date":"2023-05-20T20:28:18","date_gmt":"2023-10-11T16:45:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90linux%e3%80%91%e6%9c%8d%e5%8a%a1%e7%9a%84%e9%a1%ba%e5%ba%8f%e5%85%b3%e7%b3%bb%e5%92%8c%e4%be%9d%e8%b5%96%e5%85%b3%e7%b3%bb\/"},"modified":"2024-04-30T05:09:54","modified_gmt":"2024-04-29T21:09:54","slug":"%e3%80%90linux%e3%80%91%e6%9c%8d%e5%8a%a1%e7%9a%84%e9%a1%ba%e5%ba%8f%e5%85%b3%e7%b3%bb%e5%92%8c%e4%be%9d%e8%b5%96%e5%85%b3%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90linux%e3%80%91%e6%9c%8d%e5%8a%a1%e7%9a%84%e9%a1%ba%e5%ba%8f%e5%85%b3%e7%b3%bb%e5%92%8c%e4%be%9d%e8%b5%96%e5%85%b3%e7%b3%bb\/","title":{"rendered":"\u3010Linux\u3011\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u7531\u4e8e\u6709\u673a\u4f1a\u8c03\u67e5\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\uff0c\u6211\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u4fdd\u5b58\u4e0b\u6765\u3002<\/p>\n<p>\u672c\u6b21\u4f7f\u7528\u7684\u670d\u52a1\u662f httpd \u548c postgresql\u3002<br \/>\n\u6211\u4eec\u5047\u8bbe\u9700\u8981\u6309\u987a\u5e8f\u542f\u52a8 postgresql\uff0c\u7136\u540e\u662f httpd\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u5404\u79cd\u6d4b\u8bd5\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u56db\u79cd\u6a21\u5f0f\u662f\u672c\u6b21\u8981\u5c1d\u8bd5\u7684\u3002<\/p>\n<p>\u30d1\u30bf\u30fc\u30f3\uff11<br \/>\n\u5168\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u72b6\u614b\u3067 httpd \u3092\u8d77\u52d5\u3059\u308b\u3068\u3001postgresql \u21d2 httpd \u306e\u9806\u3067\u8d77\u52d5\u3059\u308b<\/p>\n<p>\u30d1\u30bf\u30fc\u30f3\uff12<br \/>\n\u5168\u30b5\u30fc\u30d3\u30b9\u8d77\u52d5\u72b6\u614b\u3067 postgresql \u3092\u505c\u6b62\u3059\u308b\u3068\u3001httpd \u3082\u505c\u6b62\u3059\u308b<\/p>\n<p>\u30d1\u30bf\u30fc\u30f3\uff13<br \/>\n\u5168\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u72b6\u614b\u3067 postgresql \u3092\u8d77\u52d5\u3059\u308b\u3068\u3001httpd \u3082\u8d77\u52d5\u3059\u308b<\/p>\n<p>\u30d1\u30bf\u30fc\u30f3\uff14<br \/>\n\u5168\u30b5\u30fc\u30d3\u30b9\u8d77\u52d5\u72b6\u614b\u3067 postgresql \u3092\u518d\u8d77\u52d5\u3059\u308b\u3068\u3001httpd \u21d2 postgresql \u306e\u9806\u3067\u505c\u6b62\u3057\u3001\u5168\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u5f8c\u306b postgresql \u21d2 httpd \u306e\u9806\u3067\u8d77\u52d5\u3059\u308b<\/p>\n<h1>\u670d\u52a1\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb<\/h1>\n<p>\u6211\u4f1a\u6682\u65f6\u5217\u51fa\u64cd\u4f5c\u7cfb\u7edf\u7684\u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/etc\/redhat-release\r\nCentOS Linux release 7.9.2009 (Core)\r\n<\/code><\/pre>\n<p>\u8bf7\u5206\u522b\u5b89\u88c5httpd\u548cpostgresql\u3002\uff08\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u670d\u52a1\u3002\uff09<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5355\u5143\u6587\u4ef6\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>\u8fd9\u4e24\u4e2a\u90fd\u662f\u9ed8\u8ba4\u72b6\u6001\u3002<br \/>\n\u8fd9\u91cc\u53ea\u5217\u51fa\u4e86\u9700\u8981\u8bbe\u7f6e\u4f9d\u8d56\u5173\u7cfb\u548c\u987a\u5e8f\u5173\u7cfb\u7684\u90e8\u5206\u3002<\/p>\n<p>\u9996\u5148\u662f httpd.service\u3002<\/p>\n<pre class=\"post-pre\"><code>[Unit]\r\nDescription=The Apache HTTP Server\r\nAfter=network.target remote-fs.target nss-lookup.target\r\nDocumentation=man:httpd(8)\r\nDocumentation=man:apachectl(8)\r\n<\/code><\/pre>\n<p>&#8220;httpd.service&#8221; \u88ab\u914d\u7f6e\u5728 &#8220;network.target&#8221;\u3001&#8221;remote-fs.target&#8221;\u3001&#8221;nss-lookup.target&#8221; \u542f\u52a8\u4e4b\u540e\u7684\u987a\u5e8f\u5173\u7cfb\u4e2d\u3002<\/p>\n<p>\u4e0b\u4e00\u4e2a\u662fpostgresql-14.service\u3002<\/p>\n<pre class=\"post-pre\"><code>[Unit]\r\nDescription=PostgreSQL 14 database server\r\nDocumentation=https:\/\/www.postgresql.org\/docs\/14\/static\/\r\nAfter=syslog.target\r\nAfter=network-online.target\r\n<\/code><\/pre>\n<p>postgresql-14.service \u88ab\u8bbe\u7f6e\u4e3a\u5728 syslog.target \u548c network-online.target \u4e4b\u540e\u542f\u52a8\u7684\u987a\u5e8f\u5173\u7cfb\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u590d\u4e60\u4e00\u4e0b\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u5b58\u5173\u7cfb\u3002\u6839\u636eRedHat\u5b98\u65b9\u7f51\u7ad9\u7684\u5185\u5bb9\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<p>\u9806\u5e8f\u5173\u7cfb\u662f\u5b9a\u4e49\u542f\u52a8\u987a\u5e8f\u7684\uff0c\u7c7b\u4f3c\u4e8e\u201c\u5fc5\u987b\u5728\u8fd9\u9879\u670d\u52a1\u4e4b\u540e\uff08\u4e4b\u524d\uff09\u624d\u80fd\u542f\u52a8\u201d\u7684\u5185\u5bb9\u3002<br \/>\n\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528After\u6216Before\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u4f9d\u8d56\u5173\u7cfb\u662f\u5b9a\u4e49\u4e86&#8221;\u5982\u679c\u8fd9\u9879\u670d\u52a1\u505c\u6b62\u4e86\uff0c\u6211\u4e5f\u4f1a\u505c\u6b62\uff01&#8221;\u8fd9\u79cd\u4f9d\u8d56\u5173\u7cfb\u7684\u6027\u8d28\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Requires\u6216Wants\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<p>\u7531\u4e8e\u5f53\u524d\u72b6\u6001\u4e0b\u6ca1\u6709\u5411\u5355\u5143\u6587\u4ef6\u4e2d\u6dfb\u52a0\u8bbe\u7f6e\uff0c\u6240\u4ee5\u5728postgresql\u548chttpd\u4e4b\u95f4\u6ca1\u6709\u4f9d\u8d56\u5173\u7cfb\u6216\u987a\u5e8f\u5173\u7cfb\u3002<\/p>\n<h2>\u8bf7\u7528\u4e2d\u6587\u91cd\u65b0\u8868\u8ff0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<\/h2>\n<p>\u9009\u98791:<\/p>\n<p>\u5728\u5168\u670d\u52a1\u505c\u6b62\u72b6\u6001\u4e0b\uff0c\u5c1d\u8bd5\u6309\u7167postgresql =&gt; httpd \u7684\u987a\u5e8f\u542f\u52a8httpd\u670d\u52a1\u3002<\/p>\n<p>\u8fd9\u4e24\u9879\u670d\u52a1\u90fd\u5904\u4e8e\u505c\u6b62\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 01:57:33 PDT; 4s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead)\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\u542f\u52a8httpd\uff0c\u53ea\u4f1a\u542f\u52a8httpd\u3002<br \/>\n\u56e0\u4e3a\u8fd8\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55\u8bbe\u7f6e\uff0c\u6240\u4ee5\u8fd9\u662f\u5f88\u6b63\u5e38\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl start httpd\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 01:58:25 PDT; 1s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 01:57:33 PDT; 56s ago\r\n<\/code><\/pre>\n<p>\u505c\u6b62 httpd \u8fdb\u7a0b\u4e00\u6b21\uff0c\u4f7f\u5176\u90fd\u5904\u4e8e\u505c\u6b62\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl stop httpd\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead)\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5c06\u4fee\u6b63\u5355\u5143\u6587\u4ef6\u3002<br \/>\n\u786e\u4fdd\u5728\u542f\u52a8httpd\u65f6\uff0cpostgresql\u5904\u4e8e\u5df2\u542f\u52a8\u72b6\u6001\u3002<\/p>\n<p>\u603b\u7ed3\u6765\u8bf4\uff0c\u542f\u52a8\u987a\u5e8f\u662fpostgresql\u21d2httpd\u3002<br \/>\n\u5982\u679chttpd\u4f9d\u8d56\u4e8epostgresql\uff0c\u90a3\u5c31\u6ca1\u95ee\u9898\u4e86\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8981\u4fee\u6539 postgresql-14.service\u3002<\/p>\n<pre class=\"post-pre\"><code>vi \/usr\/lib\/systemd\/system\/postgresql-14.service\r\n<\/code><\/pre>\n<p>\u8bf7\u5148\u4e8e&#8221;httpd.service&#8221;\u542f\u52a8\u6b64\u5b9a\u4e49\uff0c\u56e0\u6b64\u8bf7\u5bf9\u5185\u5bb9\u8fdb\u884c\u4ee5\u4e0b\u4fee\u6539\uff1a<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/postgresql-14.service\r\n[Unit]\r\nDescription=PostgreSQL 14 database server\r\nAfter=syslog.target\r\nAfter=network-online.target\r\nBefore=httpd.service          ### \u8ffd\u52a0\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u662fhttpd.service\u3002<\/p>\n<pre class=\"post-pre\"><code>vi \/usr\/lib\/systemd\/system\/httpd.service\r\n<\/code><\/pre>\n<p>\u60f3\u8981\u6dfb\u52a0\u4e00\u4e2a\u5b9a\u4e49\uff0c\u6211\u9700\u8981\u5bf9\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u4fee\u6539\uff1a\u300c\u5982\u679c\u6ca1\u6709 postgresql-14.service\uff0c\u6211\u65e0\u6cd5\u542f\u52a8\u3002\u300d<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/httpd.service\r\n[Unit]\r\nDescription=The Apache HTTP Server\r\nAfter=network.target remote-fs.target nss-lookup.target\r\nAfter=postgresql-14.service          ### \u8ffd\u52a0 \r\nWants=postgresql-14.service          ### \u8ffd\u52a0 \r\n<\/code><\/pre>\n<p>\u5b8c\u6210\u540e\u6267\u884c\u5b88\u62a4\u8fdb\u7a0b\u91cd\u8f7d\u3002<\/p>\n<pre class=\"post-pre\"><code>systemctl daemon-reload\r\n<\/code><\/pre>\n<p>\u4ee5\u6b64\u72b6\u6001\u4e0b\uff0c\u542f\u52a8httpd\u53ef\u4ee5\u770b\u5230postgresql\u5148\u542f\u52a8\uff0c\u7136\u540e\u662fhttpd\u3002<br \/>\npostgresql\u57282023-07-24 02:05:59\u542f\u52a8<br \/>\nhttpd\u57282023-07-24 02:06:04\u542f\u52a8<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl start httpd\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:05:59 PDT; 13s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:06:04 PDT; 15s ago\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8865\u5145\u8bf4\u660e\uff0c\u60a8\u4e0d\u5fc5\u5c1d\u8bd5\uff0c\u4f46\u5982\u679c\u5c06After\u548cBefore\u66f4\u6362\u987a\u5e8f\uff0c\u5219\u4f1a\u5148\u542f\u52a8httpd\uff0c\u7136\u540e\u662fpostgresql\u3002<\/p>\n<pre class=\"post-pre\"><code>### httpd.service\r\n[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/httpd.service\r\n[Unit]\r\nDescription=The Apache HTTP Server\r\nAfter=network.target remote-fs.target nss-lookup.target\r\n#After=postgresql-14.service\r\nBefore=postgresql-14.service      ### Before \u306b\u5909\u66f4\r\nWants=postgresql-14.service\r\n\r\n### postgresql-14.service\r\n[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/postgresql-14.service\r\n[Unit]\r\nDescription=PostgreSQL 14 database server\r\nDocumentation=https:\/\/www.postgresql.org\/docs\/14\/static\/\r\nAfter=syslog.target\r\nAfter=network-online.target\r\nAfter=httpd.service      ### After \u306b\u5909\u66f4        \r\n#Before=httpd.service\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u5728Wants=postgresql-14.service\u4e2d\u63cf\u8ff0\u4e86 httpd.service\uff0c<br \/>\n\u56e0\u6b64 httpd \u4ecd\u7136\u4f9d\u8d56\u4e8e postgresql\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c31\u662f\u201c\u5982\u679c\u6211\uff08httpd\uff09\u542f\u52a8\u4e86\uff0c\u90a3\u5c31\u4e00\u8d77\u542f\u52a8postgresql\u5427\u2661\u201d\u3002<\/p>\n<h2>\u7b2c\u4e8c\u79cd\u6a21\u5f0f<\/h2>\n<p>\u5f53postgresql\u5904\u4e8e\u5168\u670d\u52a1\u542f\u52a8\u72b6\u6001\u65f6\uff0c\u505c\u6b62\u5b83\u5c06\u5bfc\u81f4httpd\u4e5f\u505c\u6b62\u3002<\/p>\n<p>\u5728\u6a21\u5f0f1\u4e2d\uff0c\u6211\u521b\u5efa\u4e86\u4e00\u4e2ahttpd\u4f9d\u8d56\u4e8epostgresql\u7684\u72b6\u6001\u3002\u6240\u4ee5\u5982\u679c\u505c\u6b62postgresql\uff0c\u6211\u8ba4\u4e3a\u4f9d\u8d56\u4e8e\u5b83\u7684httpd\u4e5f\u4f1a\u505c\u6b62\u3002<\/p>\n<p>\u73b0\u5728\u4e24\u8005\u90fd\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:20:42 PDT; 18s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:20:49 PDT; 17s ago\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u505c\u6b62httpd\u4f9d\u8d56\u7684postgresql\u3002<br \/>\n\u7136\u540e\uff0c\u53ea\u6709postgresql\u505c\u6b62\u4e86\uff0chttpd\u4ecd\u7136\u5728\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl stop postgresql-14\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:22:22 PDT; 3s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:20:49 PDT; 1min 38s ago\r\n<\/code><\/pre>\n<p>\u8fd9\u4e0d\u662f\u4f9d\u8d56\u5173\u7cfb\u5417\uff01\uff01<br \/>\n\u539f\u56e0\u662fWants=postgresql-14.service\u3002<\/p>\n<p>\u53ea\u8981\u6709postgresql\u5b58\u5728\uff0c\u6211\u4f1a\u5f88\u5f00\u5fc3&#8230;\u4f46\u662f\uff0c\u54ea\u6015\u6ca1\u6709\u4f60\uff0c\u6211\u4e5f\u4f1a\u52aa\u529b\u6d3b\u4e0b\u53bb\uff01\u8fd9\u662f\u6211\u5bf9postgresql\u7684\u70ed\u7231\u7a0b\u5ea6\uff0c\u6240\u4ee5\u5373\u4f7fpostgresql\u505c\u6b62\u8fd0\u884c\uff0chttpd\u4e5f\u4e0d\u4f1a\u505c\u6b62\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d46fe37434c4406ca6db4\/56-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5982\u679c\u6ca1\u6709PostgreSQL\uff0c\u6211\u4e5f\u4f1a\u6d88\u5931\u7684\uff01\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u5fc5\u987b\u4f9d\u8d56\u5b83\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d46fe37434c4406ca6db4\/58-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u9700\u8981\u4fee\u6b63\u7684\u6587\u4ef6\u662f httpd.service\u3002<\/p>\n<pre class=\"post-pre\"><code>vi \/usr\/lib\/systemd\/system\/httpd.service\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4fee\u6b63\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/httpd.service\r\n[Unit]\r\nDescription=The Apache HTTP Server\r\nAfter=network.target remote-fs.target nss-lookup.target\r\nAfter=postgresql-14.service\r\n#Wants=postgresql-14.service       ### \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\nRequires=postgresql-14.service     ### \u8ffd\u52a0\r\n<\/code><\/pre>\n<p>\u4fee\u6b63\u540e\u6267\u884cdaemon-reload\u3002<\/p>\n<pre class=\"post-pre\"><code>systemctl daemon-reload\r\n<\/code><\/pre>\n<p>\u5c06\u4e24\u8005\u90fd\u8bbe\u7f6e\u4e3a\u542f\u52a8\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:30:38 PDT; 2min 43s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:20:49 PDT; 12min ago\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u505c\u6b62postgresql\uff0chttpd\u4e5f\u4f1a\u505c\u6b62\uff01httpd\u7684\u4f9d\u8d56\u7a0b\u5ea6\u589e\u5f3a\u4e86\u5462\u2026\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl stop postgresql-14\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:33:59 PDT; 1s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:33:59 PDT; 4s ago\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6709\u7740\u5f3a\u70c8\u7684\u9700\u6c42\uff0c\u6240\u4ee5\u8fde\u6a21\u5f0f1\u90fd\u6beb\u65e0\u95ee\u9898\u5730\u5b8c\u6210\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl start httpd\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:35:19 PDT; 3s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:35:20 PDT; 3s ago\r\n<\/code><\/pre>\n<h2>\u7b2c\u4e09\u79cd\u6a21\u5f0f<\/h2>\n<p>\u5f53\u542f\u52a8PostgreSQL\u65f6\uff0chttpd\u4e5f\u4f1a\u5728\u5168\u670d\u52a1\u505c\u6b62\u72b6\u6001\u4e0b\u542f\u52a8\u3002<\/p>\n<p>\u76ee\u524d\u4e24\u4e2a\u670d\u52a1\u90fd\u5904\u4e8e\u505c\u6b62\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:36:53 PDT; 1s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:36:53 PDT; 6s ago\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u542f\u52a8PostgreSQL\u3002<br \/>\n\u7ed3\u679c\u53ea\u6709PostgreSQL\u88ab\u542f\u52a8\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl start postgresql-14\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:37:46 PDT; 2s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:36:53 PDT; 57s ago\r\n<\/code><\/pre>\n<p>\u56e0\u4e3a PostgreSQL \u4e0d\u4f9d\u8d56\u4e8e httpd\uff0c\u6240\u4ee5\u5728 httpd \u505c\u6b62\u65f6\uff0c\u4e0d\u4f1a\u5bf9 PostgreSQL \u7684\u8fd0\u884c\u4ea7\u751f\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u6211\u60f3\u53bb\u4fbf\u5229\u5e97\u3002httpd \u662f\u7761\u7740\u4e86\u5417\uff1f<br \/>\n\u90a3\u6211\u4e00\u4e2a\u4eba\uff08postgresql\uff09\u53bb\u4fbf\u5229\u5e97\u5427\u3002<\/p>\n<p>\u636e\u8bf4\uff0chttpd \u5bf9postgresql\u60c5\u6709\u72ec\u949f\uff0c\u4f46postgresql\u5e76\u4e0d\u4f9d\u8d56httpd\u3002<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u6a21\u5f0f3\uff0c\u5e94\u8be5\u600e\u4e48\u505a\u5462\uff1f\u53ef\u4ee5\u8ba9\u72b6\u6001\u53d8\u6210&#8221;\u6211\u60f3\u53bb\u4fbf\u5229\u5e97\u3002httpd \u662f\u5728\u7761\u89c9\u5417\uff1f\u6211\u4e0d\u60f3\u4e00\u4e2a\u4eba\u53bb(\u50cfpostgresql\u90a3\u6837)\uff0c\u6240\u4ee5\u8981\u53eb\u9192httpd!&#8221;\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u9700\u8981\u4fee\u6539 postgresql-14.service\u3002<\/p>\n<pre class=\"post-pre\"><code>vi \/usr\/lib\/systemd\/system\/postgresql-14.service\r\n<\/code><\/pre>\n<p>\u4e2d\u6587\u7ffb\u8bd1\uff1a\u5185\u5bb9\u5982\u4e0b\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/usr\/lib\/systemd\/system\/postgresql-14.service\r\n[Unit]\r\nDescription=PostgreSQL 14 database server\r\nDocumentation=https:\/\/www.postgresql.org\/docs\/14\/static\/\r\nAfter=syslog.target\r\nAfter=network-online.target\r\nBefore=httpd.service\r\nWants=httpd.service         ### \u8ffd\u52a0\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u3002<br \/>\n\u5728\u4e24\u4e2a\u670d\u52a1\u505c\u6b62\u7684\u72b6\u6001\u4e0b\uff0c\u542f\u52a8postgresql\u3002<\/p>\n<pre class=\"post-pre\"><code>### \u4e21\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u4e2d\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:48:36 PDT; 13s ago\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: inactive (dead) since Mon 2023-07-24 02:48:36 PDT; 14s ago\r\n\r\n### postgresql-14 \u8d77\u52d5\r\n[root@db-server-01 ~]# systemctl start postgresql-14\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:49:00 PDT; 3s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:49:05 PDT; 462ms ago\r\n<\/code><\/pre>\n<p>\u5b8c\u6210\u4e86\u7b2c\u4e09\u4e2a\u6a21\u5f0f\u7684\u5185\u5bb9\uff01<\/p>\n<h2>\u7b2c\u56db\u4e2a\u6a21\u5f0f<\/h2>\n<p>\u5f53\u5728\u5168\u670d\u52a1\u542f\u52a8\u72b6\u6001\u4e0b\u91cd\u65b0\u542f\u52a8postgresql\u65f6\uff0c\u4f1a\u5148\u505c\u6b62httpd\uff0c\u518d\u505c\u6b62postgresql\uff1b\u5728\u5168\u90e8\u670d\u52a1\u505c\u6b62\u540e\uff0c\u4f1a\u6309\u7167postgresql-&gt;httpd\u7684\u987a\u5e8f\u8fdb\u884c\u542f\u52a8\u3002<\/p>\n<p>\u8fd9\u662f\u5c06\u6a21\u5f0f2\u548c\u6a21\u5f0f3\u7ed3\u5408\u8d77\u6765\u7684\u611f\u89c9\u3002<\/p>\n<p>\u73b0\u5728\u4e24\u8005\u90fd\u5df2\u7ecf\u542f\u52a8\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:56:18 PDT; 3min 59s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 02:56:23 PDT; 3min 56s ago\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u542f\u52a8\u4e86PostgreSQL\uff0c\u5e76\u786e\u8ba4\u4e86\u7ed3\u679c\uff0c\u4f3c\u4e4e\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# systemctl restart postgresql-14\r\n[root@db-server-01 ~]# systemctl status postgresql-14 | grep Active\r\n   Active: active (running) since Mon 2023-07-24 03:01:43 PDT; 2s ago\r\n[root@db-server-01 ~]#\r\n[root@db-server-01 ~]# systemctl status httpd | grep Active\r\n   Active: active (running) since Mon 2023-07-24 03:01:49 PDT; 1s ago\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u66f4\u8be6\u7ec6\u5730\u67e5\u770b\uff0c\u6211\u4f1a\u68c0\u67e5\u4e00\u4e0b\u65e5\u5fd7\u3002<\/p>\n<p>\u5c3d\u7ba1\u5df2\u7ecf\u505c\u6b62\u4e86PostgreSQL\uff0c\u4f46\u53ef\u4ee5\u4ecehttpd\u4e2d\u770b\u5230\u5b83\u5df2\u7ecf\u88ab\u505c\u6b62\u3002<br \/>\n\u8fd9\u662f\u7531\u4e8e\u987a\u5e8f\u8bbe\u7f6e\uff08before\/after\uff09\u7684\u5f71\u54cd\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@db-server-01 ~]# cat \/var\/log\/messages | grep systemd\r\nJul 24 03:01:42 db-server-01 systemd: Stopping The Apache HTTP Server...\r\nJul 24 03:01:43 db-server-01 systemd: Stopped The Apache HTTP Server.\r\nJul 24 03:01:43 db-server-01 systemd: Stopping PostgreSQL 14 database server...\r\nJul 24 03:01:43 db-server-01 systemd: Stopped PostgreSQL 14 database server.\r\nJul 24 03:01:43 db-server-01 systemd: Starting PostgreSQL 14 database server...\r\nJul 24 03:01:43 db-server-01 systemd: Started PostgreSQL 14 database server.\r\nJul 24 03:01:43 db-server-01 systemd: Starting The Apache HTTP Server...\r\nJul 24 03:01:49 db-server-01 systemd: Started The Apache HTTP Server.\r\n<\/code><\/pre>\n<p>\u7b2c\u56db\u79cd\u6a21\u5f0f\u4e5f\u6ca1\u6709\u95ee\u9898\uff01<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u5b66\u5230\u4e86\u5f88\u591a\u4e1c\u897f\uff01<\/p>\n<p>\u4f46\u662f\uff0c\u9010\u6e10\u5199\u5173\u4e8e\u6c89\u8ff7\u604b\u7231\u7684\u6587\u7ae0\u7684\u5fc3\u60c5\u8ba9\u6211\u611f\u5230\u75b2\u5026\u2026\u2026\uff08\u7b11\uff09<\/p>\n<p>\u8bf7\u4e00\u5b9a\u8981\u6d4f\u89c8\u6211\u53d1\u5e03\u7684\u5176\u4ed6\u8bb8\u591a\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u7531\u4e8e\u6709\u673a\u4f1a\u8c03\u67e5\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\uff0c\u6211\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u4fdd\u5b58\u4e0b\u6765\u3002 \u672c\u6b21\u4f7f\u7528\u7684\u670d\u52a1\u662f httpd \u548c p [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41475","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u3011\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010linux\u3011\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Linux\u3011\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u7531\u4e8e\u6709\u673a\u4f1a\u8c03\u67e5\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\uff0c\u6211\u5c06\u5176\u4f5c\u4e3a\u5907\u5fd8\u5f55\u4fdd\u5b58\u4e0b\u6765\u3002 \u672c\u6b21\u4f7f\u7528\u7684\u670d\u52a1\u662f httpd \u548c p [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010linux\u3011\u670d\u52a1\u7684\u987a\u5e8f\u5173\u7cfb\u548c\u4f9d\u8d56\u5173\u7cfb\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-11T16:45:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T21:09:54+00:00\" \/>\n<meta property=\"og:image\" 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