{"id":20573,"date":"2025-05-07T13:55:41","date_gmt":"2025-05-07T05:55:41","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/install-environment-on-centos-7-6-troubleshooting-tips\/"},"modified":"2025-05-07T13:57:43","modified_gmt":"2025-05-07T05:57:43","slug":"install-environment-on-centos-7-6-troubleshooting-tips","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/install-environment-on-centos-7-6-troubleshooting-tips\/","title":{"rendered":"CentOS 7.6\u7121\u6cd5\u5b89\u88dd\u74b0\u5883\uff1a\u6545\u969c\u6392\u9664\u6280\u5de7"},"content":{"rendered":"<p>\u5728<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528<\/a>\u57fa\u790e\u8a2d\u65bd\u4e0a\u914d\u7f6eCentOS 7.6\u74b0\u5883\u53ef\u80fd\u6703\u5f88\u68d8\u624b\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u7dad\u8b77\u7a69\u5065\u7684\u4f3a\u670d\u5668\u74b0\u5883\u3002\u7121\u8ad6\u60a8\u662f\u5728\u8655\u7406Yum\u5009\u5eab\u554f\u984c\u9084\u662f\u89e3\u6c7a\u76f8\u4f9d\u6027\u5730\u7344\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u5e6b\u52a9\u3002<\/p>\n<h2><strong>\u5b89\u88dd\u524d\u7cfb\u7d71\u6aa2\u67e5<\/strong><\/h2>\n<p>\u5728\u958b\u59cb\u6545\u969c\u6392\u9664\u4e4b\u524d\uff0c\u8b93\u6211\u5011\u5efa\u7acb\u4e00\u500b\u5805\u5be6\u7684\u57fa\u790e\u3002\u57f7\u884c\u9019\u4e9b\u6307\u4ee4\u4f86\u8a55\u4f30\u7cfb\u7d71\u5c31\u7dd2\u72c0\u614b\uff1a<\/p>\n<pre>\r\n$ uname -r                  # \u6aa2\u67e5\u6838\u5fc3\u7248\u672c\r\n$ df -h                     # \u9a57\u8b49\u78c1\u789f\u7a7a\u9593\r\n$ free -m                   # \u6aa2\u67e5\u53ef\u7528\u8a18\u61b6\u9ad4\r\n$ ping 8.8.8.8             # \u6e2c\u8a66\u7db2\u8def\u9023\u7dda\r\n<\/pre>\n<p>\u9019\u4e9b\u8a3a\u65b7\u6709\u52a9\u65bc\u5728\u554f\u984c\u51fa\u73fe\u4e4b\u524d\u8b58\u5225\u6f5b\u5728\u7684\u74f6\u9838\u3002\u7279\u5225\u6ce8\u610f\u53ef\u7528\u78c1\u789f\u7a7a\u9593 &#8211; CentOS 7.6\u5b8c\u6574\u5b89\u88dd\u9700\u8981\u6700\u5c1120GB\u7a7a\u9593\u3002<\/p>\n<h2><strong>Yum\u5009\u5eab\u914d\u7f6e\u554f\u984c<\/strong><\/h2>\n<p>\u5009\u5eab\u554f\u984c\u901a\u5e38\u6e90\u65bc\u7db2\u8def\u9650\u5236\u6216\u904e\u6642\u7684\u93e1\u50cf\u3002\u4ee5\u4e0b\u662f\u7cfb\u7d71\u5316\u7684\u89e3\u6c7a\u65b9\u6cd5\uff1a<\/p>\n<pre>\r\n# \u5099\u4efd\u7576\u524d\u5009\u5eab\r\n$ mkdir \/etc\/yum.repos.d\/backup\r\n$ mv \/etc\/yum.repos.d\/*.repo \/etc\/yum.repos.d\/backup\/\r\n\r\n# \u914d\u7f6e\u9999\u6e2f\u93e1\u50cf\r\n$ curl -o \/etc\/yum.repos.d\/centos.repo http:\/\/mirrors.hk.net\/centos\/7\/centos.repo\r\n$ yum clean all\r\n$ yum makecache\r\n<\/pre>\n<h2><strong>\u76f8\u4f9d\u6027\u885d\u7a81\u89e3\u6c7a<\/strong><\/h2>\n<p>\u76f8\u4f9d\u6027\u885d\u7a81\u53ef\u80fd\u6703\u505c\u6b62\u6574\u500b\u5b89\u88dd\u904e\u7a0b\u3002\u8b93\u6211\u5011\u7528\u5df2\u9a57\u8b49\u7684\u9664\u932f\u6280\u8853\u7cfb\u7d71\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff1a<\/p>\n<pre>\r\n# \u6aa2\u67e5\u640d\u58de\u7684\u76f8\u4f9d\u95dc\u4fc2\r\n$ yum check\r\n$ yum deplist package_name\r\n\r\n# \u5f37\u5236\u5957\u4ef6\u4e00\u81f4\u6027\r\n$ yum clean all\r\n$ rpm --rebuilddb\r\n<\/pre>\n<p>\u9047\u5230\u7248\u672c\u885d\u7a81\u6642\uff0c\u907f\u514d\u5f37\u5236\u5b89\u88dd\u5957\u4ef6\u7684\u8a98\u60d1\u3002\u76f8\u53cd\uff0c\u5be6\u65bd\u4ee5\u4e0b\u7b56\u7565\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u8a18\u9304\u7576\u524d\u5957\u4ef6\u7248\u672c<\/li>\n<li>\u6aa2\u67e5\u76f8\u5bb9\u6027\u77e9\u9663<\/li>\n<li>\u5efa\u7acb\u5b89\u88dd\u9806\u5e8f\u5716<\/li>\n<li>\u5728\u9694\u96e2\u74b0\u5883\u4e2d\u6e2c\u8a66<\/li>\n<\/ul>\n<h2><strong>\u7db2\u8def\u914d\u7f6e\u9664\u932f<\/strong><\/h2>\n<p>\u7db2\u8def\u554f\u984c\u5e38\u5e38\u507d\u88dd\u6210\u5b89\u88dd\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u60a8\u7684\u9664\u932f\u5de5\u5177\u5305\uff1a<\/p>\n<pre>\r\n# \u9a57\u8b49DNS\u89e3\u6790\r\n$ cat \/etc\/resolv.conf\r\n$ nslookup google.com\r\n\r\n# \u6aa2\u67e5\u9632\u706b\u7246\u72c0\u614b\r\n$ systemctl status firewalld\r\n$ firewall-cmd --list-all\r\n\r\n# \u6e2c\u8a66\u7db2\u8def\u4ecb\u9762\r\n$ ip addr show\r\n$ ethtool eth0\r\n<\/pre>\n<p>\u5c08\u696d\u63d0\u793a\uff1a\u9999\u6e2f\u4f3a\u670d\u5668\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7684\u8def\u7531\u898f\u5247\u3002\u8003\u616e\u5230\u9632\u706b\u7246\u5c0d\u9023\u7dda\u6027\u7684\u5f71\u97ff\uff0c\u914d\u7f6e\u60a8\u7684\u7db2\u8def\uff1a<\/p>\n<pre>\r\n# \u6700\u4f73\u5316\u9999\u6e2f\u9023\u7dda\u7684\u8def\u7531\r\n$ ip route add default via your_gateway_ip\r\n$ sysctl -w net.ipv4.tcp_fastopen=3\r\n<\/pre>\n<h2><strong>\u5b89\u5168\u548c\u6b0a\u9650\u6545\u969c\u6392\u9664<\/strong><\/h2>\n<p>\u5b89\u5168\u914d\u7f6e\u932f\u8aa4\u53ef\u80fd\u6703\u6084\u6084\u963b\u6b62\u5b89\u88dd\u3002\u57f7\u884c\u9019\u4e9b\u6aa2\u67e5\uff1a<\/p>\n<pre>\r\n# SELinux\u72c0\u614b\u9a57\u8b49\r\n$ getenforce\r\n$ sestatus\r\n\r\n# \u6b0a\u9650\u7a3d\u6838\r\n$ namei -l \/path\/to\/installation\/directory\r\n$ getcap -r \/usr\/bin\r\n<\/pre>\n<h2><strong>\u5e38\u898b\u8edf\u9ad4\u5806\u758a\u554f\u984c<\/strong><\/h2>\n<p>\u8b93\u6211\u5011\u6df1\u5165\u63a2\u8a0e\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u5834\u666f\u4e2d\u7d93\u5e38\u9020\u6210\u56f0\u64fe\u7684\u7279\u5b9a\u74b0\u5883\u914d\u7f6e\uff1a<\/p>\n<h3>LAMP\u5806\u758a<\/h3>\n<pre>\r\n# Apache\u6545\u969c\u6392\u9664\r\n$ httpd -t\r\n$ systemctl status httpd\r\n$ tail -f \/var\/log\/httpd\/error_log\r\n\r\n# MySQL\u8a3a\u65b7\r\n$ mysqld --verbose --help\r\n$ mysqlcheck -A\r\n$ tail -f \/var\/log\/mysqld.log\r\n<\/pre>\n<h3>Node.js\u74b0\u5883<\/h3>\n<pre>\r\n# \u7248\u672c\u7ba1\u7406\r\n$ curl -o- https:\/\/raw.githubusercontent.com\/nvm-sh\/nvm\/v0.39.0\/install.sh | bash\r\n$ nvm install node\r\n$ nvm use node\r\n\r\n# \u5e38\u898b\u4fee\u5fa9\r\n$ npm cache clean --force\r\n$ rm -rf node_modules package-lock.json\r\n$ npm install\r\n<\/pre>\n<h2><strong>\u7cfb\u7d71\u65e5\u8a8c\u5206\u6790<\/strong><\/h2>\n<p>\u638c\u63e1\u9019\u4e9b\u65e5\u8a8c\u4f4d\u7f6e\u548c\u5206\u6790\u6280\u8853\uff0c\u6210\u70ba\u6545\u969c\u6392\u9664\u5fcd\u8005\uff1a<\/p>\n<pre>\r\n# \u95dc\u9375\u65e5\u8a8c\u4f4d\u7f6e\r\n\/var\/log\/messages\r\n\/var\/log\/secure\r\n\/var\/log\/yum.log\r\n\/var\/log\/audit\/audit.log\r\n\r\n# \u5373\u6642\u65e5\u8a8c\u76e3\u63a7\r\n$ journalctl -f\r\n$ tail -f \/var\/log\/messages | grep -i error\r\n<\/pre>\n<h3>\u9032\u968e\u65e5\u8a8c\u5206\u6790\u5de5\u5177<\/h3>\n<p>\u5be6\u65bd\u9019\u4e9b\u5f37\u5927\u5de5\u5177\u4ee5\u7372\u5f97\u66f4\u6df1\u5165\u7684\u6d1e\u5bdf\uff1a<\/p>\n<pre>\r\n# \u5b89\u88dd\u65e5\u8a8c\u5206\u6790\u5de5\u5177\r\n$ yum install logwatch fail2ban\r\n$ logwatch --detail high --range all\r\n$ fail2ban-client status\r\n<\/pre>\n<h2><strong>\u6548\u80fd\u6700\u4f73\u5316<\/strong><\/h2>\n<p>\u89e3\u6c7a\u5b89\u88dd\u554f\u984c\u5f8c\uff0c\u4f7f\u7528\u9019\u4e9b\u8abf\u6574\u4f86\u6700\u4f73\u5316\u60a8\u7684\u74b0\u5883\uff1a<\/p>\n<pre>\r\n# \u7cfb\u7d71\u6548\u80fd\u8abf\u6821\r\n$ echo 'vm.swappiness=10' >> \/etc\/sysctl.conf\r\n$ echo 'net.core.somaxconn=65535' >> \/etc\/sysctl.conf\r\n$ sysctl -p\r\n\r\n# I\/O\u6392\u7a0b\u5668\u6700\u4f73\u5316\r\n$ echo deadline > \/sys\/block\/sda\/queue\/scheduler\r\n<\/pre>\n<h2><strong>\u76e3\u63a7\u548c\u7dad\u8b77<\/strong><\/h2>\n<p>\u5be6\u65bd\u9019\u4e9b\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\u4ee5\u9810\u9632\u672a\u4f86\u554f\u984c\uff1a<\/p>\n<pre>\r\n# \u7cfb\u7d71\u76e3\u63a7\u8a2d\u5b9a\r\n$ yum install zabbix-agent\r\n$ systemctl enable zabbix-agent\r\n$ systemctl start zabbix-agent\r\n\r\n# \u8cc7\u6e90\u76e3\u63a7\r\n$ top -b -n 1\r\n$ iostat -xz 1\r\n$ netstat -tulpn\r\n<\/pre>\n<h2><strong>\u5099\u4efd\u548c\u5fa9\u539f\u7b56\u7565<\/strong><\/h2>\n<p>\u5efa\u7acb\u9019\u4e9b\u95dc\u9375\u7684\u5099\u4efd\u7a0b\u5e8f\uff1a<\/p>\n<pre>\r\n# \u81ea\u52d5\u5099\u4efd\u8173\u672c\r\n#!\/bin\/bash\r\nbackup_dir=\"\/backup\/$(date +%Y%m%d)\"\r\nmkdir -p $backup_dir\r\ntar -czf $backup_dir\/etc_backup.tar.gz \/etc\r\nmysqldump --all-databases > $backup_dir\/db_backup.sql\r\n<\/pre>\n<h2><strong>\u5feb\u901f\u53c3\u8003\u6545\u969c\u6392\u9664\u8868<\/strong><\/h2>\n<table border=\"1\">\n<tr>\n<th>\u554f\u984c<\/th>\n<th>\u6307\u4ee4<\/th>\n<th>\u89e3\u6c7a\u65b9\u6848<\/th>\n<\/tr>\n<tr>\n<td>Yum\u9396\u5b9a<\/td>\n<td>rm -f \/var\/run\/yum.pid<\/td>\n<td>\u522a\u9664\u904e\u6642\u7684\u9396\u5b9a\u6a94\u6848<\/td>\n<\/tr>\n<tr>\n<td>DNS\u554f\u984c<\/td>\n<td>echo &#8220;nameserver 8.8.8.8&#8221; >> \/etc\/resolv.conf<\/td>\n<td>\u65b0\u589eGoogle DNS<\/td>\n<\/tr>\n<tr>\n<td>\u5957\u4ef6\u885d\u7a81<\/td>\n<td>yum clean all &#038;&#038; yum update<\/td>\n<td>\u91cd\u65b0\u6574\u7406\u5957\u4ef6\u8cc7\u6599\u5eab<\/td>\n<\/tr>\n<\/table>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u5e73\u53f0\u4e0a\u638c\u63e1CentOS 7.6\u74b0\u5883\u8a2d\u5b9a\u9700\u8981\u7cfb\u7d71\u5316\u7684\u6545\u969c\u6392\u9664\u65b9\u6cd5\u3002\u900f\u904e\u9075\u5faa\u672c\u6307\u5357\u7684\u6280\u8853\u7a0b\u5e8f\u4e26\u5be6\u65bd\u5efa\u8b70\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u60a8\u5c07\u7dad\u8b77\u4e00\u500b\u7a69\u5065\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u74b0\u5883\u3002\u8a18\u4f4f\u8981\u5b9a\u671f\u66f4\u65b0\u7cfb\u7d71\u4e26\u59a5\u5584\u8a18\u9304\u914d\u7f6e\u66f4\u6539\u3002<\/p>\n<p>\u9700\u8981\u9032\u4e00\u6b65\u5354\u52a9\u60a8\u7684CentOS 7.6\u74b0\u5883\u6216\u9999\u6e2f\u4f3a\u670d\u5668\u8a2d\u5b9a\u55ce\uff1f\u6211\u5011\u7684\u6280\u8853\u652f\u63f4\u5718\u968a\u5c08\u9580\u5f9e\u4e8bLinux\u7cfb\u7d71\u914d\u7f6e\u548c\u6700\u4f73\u5316\u3002\u6b61\u8fce\u5c31\u60a8\u7684\u5177\u9ad4\u4f7f\u7528\u5834\u666f\u806f\u7e6b\u6211\u5011\u7372\u53d6\u5c08\u696d\u6307\u5c0e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u57fa\u790e\u8a2d\u65bd\u4e0a\u914d\u7f6eCentOS 7.6\u74b0\u5883\u53ef\u80fd\u6703\u5f88\u68d8\u624b\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/install-environment-on-centos-7-6-troubleshooting-tips\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":20569,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-20573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CentOS 7.6\u7121\u6cd5\u5b89\u88dd\u74b0\u5883\uff1a\u6545\u969c\u6392\u9664\u6280\u5de7<\/title>\n<meta name=\"description\" content=\"\u900f\u904e\u6211\u5011\u5168\u9762\u7684\u6545\u969c\u6392\u9664\u6307\u5357\u638c\u63e1CentOS 7.6\u74b0\u5883\u914d\u7f6e\u3002\u5f9eYum\u5009\u5eab\u554f\u984c\u5230\u76f8\u4f9d\u6027\u885d\u7a81 - \u89e3\u6c7a\u8907\u96dc\u7684\u4f3a\u670d\u5668\u554f\u984c\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, 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