\u5c0d\u65bc\u57fa\u790e\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\uff0c\u8b93\u6211\u5011\u8a2d\u5b9a\u5e36SSL\u7684Nginx\u7db2\u9801\u4f3a\u670d\u5668\uff1a<\/p>\n

# Install and configure Nginx\r\nsudo apt install nginx\r\nsudo systemctl enable nginx\r\nsudo systemctl start nginx\r\n\r\n# Install Certbot for SSL\r\nsudo apt install certbot python3-certbot-nginx\r\nsudo certbot --nginx -d yourdomain.com<\/code><\/pre>\n
\u5c0d\u65bc\u8cc7\u6599\u5eab\u670d\u52d9\uff0c\u4f7f\u7528\u6700\u4f73\u5316\u8a2d\u5b9a\u5be6\u65bdMariaDB\uff1a<\/p>\n
# Install MariaDB\r\nsudo apt install mariadb-server\r\nsudo mysql_secure_installation\r\n\r\n# Optimize for performance\r\nsudo nano \/etc\/mysql\/mariadb.conf.d\/50-server.cnf\r\ninnodb_buffer_pool_size = 4G\r\ninnodb_log_file_size = 512M\r\ninnodb_flush_method = O_DIRECT\r\nmax_connections = 500<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u6548\u80fd\u6700\u4f73\u5316\u548c\u76e3\u63a7<\/strong><\/h2>\n
\u4f7f\u7528Prometheus\u548cnode_exporter\u5be6\u65bd\u5168\u9762\u76e3\u63a7\uff0c\u7372\u53d6\u5373\u6642\u4f3a\u670d\u5668\u6307\u6a19\uff1a<\/p>\n
# Install node_exporter\r\nwget https:\/\/github.com\/prometheus\/node_exporter\/releases\/download\/v1.6.1\/node_exporter-1.6.1.linux-amd64.tar.gz\r\ntar xvf node_exporter-1.6.1.linux-amd64.tar.gz\r\ncd node_exporter-1.6.1.linux-amd64\r\nsudo cp node_exporter \/usr\/local\/bin\/\r\n\r\n# Create systemd service\r\nsudo nano \/etc\/systemd\/system\/node_exporter.service\r\n[Unit]\r\nDescription=Node Exporter\r\nAfter=network.target\r\n\r\n[Service]\r\nUser=node_exporter\r\nExecStart=\/usr\/local\/bin\/node_exporter\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/code><\/pre>\n
\u91dd\u5c0d\u7cfb\u7d71\u6548\u80fd\u8abf\u6821\uff0c\u8abf\u6574\u4ee5\u4e0b\u6838\u5fc3\u53c3\u6578\uff1a<\/p>\n
# Add to \/etc\/sysctl.conf\r\nnet.ipv4.tcp_fin_timeout = 30\r\nnet.ipv4.tcp_keepalive_time = 1200\r\nnet.core.somaxconn = 65535\r\nnet.ipv4.tcp_max_syn_backlog = 65535\r\nvm.swappiness = 10<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u5099\u4efd\u548c\u707d\u96e3\u5fa9\u539f<\/strong><\/h2>\n
\u4f7f\u7528restic\u5be6\u65bd\u81ea\u52d5\u5316\u5099\u4efd\uff1a<\/p>\n
# Install restic\r\nsudo apt install restic\r\n\r\n# Initialize repository\r\nrestic init --repo \/path\/to\/backup\r\n\r\n# Create backup script\r\n#!\/bin\/bash\r\nrestic -r \/path\/to\/backup backup \/var\/www\r\nrestic -r \/path\/to\/backup backup \/etc\r\nrestic forget -r \/path\/to\/backup --keep-daily 7 --keep-weekly 4 --keep-monthly 6<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u8ca0\u8f09\u5e73\u8861\u8a2d\u5b9a<\/strong><\/h2>\n
\u5c0d\u65bc\u9ad8\u53ef\u7528\u6027\u4f3a\u670d\u5668\u79df\u7528\u8a2d\u7f6e\uff0c\u5be6\u65bdHAProxy\uff1a<\/p>\n
# Install HAProxy\r\nsudo apt install haproxy\r\n\r\n# Configure load balancing\r\nglobal\r\n    log \/dev\/log local0\r\n    maxconn 4096\r\n\r\nfrontend http_front\r\n    bind *:80\r\n    stats uri \/haproxy?stats\r\n    default_backend http_back\r\n\r\nbackend http_back\r\n    balance roundrobin\r\n    server server1 192.168.1.10:80 check\r\n    server server2 192.168.1.11:80 check<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u6545\u969c\u6392\u9664\u548c\u7dad\u8b77<\/strong><\/h2>\n
\u70ba\u4e86\u5be6\u73fe\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u7ba1\u7406\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u8a3a\u65b7\u6307\u4ee4\u53ca\u5176\u4f7f\u7528\u5834\u666f\uff1a<\/p>\n
# Network diagnostics\r\nnetstat -tulpn  # List all listening ports\r\ntcpdump -i eth0 # Monitor network traffic\r\niotop          # Monitor I\/O usage\r\nvmstat 1       # Virtual memory statistics\r\n\r\n# Performance analysis\r\nperf record -F 99 -p `pgrep process_name` -g -- sleep 60\r\nperf report    # Analyze performance bottlenecks<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/strong><\/h2>\n
\u4ee5\u4e0b\u662f\u89e3\u6c7a\u4f3a\u670d\u5668\u79df\u7528\u5e38\u898b\u554f\u984c\u7684\u7cfb\u7d71\u6027\u65b9\u6cd5\uff1a<\/p>\n
\n
CPU\u4f7f\u7528\u7387\u904e\u9ad8\uff1a\n
ps aux | sort -nk 3,3 | tail -n 5  # Find CPU-intensive processes\r\nnice -n 19 process_name  # Adjust process priority<\/code><\/pre>\n<\/li>\n
\u8a18\u61b6\u9ad4\u6d29\u6f0f\uff1a\n
valgrind --leak-check=full \/path\/to\/program\r\nfree -h  # Monitor memory usage<\/code><\/pre>\n<\/li>\n
\u78c1\u789f\u7a7a\u9593\u554f\u984c\uff1a\n
ncdu \/  # Interactive disk usage analyzer\r\nfind \/ -type f -size +100M -exec ls -lh {} \\;<\/code><\/pre>\n<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u5b9a\u671f\u7dad\u8b77\u8a08\u5283<\/strong><\/h2>\n
\u4f7f\u7528cron\u5de5\u4f5c\u5be6\u65bd\u4ee5\u4e0b\u6708\u5ea6\u7dad\u8b77\u6e05\u55ae\uff1a<\/p>\n
#!\/bin\/bash\r\n# System updates\r\napt update && apt upgrade -y\r\n\r\n# Log rotation\r\nlogrotate -f \/etc\/logrotate.conf\r\n\r\n# Database optimization\r\nmysqlcheck -o --all-databases\r\n\r\n# Security audit\r\nlynis audit system<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text css=””]<\/p>\n
\u7e3d\u7d50\u548c\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n
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\n
\u5728\u5404\u500b\u5c64\u9762\u5be6\u65bd\u5197\u9918<\/li>\n
\u7dad\u8b77\u8a73\u7d30\u6587\u4ef6<\/li>\n
\u5b9a\u671f\u5b89\u5168\u7a3d\u6838<\/li>\n
\u6548\u80fd\u57fa\u6e96\u6e2c\u8a66<\/li>\n
\u81ea\u52d5\u5316\u5099\u4efd\u9a57\u8b49<\/li>\n<\/ul>\n
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Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":18212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[4425,4424,1892,765,578],"class_list":["post-18220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-network-setup-tc","tag-lan-server-setup-tc","tag-server-hosting-tc","tag-server-configuration-tc","tag-network-security-tc"],"acf":[],"yoast_head":"\n