\u7f51\u7edc\u914d\u7f6e\u548c\u521d\u59cb\u8bbe\u7f6e<\/strong><\/h2>\n

\u57fa\u7840\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u914d\u7f6e\u60a8\u7684\u7f51\u7edc\u8bbe\u7f6e\u3002\u5bf9\u4e8e\u57fa\u4e8eDebian\/Ubuntu\u7684\u7cfb\u7edf\uff0c\u521b\u5efanetplan\u914d\u7f6e\uff1a<\/p>\n

# \/etc\/netplan\/01-netcfg.yaml\r\nnetwork:\r\n  version: 2\r\n  renderer: networkd\r\n  ethernets:\r\n    ens192:\r\n      dhcp4: no\r\n      addresses:\r\n        - 192.168.1.100\/24\r\n      gateway4: 192.168.1.1\r\n      nameservers:\r\n          addresses: [8.8.8.8, 8.8.4.4]<\/code><\/pre>\n
\u5b89\u5168\u52a0\u56fa\uff1a\u57fa\u672c\u6b65\u9aa4<\/strong><\/h2>\n
\u5b89\u88c5\u540e\u7acb\u5373\u5b9e\u65bd\u8fd9\u4e9b\u5173\u952e\u7684\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n
#!\/bin\/bash\r\n# \u57fa\u7840\u5b89\u5168\u5b9e\u65bd\u811a\u672c\r\n\r\n# \u66f4\u65b0\u7cfb\u7edf\r\napt update && apt upgrade -y\r\n\r\n# \u914d\u7f6eSSH\r\nsed -i 's\/#PermitRootLogin yes\/PermitRootLogin no\/' \/etc\/ssh\/sshd_config\r\nsed -i 's\/#PasswordAuthentication yes\/PasswordAuthentication no\/' \/etc\/ssh\/sshd_config\r\n\r\n# \u8bbe\u7f6eUFW\u9632\u706b\u5899\r\nufw default deny incoming\r\nufw default allow outgoing\r\nufw allow ssh\r\nufw enable\r\n\r\n# \u5b89\u88c5\u57fa\u672c\u5b89\u5168\u5de5\u5177\r\napt install -y fail2ban rkhunter lynis\r\nsystemctl enable fail2ban\r\nsystemctl start fail2ban<\/code><\/pre>\n
\u8bf7\u8bb0\u4f4f\uff0c\u8fd9\u4e9b\u5b89\u5168\u914d\u7f6e\u4ec5\u4f5c\u4e3a\u57fa\u51c6\uff0c\u5e94\u6839\u636e\u60a8\u7684\u5177\u4f53\u670d\u52a1\u5668\u8981\u6c42\u548c\u5a01\u80c1\u6a21\u578b\u8fdb\u884c\u5b9a\u5236\u3002<\/p>\n
\u6027\u80fd\u4f18\u5316\u548c\u8c03\u4f18<\/strong><\/h2>\n
\u5b89\u88c5\u540e\uff0c\u901a\u8fc7\u5185\u6838\u53c2\u6570\u548c\u7cfb\u7edf\u914d\u7f6e\u4f18\u5316\u670d\u52a1\u5668\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u751f\u4ea7\u7ea7\u522b\u7684\u793a\u4f8b\uff1a<\/p>\n
# \/etc\/sysctl.conf \u4f18\u5316\r\n# \u589e\u5f3a\u7f51\u7edc\u6027\u80fd\r\nnet.ipv4.tcp_fin_timeout = 15\r\nnet.ipv4.tcp_keepalive_time = 1200\r\nnet.ipv4.tcp_max_syn_backlog = 8192\r\nnet.ipv4.tcp_rmem = 4096 87380 16777216\r\nnet.ipv4.tcp_wmem = 4096 65536 16777216\r\n\r\n# \u865a\u62df\u5185\u5b58\u4f18\u5316\r\nvm.swappiness = 10\r\nvm.vfs_cache_pressure = 50\r\nvm.dirty_ratio = 80\r\nvm.dirty_background_ratio = 5\r\n\r\n# \u6587\u4ef6\u7cfb\u7edf\u4f18\u5316\r\nfs.file-max = 2097152\r\nfs.nr_open = 1048576<\/code><\/pre>\n
\u76d1\u63a7\u548c\u7ef4\u62a4\u8bbe\u7f6e<\/strong><\/h2>\n
\u4f7f\u7528Prometheus\u548cNode Exporter\u5b9e\u65bd\u7a33\u5065\u7684\u76d1\u63a7\u7cfb\u7edf\uff1a<\/p>\n
# \u5b89\u88c5Node Exporter\r\nwget https:\/\/github.com\/prometheus\/node_exporter\/releases\/download\/v1.3.1\/node_exporter-1.3.1.linux-amd64.tar.gz\r\ntar xvf node_exporter-1.3.1.linux-amd64.tar.gz\r\ncd node_exporter-1.3.1.linux-amd64\r\n\r\n# \u521b\u5efasystemd\u670d\u52a1\r\ncat << EOF > \/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\nType=simple\r\nExecStart=\/usr\/local\/bin\/node_exporter\r\n\r\n[Install]\r\nWantedBy=multi-user.target\r\nEOF\r\n\r\nsystemctl daemon-reload\r\nsystemctl enable node_exporter\r\nsystemctl start node_exporter<\/code><\/pre>\n
\u5907\u4efd\u7b56\u7565\u5b9e\u65bd<\/strong><\/h2>\n
\u4f7f\u7528restic\u914d\u7f6e\u81ea\u52a8\u5907\u4efd\uff1a<\/p>\n
#!\/bin\/bash\r\n# \u521d\u59cb\u5316restic\u5b58\u50a8\u5e93\r\nexport AWS_ACCESS_KEY_ID='your-access-key'\r\nexport AWS_SECRET_ACCESS_KEY='your-secret-key'\r\nexport RESTIC_PASSWORD='your-backup-password'\r\n\r\n# \u5907\u4efd\u811a\u672c\r\nrestic -r s3:s3.amazonaws.com\/bucket-name backup \\\r\n    --exclude-file=\/etc\/backup-exclude \\\r\n    \/etc \\\r\n    \/var\/www \\\r\n    \/home \\\r\n    \/root\r\n\r\n# \u4ec5\u4fdd\u7559\u6700\u8fd17\u5929\u7684\u6bcf\u65e5\u5907\u4efd\u30014\u5468\u7684\u6bcf\u5468\u5907\u4efd\u548c6\u4e2a\u6708\u7684\u6bcf\u6708\u5907\u4efd\r\nrestic forget --keep-daily 7 --keep-weekly 4 --keep-monthly 6 --prune<\/code><\/pre>\n
\u5e38\u89c1\u95ee\u9898\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u4ee5\u4e0b\u662f\u7528\u4e8e\u5b89\u88c5\u540e\u5e38\u89c1\u95ee\u9898\u7684\u8bca\u65ad\u811a\u672c\uff1a<\/p>\n
#!\/bin\/bash\r\n# \u7cfb\u7edf\u8bca\u65ad\u811a\u672c\r\necho \"\u6b63\u5728\u8fd0\u884c\u7cfb\u7edf\u8bca\u65ad...\"\r\n\r\n# \u68c0\u67e5\u78c1\u76d8\u7a7a\u95f4\r\ndf -h\r\n\r\n# \u68c0\u67e5\u7cfb\u7edf\u8d1f\u8f7d\r\nuptime\r\n\r\n# \u68c0\u67e5\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\r\nfree -m\r\n\r\n# \u68c0\u67e5\u5931\u8d25\u7684\u670d\u52a1\r\nsystemctl list-units --failed\r\n\r\n# \u68c0\u67e5\u7cfb\u7edf\u65e5\u5fd7\r\njournalctl -p err..alert -n 50 --no-pager<\/code><\/pre>\n
\u6700\u4f73\u5b9e\u8df5\u548c\u9ad8\u7ea7\u6280\u5de7<\/strong><\/h2>\n
\u6839\u636e\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u7684\u4e30\u5bcc\u7ecf\u9a8c\uff0c\u4ee5\u4e0b\u662f\u533a\u5206\u4e13\u4e1a\u5b89\u88c5\u548c\u4e1a\u4f59\u8bbe\u7f6e\u7684\u5173\u952e\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n
\n
\u6839\u636e\u5b58\u50a8\u7c7b\u578b\u5b9e\u65bd\u78c1\u76d8I\/O\u8c03\u5ea6\u4f18\u5316\uff1a\n
# \u5bf9\u4e8e\u56fa\u6001\u786c\u76d8\r\necho \"noop\" > \/sys\/block\/sda\/queue\/scheduler\r\n\r\n# \u5bf9\u4e8e\u4f20\u7edf\u786c\u76d8\r\necho \"deadline\" > \/sys\/block\/sda\/queue\/scheduler<\/code><\/pre>\n<\/li>\n
\u914d\u7f6e\u6b63\u786e\u7684\u65f6\u95f4\u540c\u6b65\uff1a\n
# \/etc\/systemd\/timesyncd.conf\r\n[Time]\r\nNTP=pool.ntp.org\r\nFallbackNTP=0.pool.ntp.org 1.pool.ntp.org\r\nRootDistanceMaxSec=5\r\nPollIntervalMinSec=32\r\nPollIntervalMaxSec=2048<\/code><\/pre>\n<\/li>\n<\/ul>\n
\u6062\u590d\u548c\u56de\u6eda\u8ba1\u5212<\/strong><\/h2>\n
\u4f7f\u7528LVM\u521b\u5efa\u57fa\u4e8e\u5feb\u7167\u7684\u6062\u590d\u7cfb\u7edf\uff1a<\/p>\n
# \u521b\u5efaLVM\u5feb\u7167\r\nlvcreate -L10G -s -n root_snapshot \/dev\/vg0\/root\r\n\r\n# \u9700\u8981\u65f6\u4ece\u5feb\u7167\u6062\u590d\r\nlvconvert --merge \/dev\/vg0\/root_snapshot\r\n\r\n# \u81ea\u52a8\u5feb\u7167\u8f6e\u6362\u811a\u672c\r\n#!\/bin\/bash\r\n# \u7ef4\u62a4\u6eda\u52a8\u5feb\u7167\r\nDATE=$(date +%Y%m%d)\r\nlvcreate -L10G -s -n \"root_snapshot_$DATE\" \/dev\/vg0\/root\r\nlvremove -f \/dev\/vg0\/root_snapshot_$(date -d \"7 days ago\" +%Y%m%d)<\/code><\/pre>\n
\u7ed3\u8bba\u548c\u672a\u6765\u8003\u8651<\/strong><\/h2>\n
\u6210\u529f\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u9700\u8981\u5c06\u6280\u672f\u4e13\u957f\u4e0e\u5468\u5bc6\u8ba1\u5212\u76f8\u7ed3\u5408\u7684\u7cfb\u7edf\u65b9\u6cd5\u3002\u65e0\u8bba\u60a8\u662f\u5728\u7ba1\u7406\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u8fd8\u662f\u914d\u7f6e\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u5668\uff0c\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u539f\u5219\u90fd\u4e3a\u60a8\u7684\u90e8\u7f72\u7b56\u7565\u63d0\u4f9b\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002\u8bf7\u8bb0\u4f4f\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\u548c\u65b0\u7684\u5b89\u5168\u8003\u8651\u56e0\u7d20\u7684\u51fa\u73b0\uff0c\u5b9a\u671f\u5ba1\u67e5\u548c\u66f4\u65b0\u60a8\u7684\u5b89\u88c5\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f15\u8a00\uff1a\u6b63\u786e\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u7684\u91cd\u8981\u6027 \u5728\u7f8e\u56fd\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u64cd\u4f5c\u7cfb\u7edf\u4e0d\u4ec5\u4ec5\u662f\u6309\u7167\u4e00\u7cfb\u5217\u6307\u4ee4\u64cd\u4f5c – \u8fd9\u662f\u670d\u52a1\u5668\u6027\u80fd\u3001\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u7684\u91cd\u8981\u57fa\u7840\u3002\u65e0\u8bba\u60a8\u662f\u5728\u7ba1\u7406\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8fd8\u662f\u914d\u7f6e\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u5668\uff0c\u6b63\u786e\u7684\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u90fd\u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u7684\u7a33\u5065\u6027\u548c\u95ee\u9898\u7684\u4ea7\u751f\u3002\u672c\u7efc\u5408\u6307\u5357\u5c06\u5f15\u5bfc\u60a8\u5b8c\u6210\u6210\u529f\u5b89\u88c5\u7f8e\u56fd\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u7684\u57fa\u672c\u6b65\u9aa4\u3001\u9ad8\u7ea7\u6280\u672f\u548c\u5173\u952e\u6ce8\u610f\u4e8b\u9879\u3002 \u5b89\u88c5\u524d\u51c6\u5907\uff1a\u642d\u5efa\u57fa\u7840 \u5728\u5f00\u59cb\u5b89\u88c5\u8fc7\u7a0b\u4e4b\u524d\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a \u786c\u4ef6\u517c\u5bb9\u6027\u5206\u6790 RAID\u914d\u7f6e\u89c4\u5212 \u7f51\u7edc\u63a5\u53e3\u6587\u6863 \u5b89\u88c5\u4ecb\u8d28\u9a8c\u8bc1 \u8ba9\u6211\u4eec\u9996\u5148\u4f7f\u7528\u8fd9\u4e2a\u5b9e\u7528\u7684\u6e05\u5355\u6765\u68c0\u67e5\u786c\u4ef6\u8981\u6c42\u9a8c\u8bc1\u8fc7\u7a0b\uff1a #!\/bin\/bash # \u670d\u52a1\u5668\u786c\u4ef6\u9a8c\u8bc1\u811a\u672c echo “\u5f00\u59cb\u786c\u4ef6\u9a8c\u8bc1…” # \u68c0\u67e5CPU\u4fe1\u606f echo “CPU\u4fe1\u606f:” lscpu | grep “Model name” lscpu | grep “CPU(s):” # \u68c0\u67e5\u5185\u5b58 echo -e “\\n\u5185\u5b58\u4fe1\u606f:” free -h # \u68c0\u67e5\u5b58\u50a8\u8bbe\u5907 echo -e “\\n\u5b58\u50a8\u4fe1\u606f:” lsblk # \u68c0\u67e5\u7f51\u7edc\u63a5\u53e3 echo -e “\\n\u7f51\u7edc\u63a5\u53e3:” ip addr show \u5b89\u88c5\u8fc7\u7a0b\uff1a\u9010\u6b65\u5b9e\u65bd \u5b9e\u9645\u5b89\u88c5\u8fc7\u7a0b\u9700\u8981\u7ec6\u81f4\u5165\u5fae\u7684\u5173\u6ce8\u3002\u8ba9\u6211\u4eec\u5206\u89e3\u4e13\u6ce8\u4e8e\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u5668\u73af\u5883\u7684\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u5173\u952e\u9636\u6bb5\u3002 BIOS\u914d\u7f6e \u9996\u5148\uff0c\u8bbf\u95ee\u670d\u52a1\u5668\u7684BIOS\uff08\u901a\u5e38\u5728\u542f\u52a8\u65f6\u901a\u8fc7F2\u6216Delete\u952e\uff09\uff0c\u5e76\u914d\u7f6e\u4ee5\u4e0b\u57fa\u672c\u8bbe\u7f6e\uff1a # […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":20949,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[5513,5514,5515,5512,353],"class_list":["post-20952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-system-configuration-sc","tag-us-server-setup-sc","tag-bios-configuration-sc","tag-us-server-os-installation-sc","tag-server-rental-sc"],"acf":[],"yoast_head":"\n