添加 READM.txt
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#curl -s 127.0.0.1:9091/metrics | grep node_textfile_scrape_error
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验证prom文件是否有格式问题
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#node_exporter 配置文件
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# 1. 强制覆盖 service 文件
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cat > /etc/systemd/system/node_exporter.service << 'EOF'
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[Unit]
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Description=Node Exporter
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After=network.target
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[Service]
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User=root
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ExecStart=/usr/local/bin/node_exporter --collector.textfile.directory=/opt/prom_textfile
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Restart=always
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[Install]
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WantedBy=multi-user.target
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EOF
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# 2. 必须重新加载配置
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systemctl daemon-reload
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# 3. 强制重启
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systemctl stop node_exporter
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sleep 2
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systemctl start node_exporter
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# 4. 检查是否真的带了 textfile 参数
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ps aux | grep node_exporter
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第一步:先生成密钥(必须先做!)
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打开 PowerShell,直接运行这条命令,全程按 3 次回车,什么都不用输入:
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powershell
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ssh-keygen -t rsa
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✅ 出现下面的文字就成功了:
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plaintext
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Generating public/private rsa key pair.
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第二步:再运行这条授权命令(这次一定成功)
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powershell
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Get-Content ~/.ssh/id_rsa.pub | ssh root@10.150.117.190 "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"
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运行后只需要输入一次 Linux 密码,以后永远不用再输!
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