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@@ -19,6 +19,24 @@
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### :heart_eyes:Linux 简单命令工具和简易脚本
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<details>
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<summary>点击展开内容</summary>
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+
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+## grep ip 并计数
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+```
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+grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | sort | uniq -c| sort -nrk 1
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+
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+# 应用: 统计自己电信服务商IP动态变化
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+cat /var/log/udp2raw.log \
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+ | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | sort | uniq -c| sort -nrk 1
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+
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+# 统计哪些IP在扫描你的vps
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+cat /var/log/auth.log \
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+ | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | sort | uniq -c| sort -nrk 1
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+
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+# 查询IP信息
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+https://www.ipip.net/ipquery.html
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+```
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+
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+
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#### 一些表情例子 EMOJI
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- :smile: :laughing: :dizzy_face: :sob: :cold_sweat: :sweat_smile: :cry: :triumph: :heart_eyes: :relieved:
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