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基本的なコマンド

Posted at
  • 移動
mv /tmp/exp1/aaa /tmp/exp2/
  • ファイル作成
mkdir xxx
  • 差分比較
diff -r aaa bbb
  • ファイル削除
rm -r [ディレクトリ]
rm -r [ファイル]

# 強制的にディレクトリ削除
rm -rf [ディレクトリ] 
  • tail

リアルタイムでファイルの中身を表示できる。ログ監視とかで役に立つ

tail -f /var/log/httpd/xxxx/error_log

access.logで時間帯・ipアドレスごとにしぼる(top5)

grep '01/Feb/2017' access_log | cut -d " " -f 1 | sort -r | uniq -c | sort -n -r | head -5 
  • 検索
# 最終更新が2017/4 で、「abc」があるアクセスログ
zgrep "abc" access_log.* | grep Apr | grep 2017
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