{"id":5576,"date":"2013-09-05T09:50:20","date_gmt":"2013-09-05T01:50:20","guid":{"rendered":"http:\/\/jpuyy.com\/?p=5576"},"modified":"2013-09-05T09:50:35","modified_gmt":"2013-09-05T01:50:35","slug":"10-principles-to-avoid-breakdowns","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=5576","title":{"rendered":"\u8fdc\u79bb\u6545\u969c\u7684\u5341\u5927\u539f\u5219(\u8f6c\u81ea\u6c83\u8da3\u79d1\u6280)"},"content":{"rendered":"

\u539f\u6587\u7ae0\uff1ahttp:\/\/www.woqutech.com\/?p=714<\/a><\/p>\n

\u6545\u969c\u662f\u8fd0\u7ef4\u4eba\u5458\u6c38\u8fdc\u7684\u75db\u3002\u76f8\u4fe1\u6bcf\u4e00\u4e2a\u8fd0\u7ef4\u4eba\u5458\u7684KPI\u4e2d\u90fd\u6709\u4e00\u9879\uff1a\u53ef\u7528\u6027\u3002\u53ef\u7528\u6027\u9ad8\u5c31\u662f\u4e0d\u51fa\u6545\u969c\uff0c\u5404\u4e2a\u516c\u53f8\u5bf9\u53ef\u7528\u6027\u548c\u6545\u969c\u8bc4\u7ea7\u7684\u6807\u51c6\u90fd\u4e0d\u76f8\u540c\uff0c\u4f46\u662f\u907f\u514d\u6545\u969c\u7684\u65b9\u6cd5\u5374\u662f\u6b8a\u9014\u540c\u5f52\u3002\u6211\u4eec\u600e\u4e48\u907f\u514d\u6545\u969c\uff0c\u6c83\u8da3\u79d1\u6280\u7b80\u5355\u5217\u4e3e\u4e86\u4ee5\u4e0b\u51e0\u6761\uff0c\u4e0e\u5927\u5bb6\u5171\u52c9\uff01<\/p>\n

1\u3001\u53d8\u66f4\u8981\u6709\u56de\u6eda\uff0c\u5728\u540c\u6837\u7684\u73af\u5883\u6d4b\u8bd5\u8fc7<\/p>\n

2\u3001\u5bf9\u7834\u574f\u6027\u7684\u64cd\u4f5c\u8c28\u614e\u5c0f\u5fc3<\/p>\n

3\u3001\u8bbe\u7f6e\u597d\u547d\u4ee4\u63d0\u793a<\/p>\n

4\u3001\u5907\u4efd\u5e76\u9a8c\u8bc1\u5907\u4efd\u6709\u6548\u6027<\/p>\n

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8\u3001\u81ea\u52a8\u5207\u6362\u9700\u8c28\u614e<\/p>\n

9\u3001\u4ed4\u7ec6\u4e00\u70b9\uff0c\u504f\u6267\u4e00\u70b9\uff0c\u68c0\u67e5\uff0c\u68c0\u67e5\uff0c\u518d\u68c0\u67e5<\/p>\n

10\u3001\u7b80\u5355\u5373\u662f\u7f8e\u3002<\/p>\n

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\u3010\u8fdc\u79bb\u6545\u969c\u7684\u5341\u5927\u539f\u5219\u4e4b2\u3011\u5bf9\u7834\u574f\u6027\u7684\u64cd\u4f5c\u8c28\u614e\u5c0f\u5fc3\u3002<\/h1>\n

\u7834\u574f\u6027\u7684\u64cd\u4f5c\u6709\u54ea\u4e9b\u5217\uff1f\u5bf9\u6570\u636e\u5e93\u6765\u8bf4\u6709\uff1aDROP Table\uff0c\u00a0Drop database\uff0c\u00a0truncate table\uff0c\u00a0delete all data\uff1b\u8fd9\u4e9b\u64cd\u4f5c\u505a\u5b8c\u4e86\u4ee5\u540e\u51e0\u4e4e\u65e0\u6cd5\u8003\u8651\u600e\u4e48\u628a\u6570\u636e\u90fd\u56de\u6eda\u56de\u53bb\u4e86\u3002\u5c31\u7b97\u56de\u6eda\uff0c\u4ee3\u4ef7\u4e5f\u662f\u975e\u5e38\u5927\u7684\u3002\u4f60\u6267\u884c\u8fd9\u6837\u7684\u8bed\u53e5\u975e\u5e38\u7b80\u5355\uff0c\u4f46\u662f\u56de\u6eda\u6062\u590d\u6570\u636e\u7f3a\u975e\u5e38\u56f0\u96be\u3002linux\u7684\u547d\u4ee4rm\u53ef\u4ee5-r(recursive)\u9012\u5f52\u7684\u5220\u9664\u67d0\u4e00\u4e2a\u76ee\u5f55\uff0c-f(force)\u5f3a\u5236\u5220\u9664\uff0c\u4f46\u662f\u4f60\u6709\u6ca1\u6709\u5220\u9519\u8fc7\u6587\u4ef6\u3002\u6211\u4eec\u9047\u5230\u8fc7\u4e00\u4e2a\u6587\u4ef6\u540d\u4e2d\u672b\u5c3e\u6709\u7a7a\u683c\u7684\u60c5\u51b5\uff0c\u800c\u6709\u7684\u540c\u4e8brm -r\u4e60\u60ef\u6027\u7684\u4f1a\u5728\u6587\u4ef6\u540d\u540e\u9762\u52a0\uff0a\uff0c\u8fd9\u6837\u5c31\u6210\u4e86rm -r aa *\uff0c\u6240\u6709\u5f53\u524d\u76ee\u5f55\u7684\u6570\u636e\u90fd\u88ab\u5220\u9664\u6389\u4e86\uff01\u7ecf\u8fc7\u8fd9\u6b21\u6545\u969c\u4ee5\u540e\u6211\u4eec\u7ed9rm\u505a\u4e86\u522b\u540d\uff1a
\nalias rm=’rm -i –‘
\n\u8fd9\u6837\u5728\u5220\u9664\u6570\u636e\u65f6\uff0crm\u547d\u4ee4\u4f1a\u63d0\u793a\u4f60\uff0c\u662f\u5426\u786e\u8ba4\u5220\u9664\u8be5\u6587\u4ef6\u3002
\n\u540c\u6837\u7684cp\u548cmv\u4e5f\u53ef\u4ee5\u6709\u540c\u6837\u7684\u9009\u9879\uff1a
\nalias cp=’cp -i –‘
\nalias mv=’mv -i –‘<\/p>\n

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\u8ba9\u4f60\u65f6\u523b\u77e5\u9053\u4f60\u5728\u64cd\u4f5c\u54ea\u4e2a\u6570\u636e\u5e93\uff0c\u8ba9\u4f60\u77e5\u9053\u4f60\u5728\u54ea\u4e2a\u76ee\u5f55\u4e0b\u3002mysql\u5b57\u7b26\u5ba2\u6237\u7aef\u5141\u8bb8\u4f60\u8bbe\u7f6e\u63d0\u793a\u7b26\uff0c\u9ed8\u8ba4\u7684\u63d0\u793a\u7b26\u5c31\u662f\u4e00\u4e2a\u5149\u79c3\u79c3\u7684mysql >\uff0c\u4e3a\u4e86\u8ba9\u4f60\u6e05\u695a\u7684\u77e5\u9053\u4f60\u5f53\u524d\u662f\u4ee5\u54ea\u4e2a\u7528\u6237\u540d\uff0c\u54ea\u4e2aIP\uff08\u53ef\u80fd\u662flocalhost\uff0c127.0.0.1\u6216\u8005\u5177\u4f53\u7684\u7269\u7406IP\uff09\uff0c\u4f60\u5f53\u524d\u64cd\u4f5c\u7684\u662f\u54ea\u4e2aschema\uff0c\u4ee5\u53ca\u5f53\u524d\u7684\u65f6\u95f4\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u6570\u636e\u5e93\u7684\u63d0\u793a\u7b26\u4e3a\uff1aprompt=”\\\\u@\\\\h : \\\\d \\\\r:\\\\m:\\\\s>\u00a0<\/a>“\u3002\u5b83\u53ef\u4ee5\u76f4\u63a5\u5199\u5728my.cnf\u7684[mysql]\u4e0b\uff0c\u8fd9\u6837\u4f60\u6bcf\u6b21\u8fde\u4e0aMySQL\u5c31\u9ed8\u8ba4\u663e\u793a\u5982\u4e0b\uff1a\u00a0root@127.0.0.1<\/i><\/a>\u00a0: woqutech 08:24:36><\/i><\/p>\n

\u5177\u4f53prompt\u53ef\u4ee5\u8bbe\u7f6e\u54ea\u4e9b\u63d0\u793a\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003http:\/\/dev.mysql.com\/doc\/refman\/5.6\/en\/mysql-commands.html<\/a>\u00a0\u4e2d\u7684\u5217\u8868\uff0c\u800clinux\u547d\u4ee4\u63d0\u793a\u7b26\u4e5f\u5141\u8bb8\u4f60\u8bbe\u7f6e\u7684\u3002\u6709\u4e24\u4e2a\u5730\u65b9\u53ef\u4ee5\u8bbe\u7f6e\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\uff1aPS1\u3002\u8fd9\u4e2a\u662f\u6bcf\u6b21shell\u63d0\u793a\u4f60\u8f93\u5165\u547d\u4ee4\u7684\u4fe1\u606f\uff0c\u9ed8\u8ba4\u4e3a\uff1a$\u6216\u8005#\uff0c\u53ea\u4f1a\u63d0\u793a\u4f60\u662f\u8d85\u7ea7\u7528\u6237\u8fd8\u662f\u666e\u901a\u7528\u6237\u3002\u6709\u7ecf\u9a8c\u7684\u8fd0\u7ef4\u8005\u4f1a\u8bbe\u7f6eexport PS1=’\\n\\e[1;37m[\\e[m\\e[1;31m\\u\\e[m\\e[1;31m@\\e[m\\e[1;31m\\h\\e[m \\e[4m`pwd`\\e[m\\e[1;37m]\\e[m\\e[1;36m\\e[m\\n\\$’\u3002\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u77e5\u9053\u4f60\u5f53\u524d\u7684\u76ee\u5f55\uff0c\u767b\u5f55\u7684\u7528\u6237\u540d\u548c\u4e3b\u673a\u4fe1\u606f\u4e86\uff0c\u793a\u4f8b\u63d0\u793a\u7b26\u5982\u4e0b\uff1a
\n[root@woqu-lsv-01 \/home\/mysql]
\n#
\n<\/i>\u4f60\u53ef\u4ee5\u67e5\u770bhttp:\/\/www.cyberciti.biz\/tips\/howto-linux-unix-bash-shell-setup-prompt.html<\/a>\u83b7\u5f97\u5177\u4f53\u7684PS1\u8bbe\u7f6e\u989c\u8272\uff0c\u8bbe\u7f6e\u5404\u4e2a\u63d0\u793a\u5185\u5bb9\u7684\u4ecb\u7ecd\u3002<\/p>\n

\u7b2c\u4e8c\u4e2a\u63d0\u793a\u7b26\u5c31\u662fPROMPT_COMMAND\u3002\u8fd9\u4e2a\u662f\u8bbe\u7f6e\u4f60\u8fde\u5230\u5177\u4f53\u7684\u6570\u636e\u5e93\u4ee5\u540e\u6807\u7b7e\u9875\u6807\u9898\u4e0a\u663e\u793a\u7684\u5185\u5bb9\uff0cWindows\u7528\u6237\u53ef\u80fd\u4f1a\u7528securtCRT\uff0cMac\u7528\u6237\u53ef\u80fd\u4f1a\u7528iTerm2\uff0c\u5f00\u591a\u4e2a\u6807\u7b7e\u9875\u7684\u8bdd\uff0c\u5982\u679c\u6bcf\u4e2a\u6807\u7b7e\u9875\u7684\u6807\u9898\u4e0a\u5185\u5bb9\u4e00\u6837\uff0c\u6211\u4eec\u5207\u6765\u5207\u53bb\u5c31\u6709\u53ef\u80fd\u5728\u9519\u8bef\u7684\u6807\u7b7e\u9875\u4e0a\u505a\u64cd\u4f5c\uff0c\u8bbe\u7f6e\u4e86\u8fd9\u4e2a\u4ee5\u540e\uff0c\u8fd9\u4e2a\u95ee\u9898\u6982\u7387\u5c31\u4f1a\u5c0f\u5f88\u591a\u3002\u6bd4\u5982\u6211\u4eec\u7684\u673a\u5668\u4e0a\u8bbe\u7f6e\u4e3aPROMPT_COMMAND=’echo -ne “\\033]0;${USER}@${HOSTNAME%%.*}”; echo -ne “\\007″‘\u5bf9\u5e94\u7684\u6807\u7b7e\u9875\u5982\u4e0b\u56fe<\/p>\n

 <\/p>\n

\u3010\u8fdc\u79bb\u6545\u969c\u7684\u5341\u5927\u539f\u5219\u4e4b4\u3011\u5907\u4efd\u5e76\u9a8c\u8bc1\u5907\u4efd\u6709\u6548\u6027\u3002<\/h1>\n

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\u3010\u8fdc\u79bb\u6545\u969c\u7684\u5341\u5927\u539f\u5219\u4e4b5\u3011\u5bf9\u751f\u4ea7\u73af\u5883\u5b58\u6709\u656c\u754f\u4e4b\u5fc3\u3002<\/h1>\n

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\u6240\u4ee5\uff0c\u8fd0\u7ef4\u90e8\u95e8\u548c\u8fd0\u7ef4\u4eba\u5458\u5bf9\u53d8\u5316\u9700\u8981\u5c3d\u91cf\u653e\u5e73\u5fc3\u6001\uff1b\u63a5\u624b\u522b\u4eba\u7684\u5de5\u4f5c\u8981\u4e00\u800c\u518d\uff0c\u518d\u800c\u4e09\u7684\u786e\u8ba4\u53d8\u66f4\u65b9\u6848\u3002\u8bf7\u6559\u4eba\u5e76\u4e0d\u89c1\u5f97\u5c31\u662f\u80fd\u529b\u4e0d\u884c\u7684\u8868\u73b0\uff1b\u4f11\u5047\u524d\u6700\u597d\u5404\u79cd\u53ef\u4ee5\u505a\u597d\u7684\u4e8b\u60c5\uff0c\u6700\u597d\u80fd\u591f\u51c6\u5907\u4e00\u4efd\u6587\u6863\uff0c\u6307\u660e\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u600e\u4e48\u505a\u548c\u8054\u7cfb\u54ea\u4e9b\u4eba\u3002\u5728\u522b\u4eba\u653e\u5047\u7684\u65f6\u5019\u63a5\u624b\u5de5\u4f5c\uff0c\u201c\u80fd\u62d6\u5219\u62d6\u201d\uff0c\u5b9e\u5728\u9700\u8981\u6267\u884c\uff1a\u5fc5\u987b\u4e0d\u538c\u5176\u70e6\u7684\u8ddf\u539f\u8fd0\u7ef4\u8005\u786e\u8ba4\u5404\u4e2a\u64cd\u4f5c\u7ec6\u8282\u3002<\/p>\n

 <\/p>\n

\u3010\u8fdc\u79bb\u6545\u969c\u7684\u5341\u5927\u539f\u5219\u4e4b7\u3011\u642d\u5efa\u62a5\u8b66\uff0c\u53ca\u65f6\u83b7\u5f97\u51fa\u9519\u4fe1\u606f\u3002<\/h1>\n

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 <\/p>\n

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\u5177\u4f53prompt\u53ef\u4ee5\u8bbe\u7f6e\u54ea\u4e9b\u63d0\u793a\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003http:\/\/dev.mysql.com\/doc\/refman\/5.6\/en\/mysql-commands.html\u00a0\u4e2d\u7684\u5217\u8868\uff0c\u800clinux\u547d\u4ee4\u63d0\u793a\u7b26\u4e5f\u5141\u8bb8\u4f60\u8bbe\u7f6e\u7684\u3002\u6709\u4e24\u4e2a\u5730\u65b9\u53ef\u4ee5\u8bbe\u7f6e\u3002 \u7b2c\u4e00\u4e2a\uff1aPS1\u3002\u8fd9\u4e2a\u662f\u6bcf\u6b21shell\u63d0\u793a\u4f60\u8f93\u5165\u547d\u4ee4\u7684\u4fe1\u606f\uff0c\u9ed8\u8ba4\u4e3a\uff1a$\u6216\u8005#\uff0c\u53ea\u4f1a\u63d0\u793a\u4f60\u662f\u8d85\u7ea7\u7528\u6237\u8fd8\u662f\u666e\u901a\u7528\u6237\u3002\u6709\u7ecf\u9a8c\u7684\u8fd0\u7ef4\u8005\u4f1a\u8bbe\u7f6eexport PS1=’\\n\\e[1;37m[\\e[m\\e[1;31m\\u\\e[m\\e[1;31m@\\e[m\\e[1;31m\\h\\e[m 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