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      "body": "Which city is this",
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      "title": "2023年4月4日，下班车祸，右腿髌骨粉碎性骨折",
      "body": "2023年4月4日，下班车祸，右腿髌骨粉碎性骨折，4.5住院，4.10手术，4.25出院。\n人生第一次。\n不，上手术台已经不是第一次了，这是第三次。还有第四次。\n这期间承受着心理和身体上的压力，并持续到现在。\n出院前期，右腿膝盖不能弯曲，到现在基本全角弯曲，鬼知道我经历了什么。\n已经做好心里准备即将到来的创伤性关节炎等一系列的问题。\n等我的还有医疗理赔和公司工伤的扯皮。\n\n\n![1.jpg](https://cdn.steemitimages.com/DQmXj7VMEmLRThapcNb2QAB2Bste5EXqFYpw6xmrVHmwcos/1.jpg)\n![2.jpg](https://cdn.steemitimages.com/DQmRK2ARf5MxoXV2XRNn3Rz8a5qJq9SRXo6BbxzS9ffbGqL/2.jpg)",
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      "parent_permlink": "hive-180932",
      "author": "tengyue",
      "permlink": "242gkf",
      "title": "自制酸汤肥牛",
      "body": "# 酸汤肥牛\n\n> 经朋友介绍，我今天做了一次酸汤肥牛，自制的。\n\n## 二话不说先上图\n\n<img src=\"https://raw.githubusercontent.com/ty68/image_bed/main/images/20210425211206.jpg\" style=\"zoom:33%;\" />\n\n<img src=\"https://raw.githubusercontent.com/ty68/image_bed/main/images/20210425213610.jpg\" style=\"zoom:33%;\" />\n\n<img src=\"https://raw.githubusercontent.com/ty68/image_bed/main/images/20210425213653.jpg\" style=\"zoom:33%;\" />\n\n<img src=\"https://raw.githubusercontent.com/ty68/image_bed/main/images/20210425213731.jpg\" style=\"zoom: 50%;\" />\n\n<img src=\"https://raw.githubusercontent.com/ty68/image_bed/main/images/20210425211235.jpg\" alt=\"1b78f8849c84462cc3961a05c3f6445\" style=\"zoom: 33%;\" />\n\n \n\n## 原料\n\n1. 半斤生牛肉，让老板用机器切好，下次买盒装的，机器且的有点厚。\n2. 莴笋半根\n3. 金针菇一把。\n4. 葱姜蒜、花椒\n5. 一根尖椒。\n6. 一袋老坛酸菜方便面（主要是酸菜包和调料包）\n\n## 步骤\n\n1. 煮辅菜\n\n   首先把切好的莴笋放入烧开的水中煮5分钟，然后放入洗好的金针菇，半分钟全部捞出锅放入盆中，备用\n\n2. 起锅烧油\n\n   将切好的葱姜蒜放入油中，超出香味儿，放入老坛酸菜方便面酸菜包，继续翻炒，炒匀。\n\n3. 加水\n\n   水量刚好可以没过牛肉即可，加入盐包和蔬菜包，拌匀，等水开。\n\n4. 放入牛肉和酱料包\n\n   水开后，将方便面中的酱料放入锅中，然后放入已切成薄片的牛肉，切记牛肉不能煮时间过长，一分半中即可，然后出锅。\n\n5. 倒入盆中\n\n   将煮好的肥牛倒入第一步准备好的辅菜盆中，将切好丝儿的尖叫撒到肥牛表面。\n\n6. 烧油\n\n   再次起锅烧油，加入花椒，炒至黑色，有花椒香味，将油和花椒一起浇到准备好的肥牛表面上，激发出肉和尖椒的香味。大功告成！\n\n## 经验\n\n1. 水要少放，否则会冲淡味道\n2. 牛肉煮的时间一定不能过长，否则发硬。\n3. 莴笋要煮的时间长一点。\n4. 金针菇可以多加一点，好吃。",
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      "parent_permlink": "yum",
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      "permlink": "centos-yum",
      "title": "centos老版本如何更新yum源",
      "body": "> centos系统老版本的yum源官方会定期结束维护，如果还想使用老系统并且使用yum源，需要修改为centos-vault的源。\n\n这里以centos6.10为例。\n\n* 备份原来的repo文件\n```\n# cp /etc/yum.repos.d/CentOS-Base.repo{.bak}\n```\n* 将如下代码贴进新的repo文件：\n```\n# CentOS-Base.repo\n#\n# The mirror system uses the connecting IP address of the client and the\n# update status of each mirror to pick mirrors that are updated to and\n# geographically close to the client.  You should use this for CentOS updates\n# unless you are manually picking other mirrors.\n#\n# If the mirrorlist= does not work for you, as a fall back you can try the\n# remarked out baseurl= line instead.\n#\n#\n\n[base]\nname=CentOS-$releasever - Base - mirrors.aliyun.com\nfailovermethod=priority\nbaseurl=http://mirrors.aliyun.com/centos-vault/6.10/os/$basearch/\n        http://mirrors.aliyuncs.com/centos-vault/6.10/os/$basearch/\n        http://mirrors.cloud.tencent.com/centos/$releasever/os/$basearch/\n        http://mirrors.tencentyun.com/centos/$releasever/os/$basearch/\n#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os\ngpgcheck=1\ngpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6\n\n#released updates\n[updates]\nname=CentOS-$releasever - Updates - mirrors.aliyun.com\nfailovermethod=priority\nbaseurl=http://mirrors.aliyun.com/centos-vault/6.10/updates/$basearch/\n        http://mirrors.aliyuncs.com/centos-vault/6.10/updates/$basearch/\n        http://mirrors.cloud.tencent.com/centos/$releasever/updates/$basearch/\n        http://mirrors.tencentyun.com/centos/$releasever/updates/$basearch/\n#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates\ngpgcheck=1\ngpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6\n\n#additional packages that may be useful\n[extras]\nname=CentOS-$releasever - Extras - mirrors.aliyun.com\nfailovermethod=priority\nbaseurl=http://mirrors.aliyun.com/centos-vault/6.10/extras/$basearch/\n        http://mirrors.aliyuncs.com/centos-vault/6.10/extras/$basearch/\n        http://mirrors.cloud.tencent.com/centos/$releasever/extras/$basearch/\n        http://mirrors.tencentyun.com/centos/$releasever/extras/$basearch/\n#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras\ngpgcheck=1\ngpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6\n\n#additional packages that extend functionality of existing packages\n[centosplus]\nname=CentOS-$releasever - Plus - mirrors.aliyun.com\nfailovermethod=priority\nbaseurl=http://mirrors.aliyun.com/centos-vault/6.10/centosplus/$basearch/\n        http://mirrors.aliyuncs.com/centos-vault/6.10/centosplus/$basearch/\n        http://mirrors.cloud.tencent.com/centos/$releasever/centosplus/$basearch/\n        http://mirrors.tencentyun.com/centos/$releasever/centosplus/$basearch/\n#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus\ngpgcheck=1\nenabled=0\ngpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6\n\n#contrib - packages by Centos Users\n[contrib]\nname=CentOS-$releasever - Contrib - mirrors.aliyun.com\nfailovermethod=priority\nbaseurl=http://mirrors.aliyun.com/centos-vault/6.10/contrib/$basearch/\n        http://mirrors.aliyuncs.com/centos-vault/6.10/contrib/$basearch/\n        http://mirrors.cloud.tencent.com/centos/$releasever/contrib/$basearch/\n        http://mirrors.tencentyun.com/centos/$releasever/contrib/$basearch/\n#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib\ngpgcheck=1\nenabled=0\ngpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6\n\n```\n* 清除就缓存，建立新缓存\n```\n# yum clean all\nLoaded plugins: security\nCleaning repos: base extras updates\nCleaning up Everything\n\n# yum makecache\nLoaded plugins: security\nbase                                                                                                  | 3.7 kB     00:00\nbase/group_gz                                                                                         | 242 kB     00:00\nbase/filelists_db                                                                                     | 6.4 MB     00:01\nbase/primary_db                                                                                       | 4.7 MB     00:01\nbase/other_db                                                                                         | 2.8 MB     00:00\nextras                                                                                                | 3.4 kB     00:00\nextras/filelists_db                                                                                   |  24 kB     00:00\nextras/prestodelta                                                                                    | 2.2 kB     00:00\nextras/primary_db                                                                                     |  29 kB     00:00\nextras/other_db                                                                                       |  14 kB     00:00\nupdates                                                                                               | 3.4 kB     00:00\nupdates/filelists_db                                                                                  | 8.4 MB     00:02\nupdates/prestodelta                                                                                   | 357 kB     00:00\nupdates/primary_db                                                                                    |  12 MB     00:03\nupdates/other_db                                                                                      | 479 kB     00:00\n\n#yum makecache\n```",
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      "title": "小孩子上小学一年级，快要把人急死了，怎么办？",
      "body": "现在的小孩子，感觉学习怎么那么难呢？\n我是80后，我们那时候上小学时什么状况我已经记不清了。\n但是绝没有像现在的小孩子那样放学后写作业是如此的困难。\n现代社会通讯如此发达，难道小孩子的智商都退化了吗？我不曾记得我上小学时写作业会如此的困难。\n或者是现在的小学一年级要学的知识已经远远超出了我们那个年代的知识量。\n或者现在的教育方式和教育水平或者说老师的水平有很大的不一样吧\n现在的小学老师是不是都很年轻呢？至少我家小朋友的班主任就很年轻，而且入学那天并没有看到年纪大的老师。。。\n不知道现在的老师的责任心是否跟我们那个年代一样呢？\n或者现在的小孩子的生活水平提高了，诱惑他们的东西太多？抖音/快手，各种手机游戏又或者什么，导致他们的精力分散呢？\n反正我绝的现在的小孩子不如我们年代的孩子好管教。\n或者也和家庭环境有关吧。\n我和他妈妈每周才能回家一次，在外工作，并不能每天照顾小孩的学习和生活，也感觉到对他的亏欠，但是为了生活也没有办法。\n有的时候也会想：眼不见心不烦，但是每每不管是通过网络视频还是照片看到小朋友，心里的亏欠就会有如潮涌般涌来。\n家里只有老母照顾小孙子。老母亲没有文化，不能辅导小孩。也不知道长期这样下去会如何。\n\n![a.jpg](https://cdn.steemitimages.com/DQmfJ6RfRJ3aKngFDcKDnMjxRaPGQgKQAEYQ2YfLCXeZam8/a.jpg)\n\n\n![v.jpg](https://cdn.steemitimages.com/DQmVBXgSjn7kGkZ2vFu1iU78NWtagst15G7dgNe9kYgcP1c/v.jpg)",
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      "title": "",
      "body": "Congratulations @tengyue! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :\n\n<table><tr><td>https://steemitimages.com/60x70/http://steemitboard.com/@tengyue/votes.png?201904300905</td><td>You made more than 10 upvotes. Your next target is to reach 50 upvotes.</td></tr>\n</table>\n\n<sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@tengyue) and compare to others on the [Steem Ranking](http://steemitboard.com/ranking/index.php?name=tengyue)_</sub>\n<sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>\n\n\n\n###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!",
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      "parent_author": "",
      "parent_permlink": "life",
      "author": "tengyue",
      "permlink": "5stukp",
      "title": "参观北京自然博物馆",
      "body": "之前无数次路过自然博物馆，今天终于有机会陪儿子参观一下！！！\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_143316-768x1024.jpg)\n据说有活恐龙！！！\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_135852-1-768x576.jpg)\n小孩子很兴奋啊\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_140430-1-768x1024.jpg)\n看着眼前如此巨大的怪兽，小孩儿被吓的哇哇叫，哈哈\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_134540-768x1024.jpg)\n真的很大，还会动。\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_135807-768x576.jpg)\n一只小恐龙，可爱吗？\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_134601-768x1024.jpg)\n看着这么多种类的恐龙，他也只能胡乱的告诉我：这是xxx龙，这是yyy龙。。。。。。\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_140430-768x1024.jpg)\n恐龙的繁盛！曾经的地球霸主！\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_140507-768x1024.jpg)\n大海龟！儿子还没见过大海呢！\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_141631-768x1024.jpg)\n好多鱼！\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_141823-768x1024.jpg)\n这只熊大是白色的，咦? 熊二呢？\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_142401-768x1024.jpg)\n人之由来？是猴子变的吗？\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_142915-768x1024.jpg)\n原始人类怎么生活啊？也用支付宝购物吗？\n![](http://blog.tengyue.info/wp-content/uploads/2019/03/IMG_20190316_142934-768x1024.jpg)\n2019年3月16日，儿子，妻子和我！",
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      "author": "partiko",
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      "title": "",
      "body": "Hello @tengyue! This is a friendly reminder that you have 3000 Partiko Points unclaimed in your Partiko account!\n\nPartiko is a fast and beautiful mobile app for Steem, and it’s the most popular Steem mobile app out there! Download Partiko using the link below and login using SteemConnect to claim your 3000 Partiko points! You can easily convert them into Steem token!\n\nhttps://partiko.app/referral/partiko\n\n![](https://d1vof77qrk4l5q.cloudfront.net/statics/partiko-poster-best-steem-app-for-your-phone.jpg)",
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      "body": "这样写也行：\n```\nwith open('C:/Users/tengy/Desktop/aaa.txt',encoding='UTF-8') as f:\n    print(f.read())\n```",
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      "body": "代码:\n> with open('C:\\Users\\tengy\\Desktop\\aaa.txt') as f:\n    print(f.read())\n\n问题1、运行一段python代码，读取一个文件报错：UnicodeDecodeError: 'gbk' codec can't decode byte 0x80 in position 205: illegal multibyte sequence\n解决：\n```with open('C:\\Users\\tengy\\Desktop\\aaa.txt', encoding='UTF-8') as f:```\n\n\n问题2、SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \\UXXXXXXXX escape\n解决: \n 由于我用的windows系统，所以路径中的斜杠需要转义：\n```\nwith open('C:\\\\Users\\\\tengy\\\\Desktop\\\\aaa.txt',encoding='UTF-8') as f:\n    print(f.read())\n```",
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      "body": "是的，保险并非一点用途都没有，有时候真的会起到大作用。但是，如果人家已经反复表示不想买还一直推销，并且言语也不讲究一点艺术，那么真的很招人烦了😀\n\n我们一个小圈子里的朋友，都表示受不了她了😰",
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      "body": "我的一个半亲不亲的亲戚，做保险的，你懂的，推销保险那一套吧，都一样的，在她的弃而不舍的精神之下买了一大堆保险，渐渐的也很厌烦。但是，我要说的是我‘中奖了’，“果然”生了一场大病，保险公司赔付的十几万。我不知道我是该庆幸呢，还是改庆幸呢。保险这个东西，我知道是有用的，也是一种理财方式。但是也要量力而行吧。否则保险费用就负担不起。",
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      "body": "> 在linux在做路由跟踪时，在某一跳出问题时，并不知道是哪里的ISP有问题，在找到中断ip后必去查该ip的ISP才知道哪里路由有问题，但是每次查找都很麻烦，所以想在得出路由跟踪ip后直接查找ip的ISP并显示出来多好啊，IP库使用taobao的API接口。\n```\n![](https://steemitimages.com/DQmWnYJAFpFwpTZvrsRwQbGVuWzVhH34G6xMGaagZURz5Ba/image.png)\n[root@salt ~]# cat ip.py \n#!/usr/bin/python\nimport json,os,sys,socket,urllib2\n\nipadd=sys.argv[1]\nosname=socket.gethostname()\nst1='mtr -n -i 0.3 -c 10 -r -w'+' '+ ipadd+' '+'> /tmp/ipres'\n\ndef GetIp(o):\n    respone=urllib2.urlopen('http://ip.taobao.com/service/getIpInfo.php?ip='+o)\n    t=respone.read()\n    data=json.loads(t)\n    return data['data']['country'],data['data']['city'],data['data']['isp']\n\nos.system(st1)\nfp=open('/tmp/ipres')\nprint 'HOST: ' + osname + '           Loss%   Snt   Last   Avg  Best  Wrst StDev        ISP'\nfor i in fp.readlines()[1:]:\n    t=i.strip()\n    for p in i.strip().split()[1:2]:\n        if p == '???':\n            x='Forbid ICMP detect '\n            print t + '    ' + x\n        elif p == '`|--':\n            del p\n        elif p == '|--':\n            del p\n        else:\n            z,x,y=GetIp(p)\n            if z == 'IANA':\n                z='internet IP'\n            print t + '    ' + z + x + y\nfp.close()\nos.remove('/tmp/ipres')\n\n\n```\n源自：http://www.codeweblog.com/python2-7-mtr%E8%B7%AF%E7%94%B1%E8%B7%9F%E8%B8%AA%E8%A7%A3%E6%9E%90ip/",
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  "op": [
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      "parent_permlink": "python",
      "author": "tengyue",
      "permlink": "python2-7-mtr-ip",
      "title": "Python2.7 Mtr路由跟踪解析IP",
      "body": "> 在linux在做路由跟踪时，在某一跳出问题时，并不知道是哪里的ISP有问题，在找到中断ip后必去查该ip的ISP才知道哪里路由有问题，但是每次查找都很麻烦，所以想在得出路由跟踪ip后直接查找ip的ISP并显示出来多好啊，IP库使用taobao的API接口。\n```\n![](https://steemitimages.com/DQmWnYJAFpFwpTZvrsRwQbGVuWzVhH34G6xMGaagZURz5Ba/image.png)\n[root@salt ~]# cat ip.py \n#!/usr/bin/python\nimport json,os,sys,socket,urllib2\n\nipadd=sys.argv[1]\nosname=socket.gethostname()\nst1='mtr -n -i 0.3 -c 10 -r -w'+' '+ ipadd+' '+'> /tmp/ipres'\n\ndef GetIp(o):\n    respone=urllib2.urlopen('http://ip.taobao.com/service/getIpInfo.php?ip='+o)\n    t=respone.read()\n    data=json.loads(t)\n    return data['data']['country'],data['data']['city'],data['data']['isp']\n\nos.system(st1)\nfp=open('/tmp/ipres')\nprint 'HOST: ' + osname + '           Loss%   Snt   Last   Avg  Best  Wrst StDev        ISP'\nfor i in fp.readlines()[1:]:\n    t=i.strip()\n    for p in i.strip().split()[1:2]:\n        if p == '???':\n            x='Forbid ICMP detect '\n            print t + '    ' + x\n        elif p == '`|--':\n            del p\n        elif p == '|--':\n            del p\n        else:\n            z,x,y=GetIp(p)\n            if z == 'IANA':\n                z='internet IP'\n            print t + '    ' + z + x + y\nfp.close()\nos.remove('/tmp/ipres')\n\n\n```\n源自：http://www.codeweblog.com/python2-7-mtr%E8%B7%AF%E7%94%B1%E8%B7%9F%E8%B8%AA%E8%A7%A3%E6%9E%90ip/",
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  "timestamp": "2018-05-16T08:48:09",
  "op": [
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      "parent_author": "",
      "parent_permlink": "python",
      "author": "tengyue",
      "permlink": "python2-7-mtr-ip",
      "title": "Python2.7 Mtr路由跟踪解析IP",
      "body": "> 在linux在做路由跟踪时，在某一跳出问题时，并不知道是哪里的ISP有问题，在找到中断ip后必去查该ip的ISP才知道哪里路由有问题，但是每次查找都很麻烦，所以想在得出路由跟踪ip后直接查找ip的ISP并显示出来多好啊，IP库使用taobao的API接口。\n```\n[root@salt ~]# python ip.py 47.75.72.107\nHOST: salt           Loss%   Snt   Last   Avg  Best  Wrst StDev        ISP\nHOST: salt            Loss%   Snt   Last   Avg  Best  Wrst StDev    \n1.|-- 172.16.232.254   0.0%    10    1.2   1.2   1.1   1.4   0.0    XX内网IP内网IP\n2.|-- 172.16.254.1    10.0%    10    0.5   0.3   0.3   0.5   0.0    XX内网IP内网IP\n3.|-- 218.240.36.33   10.0%    10    4.1  30.4   4.1 122.4  49.4    中国北京联通\n4.|-- 10.1.1.1         0.0%    10    1.1   1.3   1.1   1.7   0.0    XX内网IP内网IP\n5.|-- 119.253.5.181    0.0%    10    0.7   0.6   0.5   0.7   0.0    中国北京电信\n6.|-- 119.253.5.34    10.0%    10    0.6   0.8   0.6   2.0   0.0    中国北京电信\n7.|-- 119.253.6.42    20.0%    10    0.6   1.0   0.6   3.3   0.9    中国北京电信\n8.|-- 119.253.5.21    60.0%    10    1.0   1.2   0.9   1.9   0.0    中国北京电信\n9.|-- 119.253.3.237    0.0%    10    1.2   1.1   0.9   1.8   0.0    中国北京电信\n10.|-- 211.153.5.81    10.0%    10    6.9   9.2   3.9  16.0   4.6    中国北京皓宽网络\n11.|-- 36.110.63.233   70.0%    10    1.7   3.1   1.6   6.1   2.5    中国北京电信\n12.|-- 219.141.147.234 20.0%    10    3.0   3.1   2.9   3.4   0.0    中国北京电信\n13.|-- 59.43.80.1       0.0%    10    1.8   3.7   1.8  19.9   5.7    中国北京电信\n14.|-- 59.43.132.10    50.0%    10    3.6   3.5   3.4   3.6   0.0    中国北京电信\n15.|-- 59.43.188.78     0.0%    10    3.0   3.0   2.9   3.1   0.0    中国北京电信\n16.|-- 59.43.248.2     10.0%    10   48.5  47.6  47.3  48.5   0.0    香港XX电信\n17.|-- 59.43.250.26     0.0%    10   49.6  51.4  49.5  68.1   5.8    香港XX电信\n18.|-- 210.48.139.70   20.0%    10   50.4  50.6  50.4  50.7   0.0    香港XX电信\n19.|-- 116.251.118.201 90.0%    10   53.1  53.1  53.1  53.1   0.0    中国杭州阿里巴巴\n20.|-- 11.211.16.133   90.0%    10   56.7  56.7  56.7  56.7   0.0    香港XX阿里云\n21.|-- 47.75.72.107     0.0%    10   53.6  53.6  53.5  53.7   0.0    香港XX阿里云\n[root@salt ~]# cat ip.py \n#!/usr/bin/python\nimport json,os,sys,socket,urllib2\n\nipadd=sys.argv[1]\nosname=socket.gethostname()\nst1='mtr -n -i 0.3 -c 10 -r -w'+' '+ ipadd+' '+'> /tmp/ipres'\n\ndef GetIp(o):\n    respone=urllib2.urlopen('http://ip.taobao.com/service/getIpInfo.php?ip='+o)\n    t=respone.read()\n    data=json.loads(t)\n    return data['data']['country'],data['data']['city'],data['data']['isp']\n\nos.system(st1)\nfp=open('/tmp/ipres')\nprint 'HOST: ' + osname + '           Loss%   Snt   Last   Avg  Best  Wrst StDev        ISP'\nfor i in fp.readlines()[1:]:\n    t=i.strip()\n    for p in i.strip().split()[1:2]:\n        if p == '???':\n            x='Forbid ICMP detect '\n            print t + '    ' + x\n        elif p == '`|--':\n            del p\n        elif p == '|--':\n            del p\n        else:\n            z,x,y=GetIp(p)\n            if z == 'IANA':\n                z='internet IP'\n            print t + '    ' + z + x + y\nfp.close()\nos.remove('/tmp/ipres')\n\n\n```\n源自：http://www.codeweblog.com/python2-7-mtr%E8%B7%AF%E7%94%B1%E8%B7%9F%E8%B8%AA%E8%A7%A3%E6%9E%90ip/",
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  "timestamp": "2018-05-16T05:31:42",
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      "parent_author": "",
      "parent_permlink": "openstack",
      "author": "tengyue",
      "permlink": "openstack-1",
      "title": "基于OpenStack构建企业私有云（1）实验环境准备",
      "body": "## 一.基础软件包安装\n\n### 1.安装EPEL仓库\n\n``` # rpm -ivh http://mirrors.aliyun.com/epel/epel-release-latest-7.noarch.rpm  ```\n### 2.安装OpenStack仓库\n\n```# yum install -y centos-release-openstack-queens```\n\n### 3.安装OpenStack客户端\n\n```# yum install -y python-openstackclient```\n\n###  4.安装openstack SELinux管理包(实验环境关闭selinux可以不安装)\n\n```# yum install -y openstack-selinux```\n\n\n\n## 二.MySQL数据库部署\n\n### 1.MySQL安装\n\n```# yum install -y mariadb mariadb-server python2-PyMySQL ```\n\n### 2.修改MySQL配置文件\n\n```# vim /etc/my.cnf.d/openstack.cnf\n[mysqld]\nbind-address = 192.168.56.11 #设置监听的IP地址\ndefault-storage-engine = innodb  #设置默认的存储引擎\ninnodb_file_per_table = on#使用独享表空间\ncollation-server = utf8_general_ci #服务器的默认校对规则\ncharacter-set-server = utf8 #服务器安装时指定的默认字符集设定\nmax_connections = 4096 #设置MySQL的最大连接数，生产请根据实际情况设置。\n```\n\n\n### 3.启动MySQL Server并设置开机启动\n```\n# systemctl enable mariadb.service\n# systemctl start mariadb.service\n```\n\n\n### 4.进行数据库安全设置\n\n```# mysql_secure_installation```\n\n\n\n### 5.数据库创建\n\n```\n# mysql -u root -p\nEnter password:\n…\nMariaDB [(none)]>\n\nKeystone数据库\nCREATE DATABASE keystone;\nGRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'keystone';\nGRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY 'keystone';\n\nGlance数据库\nCREATE DATABASE glance;\nGRANT ALL PRIVILEGES ON glance.* TO 'glance'@'localhost' IDENTIFIED BY 'glance';\nGRANT ALL PRIVILEGES ON glance.* TO 'glance'@'%' IDENTIFIED BY 'glance';\n\nNova数据库\nCREATE DATABASE nova;\nGRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'nova';\nGRANT ALL PRIVILEGES ON nova.* TO 'nova'@'%' IDENTIFIED BY 'nova';\nCREATE DATABASE nova_api;\nGRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'localhost' IDENTIFIED BY 'nova';\nGRANT ALL PRIVILEGES ON nova_api.* TO 'nova'@'%' IDENTIFIED BY 'nova';\nCREATE DATABASE nova_cell0;\nGRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'localhost' IDENTIFIED BY 'nova';\nGRANT ALL PRIVILEGES ON nova_cell0.* TO 'nova'@'%' IDENTIFIED BY 'nova';\n\nNeutron 数据库\nCREATE DATABASE neutron;\nGRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' IDENTIFIED BY 'neutron';\nGRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'%' IDENTIFIED BY 'neutron';\n\nCinder数据库\nCREATE DATABASE cinder;\nGRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' IDENTIFIED BY 'cinder';\nGRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'%' IDENTIFIED BY 'cinder';\n```\n## 三：消息代理RabbitMQ\n### 1.安装RabbitMQ\n\n```\n# yum install -y rabbitmq-server\n```\n\n### 2.设置开启启动，并启动RabbitMQ\n\n```\n# systemctl enable rabbitmq-server.service\n# systemctl start rabbitmq-server.service\n```\n\n### 3.添加openstack用户。\n```\n# rabbitmqctl add_user openstack openstack\nCreating user \"openstack\" ...\n```\n\n\n### 4.给刚才创建的openstack用户，创建权限。\n\n```\n# rabbitmqctl set_permissions openstack \".*\" \".*\" \".*\"\nSetting permissions for user \"openstack\" in vhost \"/\" ...\n```\n\n### 5.启用Web监控插件\n\n```\n# rabbitmq-plugins list\n# rabbitmq-plugins enable rabbitmq_management\n```",
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      "permlink": "python-global-nonlocal",
      "title": "python中global 和 nonlocal 的作用域",
      "body": "最近在学习python，在这里记录学习中的问题\n\n### global\n> global关键字用来在函数或其他局部作用域中使用全局变量。**`但是如果不修改全局变量也可以不使用global关键字。`**\n```\nIn [5]: gcount = 0\n\nIn [6]: def global_test():\n   ...:     gcount+=1\n   ...:     print (gcount)\n   ...:     \n\nIn [7]: global_test()\n---------------------------------------------------------------------------\nUnboundLocalError                         Traceback (most recent call last)\n<ipython-input-7-86f3510ae66b> in <module>()\n----> 1 global_test()\n\n<ipython-input-6-ef97fb6917fb> in global_test()\n      1 def global_test():\n----> 2     gcount+=1\n      3     print (gcount)\n      4 \n\nUnboundLocalError: local variable 'gcount' referenced before assignment\n```\n\n第一行定义了一个全局变量，（可以省略global关键字）。\n在global_test 函数中程序会因为“如果内部函数有引用外部函数的同名变量或者全局变量,并且对这个变量有修改.那么python会认为它是一个局部变量,又因为函数中没有gcount的定义和赋值，所以报错。\n\n### 声明全局变量。\n> 如果在局部要对全局变量修改，需要在局部也要先声明该全局变量\n```\nIn [8]: gcount = 0\n\nIn [9]: def global_test():\n   ...:     global gcount\n   ...:     gcount+=1\n   ...:     print (gcount)\n   ...:     \n\nIn [10]: global_test()\n1\n```\n如果在函数中声明 gcount 是全局变量，即可对其进行修改。 正确输出 1 。\n\n### 如果不修改全局变量\n> 在局部如果不声明全局变量，并且不修改全局变量。则可以正常使用全局变量\n```\nIn [11]: gcount = 0\n\nIn [12]: def global_test():\n    ...:     print (gcount)\n    ...:     \n    ...:     \n\nIn [13]: global_test()\n0\n```\n如果在局部不修改全局变量，程序正确输出 0 。\n\n### nonlocal关键字\n> 用来在函数或其他作用域中使用外层(非全局)变量。\n```\nIn [14]: def make_counter():\n    ...:     count = 0\n    ...:     def counter():\n    ...:         nonlocal count\n    ...:         count += 1\n    ...:         return count\n    ...:     return counter\n    ...: \n\nIn [15]: def make_counter_test():\n    ...:     mc = make_counter()\n    ...:     print(mc())\n    ...:     print(mc())\n    ...:     print(mc())\n    ...:     \n\n\nIn [16]: make_counter_test()\n1\n2\n3\n```\n\n### 测试\n```\nIn [35]: def scope_test():\n    ...:     spam = \"test spam\"\n    ...:     def do_local():\n    ...:         spam = 'local spam'\n    ...:     def do_nonlocal():\n    ...:         nonlocal  spam\n    ...:         spam = 'nonlocal spam'\n    ...:     def do_global():\n    ...:         global spam\n    ...:         spam = 'global spam'\n    ...:     do_local()\n    ...:     print('after local assignmane:', spam)\n    ...:     do_nonlocal()\n    ...:     print('after nonlocal assignment:', spam)\n    ...:     do_global()\n    ...:     print('after global assignment:', spam)\n    ...:     \n\nIn [36]: scope_test()\nafter local assignmane: test spam\nafter nonlocal assignment: nonlocal spam\nafter global assignment: nonlocal spam\n\nIn [37]: print('in global scope:', spam)\nin global scope: global spam\n```",
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