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NS 报文构造: NA 报文构造: 阅读全文
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IPv4: display arp IPv6: display ipv6 neighbors 阅读全文
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1 IPv6 ICMP 2 icmp ipv6 request 3 4 i=IPv6() 5 i.dst="2001:db8:dead::1" 6 q=ICMPv6EchoRequest() 7 p=(i/q) 8 sr1(p) 9 ipv6 source route packets 10 i=IPv6() 11 ... 阅读全文
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1 >>> import numpy as np 2 >>> a = np.random.randint(-5, 5, (5, 5)) 3 >>> a 4 array([[-4, -4, -5, 2, 1], 5 [-1, -2, -1, 3, 3], 6 [-1, -2, 3, -5, 3], 7 [ 0, -3, -5, ... 阅读全文
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#define NIPQUAD(addr) \ ((unsigned char *)&addr)[0], \ ((unsigned char *)&addr)[1], \ ((unsigned char *)&addr)[2], \ ((unsigned char *)&addr)[3] struc 阅读全文
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region one: 1 cat /etc/kolla/globals.yml 2 3 openstack_region_name: "RegionOne" 4 multiple_regions_names: 5 - "{{ openstack_region_name }}" 6 - "Regio 阅读全文
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http://yum.dockerproject.org/repo/main/centos/7/Packages/ 阅读全文
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下载地址: https://pypi.org/project/kolla-ansible/ ansible下载: https://releases.ansible.com/ansible/rpm/release/epel-7-x86_64/ 阅读全文
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原文链接:https://www.cnblogs.com/joshua317/p/6170839.html 常用的格式有:tar, tar.gz(tgz), tar.bz2, 不同方式,压缩和解压方式所耗CPU时间和压缩比率也差异也比较大。 1. tar只是打包动作,相当于归档处理,不做压缩;解压也 阅读全文
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原文:Python获取秒级时间戳与毫秒级时间戳 1、获取秒级时间戳与毫秒级时间戳 返回 2、将日期转为秒级时间戳 返回 3、将秒级时间戳转为日期 返回 阅读全文