sigma.me Report : Visit Site


  • Ranking Alexa Global: # 1,497,678

    Server:Apache/2.4.18 (Ubunt...

    The main IP address: 47.254.25.65,Your server Canada,Ottawa ISP:Bell-Northern Research  TLD:me CountryCode:CA

    The description :这是sigma的博客,sigma是一名爱好计算机,爱好数学的it人,在本博客我会写一些关于计算机领域的一些技术文章和评论,也包括我的生活点滴。sigma的意思是求和,我认为人生就是一个不断sigma(求和,学习其实就是一种)的过程,本博客将记录我在计算机以及人生道路上不断sigma(求和异或学习)的过程。本博客为关注ic以及底层技术的原创博客.this is sigma's blog, an it...

    This report updates in 06-Nov-2018

Technical data of the sigma.me


Geo IP provides you such as latitude, longitude and ISP (Internet Service Provider) etc. informations. Our GeoIP service found where is host sigma.me. Currently, hosted in Canada and its service provider is Bell-Northern Research .

Latitude: 45.354499816895
Longitude: -75.850204467773
Country: Canada (CA)
City: Ottawa
Region: Ontario
ISP: Bell-Northern Research

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HTTP Header Analysis


HTTP Header information is a part of HTTP protocol that a user's browser sends to called Apache/2.4.18 (Ubuntu) containing the details of what the browser wants and will accept back from the web server.

Content-Encoding:gzip
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Server:Apache/2.4.18 (Ubuntu)
Connection:Keep-Alive
Link:; rel="https://api.w.org/"
Date:Tue, 06 Nov 2018 05:34:00 GMT
Content-Type:text/html; charset=UTF-8

DNS

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OWNER:CNNIC-ALIBABA-CN-NET-AP Alibaba (China) Technology Co., Ltd., CN
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HtmlToText

work hard,play hard 首页 about project 西北行 2014年4月14日 没有评论 38,791 views 上周,去了趟大西北,虽然很多地方应该夏天去,去的不是时候,但是也有好处,就是景点人很少,可以真正看景,而不是看人。 刚到吃的达记驴肉黄面,黄面和酱都不错 阅读全文… 分类: 旅行 标签: 嘉峪关 , 张掖 , 敦煌 , 旅行 , 西北 , 酒泉 debian包的结构和解包打包-从打包ubuntu12.10 linuxqq说起 2013年1月9日 没有评论 178,812 views 作为2b青年,果断在mac下装了linux。今天想装qq,发现报错了。 daohoo@daohoo-mbp:~/downloads$ sudo dpkg -i linuxqq_v1.0.2-beta1_i386.deb [sudo] password for daohoo: dpkg: error processing linuxqq_v1.0.2-beta1_i386.deb (--install): parsing file '/var/lib/dpkg/tmp.ci/control' near line 7 package 'linuxqq': error in version string 'v1.0.2-beta1': version number does not start with digit errors were encountered while processing: linuxqq_v1.0.2-beta1_i386.deb 根据错误信息显示,不能安装的原因是新版的ubuntu要求版本号为数字开头,sb的腾讯却用v开头。因此,我猜想,只要重新打包即可(之前我通过重新打包的方法,也改过android qq的尾巴)。过程如下: 1.ar解包: daohoo@daohoo-mbp:~/downloads/linuxqq$ ar vx linuxqq_1.0.2_i386.deb x - debian-binary x - control.tar.gz x - data.tar.gz 2.tar解包control信息: daohoo@daohoo-mbp:~/downloads/linuxqq$ tar -zxvf control.tar.gz ./ ./conffiles ./control 3.修改control文件: sed -i "s/v1.0/1.0/g" control 4.重新tar打包control.tar.gz tar -zcvf control.tar.gz ./conffiles ./control 5.ar重新打包debian包: ar rcs linuxqq.deb debian-binary control.tar.gz data.tar.gz 6.安装: sudo dpkg -i linuxqq.deb btw:介绍一下关于debian包的结构: 阅读全文… 分类: 折腾 标签: debian , linux darwin(mac os x内核)特有的命令 2012年12月5日 122 条评论 567,744 views mac os x的内核是darwin,是一个bsd unix的内核,相对于原始版本的unix,apple在上面加了一些自己的命令,其中有些命令还是挺实用的,比如ditto,可以直接拷目录,并且在拷贝时压缩和解压缩(哥一直希望scp也支持压缩和解压缩)。下面是老外整理的一份列表(来源: http://www.matisse.net/osx/darwin_commands.html ) based on os x 10.4.2, august 2005. compiled in august 2005 by matisse enzer command(man sec.) description installed location buildstrings(1) programmer tool to generate .h and .r files. /developer/tools consolemessage(8) send a message to systemstarter. /usr/libexec cpmac(1) copy files preserving metadata and forks. /developer/tools derez(1) decompiles resources (programmer tool) /developer/tools directoryservice(8) directoryservice daemon. see also dscl(1). /usr/sbin getfileinfo(1) get mac-only attributes of files & directories. /developer/tools mergepef(1) programmer tool. merges “powerpc executable format” (pef) files. /developer/tools mvmac(1) move files, preserving metadata and forks. /developer/tools ppcexplain(1) programmer help for ppc assembly code. /developer/tools 阅读全文... 分类: 贝壳 标签: mac , unix ubuntu/debian从源码编译debian包 2012年12月1日 没有评论 27,210 views ubuntu源里有的软件: ubuntu源里有的软件,理论上不用自己编译debian包,但是有时候,我们想对源里的软件做些修改,打些patch,就可以用这种方法,具体为: 1.获取源文件 源码包中通常包含3个文件,分别以dsc,orig.tar.gz和diff.gz为后缀名。 其中 .orig.tar.gz 是软件原始源码包,没有经过任何修改; .diff.gz 是将源码包 debian 化的文件,包含一些补丁和编译规则;.dsc 描述了源码包的信息,上述命令是解压源码和打补丁的综合操作。 使用apt-get source命令来获取源码包,它会将源码包下载到用户当前目录,并在命令执行过程中,调用dpkg-source命令,根据dsc文件中的信息,将源码包解压到同名目录中,应用程序的源代码就在这里面。 sudo apt-get source tree 另外,有时想用的源码包不是最新版本的,而是一些老版本。可以在新立得里面先强制版本。之后在执行命令。或者直接去old_archive.ubuntu.com上找老版本的dsc,orig.tar.gz,diff.gz等。 要强调的是,在下载源码包前,必须确保安装了dpkg-dev(执行”apt-get install dpkg-dev”来安装),否则,只会下载源码包的3个文件,但不会解压缩源码包。当然你也可以自己用dpkg-source命令去解压缩源码包: dpkg-source -x tree-1.5.1.2.dsc 阅读全文… 分类: 贝壳 标签: debian , dpkg , linux , ubuntu linux on mips的syscall及id列表 2012年11月2日 没有评论 127,646 views linux on mips的syscall及id列表: <?xml version="1.0"?> <!-- copyright (c) 2011 free software foundation, inc. copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. --> <!doctype feature system "gdb-syscalls.dtd"> <!-- this file was generated using the following file: /usr/src/linux/arch/mips/include/asm/unistd.h the file mentioned above belongs to the linux kernel. --> <syscalls_info> <syscall name="syscall" number="4000"/> <syscall name="exit" number="4001"/> <syscall name="fork" number="4002"/> <syscall name="read" number="4003"/> <syscall name="write" number="4004"/> <syscall name="open" number="4005"/> <syscall name="close" number="4006"/> <syscall name="waitpid" number="4007"/> <syscall name="creat" number="4008"/> <syscall name="link" number="4009"/> <syscall name="unlink" number="4010"/> <syscall name="execve" number="4011"/> <syscall name="chdir" number="4012"/> <syscall name="time" number="4013"/> <syscall name="mknod" number="4014"/> <syscall name="chmod" number="4015"/> <syscall name="lchown" number="4016"/> <syscall name="break" number="4017"/> <syscall name="lseek" number="4019"/> <syscall name="getpid" number="4020"/> <syscall name="mount" number="4021"/> <syscall name="umount" number="4022"/> <syscall name="setuid" number="4023"/> <syscall name="getuid" number="4024"/> <syscall name="stime" number="4025"/> <syscall name="ptrace" number="4026"/> <syscall name="alarm" number="4027"/> <syscall name="pause" number="4029"/> <syscall name="utime" number="4030"/> <syscall name="stty" number="4031"/> <syscall name="gtty" number="4032"/> <syscall name="access" number="4033"/> <syscall name="nice" number="4034"/> <syscall name="ftime" number="4035"/> <syscall name="sync" number="4036"/> <syscall name="kill" number="4037"/> <syscall name="rename" number="4038"/> <syscall name="mkdir" number="4039"/> <syscall name="rmdir" number="4040"/> <syscall name="dup" number="4041"/> <syscall name="pipe" number="4042"/> <syscall name="times" number="4043"/> <syscall name="prof" number="4044"/> <syscall name="brk" number="4045"/> <syscall name="setgid" number="4046"/> <syscall name="getgid" number="4047"/> <syscall name="signal" number="4048"/> <syscall name="geteuid" number="4049"/> <syscall name="getegid" number="4050"/> <syscall name="acct" number="4051"/> <syscall name="umount2" number="4052"/> <syscall name="lock" number="4053"/> <syscall name="ioctl" number="4054"/> <syscall name="fcntl" number="4055"/> <syscall name="mpx" number="4056"/> <syscall name="setpgid" number="4057"/> <syscall name="ulimit" number="4058"/> <syscall name="umask" number="4060"/> <syscall name="chroot" number="4061"/> <syscall name="ustat" number="4062"/> <syscall name="dup2" number="4063"/> <syscall name="getppid" number="4064"/> <syscall name="getpgrp" number="4065"/> <syscall name="setsid" number="4066"/> <syscall name="sigaction" number="4067"/> <syscall name="sgetmask" number="4068"/> <syscall name="ssetmask" number="4069"/> <syscall name="setreuid" number="4070"/> <syscall name="setregid" number="4071"/> <syscall name="sigsuspend" number="4072"/> <syscall name="sigpending" number="4073"/> <syscall name="sethostname" number="4074"/> <syscall name="setrlimit" number="4075"/> <syscall name="getrlimit" number="4076"/> <syscall name="getrusage" number="4077"/> <syscall name="gettimeofday" number="4078"/> <syscall name="settimeofday" number="4079"/> <syscall name="getgroups" number="4080"/> <syscall name="setgroups" number="4081"/> <syscall name="symlink" number="4083"/> <syscall name="readlink" number="4085"/> <syscall name="uselib" number="4086"/> <syscall name="swapon" number="4087"/> <syscall name="reboot" number="4088"/> <syscall name="readdir" number="4089"/> <syscall name="mmap" number="4090"/> <syscall name="munmap" number="4091"/> <syscall name="truncate" number="4092"/> <syscall name="ftruncate" number="4093"/> <syscall name="fchmod" number="4094"/> <syscall name="fchown" number="4095"/> <syscall name="getpriority" number="4096"/> <syscall name="setpriority" number="4097"/> <syscall name="profil" number="4098"/> <syscall name="statfs" number="4099"/>

URL analysis for sigma.me


http://www.sigma.me/2011/05/06/causal-consistency.html
http://www.sigma.me/tag/%e9%9d%9e%e5%85%b3%e7%b3%bb%e5%9e%8b%e6%95%b0%e6%8d%ae%e5%ba%93
http://www.sigma.me/tag/ubuntu
http://www.sigma.me/tag/c%e8%af%ad%e8%a8%80
http://www.sigma.me/2012/12/01/ubuntu-compile-src-to-debian.html
http://www.sigma.me/tag/comment
http://www.sigma.me/2012/12/05/darwin-mac-os-x-unique-commands.html
http://www.sigma.me/tag/qq
http://www.sigma.me/tag/android
http://www.sigma.me/tag/google
http://www.sigma.me/tag/nosql
http://www.sigma.me/tag/%e5%ad%98%e5%82%a8%e4%b8%80%e8%87%b4%e6%80%a7
http://www.sigma.me/tag/code
http://www.sigma.me/tag/%e5%b0%8f%e5%b7%a5%e5%85%b7
http://www.sigma.me/tag/linux

Whois Information


Whois is a protocol that is access to registering information. You can reach when the website was registered, when it will be expire, what is contact details of the site with the following informations. In a nutshell, it includes these informations;


SERVERS

  SERVER whois.meregistry.net

  ARGS sigma.me

  PORT 43

DOMAIN

NSERVER

  NS08.DOMAINCONTROL.COM 208.109.255.4

  NS07.DOMAINCONTROL.COM 216.69.185.4

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