1. 编辑配置文件：

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   #增加任务： crontab -e # Edit this file to introduce tasks to be run by cron. # # Each task to run has to be defined through a single line # indicating with different fields when the task will be run # and what command to run for the task # # To define the time you can provide concrete values for # minute (m), hour (h), day of month (dom), month (mon), # and day of week (dow) or use '*' in these fields (for 'any').# # Notice that tasks will be started based on the cron's system # daemon's notion of time and timezones. # # Output of the crontab jobs (including errors) is sent through # email to the user the crontab file belongs to (unless redirected). # # For example, you can run a backup of all your user accounts # at 5 a.m every week with: # 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/ # # For more information see the manual pages of crontab(5) and cron(8) # # m h dom mon dow command #每分钟访问百度首页 */1 * * * * curl -v "http://www.baidu.com"

1、安装Git

http://git-for-windows.github.io/
https://github.com/git-for-windows/git/releases/download/v2.6.4.windows.1/Git-2.6.4-64-bit.exe

1. 更新列表：

   1	sudo apt-get update

注册信息转载

邮箱：

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Soar360@live.com

在使用微信公众平台开发模式(JAVA) SDK 发现调用https的异常：

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/**
 * 微信公众平台开发模式(JAVA) SDK
 * (c) 2012-2013 ____′↘夏悸 <wmails@126.cn>, MIT Licensed
 * http://www.jeasyuicn.com/wechat
 */

简介

linux常用命令

scp

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#文件复制
scp /home/root/music/1.mp3 root@192.168.1.100:/home/root/others/music
scp /home/root/music/1.mp3 root@192.168.1.100:/home/root/others/music/001.mp3
#目录复制
scp -r /home/root/music/ root@192.168.1.100:/home/root/others/
#远程文件复制
scp root@192.168.1.100:/home/root/others/music /home/root/music/1.mp3
#远程目录复制
scp -r root@192.168.1.100:/home/root/others/ /home/root/music/

简介

DNSmasq是一个轻巧的，容易使用的DNS服务工具，它可以应用在内部网和Internet连接的时候的 IP地址NAT转换，也可以用做小型网络的DNS服务。

安装

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sudo apt-get install dnsmasq

安装Hadoop，单机模式。

1、免密码ssh设置：

免密码ssh设置

输入时，会提示创建.ssh/id_rsa、id_rsa.pub的文件，其中第一个为密钥，第二个为公钥。过程中会要求输入密码，为了ssh访问过程无须密码，直接回车 。

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root@ubuntu:~# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
Created directory '/root/.ssh'.
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
84:50:44:e7:22:e1:f0:75:01:f2:c8:e9:45:39:66:70 root@ubuntu
The key's randomart image is:
+--[ RSA 2048]----+
|  . ==Eo+.       |
|   = @==         |
|    Bo=.o        |
|   . o o         |
|    .   S        |
|                 |
|                 |
|                 |
|                 |
+-----------------+

Cygwin里面vi的问题只是因为配置文件导致的问题，执行以下命令重新放好配置文件即可解决:

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cp /usr/share/vim/{VIM_VERSION}/vimrc_example.vim ~/.vimrc