sudo apt-get install p7zip-full Continue reading raspbian 安装 7zip
怎么用一根网线将两台电脑连接成局域网
主机IP设置为：
IP地址，子网掩码中分别填入192.168.37.1 ，255.255.255.0 ，默认网关留空。
客户机IP设置为：
IP地址，子网掩码，默认网关中填入192.168.37.2 ，255.255.255.0 ，192.168.37.1
已达到计算机的连接数最大值
一：右击我的电脑–管理，打开系统工具–共享文件夹–会话，手动删除里面的会话；
二：在开始-运行栏里输入gpedit.msc，回车后，选择计算机配置–管理模板–windows组件–远程桌面服务–远程桌面会话主机–连接，打开右边显示框中的‘限制连接的数量’
raspberry pi 树莓派 安装中文输入法Fcitx及Google拼音输入法
运行：
sudo apt–get install fcitx fcitx–googlepinyin fcitx–module-cloudpinyin fcitx–sunpinyin
安装完毕，reboot即可。
安装完毕，reboot即可。
树莓派LED指示灯状态的解释
LED亮灯状态
| LED | 颜色 | 功能 | 正常状态 |
|---|---|---|---|
| ACT | 绿色 | card status | 闪烁:SD卡正在活动（类似电脑的硬盘灯） |
| PWR | 红色 | power | 不闪烁:正常 |
| FDX | 橙 | full duplex | 亮:全双工/不亮:半双工 |
| LNK | 橙 | link | 亮:网络连接成功 |
| 100 | 橙 | 100 Mbps | 亮:100 Mbps/不亮:10 Mbps |
常见亮灯状态：
Installing operating system images on Linux for raspberrypi
Please note that the use of the dd tool can overwrite any partition of your machine. If you specify the wrong device in the instructions below, you could delete your primary Linux partition. Please be careful. Continue reading Installing operating system images on Linux for raspberrypi
How to Change Your Default Applications on Ubuntu
File Associations
To set the default application for a specific file type, locate a file of that type in the file manager, right-click it, and select Properties.
Click the Open With tab and select the application you want to use for that file type. Use the Set as default button to make the application the default application.
查询苹果系统验证状态
方法:
1首先，打开iPhone上的浏览器，Safari浏览器或者其他下载的浏览器
2打开后，在地址栏输入【ipsw.me】
3向下找到【select a device】
4点击后面的倒三角，选择设备
5选择好设备后，选择select iOS version，可以看到iOS9.1的背景是绿色的，说明当前只能刷iOS9.1版本的固件，其他背景为红色的都无法更新
6这个网站不仅可以在iPhone上打开，在电脑上也可以打开
复制 进度条
rsync -av –progress /mnt/yido /mnt/yidong1/
Ubuntu MATE for the Raspberry Pi 2 and Raspberry Pi 3
Martin Wimpress and Rohith Madhavan have made an Ubuntu MATE image for the Raspberry Pi 2 and Raspberry Pi 3 which you can download or build yourself.
The image is based on the regular Ubuntu armhf base, not the new Snappy Core, which means that the installation procedure for applications is the same as that for the regular desktop version, ie using apt-get. However, since Ubuntu MATE 16.04 snap packages can be installed alongside classic deb packages. Continue reading Ubuntu MATE for the Raspberry Pi 2 and Raspberry Pi 3