a lot

env/theme.sh

@@ -5,9 +5,7 @@ sudo apt-get update
 sudo apt-get -y install git unity-tweak-tool ultra-flat-icons flatabulous-theme zsh 
 
 mkdir ~/program
+sudo apt install git zsh
 git clone git://github.com/robbyrussell/oh-my-zsh.git ~/program/.oh-my-zsh
 
 bash  ~/program/.oh-my-zsh/tools/install.sh
-
-chsh -s /usr/bin/zsh
-

env/ubuntu18.04.md

@@ -0,0 +1,40 @@
+# ubuntu 18.04 env
+
+
+## sogou pinyin
+
+```bash
+# details referring to https://blog.csdn.net/lupengCSDN/article/details/80279177
+sudo apt install fcitx
+sudo dpkg -i sogou*****.deb
+
+sudo apt install -f
+
+sudo dpkg -i sogou***.deb
+```
+
+## 双系统造成的windows时间错误
+
+先在ubuntu下更新一下时间，确保时间无误：
+
+> sudo apt install ntpdate
+> sudo ntpdate time.windows.com
+
+然后将时间更新到硬件上
+
+> sudo hwclock --localtime --systohc
+
+
+## ubuntu dock 
+
+> gsettings set org.gnome.shell.extensions.dash-to-dock click-action 'minimize'
+
+
+
+## NetSpeed 监控网速
+
+在Ubuntu software 搜索
+
+## Coverflow Alt-Tab 
+
+优化 alt tab

opencv/install.md

@@ -8,7 +8,7 @@
 ## ubuntu 
 
 ``` bash
-unzip opencv-3.4.0.zip
+unzip opencv-3.3.0.zip
 cd opencv
 
 sudo apt install cmake
@@ -19,7 +19,7 @@ cd my_build
 
 ## cmake 中会下载安装一个大文件，网速会很慢
 cmake -D CMAKE_BUILD_TYPE=Release \
-    -D OPENCV_EXTRA_MODULES_PATH=/home/lab_01/program/opencv_contrib-3.3.0/modules \
+    -D OPENCV_EXTRA_MODULES_PATH=/home/lab/program/opencv_contrib-3.3.0/modules \
     -D CMAKE_INSTALL_PREFIX=/usr/local ..
 
 sudo make
@@ -55,6 +55,8 @@ make
 # and you will see yourself
 # compete
 
+# sudo pip install  numpy opencv-python
+
 ```
 
 

openstack/openstack_conf/controller/interface

@@ -0,0 +1,14 @@
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+
+auto enp0s8
+iface enp0s8 inet static
+      address 10.0.0.11
+      netmask 255.255.255.0
+
+auto enp0s9
+iface enp0s9 inet manual
+up ip link set dev $IFACE up
+down ip link set dev $IFACE down

python/抓包分析.md

@@ -0,0 +1,10 @@
+# 抓包分析
+
+## 安装pypcap
+
+```bash
+# insall flex  https://github.com/westes/flex
+git clone https://github.com/westes/flex.git
+cd flex
+./autogen.sh
+```

raspberry/main.md

@@ -13,3 +13,23 @@ dd bs=4M if=2017-11-29-raspbian-stretch.img of=/dev/sdX     # 写入镜像
 sudo watch -n 5 pkill -USR1 ^dd$    # 查看dd进程
 
 ```
+
+
+## 换源
+
+```bash
+$ sudo nano /etc/apt/sources.list
+#注释掉原文件内容，用以下内容取代：
+
+deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ stretch main contrib non-free rpi
+deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ stretch main contrib non-free rpi
+
+#使用管理员权限（经由sudo），编辑/etc/apt/sources.list.d/raspi.list文件。参考命令行为：
+
+$ sudo nano /etc/apt/sources.list.d/raspi.list
+
+#注释掉原文件内容，用以下内容取代：
+
+deb http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui
+deb-src http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui
+```

raspberry/router.md

@@ -2,24 +2,18 @@
 
 ## 网络配置
 
+设置静态ip， 需编辑/etc/dhcpcd.conf 文件， 修改/etc/network/interfaces 无效
+
 wlan0 连接公网，并将网络共享给有线网和wlan1
 
 ``` bash
-auto eth0
+interface wlan0  #指定接口
-iface eth0 inet static
+static ip_address=192.168.215.1/24 #IP根据需要更改，/24的意思是子网掩码为 255.255.255.0
-address 192.168.1.1
+# static router=192.168.215.1 #网关
-netmask 255.255.255.0
+# static domain_name_serverrs=223.5.5.5 # DNS
 
-
+interface wlan0
-auto wlan0
+static ip_address=192.168.216.1/24
-iface wlan0 inet dhcp
-wpa_conf /etc/wpa_supplicant/wpa_supplicant.conf
-
-
-auto wlan1
-iface wlan1 inet static
-address 192.168.2.1
-netmask 255.255.255.0
 ```
 
 ## 固定wlan名称
@@ -40,7 +34,7 @@ nano /etc/dnsmasq.conf
 ``` bash
 listen-address = 127.0.0.1, 192.168.1.1, 192.168.2.1
 dhcp-range = 192.168.1.20, 192.168.1.200, 12h
-dhcp-range = 192.168.1.20, 192.168.1.200, 12h
+dhcp-range = 192.168.2.20, 192.168.2.200, 12h
 
 ```
 
@@ -77,4 +71,44 @@ wpa_cli -iwlan0 set_network 0 pairwise TKIP(CCMP)
 wpa_cli -iwlan0 set_network 0 group TKIP(CCMP)
 wpa_cli -iwlan0 set_network 0 eap PEAP
 wpa_cli -iwlan0 set_network 0 identity '"username"'
-wpa_cli -iwlan0 set_network 0 password '"password"'
+wpa_cli -iwlan0 set_network 0 password '"password"'
+
+
+
+## hostapd
+
+``` bash
+interface=wlan0
+# 网卡对应的驱动名  
+driver=nl80211
+# 无线网络的名称是Pi-wifi  
+ssid=Pi-wifi
+# 无线路由器工作模式为802．11g（2.4G）  
+hw_mode=g
+# 无线网卡使用的信道
+channel=10
+# 支持 802.11n
+ieee80211n=1
+# 采用WPA2配置  
+wpa=2
+# 无线网络密码是123456789  
+wpa_passphrase=123456789  
+# 认证方式为WPA-PSK  
+wpa_key_mgmt=WPA-PSK
+# 开启 WMM
+wmm_enabled=1
+# 开启 40MHz channels 和 20ns guard interval
+ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40]
+# 接受所有 MAC 地址
+macaddr_acl=0
+# 使用 WPA 认证
+auth_algs=1
+# 需连接者知道ssid
+ignore_broadcast_ssid=0
+# 使用 WPA2
+wpa=2
+# 使用预先共享的 key
+wpa_key_mgmt=WPA-PSK
+# 使用 AES, 而非 TKIP
+rsn_pairwise=CCMP
+```