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Note

docker

1. docker访问宿主机外设地址(/dev/mem)

sudo docker run --rm -it --name test_mmap --device /dev/mem:/dev/mem --cap-add SYS_RAWIO --user root ubuntu:16.04 /bin/bash

2. docker新建一个容器

docker run -it --name example -v /host/path:/docker/path --user root image:tag /bin/bash

3. docker容器登录到某个用户

docker start containerID
docker exec --user username -it containerID /bin/bash

samba

1. 更换samba服务的端口号,通过访问本机的1399端口来访问samba服务:

netsh interface portproxy add v4tov4 listenport=445 listenaddress=127.0.0.1 connectport=1399 connectaddress=192.168.138.1

route

1. windows设置永久静态路由

route -p add 192.168.138.0 mask 255.255.255.0 192.168.31.1

markdown

1. 添加图片与标题(当前目录下,居中,80%比例显示)

<div align=center> 
<img src=./123.png width = 80%/> 
<br>
<div style="color:orange; border-bottom: 1px solid #d9d9d9;
display: inline-block;
color: #999;
padding: 2px;">图1 123</div>
</div>

linux

1. 查看使用者user1与python3的进程

ps -aux | grep user1 | grep python3

2. 从根目录开始查找所有扩展名为.log的文本文件,并找出包含”ERROR”的行

find / -type f -name “*.log” | xargs grep “ERROR”

latex

1· 将公式中的部分斜体变为直体

  • 全局使用
    $\mathrm{ab \times cd = ef}$
  • 局部使用
    $\mathrm{ab} \times cd = ef$

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