Experimental report of City College of Zhejiang University
File download: https://download.csdn.net/download/OwemShu/83598798
1, Experimental purpose
1. Master the configuration method of static route;
2. Understand the function and principle of routing table.
2, Experimental equipment
Cisco router 2911; PC.
Routing module, serial port l ...
Added by corporateboy on Sun, 06 Mar 2022 05:29:01 +0200
What is DHCP:
DHCP (Dynamic Host Configuration Protocol) is a LAN network protocol. It refers to a range of IP addresses controlled by the server. When the client logs in to the server, it can automatically obtain the IP address and subnet mask assigned by the server.
DHCP has three mechanisms for assigning IP addresses:
Automatic Allocation ...
Added by venradio on Sun, 06 Mar 2022 05:01:19 +0200
Add fixed IP to Ubuntu instance of multipass
Multipass is a VM software discovered the day before yesterday. It is similar to Docker, but it feels that the instructions are relatively simple to use. The startup speed is much faster than Vmware, so Vmware, which has been used for many years, is abandoned. Recently, I found that many things, if ...
Added by 22Pixels on Sun, 06 Mar 2022 04:16:25 +0200
1, Install Ubuntu 20 on raspberry pie 4B 04
Preparation of raspberry pie
1. Download ubuntu version installation package
You can find it on the official website of ubuntu
2. Format the SD card with DiskGenius, delete all sectors, and then format.
3. Write to SD card
Download the official burning tool, connect the SD card to the com ...
Added by smithmr8 on Sat, 05 Mar 2022 18:56:48 +0200
this article only deals with the simple use of the above software, which is strongly personal. For more comprehensive and detailed use, please refer to the official website.
1, What's good about the new software
1. cat,less =>bat
the commonly used cat command is used to connect multiple files and print to ...
Added by Cherry on Sat, 05 Mar 2022 18:49:07 +0200
Kernel version: linux 4.9.225. Take freescale as an example. (some contents need to be modified and supplemented, which may not be accurate)
In the previous article, the controller driver uses the connection mode of platform bus. In this section, the PHY device driver is based on the connection mode of device, d ...
Added by KirstyBurgoine on Sat, 05 Mar 2022 18:06:19 +0200
1. Zombie process
1.1 definition of zombie process:
The parent process creates a child process, and the parent process ends before the child process. If the resources of the child process are not released, it will become a zombie process and continue to occupy system resources
1.2 solutions to zombie process
Before ending, the child proce ...
Added by DaPrince on Sat, 05 Mar 2022 17:22:58 +0200
1, Brief description
Syzkaller is a kernel fuzzy testing tool developed by Google. In short, it automatically inputs various effective, invalid and completely randomized parameter data to the kernel, and observes the operation status of the kernel, whether there are panic, memory leakage and other problems, so as to discover the vulnerabilitie ...
Added by majik_sheff on Sat, 05 Mar 2022 14:59:12 +0200
Judge by document type
Test optionseffect-bJudge whether the file exists and whether it is a block device file (yes, the block device file is true)-cJudge whether the file exists and whether it is a character device file.-dJudge whether the file exists and whether it is used as a directory file.-eDetermine whether the file ex ...
Added by Josh1billion on Sat, 05 Mar 2022 12:37:12 +0200
Pipes and shared memory: byte stream data Message: datagram (type + data) Queues: priority queues You can specify the type to read. Under the same type, it is in the order of first in first out Operation of message queue:
1. Create and access a message queue #include <sys/types.h> #include <sys/ipc.h> #include <s ...
Added by Thrakorzog on Sat, 05 Mar 2022 11:56:50 +0200