linux raw socket grabs network packets

Packet capturing based on linux 1, Get data When we do network security or data detection work, we often use packet capturing. Familiar tools include tcpdump, wireshark, etc. Here we introduce how to use C program raw socket to grab IP link layer packets on linux system. First of all, we are familia ...

Posted on Sat, 20 Jun 2020 03:21:55 -0400 by bamfon

Install MySQL on Linux system and connect mysql on the host (detailed)

All filenames in this article are just identifiers, and the specific content is written according to the specific situation!! All filenames in this article are just identifiers, and the specific content is written according to the specific situation!! All filenames in this article are just identifiers, ...

Posted on Fri, 19 Jun 2020 01:50:28 -0400 by roflpwnt

Centos7 logical volume management (LVM)

1, LVM concept 1. A physical device is a storage device used to retain data stored in a logical volume. They are block devices that can be disk partitions, entire disks, RAID arrays, or SAN disks. Devices must be initialized as LVM physical volumes to work with LVM. The entire device will be used as ...

Posted on Wed, 17 Jun 2020 21:17:06 -0400 by fmpros

Notes on "from introduction to mastery of embedded system in maker College" -- 10 comprehensive mastery of embedded system transplantation

  catalog   01 basic concept of embedded, building of embedded development environment, building of target machine, building of TFTP service, building of NFS service 1. System migration overview and environment construction 1. General embedded system software components 2. Conditions and prospe ...

Posted on Wed, 17 Jun 2020 01:19:12 -0400 by hessodreamy

[Chapter 1 - knowledge] 2. Performance optimization - Bootchart analysis of Android 7.1 Bug

The author of the original text: a detailed account of the past and the future Article link: link Article catalog What is Bootchart What is it in Android Google introduction Google translation in Chinese Bug solution There is only one truth! What is Bootchart Bootchart is an open source softwa ...

Posted on Tue, 16 Jun 2020 22:35:13 -0400 by pointsplat

Use Node.js Drive Redis to implement a message queue!

Write at the beginning Recently Devops and Micro Front End have written almost the same, I started reviewing the knowledge of the back end, I wanted to write this article before, and finally fell to the ground If you want to join the front-end communication group, you can contact me at the end to join Official Start Mac|Linux recommended for ...

Posted on Tue, 16 Jun 2020 22:14:17 -0400 by parkej60

Create a yum warehouse and logical disk partition

1. Build your own yum warehouse, which is network source and local source respectively.Network Source:1. First create a yum warehouse: [centos@localhost ~]$ yum install createrepo 2. Disable the original yum network source. [root@localhost yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.bak 3. Edit CentOS-Base.repo [base] name=Base Repo on ...

Posted on Tue, 16 Jun 2020 18:20:31 -0400 by joshberm

Centos7 deployment keepalived high availability architecture

brief introduction The function of Keepalived is to detect the state of the server. If a web server goes down or fails to work, Keepalived will detect it and remove the failed server from the system. At the same time, other servers will be used to replace the server's work. When the server works normally, Keepalived will automatically add the ...

Posted on Tue, 16 Jun 2020 03:33:43 -0400 by altergothen

An article on filebeat (ELK)

The filebeat used in this article is version 7.7.0This paper illustrates from the following points: What is filebeat and what can it be used for What is the principle of filebeat and how it is constructed How should filebeat play 1. What is filebeat 1.1, filebeat and beats First filebeat is a member of Beats.Beats is a lightweight l ...

Posted on Mon, 15 Jun 2020 22:05:28 -0400 by intellivision

kubernetes Getting Started to Actual Guard and Task Controller --(01)

1. DaemonSet controller Introduction to 1.1 DaemonSet When introducing DaemonSet, let's first think about a question: I believe everyone has been exposed to monitoring systems such as zabbix. Monitoring systems need to install an agent on the monitored machine. Installing an agent usually involves the following scenarios: All nodes must have ...

Posted on Mon, 15 Jun 2020 15:38:21 -0400 by zman