Shell pipe directive pipe
Pipe command pipe 1. The pipeline command only processes the standard output, and the standard error output will be omit...
Shell programming specification and variables
introduction In some complex Linux maintenance work, a large number of repetitive input and interactive operations are n...
Linux system security management
Article catalog 1, Account security control 1.1: basic measures for account security 1.1.1: system account cleaning 1...
The new colleague "optimizes" the if else with the strategy mode. The technical director said: can you think about it and then change it?
This article comes from the author's contribution, the original author: God loves apples
...
Research on JBOSS file free web shell
Author: wide byte securityOriginal link: https://mp.weixin.qq.com/s/_SQS9B7tkL1H5fMIgPTOKwThis article is the author's c...
The most easy to understand RSA encryption and decryption Guide
preface
RSA encryption algorithm is an asymmetric encrypt...
Shell syntax specification
ver: 1.0 Blog: https://www.cnblogs.com/Rohn This paper introduces some syntax specifications of Shell programming. The ...
[Linux command] Chapter 12: Learn shell script
Chapter 12 learning shell script
Usually, she...
Hidden scroll bar - > El scroll bar
What is El scrollbar? Element UI, as a set of well-known UI component library of Vue, is almost known by people playing ...
Three methods of generating high strength passwords
Now information disclosure is more and more serious, and a strong password is the first step to prevent the disclosure o...
Data Structure and Algorithms in JavaScript Version--Foundation
This is a sequel to the previous one. Data Structure and Algorithms in JavaScript Version--Basic (1) This article was fi...
Ansible deployment source code nginx
Divide all deployed nginx hosts into nginx groups:
vim /e...
Android Service Basic Usage, AIDL, Binder Connection Pool Details
This article describes the communication between Service and Activity. It contains the following:
...
Shell script introduction, structure, execution, date usage
Shell script introduction
Shell is a program...
Zabbix monitoring MySQL under Windows
1. Create monitoring account in MySQL GRANT PROCESS,REPLICATION CLIENT ON *.* TO mysql_monitor@'localhost' IDENTIFIED BY...
Linux sets the permanent and effective way of "the maximum number of files that can be opened by the process"
0. Before setting [root@localhost ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited sched...
One of the shell scripts: Introduction to shell scripts
1. Introduction to shell scripts (1) Script cases and introduction: #!/bin/bash LOG_DIR=/var/log ROOT_UID=0 if ["$UID -n...
VScode+SDL2 configuration tutorial
The day before yesterday, I wanted to find a graphic library to write a small tool, and I wanted to find a smaller graph...
Regular expression and grep instruction in Shell programming
#In fact, regular expressions complete data filtering, reject the data defined by the unsatisfied regular expressions, a...
rockchip rk3368(px5) vehicle development road 5, enabling GPS module UC6226 (2.HAL layer and above)
This series records the author's journey to a new car aftermarket company, which is responsible for maintaining a set of...
Regular tasks of ordinary users in linux
Reference resources:
Details of crontab command Mail usag...
[algorithm summary] graph theory / dp dynamic programming summary
Written in a corner of konjaku - Z On February 7, 2020, graph theory and dpdpdp finally come to an end. When I look ba...
Linux driver easy to learn notes
PC operating system: Ubuntu 16.04 LTS Compiler: arm poky Linux gnueabi GCC 4.9.1 Based on the i.mx6 platform, the Linux ...
iOS reverse -- Introduction to otool command
First, you can try your own ipa package.
Select your ipa ...
Basic commands of Hbase Shell
Article directory 1, Enter HBase command line 2, Operation of HBase table 3, create 4, View table list 5, View table de...
Maximum number of threaded processes linux can run
cat /proc/sys/kernel/threads-max
The maximum number of th...
Linux -- shell programming summary for loop, while loop, until loop
1. For loop: for loop will assign one parameter to var for loop format: for var in parameter do commands done Example: ...
Git on 4 server - configure server
Let's see how to configure ssh access on the server side. In this case, we will use the authorized_keys method to authenticate the user. At the ...