Linux

First, installation Crosstool-ng1 , establish Arm-linux-tools directory, and enter the directory$ mkdir arm-linux-tools $ cd arm-linux-tools 2 , Get Crosstool-ng the source code$ wget http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.20.0

1. save time by manually downloading the required packages in the production processthe packages used are as follows ( Different versions of all package versions differ )

Often use Linux for development, software installation, environment deployment, etc., will use some common commands, below is I usually use or collected under the Linux Common command set:Type command to see whether a command is an external command

1. How to view file permissions1) Master Use the Ls–l command to view the permissions set on the file.Drwxr-xr-x. 2 root root 6 binfmt.dPermissions information hard-link number is the main genus group File size file creation time filename2) Master

1. PrefaceThe first question that came to the students who had just come into contact with Linux kernel was: Where do I start? 、The way Linux kernel is opened is a variety of ways: starting with a simple device driver, starting with the directory

Directory /etc/fstab Introduction Parameter introduction Some issues with configuring this file First, IntroductionBefore you introduce/etc/fstab, you need to understand the relationship between the mount and the file:In fact,

First, prefaceFor interrupt handling, Linux divides it into two parts, one called Interrupt handler (top half), something less urgent to handle is deferred, and we call it deferable task, or bottom half. How to defer execution is divided into the

20. Create a new user forget to use the-M option, will not create a new user's directory in the home directory, the simplest way is to use Userdel Delete new user re-create, no directory Although veteran can operate, but the time is long, you do not

File system-high-speed buffer zone:First, why do we need a buffer zone instead of directly accessing the data in the block device. This is because the read and write speeds between IO devices and memory do not match and there is a bit of data that

Log in to XenServer. To modify the virtual machine disk sizeModify the storage disk size Start a virtual machine Modify Partition sizeFdisk/dev/xvdaThe number of cylinders for this disk was set to 5221.There is nothing wrong with the, but this

1.Openstack 监控工具：zabbix DockerPython RHCSA, RHCE, RHCA (Certified)Linux distributions:Slackware:Suse, OpensuseDebian:Ubuntu, MintRedhat:Rhel, Fedora, CentOSArchLinuxGentooLfs:linux from scratch 3. Package Manager:Rpm:RHEL, Fedora,

5.1 LinuxMemory Subsystemwhen diagnosing memory performance problems, it may be necessary to observe how the application executes at different levels of the memory subsystem. At the top level, the operating system determines how to utilize swap

First, Git introductionGit is a free, open source distributed version control systemCharacteristics:Git is an open source distributed version control system that works,High-speed processing from very small to very large project version

Install Wine 3.0 stable edition on RHEL, CentOS, and Fedora Wine is an open-source and free Linux application that allows you to run any Windows-based application on Unix/Linux operating systems. The Wine team keeps releasing their versions every

Tutorial on installing Redis database in Linux system, linuxredis Install the Redis database in Linux. 1. First put our compressed package under the opt folder. Redis-3.0.4.tar.gz this is my compressed package. 2. decompress the package with the

Install and configure hadoop, jdk, Hbase, and phoenix in the pseudo-distributed environment under Ubuntu16.04, and set up hadoophbase I. Preparations Installation Package link: https://pan.baidu.com/s/1i6oNmOd password: i6nc Environment

In linux, how does one solve the problem that IP addresses do not change in different local networks ?, LinuxipProblem description When we use linux in different environments, we will find a problem: we call the ifconfig command anywhere, and the

Linux jenkins deployment tutorial, linuxjenkins Jenkins was formerly known as hudson. The former is an open-source free version, and the latter is used for the commercial version. Install jdk (the installation package can be downloaded directly from

Elasticsearch + Logstash + Kibana ELK stack is a combination of three open source software: Elasticsearch, Logstash, and Kibana. Currently, all are under the Elastic. co company name. ELK is a common open-source log monitoring and analysis system,

In-depth introduction to Hadoop HDFS The Hadoop ecosystem has always been a hot topic in the big data field, including the HDFS to be discussed today, and yarn, mapreduce, spark, hive, hbase to be discussed later, zookeeper that has been talked