Linux

#读者注意: This article can choose not to read the explanation, directly execute the code in 0 of each paragraph(0): Some concepts (can skip direct use (i) 0 of the code)1. Client: Psql. PostgreSQL command-line client program that enters the PostgreSQL

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

==================== instance ==============Delete all. SVN directoriesThat's what I was looking for to find the Linux find command.1) Find. -type d-name '. SVN ' | Xargs rm-rf #先 (Recursive) Find the file directory under the current path that

This chapter blog related Linux knowledge points Computer = hardware + software.Von Neumann theory, five parts: cpu--arithmetic, controller, memory, input device, output device.The Shell environment configuration is configured through

The host environment is Windows8.1, and the virtual machine software uses the VMware workstation10,linux to select the CentOS6.6 x86_64 version.One: Install VMware.To prepare the VMware installation package, click Install to install the application

We know that when a client establishes a session with the server, the client first sends the request, then tpc/ip the three handshake, and the client establishes an SSL session with the server side.The session process is as follows :650) this.width=6

Tag: member function by character command height file nod avoid member.1 introduction of miscellaneous device driversA character device is a device that must be sequentially accessed in serial order, without a system-fast buffer, to understand the

The hostname of the Linux command I used-show or set host nameThis article link: http://codingstandards.iteye.com/blog/804648 (reproduced please specify the source)Description of UseThe hostname command can be used to display or set the hostname

A brief description: LoadRunner monitor Linux resources when the following error pops up:Monitor Name:unix Resources. Cannot initialize the monitoring on 192.168.52.189. Error while creating the RPC client. Ensure that the machine can is connected

What the software can doRAID1. Double read speed, two disks read togetherRaid0. Write two hard drives, one piece to write halfRAID5:RAID1+RAID0 Three pieces of diskMdadm-c/dev/md0-a yes-l 1-n 2-x 1/dev/vdb{1..3}-C; Create-A: Add-L: Priority-N:

Description in Unix, all processes except process 0 (that is, the pid=0 exchange process, swapper process) are created by other processes using the system call fork, where the process called fork creates a new process is the parent process, and the

What is the?This are meant for developers, need to port existing. NET Framework code to. NET Core. But before your start porting, you should understand, and what's want to accomplish with the migration. Just porting to. NET Core because it's a new.

Example of ansible compiling httpd playbook, ansibleplaybook The following is the content of the playbook. The process is as follows: 1. First, a total of 3 .tar.gz files are downloaded in the local directory of apr, apr-util, and httpd. 2.

Sed cultivation series (III): Implementing window sliding technology for sed advanced applications, sed window Directory:1. What is slide window Technology?2. Achieve window sliding2.1 slide the window through the "s" command2.2 Save the window with

[Familiar with linux] compressed and packaged, familiar with linux We often use compression and decompression when using Windows. to compress a file, right-click and choose add to compressed file ], decompress the package, right-click it, and select

Use the script kill process, Syntax: run script + process name, script kill The script is attached below, and the permission must be attached to X for execution. #! /Bin/sh # pid kill thread for chenglee # if fileformat = dos, update fileformat =

Redis cluster mode deployment tutorial in Linux, linuxredis1. Redis deployment The following uses Linux as an example. 1.1 download and compile $ wget https://download.redis.io/releases/redis-4.0.7.tar.gz$ tar xzf redis-4.0.7.tar.gz$ cd redis-4.0.7

Linux commands-linux File and permission management commands-linux permission management 1. ubuntu tips: In ubuntu, you can press ctrl + alt + t to open the terminal, and press ctrl + shift + t to open the second terminal. Adjust the font in ubuntu

Win10 + ubuntu dual-system repair ubuntu boot guide, win10ubuntu Because windows cannot boot linux, and each win10 upgrade or restoration will overwrite the boot guide of linux, resulting in a failure to access linux, so win10 update is disabled all

Complete Guide to installing Apache Tomcat on Linux Apache Tomcat, also known as Tomcat server, is an open-source java servlet cotainer & provides a pure JAVA http webserver environmnet to run java code. This is a well-known and widely used