DAY02_ operating system, Network and Linux Foundation

I. Operating System Fundamentals Operating system concepts: procedures for coordinating, managing, and controlling computer hardware resources and software resources The operating system consists of the kernel of the operating

Linux Network device drivers

Linux network devices are different from character devices and block devices, and no files correspond to network devices. The application operates the network device through the socket.The network device driver belongs to the data link layer,

Linux Virtual machine learning environment Build-virtual machine installation

Connect to the Linux virtual machine learning environment Build-Virtual machine Create "click" to open this virtual machine, enter the system installation interface.650) this.width=650; "Src="

Getting Started with Linux

Alias, clock, simple commands, bash shortcut keys, helpAlias definition aliasesDefines the alias name, which is equivalent to executing the command valueAlias Name= ' VALUE '1650) this.width=650; "Src=" https://s2.51cto.com/oss/201711/20/6677cb588a13

Linux 101 Hacks 2date,grep,find

Tag: Row ext uses RAS get Jason to manipulate pattern hisIt feels so foolish to press the author, I still put the things I feel goodDisplay the current time in a specific formatThe following methods can be used to display the current time in a

Linux 101 Hacks First CD command

This series comes from "Linux 101 hacks", the author also wrote other 101 hacks tutorials, read a few chapters, think skills are also good, very practical, do a summary collection.CdpathSet the base directorypwd/home/ramesh[[email protected]-db ~]#

Linux Series Tutorials (16) ACL permissions for--linux Rights Management

Through the previous two blog we introduced the Linux system user management, Linux users and user group management of the relevant configuration file to explain the user management of the relevant configuration files, including user information

Detailed Linux background running and shutting down, viewing background tasks

First, &At the end of a command, you can put this command in the background to execute, asWatch-n sh test.sh & #每10s在后台执行一次test. Sh scriptTwo, CTRL + Z (the task is placed in the background and in a paused state)You can place a command that is being

Linux encoding conversion arbitrary encoding conversion Universal conversion A batch conversion script when unable to confirm source encoding

Reprint Please specify source: http://www.cnblogs.com/blazer/p/7808639.htmlA more general method, all the system has been encoded, all the conversion, from the results to filter the encoding you need.If you execute: SH test.sh t1.csv, the

Linux modification Time Daquan

We generally use the "date-s" command to modify the system time. For example, the command to set the system time to June 10, 1996 is as follows.#date-S 06/10/96The command to set the system time to 1:12 P.M. 0 seconds is as follows.#date-S

Enterprise-elk log Analysis for Linux

First, Introduction1. Core compositionELK Consists of three parts: Elasticsearch,Logstash and Kibana ;Elasticsearch is an open source distributed search engine, it features: distributed, 0 configuration, automatic discovery, Index auto-shard, index

Linux Ultra-practical aide (advanced intrusion detection system)

Niche Blog: http://xsboke.blog.51cto.comNiche Q q:1770058260-------Thank you for your reference, if you have any questions, please contact I. Introduction of Aide1. Role2. Principle3. InstallationIi. introduction of aide DocumentsThree, aide

Linux copies all files under the specified directory to another directory

Linux copies all files in the specified directory to another directoryCopy all files in the specified directory to another directoryThe copying of files and directories is often used. The commands for copying under Linux are CP.Assume that the

Linux kernel parameter optimization

This article is reserved for your usual use.Reference article:Linux kernel tcp correlation parameter explanationHttp://os.chinaunix.net/a2008/0918/985/000000985483.shtmlLinux kernel parameter optimizationHttp://blog.chinaunix.net/uid-29081804-id-3830

Linux users and Groups manage content---learning notes

User and Group ManagementWhy should I have user and group management?For Security and task assignment (identity authentication)Form:AAA (Cisco developed and established):1, Authentication (authentication): Verify that the user can gain access.2.

Several ways to run the Linux process in the background (screen)

ctrl+z/bg/nohup/setsid/&In Linux, if you want the process to run in the background, in general, we'll add & after the command, in fact, this is putting the command into a job queue:./rsync.sh JobsHowever, if the process is executed above the

Linux Network (iii)

One, Linux jobs and prioritiesIi. ICMP and FTP-related commandsThird, tracerouteIv. tcpdump one, Linux jobs and prioritiesNice job FG BG Nohup ReniceJobFront-end operation (foreground): Starts with terminal and occupies terminal after

Linux File size directive & programming

In the work and daily programming often need to determine the size of the file, some basic view of the way to do a summary.A. Linux shell EnvironmentDF can view the first-level folder size, usage scale, file system and its hang-in points, but there

Linux multithreading implementation and thread synchronization function analysis

In Linux, the nature of multithreading is still the process, and it differs from the process:Process: Independent address space, with PCBThreads: There are also PCBs, but no separate address space (shared)Features of the thread:1, the thread is a

. NET core compatibility Windows & Windows compatible Linux

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.

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