linux learning curve

Data can not be separated from server storage, Linux is free, open source, relatively stable and secure relative to other operating systems, is the preferred operating system for server-side deployment.There are a lot of learning materials about Linux on the web, just a simple list of Linux

Summary: Learn about SD card specifications, including definition, hardware features, data transfer, command system, etc. No code is involved. This article is written for Linux driver development to help understand the SD card driver and does not involve excessive hardware content. Outline: 1. SD Card Introduction 2. SD Card Hardware Specification 3. SD Card Directive specification 4. SD Card Register 1.

Linux Bash getting started learning notes, linuxbash learning notes It is very useful to learn shell programming well. You can use shell scripts to easily complete interesting work. Address: http://www.cnblogs.com/yhLinux/p/4047516.html Bash instanceBy Daniel Robbins (drobbins@gentoo.org), President and CEO, Gentoo Technologies, Inc. This article is divided int

Linux File Permission learning summary, linux permission Summary 1. What permissions do users have for files or directories? Four types: read, write, execute, and no permission 2. How do I express these four permissions? In decimal format, the values are 4, 2, 1, and 0. in decimal format, the values are r, w, x, and ,-. In my opinion, when you use the chmod comma

-Close all running processes and restart the system ( the system will restart continuously ).Run-level switching:[[Email protected] ~]# Init 5Inittab File Analysis:In Inittab, all entries take the following format: id:run-levels:action:processID: identifier, typically two-bit letters or numbersRun-levels: Specifies the run level, you can specify multipleAction: Specifying the Run stateProcess: Specify the script/command to run=====Action Common values:Initdefault: Specifies the operating level o

between the return \ r \ n, recommended configuration: Set Fileformats=unix,dosThere are several cases of common garbled characters:(1) The file is garbled when the Windows environment files are under RZ to LinuxSolution: 1. Use notepad++ to convert the file format to UTF-8 no BOM format or ANSI encoding format before RZ; 2.set Encoding=utf-8;(2) garbled in SECURECRT or xterm2 editing environment, simply adjust the character encoding to GB2312 or UTF-8 in the session options(3) When the log fil

' This server would shutdown after20:25+10+10 system 10 minutes after reboot reboot is reset, equivalent to Shutdown–r now Halt shutdown system, equivalent to Shutdown–h now and PoweroffIn conclusion, whether it is rebooting the system or shutting down the system, first run the sync command to write the data in memory to disk.The command to shut down has shutdown–h now halt Poweroff and Init 0, and the command to restart the system has shutdown–r now reboot init 6.Reference: https://code.ziqian

format expansion without uninstallation)The xfsgrowfs/dev/vg1/lv1 must be mounted at the time of the command operation.df-h View, you can see that the size has been enlarged to 300M.The logical volume space cannot be larger than the volume group space, and the volume group needs to be expanded before the logical volume can be scaled up after the volume group space has been consumed by the logical volume.vgextend vg1/dev/sdb3 adds/dev/sdb3 into VG1vgdisplay View Volume group information, you can

Recently began to re-system learning Linux, the release of more than the choice of Linux Mint this.The learning environment uses two different ways of comparing virtual machines and real machines.Hardware environment:Virtual machines installed on Lenovo's I5 machines, installing the VMware 12 software to implement,The

.[[email protected] desktop]$ umask 027 --Modify default permissions [[email protected] desktop]$ umask --View default permissions 0027[[email Protected] desktop]$ Touch test.txt --Create file [[email protected] desktop]$ ls-ld test.txt --file's permission code is: 640-rw-r----- . 1 Chanshuyi chanshuyi 0 Nov 07:32 test.txtThe above command modifies the default permission to create a file or folder: 750, which is the owner RWX permission, the owning group R-x permission, the other person has

book or Pdf,hello World code will be different from the above code, it is recommended to use the above code, compared to the old version of the 2.0 era code (the first edition is about 2000 years published), but the content of the book has not changed too much. Let's get to the point today.This simple function can be compiled, but if you compile directly with GCC, you will get the following results.Here mo.c is my source program file.Can see this time the compiler error, no such file or d

Installation of Linux systems:1.linux System Installation Method three kinds:1. Install the Linux system independently.2. Install the Linux system on the virtual machine.A. Install the virtual machine, basically go all the way down.B. Install Linux.Partitioning is key when C.linux is installed./boot partition 100M./swa

under the file, it is best to avoid some special characters better! For example under these:*?> Because these symbols in the text interface, there is a special meaning. Additionally, the file name begins with the decimal point "." When, represent this file as hidden file! At the same time, as the command is released, you will often use options such as-option, so you should also avoid naming the file name at the beginning of-or +. Related articles recommended:

* *.Second, installation Scikit-learnExecute command:Conda Install Scikit-learnSecond, installation KrasExecute command:Conda Install KerasThe required tensorflow is automatically installation during installation of the Keras process.At this point, deep learning, machine learning development environment has been installed, you can commandSpyderOrJupyter NotebookOpen your favorite IDE for development, enter

Linux learning-server B mounts the folder of server A, and linux mounts Environment:CentOS 1, 7.0 1. In centos, server B mounts the folder of server. Server A: 101,. 10.0.1Server B: 101.10.12.1Prerequisites: ensure that the server A and server B have/ifs/data/folders.Objective: To mount the/ifs/data/folder of server A to your/ifs/data/folder on server B. Step 1.

As a novice, learning Linux has been one months, during which encountered a lot of problems, and today I encountered the problem is#yum Install Pam-devel#This system is not registered to Red Hat Subscription Management. You can use the Subscription-manager to register.Setting up Install ProcessNothing to doAfter a morning study found that, in fact, if the use of Redhat yum source need to register pay, time

Order？？？ This is a broken note to order??I started learning Linux yesterday and took notes for later.Linux system directory structure diagrambin--is mainly used for storing binaries (such as command files) boot--boot directory dev--device directory ect--configuration folder home--User folder lib--Library folder mnt--mount directory opt--usually large software installed here proc--Real-time information ( Onl

direction of the search command (previous)Q: ExitMan segmentation mechanism: 1-81. User Commands 2. System call 3. Library call 4. device file 5. file format 6. Games 7. Miscellaneous 8. Administrative commandsLinux Learning Rollup a common command: # TTY: Displays the terminal device file for the current terminal, which is the end access type# Who: View all users and their information for the current system login# Hash: View Hash table# Whatis

direction of the search command (previous)Q: ExitMan segmentation mechanism: 1-81. User Commands 2. System call 3. Library call 4. device file 5. file format 6. Games 7. Miscellaneous 8. Administrative commandsLinux Learning Rollup a common command: # TTY: Displays the terminal device file for the current terminal, which is the end access type# Who: View all users and their information for the current system login# Hash: View Hash table# Whatis

Linux learning, linux Linux CommandSu: Switch the Swith user to the root user.Cat: ConcatenateUname: Unix name system nameDf: Disk free hard DiskDu: Disk usage hard Disk usageChown: Change ownerChgrp: Change group Change User groupPs: Process StatusTar: Tape archive decompress the fileChmod: Change modeUmount: Unmount