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Category: OS

Operating System (Operating System, referred to as OS) is a computer program that manages and controls computer hardware and software resources. It is the most basic system software that runs directly on the “bare metal”. Any other software must be supported by the operating system to run .

Linux file management summary

1. What are the file management commands on Linux, their commonly used methods and related demonstrations    1, ls   Command function:< /span> List the contents of the current directory or speci

October 16, 2021By Simo Linux Document, linux, management, SummaryLeave a Comment

LVM logical volume and disk quota operation Daquan! (With the theoretical cheats)

1. Logical volume management1. Role: Dynamically adjust disk capacity to improve the flexibility of disk management
2. The /boot partition is used to store boot files and cannot be created based on

October 16, 2021By Simo Linux cheats, Daquan, disks, Introduction, logic, LVM, operation, quotas, rolls, theoryLeave a Comment

MacOS Homebrew installed, upgrade Python3

Install brew install python3 Upgrade brew upgrade python3 If you have installed python3 before, you need a new link

brew link –overwrite python span>

October 16, 2021By Simo Macos Homebrew, installation, MacOS, python, Python3, UpgradeLeave a Comment

Linux common command

1. What command is used to create a directory? What command is used to create a file?

Answer:
Create a directory: mkdir
Create a file: typically touch, vi can also create a file, in fact, as

October 16, 2021By Simo Linux Command, common, linuxLeave a Comment

Homebrew – Permissions Refused to install LIBXML2

So I am trying to update my rails environment to support 4.0 and ruby ​​2.0. So far, I have some trouble installing libxslt. When running in the terminal, I get :

$brew install libxml2
Error:

October 16, 2021By Simo Macos Homebrew, installation, LIBXML, LIBXML2, permissions, RefuseLeave a Comment

Hadoop stand-alone in Linux _ Pseudo-distribution _ installation and configuration

Step 1: Create a hadoop user and authorize the hadoop user

(1) In a new Linux system CentOS-7-x86_64-DVD-1708 In the .iso, if the initial user is root and not a hadoop user, then one needs to

October 16, 2021By Simo Linux configuration, Distribution, Hadoop, installation, linux, middle, Pseudo, stand-aloneLeave a Comment

[Data Structure] Mo Team (2)

Today’s content is Bring the repair team.

Momo bought a set of N color pens (some of them may be the same color), arranged in a row, you need to answer Momo’s question. Momo will issue you th

October 16, 2021By Simo Data Structure Data Structure, Mo, TeamLeave a Comment

Osx – Using Homebrew Rift Rsync on OS X

The rsync version on my OS X (10.10.3) is the old version, 2.6.9. I tried to upgrade with homebrew software, but I received the following error:

Error: No available formula for rsync The new

October 16, 2021By Simo Macos Homebrew, OS, OSX, RSYNC, UpgradeLeave a Comment

4. Linear regression

import tensorflow as tf
import numpy as np
import matplotlib.pyplot as plt x_data = np.random.rand(100)
noise = np.random.normal(0,0.01,x_data.shape)
y_data = x_data*0.1 + 0.2 + noise

plt.

October 16, 2021By Simo Mathematics linear, returnLeave a Comment

Process management in Linux

—
title: Process Management in Linux
date: 2019-7-2
categories:
– Linux
—

### View

#### ps

Use ps to view the process running status at a certain point in time. ps auxf -> Li

October 16, 2021By Simo Linux linux, management, Medium, processLeave a Comment

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