Modify the password of roo virtual machine vmware8.04 Centos 6.3

As my memory is not very good, so complex things like passwords are easy for me to forget. Search for relevant solutions through a certain degree and record them for later use. Environment: virtual machine vmware8.04 Centos 6.3.One intentionally forgot the password and two-click power supply

2022-06-01 Network Security 我要分享

The files created by each user can be modified and viewed by each user, but only roo

Knowledge storage: special permissions: SUID: when running a program, the owner of the corresponding process is the owner of the program file itself, not the initiator; (it is often used for ordinary users to have administrator privileges to execute certain commands, which is very dangerous) chmod Utility FILEchmod UMAR FI

2022-06-01 Database 我要分享

How to use the regular expression grep correctly

This article shows you how to correctly use the regular expression grep, the content is concise and easy to understand, can definitely brighten your eyes, through the detailed introduction of this article, I hope you can get something. Syntax: grep option 'word' filename-c: type

2022-06-02 Internet Technology 我要分享

Linux system: build ElasticSearch middleware under Centos7, commonly used interface demonstration

Source code of this article: GitHub click here | | GitEE point here 1. Introduction to middleware 1. Basic concept ElasticSearch is a Lucene-based search server. It provides a full-text search engine with distributed multi-user capabilities, based on REST

2022-06-03 Servers 我要分享

Building ElasticSearch Middleware and Common Interface demonstration under centos7 under Linux system

1. Introduction to middleware 1. Basic concept ElasticSearch is a search server based on Lucene. It provides a full-text search engine with distributed multi-user capability, based on RESTful web interface. Elasticsearch uses Jav.

2022-06-02 Servers 我要分享

Building ElasticSearch Middleware under centos7 and Analysis of Common Interface examples

This article introduces the relevant knowledge of "building ElasticSearch middleware and common interface instance analysis under centos7". In the operation of actual cases, many people will encounter this dilemma, so let the editor lead you to learn how to deal with these situations.

2022-05-31 Internet Technology 我要分享

How to build ElasticSearch Middleware in centos7 under Linux system

Most people do not understand the knowledge points of this article "how to build ElasticSearch middleware in centos7 under Linux system", so the editor summarizes the following contents, detailed contents, clear steps, and has a certain reference value. I hope you will finish reading this article.

2022-05-31 Development 我要分享

The structure and Management of linux basic File Directory

First, linux directory structure windows: organize files in a multi-root way C:\ D:\ E:\ Linux: organize files in a single root / (the starting point of all directories is /) / directory structure: FHS [root@localhost

2022-06-02 Servers 我要分享

The size of the Asia-Pacific mobile game market exceeds 10 billion yuan, and Huawei Game Center helps partners achieve sustained growth.

From October 20 to October 22, HUAWEI AppGallery, together with Tencent, Tianyou and 4399, jointly participated in the Thai video games fair (Thailand Game Show, the largest game fair in Southeast Asia).

2023-11-24 IT Information 我要分享

How to use regular expressions in Grep Regex

This article will explain in detail how to use regular expressions in Grep Regex. The content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have some understanding of the relevant knowledge after reading this article. Grep is the most used for text processing in Linux

2022-06-01 Servers 我要分享

How to modify the hostname of Ubuntu 15.04

Editor to share with you how to modify the host name of Ubuntu 15.04, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it! 1. Temporary modification; roo

2022-06-01 Servers 我要分享

MySQL 5.7forgot your password.

Modify the configuration file: [root@MySQL-S mysql] # vim / etc/my.cnf2. Add the following to the [mysqld] module. Skip-grant-tables3. Restart MySQL. [roo

2022-06-01 Database 我要分享

MongoDB operation

# = 2. Mongo==# backup database mongodump-h 127.0.0.1-d eb_mongo-o / roo

2022-06-01 Database 我要分享

Environment configuration of oracle-realize the up and down page flip of oracle sqlplus

Install rlwrap-0.37.tar.gz tool-implement memory and page flip function in SQLPLUS in rpm10g32 path 1. Decompress [root@oracle3 ~] # cd / u01/rpm10g32 [roo

2022-06-01 Database 我要分享

Ansible-playbook batch increases users, modifies user passwords, and deletes users in batch

1. Add users in batch: ansible-playbook adduser.yml [root@mgr ~] # cat adduser.yml-hosts: all remote_user: roo

2022-06-03 Servers 我要分享

How to modify the size of file descriptors in Linux

This article mainly introduces how to modify the size of file descriptors in Linux. It is very detailed and has a certain reference value. Friends who are interested must read it! The default file descriptor size under Linux is 1024, which can be viewed with the following command: [roo

2022-06-01 Servers 我要分享

How to view two columns of characters in awk

This article mainly shows you "how to view a certain two columns of characters in awk". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how to view a certain two columns of characters in awk". [roo

2022-06-03 Development 我要分享

Method of shutting down mysql server

Editor to share with you how to close mysql server, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it! Mysql server

2022-06-01 Database 我要分享

CentOS install expect

Expect is created on the basis of tcl, so before installing expect, you need to install tcl, install TCL download address: http://www.tcl.tk/software/tcltk/download.html[roo

2022-06-03 Servers 我要分享

Oracle 11g uses ASM for storage migration

1. Environment description rhel 6.6 + Oracle 11.2.0.4 storage replacement. You need to add a new disk and replace the old storage disk. Here are the test steps. 2. Testing process [root@roidb1 ~] # cd / etc/udev [roo

2022-06-01 Database 我要分享