linux System Custom Resolution

Open the terminal and enter the following command: Step 1 xrandr Output: Virtual1 connected primary 1440x900+0+0 (normal left inverted right x axis y axis) 0mm x 0mm View the currently connected display device Virtual1 2 Steps gtf 800 480 60 output # 800x480 @ 60.00 Hz (GTF) hsync: 29.82 kHz; pclk: 29.58 MHz Modeline "800x480_60. ...

Posted by casty on Mon, 13 Jul 2020 09:29:58 -0700

Solving Chinese Scrambling Problem of mysql+python on mac Platform

First, for mysql databases, the default character is latin1 This latin1 is the culprit that we can't write in Chinese.The solution, then, is to change the character set to UTF-8 The easiest way to do this is to modify the windowMy.iniProfile),My.iniWhere and how to modify it to UTF-8 is as follows: https://www.cnblogs.com/Ray-xujianguo/p/332 ...

Posted by Yetalia on Sun, 12 Jul 2020 08:38:36 -0700

Turn on your terminal to force the first step

My Terminal Welcome Page As a developer, the intimacy with the terminal is certainly not generally high. That is the picture I open the terminal to, whether it is full or not, 23333. Here's how to configure it on the mac, and other systems should be the same. Open the terminal first (if not, then you can't configure the old fellow). Ente ...

Posted by maxic0 on Sat, 11 Jul 2020 09:24:00 -0700

Installation and Startup of Elasticsearch under UBUNTU

1. Installation 1. Add ppa source sudo add-apt-repository ppa:openjdk-r/ppa 2. Upgrade system apt-get source sudo apt-get update 3. Install jdk8 Elasticsearch was developed in practical java, so JVM is required to run, so we need to install jdk sudo apt-get install oracle-java8-installer 4. Check jdk Execute the follow ...

Posted by KenGR on Thu, 09 Jul 2020 08:06:18 -0700

Deploy and install MySQL 5.6.23 on linux

download Download lrzsz first: upload mysql package on window s to linux yum -y install lrzsz Enter / usr/local directory rz: select mysql package Check if your computer has mysql installed ps -ef|grep mysqld root 2493 2423 0 19:48 pts/3 00:00:00 grep mysqld rpm -qa |grep -i mysql Unzip and rename the uploaded mysql ...

Posted by hmgroen on Thu, 02 Jul 2020 09:16:59 -0700

02 Ceph cluster planning and deployment of mimic

Reference connection:< https://docs.ceph.com/docs/master/ 2.1 cluster planning At least three Centos7 system virtual machines are used to deploy Ceph cluster. Hardware configuration: 2C4G. In addition, each machine should be equipped with at least three hard disks (5g for each disk) HOST IP Service Mark cephmanager01 public network:1 ...

Posted by BenInBlack on Tue, 30 Jun 2020 00:50:02 -0700

Introduction and use of systemctl command

Systemd program Systemd is actually a program used by Linux system to manage the system, which is used to replace the original init process (used to manage and start other service processes of the system). Now many Linux distributions have their own Systemd programs. systemctl command 1. Unit systemctl command is the most important command in ...

Posted by ramrod737 on Sat, 27 Jun 2020 01:33:42 -0700

brew for Mac installation (an effective way to test after stepping on numerous pits in 2020)

A new computer It took only one year for MacBook air to retire due to insufficient memory and hard disk. It updated the customized version of MacBook pro, and I would feel uneasy when I was happy because I had to reinstall the software to prepare for it. Sure enough, when installing brew, there was no ...

Posted by PDP11 on Sat, 20 Jun 2020 01:55:25 -0700

Configuration of hadoop pseudo distribution mode and some common commands

The history of big data 3V: volume, velocity, variety (structured and unstructured data), value (low value density) Technical challenges brought by big data Increasing storage capacity Difficulty in obtaining valuable information: search, advertisement, recommendation Data processing scenario ...

Posted by jmansa on Sat, 20 Jun 2020 00:46:03 -0700

The magic soldier chapter of the cult diary: 1

The magic soldier chapter of the cult diary: 1 Article catalog The magic soldier chapter of the cult diary: 1 ArchLinux-cn Artifact YAY Desktop Environment xinitrc Break in a piece of news VIM configuration ZSH | oh-my-zsh Continue xinitrc i3 Random code problem one Random code problem two So ...

Posted by arisjb on Sat, 20 Jun 2020 00:28:24 -0700