Tag:Power on

  • How to delete XP system computer boot password — win7w.com


    In order to make the computer more secure, the power on password is set. It is troublesome to enter the computer only after entering the password every time the computer is turned on. If there is no privacy in the environment and children are worried about stealing the computer, the computer boot password can be […]

  • Docker installation method


    centos8 Official documents Set up repository 1. If the storage driver uses devicemapper, it needs to rely on device mapper persistent data and lvm2. (if not, please ignore this step.) $ yum install -y yum-utils device-mapper-persistent-data lvm2 # OR $ dnf install -y device-mapper-persistent-data lvm2 2. Set up a stable repository (alicloud source), official Repository:https://download.docker.com/linux/centos/docker-ce.repo […]

  • linux k8s


    1. Execute the following command on all machines to prepare the installation environment: (note that all machines, master and slave nodes should be installed) 1.1. Install the EPEL release source yum -y install epel-release 1.2 turn off the firewall for all machines systemctl stop firewalld systemctl disable firewalld setenforce 0 #View firewall status firewall-cmd –state […]

  • Centos7 view open port command and open port number


    1. View the open ports firewall-cmd –list-ports 2. Open a single port(the firewall needs to be restarted after opening) firewall-cmd –zone=public –add-port=8080/tcp –permanent 3. Open multiple ports(the firewall needs to be restarted after opening) firewall-cmd –zone=public –add-port=20000-29999/tcp –permanent (– permanent refers to permanent effect, not to single validity (restart failure)) 4. Close the port(the firewall […]

  • Linux restarts the server regularly


    Requirement description The system configuration is low, and the application program has been executing timing tasks. After the program runs for a period of time, it is found that the interface request will become very slow, and the server needs to be restarted regularly in the morning every day Script implementation 1. Input crontab – […]

  • Add script to Linux boot


    New update, edit / etc / RC. D directly/ rc.local You don’t need to create a new one vim /etc/rc.d/rc.local Using chkconfig Write a script first #!/bin/sh #chkconfig:2345 80 90 #decription:autostart nohup ~/frpc_linux_amd64 -t 7693dddbc9cc1413 -s 32 # mysql ! / bin / SH is the beginning of the shell script chkconfig:2345 80 90 is […]

  • Ubuntu18.04 global beautification


    Let’s beautify the finished pictures first Mainly make a record System environment: 1、ubuntu 18.04 2、VMware 14 3. Beautify the theme and icon needed by Baidu cloud Link:https://pan.baidu.com/s/1Om8n… Extraction code: 4axn Formal start of beautification It is recommended to use root to log in to the Ubuntu system directly The first step First install the corresponding […]

  • How is there no sound after the computer is turned on?


    Do you know what to do when you turn on your computer and occasionally find that there is no sound? The following small series for you to introduce solutions, will not friends can refer to this article, I hope to help you! Download a software Download if you don’t have “computer manager”, you may as […]

  • Installation and use of docker under centos7


    View Linux version Docker does not support versions of lower 3.8 kernels uname -a Check if the previous version is installed yum list installed | grep docker Uninstall old docker yum remove -y docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-selinux \ docker-engine-selinux \ docker-engine Install the necessary […]

  • Making a music player with raspberry pie


    I bought a raspberry pie 3B +. After installing the system, the ash fell to a thick layer. I didn’t know what to do… Recently, I came up with an idea: make a music player with raspberry pie, play English listening automatically from 6:30 to 7:20 every day, force yourself to practice English, and cure […]