Tag:Power on

  • Centos7 housekeeper systemctl


    Blog reference http://www.178linux.com/48343 http://www.178linux.com/48674 http://www.178linux.com/48563 http://www.jinbuguo.com/systemd/index.html Introduction to SYSTEMd SYSTEMd was developed by Lennart poetering, an employee of red hat company. SYSTEMd is the latest initialization system (init) in Linux system. Its main design purpose is to overcome the inherent shortcomings of sys V and improve the startup speed of the system. SYSTEMd and upstart […]

  • Centos7 installation mongodb record


    In order to demonstrate the remote installation of mongodb, Tencent cloud recently bought a campus cloud 1-core 2G server at a real price, so it bought one. The activity address is very suitable for students. It seems that not students can experience it for a year, so Xiaobian will experience it with a trumpet. Cloud […]

  • Journal is enabled for centos7 ECS for the first time


    Yum swap source Since the CentOS image of Huawei ECS has been configured with the image source of yum, it is omitted.Related directory: / etc / yum. Repos. D Database installation I prefer to use MariaDB, the open source version of the original author of MySQLyum -y install mariadb-serverThe MySQL command is set automatically after […]

  • The systemctl command of Linux is basically used


    1. Systemctl management instruction Basic syntax:Systemctl [start | stop | restart | status] service name systemctlInstruction management services/usr/lib/systemd/systemsee 2. Systemctl sets the self start status of the service Systemctl list unit files [| grep service name](check the service startup status,grep(can be filtered) Systemctl enable service name(set service startup), yes3(no interface) and5(GUI) run levels are in […]

  • Learn a Linux command every day (43): dmesg


    Yesterday’s recommendation:Learn a Linux command every day (42): unzip Command introduction Dmesg command is used to display system startup information and diagnose system faults. The kernel will store the system boot information in the ring buffer, which can be viewed with the dmesg command. The boot information is saved in the / var / log […]

  • Homelauncher launch


    This article explains the relevant knowledge of launcher startup and corrects the mistakes in some articles on the Internet This article isChicken egg seriesThe fifth article, the last one, can finally end the series. Data reporting process of Linux input system Android inputmanager analysis AMS startActivity() Activity display process carding Homelauncher launch [Code: Android 11] […]

  • K8s actual combat (I) | initialization of production level k8s high availability cluster for operation management


    preface In May, when the flowers bloom in spring, the epidemic situation is basically over, which is worth celebrating. Let’s fight in this beautiful day   K8s high availability load balancing cluster. Update history May 7, 2020 – first draft – Zuo Chengli Original address-https://blog.zuolinux.com/2020/05/07/k8s-cluster-on-centos7.html Platform environment Software information CentOS Linux release 7.7.1908 (Kernel 3.10.0-1062.18.1.el7.x86_64) […]

  • Raspberry pie configuration startup & VNC & Samba


    1. Startup After burning, the root directory of SD boot partition will appear in the folder of the computer. 1.1 create a new SSH document and enable SSH Create a new blank TXT file in this directory, and then change the file name to “SSH”. Note that the suffix of the file should be removed […]

  • Install nginx, nodejs, GIT, mongodb, redis, MySQL and PostgreSQL in the tar package on CentOS 7


    Summarize the following common operation dependencies that need to be installed, including nginx, nodejs, GIT, mongodb, redis, MySQL and PostgreSQL. Installing nginx Install the required plug-ins #Install GCC yum -y install gcc #PCRE, PCRE devel installation yum install -y pcre pcre-devel #Zlib installation yum install -y zlib zlib-devel #Install OpenSSL yum install -y openssl openssl-devel […]

  • Use the systemctl command to manage system services


    Systemctl is a tool used by SYSTEMd to manage systems and services. Many modern Linux distributions, such as Ubuntu, Debian, Fedora, Linux mint, openSUSE and RedHat, use SYSTEMd as the default init system.With systemctl, you can start, stop, reload, restart services, list service units, check service status, enable / disable services, manage run levels, and […]

  • Practical tutorial of system D process management tool


    SYSTEMd introduction SYSTEMd is the main system daemon management tool on Linux system at present. On the one hand, init manages the process serially, which is prone to blocking. On the other hand, init only executes the startup script and cannot manage the service itself. Therefore, starting from CentOS 7, init has been replaced by […]

  • There are many ways for Linux to view boot and run time


    1. Uptime command Copy code The code is as follows: [email protected]:~$ uptime 19:34:40 up 4 days, 4:18, 6 users, load average: 0.00, 0.01, 0.05 It displays the current time of the system, how long the system has been running, how many login users there are, and the average load of the system in the past […]