Add drivers for VMwareESXi s

Some servers are missing drivers when installing ESXis, such as finding me unable to find a hard disk or network card when installing Wave Server NF8460M3, and I need to add drivers to the ESXis installation package by myself. Prepare Driven Packaging Tool WMware now uses the driver packaging tool updated to PowerShell-based VMware.PowerCLI, w ...

Posted by inkfish on Mon, 22 Jul 2019 12:10:15 -0700

Cgroup Practice-Computing Method of CPU Utilization Rate under CFS

This paper mainly records some practical processes, mainly analyses how to calculate CPU usage under CFS, referring to the code of system d-cgtop. 1 test case [root@ecs]# mount -t cgroup cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd) cgroup o ...

Posted by JD-AM on Mon, 22 Jul 2019 08:23:25 -0700

ubuntu shows or hides the grub selection menu

ubuntu 12.04. The ubuntu dual system installed after installing windows always shows the grub selection menu at startup time. You can select different versions of ubuntu kernel s to start However, for a simple ubuntu system, the corresponding menu is not displayed for selection after boot-up. Referring ...

Posted by sgoku01 on Sun, 21 Jul 2019 18:23:08 -0700

Qt Writes Custom Control 32 - Waiting for Progress Bar Control

I. Preface In a variety of task interfaces, sometimes it takes more time to give an intuitive waiting progress bar to show the progress of the current execution, instead of being forced there, users will not feel dead or why. There are several ways to wait for the progress bar, such as directly asking the artist to do the gif map, using QLabel ...

Posted by slak on Sat, 20 Jul 2019 23:56:43 -0700

On-line production environment deployment Djngao+Nginx+Uwsgi

Have you ever thought about porting a Django project from windows to Linux? Linux performance is well known. As a server running Django, it's very suitable. Today, let's share how to run a Django project in the Linux environment of an online cloud machine. Client Access Server Process 1. First, the client requests service resources. 2.nginx, ...

Posted by Ixplodestuff8 on Sat, 20 Jul 2019 19:13:23 -0700

Case 5. Monitoring disk usage

Disk monitoring is the most basic monitoring, but in many cases, monitoring disks are ignored due to negligence of operation and maintenance, resulting in accidents.Friends who wish to read this article must take monitoring disks seriously. The requirements for this case are as follows: 1) Detect disk condition every minute 2) When disk space ...

Posted by BeastRider on Sat, 20 Jul 2019 18:20:16 -0700

Introduction to Python Crawler [2]: Site Crawling for Mei Zitu

Meizi Tu Website Crawling-Preface Starting today, I'm going to roll up my sleeves and write Python crawlers directly. The best way to learn a language is to do it purposefully. So, next I'll use 10 + blogs to write about crawling pictures. I hope I can do it well. In order to write a good crawler, we ...

Posted by pmcconaghy on Sat, 20 Jul 2019 07:29:07 -0700

Qt Writing Custom Control 31-Panel Dashboard Control

I. Preface In Qt custom control, dashboard control is the largest number, writing dashboards are written about hematemesis, probably because a variety of industrial control areas are more used, and the dashboard is more vivid and intuitive, this time see Baidu echart has this control, so also to imitate and do a, in fact, master it. After the d ...

Posted by ChrisFlynn on Sat, 20 Jul 2019 07:21:29 -0700

C - Simple Thread Pool Based on pthread Implementation

threadpool-a simple thread pool based on pthread Introduction to Thread Pool Thread pool can be said to be a component that is often used in projects. It is assumed that the reader has a certain multithreading foundation. If not, it is better to understand it here: POSIX multithreading foundation. What is a thread pool? My simple understanding ...

Posted by om.bitsian on Fri, 19 Jul 2019 23:06:20 -0700

Implementation of master-slave monitoring of mysql database by zabbix

1. Establishment of Principal-Subordinate Relations Configure mysql-master side: 1) Modify the configuration file of mysql-master [root@localhost ~]# vim /etc/my.cnf [mysqld] server_id=1 innodb_file_per_table datadir=/data/mysql socket=/var/lib/mysql/mysql.sock log-bin=/data/log-bin/bin binlog_format=row ...... 2) Start the mysql service and ...

Posted by Vettel on Tue, 16 Jul 2019 14:10:00 -0700