Bowen catalogueI. YUM software warehouseII. Type of YUM sourceIII. precautions for configuration of PXE automatic bulk chemical installation machineIV. deploy PXE remote installation service
I. YUM software warehouse
With the help of YUM software warehouse, the tasks of installing, uninstalling and upgrading rpm software packages can be comp ...
Posted on Thu, 14 Nov 2019 07:10:52 -0500 by genetheblue
I. multiprocessing module
The multiprocessing module provides a Process class to represent a Process object. The multiprocessing module manages processes like threads. This is the core of multiprocessing. It is very similar to threading, and the utilization of multi-core CPU is much better than threading
Take a look at the construction method ...
Posted on Thu, 14 Nov 2019 05:45:59 -0500 by New Coder
Introduction of Nginx Dynamic and Static Separation
Nginx has a strong static processing capability but insufficient dynamic processing capability. Therefore, dynamic and static separation technology is commonly used in enterprises.
Dynamic and Static Separation for PHP
Give static pages to Nginx
Dynamic pages are handled by PHP-FPM modules ...
Posted on Thu, 14 Nov 2019 02:31:38 -0500 by ureck
Samba Service Configuration Details
Samba is a free software that implements the SMB protocol on Linux and UNIX systems and consists of server and client programs.SMB(Server Messages Block) is a communication protocol for sharing files and printers on a local area network. It provides file and printer sharing services between different compu ...
Posted on Thu, 14 Nov 2019 02:25:28 -0500 by vent
MYSQL primary primary replication: mutual primary and secondary
Easy problem: inconsistent data
[root@Centos7 ~]#vim /etc/my.cnf
Create a replication account
MariaDB [(none)]> grant ...
Posted on Wed, 13 Nov 2019 11:45:41 -0500 by orange08
Docker Debian image source replacement
Because most of the default Docker images are foreign, and the image source used is also foreign, so the access is very slow, so we need to replace it with domestic images (such as Alibaba cloud or 163).
163 - Debian
Aliyun - Debian
Note: different versions of Debian images have different source addresse ...
Posted on Wed, 13 Nov 2019 11:24:41 -0500 by ident
To avoid some unexpected system errors, it is better to update yum to the latest. It is not recommended to update the production environment when there is business running
Install GNOME Desktop graphics Desktop Services
yum groupinstall "GNOME Desktop"
yum install tigervnc-server
View system operation mo ...
Posted on Wed, 13 Nov 2019 10:10:48 -0500 by sargenle
As the Nginx run time increases, so does the log. In order to grasp the running state of Nginx conveniently, it is necessary to pay attention to the log files with too large Nginx log files at all times, which are necessary to cut the log files regularly in case of a major disaster.Nginx itself does not have the function of log segment ...
Posted on Wed, 13 Nov 2019 09:55:55 -0500 by lewel
Users can define alarms in the Rubik's cube cloud. When the alarm is triggered, the Rubik's cube cloud. This alert process is based on Prometheus and alert manager, and the specific process is shown in Figure 1.
Figure 1 alarm flow
Prometheus is the monitoring system, which is responsible for monitoring the cluster. Alertmanager is responsible ...
Posted on Wed, 13 Nov 2019 05:26:40 -0500 by locomotive
When doing memory management, we often use more LRU algorithms, that is, Last Recently Used,
First appeared in Linux operating system.
The specific implementation idea is to use Hash list to store key value pairs. We can implement an LRU caching algorithm based on bidirectional list and HashMap. The specific code ...
Posted on Tue, 12 Nov 2019 16:05:44 -0500 by agent_smith_sp