Operation and maintenance notes

Published by Lao Jiang on May 15, 2024 11:28:31

Sometimes we may make mistakes when using the pagoda panel to set timed tasks. For example, we often have database pauses. Here we can use some timed scripts to restart the database or nginx. There are four commonly used timing daemon scripts to choose from. Here, we can use several automatic restart scripts. 1、 MySQL restart script pgrep - x

Published by Lao Jiang on April 2, 2024 at 10:11:31

It is common for servers to install Windows running software or telecommuting. But have we found that after configuring the Windows server, we cannot connect to the remote desktop? What is the reason? In this article, Lao Jiang sorted out three possible reasons and solutions for the inability to remotely connect to the desktop. 1. Port problem If we want to connect to the remote RDP desktop, we need

Published by Lao Jiang on April 2, 2024 09:53:26

No matter which server of which service provider we choose, even the server of a century old store, there are security risks, just the probability. Therefore, if we want data security for any project, we don't need to backup the server regularly. There are many ways to use a specific backup server. Here are three common ways to use a backup server. If necessary, we can refer to our own methods. First, mirror

Published by Lao Jiang on April 1, 2024-46:42

When we run business on the server, some software is blocked by the firewall. We also don't know whether the specific port or whether it is blocked randomly. Here we can directly close the server firewall to solve this problem. In this article, Jiang tells you two steps to implement the method of closing the firewall on the server. 1. A general server that closes a security group may have a security group specific port pass. So, we can

Published by Lao Jiang on March 21, 2024-47:34

Generally, when we choose CDN acceleration services, we will use third-party CDN services, and also use server built CDN software tools. Of course, we can also use the Nginx Web reverse generation method to achieve cache acceleration pages and CDN acceleration. The specific operations are as follows. First, preparation before deployment Here, we need to prepare two or more servers. And it can be distributed in different regions. For example, A

Published by Lao Jiang on March 18, 2024-19:06:59

Do we often encounter database connection failures that lead to crashes in server environments using pagoda panels. So we can solve the problem by restarting the server or the MYSQL database. Some of our friends will upgrade the server configuration, which may take a while, but it cannot completely solve the problem. Then, we can modify the MYSQL data parameters, which are useful database configurations on the pagoda panel

Published by Lao Jiang on March 18, 2024-19:00:29

Among the databases we use, the MYSQL database should be used more frequently. After all, there are many documents and scenarios provided. However, there is also the problem of database corruption. Here we can use myisamchk and mysqlcheck to repair the damaged MySQL database. For example, if there is a problem with the database in our website directory, we can repair the database directory through the command. But

Published by Lao Jiang on March 13, 2024 at 13:52:53

We should know that the pagoda panel is the one with the largest number of users in the visualization panel when the WEB environment needs to be installed in the Linux ECS. One reason is that the iterative updating speed of other similar products is slow, and the other reason is that the pagoda panel is really recognized through free experience. We used to know that, The CentOS image compatible pagoda panel would be better. Now, almost all full image Linux supports

Published by Lao Jiang on 2024-02-28 09:51:40

Nowadays, our servers deploy WEB software environments using LNMP, that is, Nginx engine is more often used. Some one click package software does not automatically optimize the parameters to the maximum according to the server configuration, so sometimes we need to separately tune the parameter values of software such as Nginx or MySQL. For example, when we upload a file, if the file is too large to upload, the main

Published by Lao Jiang on February 23, 2024 16:38:55

We used to use CentOS's iptables firewall function before, but since CentOS 7, the default firewall is firewall, not iptables. If we need to close the firewall, after all, some projects will fail when using the firewall, so we can close it. 1、 Check whether the firewall runs firewall cmd -- sta