VPS Tutorial
VPS introduction, VPS use, VPS application, web environment, Linux novice introduction, PHP, MySQL, nginx, Apache, etc.

Zhao Rongyong is used to FlashFXP. He has encountered several times when the system prompts "SSH error: failed to negotiate the key exchange algorithm" when connecting to debian12 via sftp. He has to search for a solution each time. This record is convenient to find directly in the blog. If you have friends with the same problem, you can also refer to it. The error message is as shown in the figure above. I have 3 VPs in a merchant

When sorting out various accounts, I found that Oracle Cloud can also create a free VPS in 2025, so if you need a test machine or small applications, you can try to register. Oracle Cloud Registered address: https://www.oracle...

In the past two years, I believe that many people have experienced the AI fire, especially DeepSeek this year, but now the API service recharge has been suspended. I occasionally try the mobile app, and often the server is busy. Please try again later. So I try to experience the silicon based mobile x Huawei Cloud jointly launched the eepSeek R1&V3 reasoning based on the Ascending Cloud ..

Write wherever you play. If you need a Docker recently, record the process (command) of installing Docker and Docker Compose in Debian12, so that you can copy them next time you use them without searching. Docker and Docker Compose Docker are used together ..

There is no good promotional activity recently, and I am also idle when I am idle. I will toss about GoEdge and make a note of it so that I can check it next time. GoEdge is an open source tool software for managing distributed CDN edge nodes. For simple personal use, you can use the free version. Of course, the commercial version is more powerful. Install the GoEdge management system ..

Recently, I entered a VPS, but there is no centos system. I heard that AlmaLinux is similar to centos, so I wanted to try it. I found that installing a screen would encounter various problems, so I recorded it for myself to find next time. Here I install AlmaLinux 8, and install scr directly with yum

Almost all VPS/server vendors create VPS/servers to provide Linux series operating systems and synchronously provide root passwords for users to log in for the first time. However, some vendors also provide an additional option when placing orders, that is, to use SSH keys. Today, we will look at how to use keys to log in to Linux V

Recently, a VPS host changed its IP address and just installed a DA panel (DirectAdmin) on it. After changing the IP address, it needs to update the authorization. After a trial, I found that the key authorization is a little different from the previous command, and the online search is still the same as the previous operation, so I recorded it so that I don't need to search next time I use it. I just ..

Pure record. I found that CentOS9 is very different from my most commonly used CentOS7. X in use, such as the location of the network card file, the command to restart the network card, and the content of the network configuration file. Therefore, the record is easy to look up when you encounter it next time. It is not necessary to use the search engine every time. In particular, most of the information found in a search is useless information ..

There are fewer and fewer vendors that still use the xen architecture chicken. Some of those who previously used xen have been converted to the kvm architecture. Recently, Zhao Rong has also converted a VPS from xen to kvm. Unfortunately, I installed ubuntu18.04 before. I found that after the conversion, the system could not be started normally. I just wanted to do something about it, so I tried to find it myself ..

The memory is getting worse and worse. It's a pure record. I've done it before and forgot it for a while. In addition, CentOS is the most commonly used one, but many friends prefer ubuntu or debian. Today, I met a virtual machine in the ubuntu18.04 system and changed its IP address. Normally, I changed/etc/network/interfaces ..

In 2013, the tribe recorded part of the use of the find command once, and the reason for this is that it is sad to find that a station has been invaded and changed a lot of files. At this time, the find command is used to find files that have been modified in a certain period of time, so it can be picked up again for the next reference. Find a file by its name. For example, we want to search in the system ..

Help online friend CentOS7.9 mount a disk, only to find that he has never attached a single 4TB disk before. After all, VPS is the most popular way to play, and it can't use such a large disk. The machine defaults to 1TB+4TB, and the installation system uses 1TB disk. Now you need to attach 4TB to/home as a data disk. Inertial thinking fdisk 1 ..

In 2013, I shared an article about migrating from CP to DA. Today, looking back, it is a bit cumbersome. At present, DirectAdmin (hereinafter referred to as DA) has a similar one click function, while WHM/cPanel (hereinafter referred to as CP) only needs to provide complete backup files. Sometimes we buy VPS to install a DA panel ..

Today, when importing a MySQL database, I encountered an error message: ERROR 1273 (HY000) at line 129: Unknown collation: ‘utf8mb4_unicode_520_ci‘, It looks like ..