CentOS-8 - AppStream Failed to download metadata for repo 'appstream' Error: Failed to download metadata for repo 'AppStream': Cannot prepare internal mirrorlist: No URLs in mirrorlist
The Centos series of Linux systems are no longer available. The official has given up maintenance and the software repository cannot be downloaded. Let’s see the solution below.
Many people who are familiar with Linux have used nginx. As a web server, nginx takes up little resources and has powerful functions. This small and powerful nginx is slowly eating up the market share of Apache and IIS, which are also web servers. So what powerful functions does nginx have? In addition to the web server function, many people may not know the real powerful functions of nginx.
By using CloudDrive, you can turn the network hard drive on the Internet into a hard drive in your computer. It does not take up the local hard drive space and can be accessed using the local hard drive method. It supports access methods such as 115 Cloud Drive, Tianyi Cloud Drive, Alibaba Cloud Drive, WebDAV, etc., which greatly improves the efficiency of using the network disk and makes storage more convenient and quick!
Nginx suddenly reports a 504 gateway timeout error. When using PHP to perform a large number of database queries, it occasionally reports a 504 gateway timeout error. Don't be afraid of encountering a 504 gateway timeout. Only individual operations will cause a 504 gateway timeout. Refresh the timeout page, or continue to connect to the database, but it's more troublesome. Let's take a look at how to solve the Nginx 504 gateway timeout problem.
EPEL, Extra Packages for Enterprise Linux, is an open source and free repository that provides additional packages for Enterprise Linux. The EPEL repository was created because Fedora contributors wanted to use the Fedora packages they maintain on RHEL and other compatible distributions such as CentOS, Rocky Linux, AlmaLinux, etc.
The LNMP one-click installation package is a shell program written in Linux Shell that can install the LNMP production environment for CentOS/RHEL/Fedora/Aliyun/Amazon, Debian/Ubuntu/Raspbian/Deepin/Mint Linux VPS or independent host
AWS Amazon cloud web server construction. After applying for a server on the Amazon cloud platform, you need to configure the Amazon cloud server before you can put it into use. Linux virtual machine instance, take Red Hat 9 as an example to build a web server. Red Hat Red Hat Enterprise Linux 9 supports free packages in AWS Amazon cloud. .
AWS ec2 uses the ec2-user account to log in by default, which does not have permissions to many folders. You need to change it to the root super administrator account to log in.
Rocky Linux is here! Enterprise Linux, the community way. Rocky Linux is an open source enterprise operating system designed to be bug-compatible with Red Hat Enterprise Linux ® 100%. It is under intensive development by the community. Rocky Linux official website: Download Rocky Lin…
The long-awaited Debian 11 release, codenamed "Bullseye," is finally here after two years of development. The release will be supported for the next five years, just like any other Debian stable release.
