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How to check directory size in Linux ubuntu centos du command Reference article: how to check directory size in Linux Used to display the size of a directory or file. Display the current directory file or file occupied space: du Display the size of the specified file or folder: du test.txt Check the space occupied […]

The Stack Overflow 2022 Developer Survey is out now. The Stack Overflow annual developer survey is the largest and most comprehensive survey of developers around the world, covering everything from developer favorite technologies to job preferences. 2022 marks the twelfth year of Stack Overflow’s annual developer survey, which includes more than 73,000 developers from 180

Solution: In the /etc/default/grub file add: GRUB_DISABLE_OS_PROBER = false Then update the grub configuration: sudo update – grub … The post ubuntu boot menu windows gone (disappeared) solution first appeared on Lenix Blog . This article is reprinted from https://blog.p2hp.com/archives/8902 This site is for inclusion only, and the copyright belongs to the original author.

Dedicate the Vim 9.0 release to Sven Guckes , who passed away in February 2022. We will honor Sven, the core maintainer of Vim, who registered the vim.org domain name and created the first Vim website. After years of incremental improvements, Vim is now a big step forward with a major release. In addition to

Hello everyone, I’m Fei Ge! I recently published a very popular new book – ” Understanding Linux Networking “. In this book we discuss a lot of issues related to the kernel networking module in depth. It discusses how a network packet reaches the user process from the network card, talks about synchronous blocking and

1. Status: The foundation of HTTP/3 is the UDP-based QUIC protocol explored by Google for many years. Using UDP provides more flexibility than TCP and allows QUIC to be implemented entirely in user space – updates to the protocol implementation are not tied to operating system updates as TCP does. With QUIC, HTTP-level streams can

On June 6, IETF QUIC (Internet Engineering Task Force, Internet Engineering Task Force, referred to as IETF), Belgium’s HTTP working group member Robin Mark announced on Twitter that “After 5 years, HTTP/3 has finally been standardized as RFC 9114. Will Opening a new chapter for the Web with RFC 9204 (QPACK header compression) and RFC

After years of hard work, on June 6th, the IETF (Internet Engineering Task Force) officially released the HTTP/3 RFC, which is the third major version of the Hypertext Transfer Protocol (HTTP), and the complete RFC exceeds 20,000 Word, which explains HTTP/3 in great detail. Also interesting is that June 6th is also the anniversary of

Table of contents ​ ​SMTP ​ ​POP ​ ​IMAP ​ ​Summary ​ ​MX records in DNS records Today, on the first day of joining the company, the company asked me to configure personal intranet and extranet mailboxes, which made me dizzy. I didn’t know much about mailboxes before, and I don’t usually use mailboxes. At

telnet command to test mail server connectivity telnet mailaws.swiretest.com 25 helo mailaws.swiretest.com mail from:<[email protected]>#sending account rcpt to:<[email protected]>#receiving account data Must be entered right the first time, no chance of fallback Each line entered should prompt 200 OK Indicates that the network connectivity between the server and the mail server is OK … The post telnet

The complete Alibaba Cloud method of mounting a data disk is as follows: 1. After starting Alibaba Cloud, check how many hard disks there are: (only display the overview, not the partition status) fdisk -l|grep Disk 2. View the hard disk partition fdisk -l If there is a prompt: disk /dev/vdb doesn t contain a

When I recently logged into a machine, I found that I couldn’t wait to log in, and the following error occurred: So I went to my mother (I have to say that search engines are a good thing), and after searching for a long time, I found that there was an article that mentioned the

LaraCache is an ORM based Laravel package for creating, updating and managing cache items based on model queries. Using this package, you can cache queries that are heavily used throughout your application. use Mostafaznv\LaraCache\Traits\LaraCache; class Article extends Model { use LaraCache; public static function cacheEntities(): array { return [ CacheEntity::make(‘list.forever’) ->cache(function() { return Article::query()->latest()->get(); }),