Month: April 2022

PaySend Invite code: 0d8425

Do you look for PaySend Invite code? Ok, you got it! Your PaySend Invite code is 0d8425. PaySend Invite code 2022 You can use this Invite code in 2022, 2022 or later. How to use a PaySend Invite code? Dear customer, if you received a Invite code, you can use it to make a free-of-charge international transfer in Paysend. To do...

What happens if an IPv4 client tries to access an IPv6-only server (SOLVED)

Question: Hey! The article says that IPv6 is a completely different protocol, I had a question. If my recipient's email works only on IPv6 (that is, his mail server listens only through the IPv6 protocol), does this mean that when sending a letter from a mail server that is connected only to IPv4, the letter simply will not reach the...

How to edit the Access denied page in Squid? How to insert custom pictures and mail?

The custom Access denied page can only be shown if the user connects via HTTP. For HTTPS connections (which are currently the vast majority), it is impossible to change the displayed page (that is, display the configured Access denied page) due to the very nature of HTTPS, which is precisely designed to ensure that the transmitted data cannot be modified....

What is the difference between “systemctl reboot” and “reboot” and “systemctl poweroff” and “poweroff”

What's the difference between sudo systemctl reboot And sudo reboot Is it true that the use of commands depends on the operating system, and that one will execute a shorthand version, the other will use systemctl? Answer: The halt, poweroff, reboot commands are implemented to maintain basic compatibility with the original SysV commands. Verbs systemctl halt systemctl poweroff systemctl reboot...

How to convert JPG to PDF

The article “How to convert PDF to JPG using command line in Linux” shows how to split a PDF file into separate pages while converting them to images. But what if you want to do the opposite? How to assemble JPG images into a PDF file? This article is devoted to this, which will tell you how to create a...

How to convert PDF to JPG using command line in Linux (SOLVED)

PDF files are not very easy to split into image files in most programs that are used to open these files. However, there are several command line utilities for this. This article will show you how to convert PDF to JPEG on the Linux command line. ImageMagick (convert) To convert PDF to individual image files, let's start with the ImageMagick...
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