Tag: Debian

Have you ever needed to copy files from your local computer over to your Liquid Web VPS server? You may have previously used File Transfer Protocol (FTP) applications for this task, but FTP is prone to being insecure and can be challenging to work with over the command line. What if there was a better way? In this tutorial, we’ll be covering two popular utilities in the Linux world to securely assist in file transfers, rsync and lsyncd. We’ll show you how to install and use both in this article. Let’s dig in!

There is a new exploit, rated as 7.8 severity level,  that affects major Linux distributions of RedHat Enterprise Linux, Debian 8 and CentOS on both VPS servers as well as dedicated servers, called Mutagen Astronomy. Mutagen Astronomy exploits an integer overflow vulnerability in the Linux kernel and supplies root access (admin privileges) to unauthorized users on the intended server. This exploit affects Linux kernel version dating back from July 2007 to July 2017.  Living in the kernel, the memory table can be manipulated to overflow using the create_tables_elf() function. After overwhelming the server, the hacker can then overtake the server with its malicious intents.

Systemd is the System Management Daemon, which provides a standard for controlling the Linux boot process. It is named per the UNIX convention of adding ‘d’ to the end of daemon’s name. Systemd is intended as a drop-in replacement for the very common init start-up scripts for the boot process (which is also referred to as System V or SysV).