Tag: Update

Updating your system is a common task for most server admins and its essential for server security. Follow our Knowledge Base tutorials to update your server's software today!

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We recently posted an article on Upgrading MariaDB 10.0 to 10.3.9 on Ubuntu 16.04. We are now going to provide insight on upgrading MariaDB 10.0.X to 10.3.X on a CentOS 7 server.

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MariaDB is quickly becoming the default open-source database software to use in development, production, and even enterprise environments. Our very own Cloud Sites product uses the newest in MariaDB as it’s mostly known for being a fork and drop-in replacement to MySQL, which is created and maintained by the original MySQL developers.

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As we explored in our previous article of our MySQL Performance Series: MySQL vs. MariaDB there are very few downsides to using MariaDB over standard MySQL. Our high-availability MariaDB's have proven itself to be a worthy successor with easily mitigated drawbacks.  As the last article in our series we will focus on upgrading to various MySQL and MariaDB version on the following servers:

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DNF (Dandified Yum) 101: Basic Package Manager Interaction
I. What is DNF (Dandified Yum)?
II. DNF Examples: Install, Remove, Upgrade, and Downgrade

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Overview

VENOM, or Virtualized Environment Neglected Operations Manipulation, was made public on May 13, 2015. The vulnerability is in QEMU, a generic and open source machine emulator and virtualizer that is utilized by Xen, KVM, and other modern hypervisors / virtualization platforms.

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Step 1: Login to WordPress as Administrator

Hopefully, you’re already well-versed in logging into your WordPress site as an administrator!

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A vulnerability found in the glibc library, specifically a flaw affecting the gethostbyname() and gethostbyname2() function calls, that allows a remote attacker to potentially execute arbitrary code. CentOS 5, CentOS 6, and CentOS 7 are potentially affected, thus we want to highlight the following information.

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Note:
Please note that this article is considered legacy documentation because Fedora 20 and 21 has reached its end-of-life support.
Pre-Flight Check
  • These instructions are intended specifically for updating Bash on Fedora 20 and Fedora 21.
  • I’ll be working from both a Liquid Web Self Managed Fedora 20 server and a Liquid Web Self Managed Fedora 21 server, and I’ll be logged in as root.

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A vulnerability found in the Linux kernel, specifically a flaw in fault handling associated with the Stack Segment (SS), allows an unprivileged user to potentially gain privileges. CentOS 4, CentOS 5, CentOS 6, and CentOS 7 are potentially affected, thus we want to highlight the following information.

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On September 24th, a vulnerability was reported in the GNU Bourne-Again-Shell (BASh, or Bash), specifically a flaw with how Bash processes values of environment variables, that allows remote code execution of varying types in many common configurations. The overall risk is severe due to bash being configured for use, by default, on most Linux servers.

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