As professionals and many aficionados know, early this year some widespread vulnerabilities were found on Intel CPU’s as well as on AMD’s. It was a bit later discovered the flaws also affected some RISC architectures such as Power and ARM. Everybody went nuts and the world seemed to be tumbling because of two CPU vulnerabilities […]
A word on Spectre and Meltdown
How to install Redis for WordPress on FreeBSD
I happen to self-host a few WordPress sites on FreeBSD. And as much as one can configure OP-Cache to improve PHP’s performance, object cache is a must for many WordPress sites. This how to install Redis for WordPress on FreeBSD will explain how to install an object cache (Redis) for WordPress (via plugin) on this […]
Abandon Linux. Move to FreeBSD or Illumos.
If you use GNU/Linux and you are only on opensource, you may be doing it wrong. Here’s why. Is your company based on opensource based software only? Do you have a bunch of developers hitting some kind of server you have installed for them to “do their thing”? Being it for economical reasons (remember to […]
How to set time and date in FreeBSD
In a FreeBSD system one may need to adjust date and time, specially if one has opened a VPS instance in some hosting provider. The system already provides a list of time zones. Just look around in the /usr/share/zoneinfo folder and subfolders to find the one that fits your needs. Just remember this will have […]
How to install sudo in FreeBSD
Sudo is a very useful application. It allows a regular user to perform tasks only reserved to the root account. There is lots of documentation about sudo and there is even a book about it called “Sudo Mastery”. If you need to investigate deep on this, buy it. Why do you need this? Well… Everyone […]
How to mitigate Spectre and Meltdown on an HP Proliant server with Ubuntu
As recently announced in a previous article I wanted to write a couple of guides on how to mitigate Spectre and Meltdown vulnerabilities in GNU/Linux and UNIX environments. It is always a good and I hope a standard practice to have your systems patched and if they aren’t for whatever the reason (that legacy thing […]
How to enable TLS traffic from the origin server on Cloudflare Argo Tunnel
As it can be read in the last post, setting up a Cloudflare Argo Tunnel to serve web content from home or corporate network without poking holes to it, is quite easy to achieve. In this article I’ll show you how to enable TLS traffic from the origin server on Cloudflare Argo Tunnel. Obviously, you […]
How to install Drupal 9 on FreeBSD 13.0
Drupal 7 is approaching its original EOL (End of Life) date (Nov. 2021) which has been extended to November 2022 due to COVID’s impact. Most companies are using Linux already and have their upgrade plans in the works or are thinking about them. This is a good time to switch platform and use Drupal 9 […]
Web credentials stealing
The theft of credentials has been occurring since almost the beginning of time. But of course when the web ‘happened’ and specially when e-commerce exploded stealing passwords also went on the rise. Emptying bank accounts, ordering stuff on behalf (and expenses) of others, spying, even impersonation was and is achieved by stealing credentials. Luckily for […]
How to mitigate/solve the MDS vulnerabilities of Intel processors in FreeBSD
It had to happen again. Anyone betting on new hardware vulnerabilities on Intel processors would have won. This time these are called the MDS vulnerabilities, which stands for Microarchitectural Data Sampling. The trouble is the ones who would have really made big money would have been those stating the new CPUs were on the same […]