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Archives for May 2020

100 articles mark at Adminbyaccident.com

May 23, 2020 by Albert Valbuena

This is the 100th post here at Adminbyaccident. Little I knew when I starting posting that I would reach the ‘impossible’ mark of the 100 articles. Sure, some of them are not very interesting, nor instructive. Three years ago I wasn’t the same and I hope in three years time I’m still here and kicking. Very few people visiting this site know I had a different career in the past. … [Read more...]

How to analyze suspicious email

May 20, 2020 by Albert Valbuena

Millions of emails are sent and received every day. Most of them are just junk. And many among those are potentially harmful. Phishing still is one of the most effective ways for malicious actors to penetrate into well secured networks. The weakest link, too often, is the human factor. Training can help mitigate this 24x7 all year-round risk and spam filtering has got cleverer … [Read more...]

How to work with Nessus scan results

May 18, 2020 by Albert Valbuena

Working with Nessus scan results is easy. How do I know that? Because I’ve worked with this tool for some time and although I do not know every corner of the things I’ve been doing some scans and solving quite a few deffects on systems that were labeled as ‘production ready’ when they clearly weren’t. Nessus is a powerful tool and has some niceties, even in the community … [Read more...]

How to install Ansible on FreeBSD

May 14, 2020 by Albert Valbuena

Ansible is a very useful tool geared to system’s configuration and applications deployment. In this how to install Ansible on FreeBSD I will briefly explain what the tool is, what it does, what it does not and how to install it on FreeBSD. I will also demonstrate very basic use and on a later article I will write about software deployment and maintenance through … [Read more...]

How to secure the ELK stack on CentOS 8

May 12, 2020 by Albert Valbuena

This is a follow up of the ‘how to install the ELK stack on CentOS 8’. That is a basic setup with no security at all. There is no encryption, no username and password setup, nothing. Not even firewall rules to filter ports. And as it’s known security can’t only rely on one factor but on a combination of few. In this guide you will read about: - Setting up firewall rules for … [Read more...]

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Recent Posts

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RSS Admin… by accident!

  • How to install Redis for WordPress on FreeBSD
  • How to compile cloudflared in FreeBSD 13/14
  • How to configure FreeBSD to use a webcam (version 12 and 13)
  • Symbolic and Hard Links in UNIX and Linux
  • How to import iocage jails to Bastille on FreeBSD 13
  • How to load and unload kernel modules in Linux
  • How to use find in GNU/Linux and FreeBSD
  • How to install Mate on FreeBSD 12/13
  • How to install Nessus 10 on FreeBSD 12
  • How to enable TLS traffic from the origin server on Cloudflare Argo Tunnel

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