Admin... by accident!

You may have chosen to be an admin. I didn't!

  • Home
  • FreeBSD
  • GNU/Linux
  • Security
  • Network
  • Virtualization
  • Politics
  • Github
  • Donate
  • Me

Archives for February 2019

How to install Docker on Ubuntu 18.04

February 25, 2019 by Albert Valbuena

Operating System level virtualization is hitting hard now, as much as VM’s did just a few years ago. Docker is the popular framework for this matter, the new kid on the block so to speak. This is the hot spot now and if anyone wants to appear knowledgeable about system administration knowing this technology is the mandatory new subject to deal with. However is this technology … [Read more...]

Abandon Linux. How to install iocage to manage FreeBSD Jails

February 25, 2019 by Albert Valbuena

The iocage program is a python 3 piece created to manage FreeBSD Jails leveraging the underpinning ZFS file system on FreeBSD. As already explained on previous articles the FreeBSD operating system offers an OS-level virtualization system called Jails. And as described on past articles it can benefit administrators and developers alike. This is a simple guide on how to install … [Read more...]

Abandon Linux. Rolling back the entire OS is possible.

February 18, 2019 by Albert Valbuena

When I was writing an article on updating FreeBSD from the 11.2 version to the new major release number 12, I was trying to add something extra for those who may read some of the information I publish. FreeBSD as a UNIX operating system has similar functionality to the old school UNIX ones such as AIX, Solaris and the like. Of course they are different in some ways, sometimes … [Read more...]

A brief introduction to Regular Expressions

February 4, 2019 by Albert Valbuena

A regular expression is a set of characters, a string of characters if you will, that specify a pattern. Ever used the grep command? It makes use of them. The ‘grep’ command is very handful when one needs to look for certain things inside a text file, or looking for some specific pattern from another command output. In this brief introduction to regular expressions you will … [Read more...]

Recent Posts

  • How to install ModSecurity 3 on FreeBSD
  • How to replace a disk on a ZFS mirror pool
  • How to install Webmin on FreeBSD 12
  • How to patch OpenSSH in FreeBSD 12.2
  • The CentOS party is over, isn’t it?
  • Donation Time 2020
  • How to configure TLS 1.2 on UNIX or GNU/Linux
  • How to install the Clamav antivirus on CentOS 8
  • 100 articles mark at Adminbyaccident.com
  • How to analyze suspicious email
  • How to work with Nessus scan results
  • How to install Ansible on FreeBSD
  • How to secure the ELK stack on CentOS 8
  • How to mirror disks on FreeBSD’s ZFS
  • Nmap cheatsheet
  • Nessus vulnerability scanner
  • How to install the ELK stack on CentOS 8
  • How to install OSSEC agents on Windows
  • Exploiting CVE-2019-0708 Remote Desktop Protocol on Windows
  • Microsoft’s Patch Tuesday – April 2020

Archives

  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • July 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • August 2019
  • July 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
  • February 2019
  • January 2019
  • September 2018
  • June 2018
  • May 2018
  • April 2018
  • February 2018
  • January 2018
  • November 2017
  • April 2017

Copyright © 2021 · Magazine Pro Theme on Genesis Framework · WordPress · Log in