Showing posts with label linux. Show all posts
Showing posts with label linux. Show all posts
Monday, July 6, 2026

Possible Software RAID Issue With Recent mdadm Package

›
We identified an issue with mdadm version "mdadm - v4.4 - 2024-11-07 - 4" that can cause software RAID issues after a reboot. We h...
Friday, May 1, 2026

Security Onion and Linux Kernel Copy Fail Vulnerability CVE-2026-31431

›
A flaw was found in the Linux kernel that allows for local privilege escalation: https://access.redhat.com/security/cve/cve-2026-31431 Updat...
Tuesday, July 25, 2023

Security Onion 2.4 Base OS

›
Introduction Recent events have forced us to change course on the base operating system (OS) for Security Onion 2.4.  On 6/21/2023, Red Hat ...
Monday, April 19, 2010

Grepping an Active Log File and Mailing Matches

›
Recently, I had a need to be alerted by email each and every time a certain user logged in. After a few false starts, I eventually settled ...
1 comment:
Tuesday, August 25, 2009

SANS 401 Mentor class coming to Augusta!

›
I'll be mentoring SANS 401 Security Essentials in Augusta, GA on Tuesday nights starting January 12, 2010. ISSA members are eligible fo...
2 comments:
Wednesday, July 29, 2009

Using Metasploit's db_autopwn on the Security Onion LiveCD

›
UPDATE: This issue has been fixed in the Security Onion LiveCD 20090731 release . I was testing the new Security Onion LiveCD yesterday and...
Tuesday, June 30, 2009

Suggestions for the Security Onion LiveCD

›
I'm currently working on the next version of the Security Onion LiveCD. What specific packages/features would you like to see added to ...
10 comments:
Thursday, June 4, 2009

The Security Onion LiveCD is now available!

›
The Security Onion LiveCD is now available! You can download it from the following location: http://distro.ibiblio.org/pub/ linux/distribut...
3 comments:
Monday, April 6, 2009

Snort 3.0 (SnortSP) Beta 3 -- Inline Bridging Mode in 3 Steps

›
To complete the updating of my 3-part series on Installing and Configuring Snort 3 Beta 3, I now present to you the final chapter in this tr...
11 comments:
Sunday, April 5, 2009

Integrating Snort 3.0 Beta 3 and Sguil in 3 Steps

›
Since I updated the " Installing Snort 3.0 Beta on Ubuntu 8.04 " post to work with Snort 3.0 Beta 3, here's the update for the...
7 comments:
Saturday, April 4, 2009

Installing Snort 3.0 (SnortSP) Beta 3 on Ubuntu 8.04 in 3 Steps

›
Snort 3.0 Beta 3 was released on April 1. You can read an overview of the changes in Snort 3.0 Beta 3 in the mailing list announcement . ...
8 comments:
Saturday, January 10, 2009

Creating md5 and sha1 hashes using dcfldd

›
Have you ever been in a situation where you needed to calculate multiple hashes (md5 and sha1, for example) of a large drive image, but you ...
Monday, January 5, 2009

Upgrading from Fedora 9 to Fedora 10 using Preupgrade

›
A few months ago, I upgraded from Fedora 8 to Fedora 9 using Preupgrade . Last night, I decided it was time to upgrade to Fedora 10 (F10), ...
1 comment:
Sunday, October 26, 2008

Upgrading from Fedora 8 to Fedora 9 using Preupgrade

›
In the past, I've upgraded to the latest Fedora version by using the unsupported "yum upgrade" . This is potentially dangerou...
Thursday, October 23, 2008

Building Ubuntu LiveCDs with Reconstructor

›
As I mentioned previously , I'm currently working on the Security Onion LiveCD. I started building custom LiveCDs years ago by going th...
Wednesday, October 22, 2008

Security Onion LiveCD

›
As part of my GCIA Gold research paper, I'm building a security LiveCD based on Ubuntu 8.04 . The Security Onion LiveCD includes both S...
1 comment: