Meetings

Securing Linux: Best Practices and Strategies

Glenn Stafford

Tuesday June 24th, 2025
Zoom session will open at 6:45pm (US Central time - Chicago)
with the meeting starting at 7pm CT thru ending around 9pm CT
(with a short review of Group business before the speaker starts), and virtual Meeting After the Meeting (afterwards)

This meeting will be run virtually on-line using our UniForum Chicago Zoom account,
so get the Zoom meeting connection info from the lu.ma link to this same meeting by RSVP'ing Yes there.

Abstract

Linux file permissions are a fundamental aspect of Linux security, determining access to files and directories. Understanding file permissions is crucial for maintaining system security and access control.

This presentation will discuss the effect of read(r), write(w), and execute(x) permissions have on regular files and directory files. In addition, the importance of "Access Control Lists (ACLs)" will be discussed providing a more granular level of access management compared to traditional permission settings for the domains users, groups, and others.

Additional topics include a discussion on HIDS (Host-Based Intrusion Detection System) to monitor unauthorized changes.

Finally, a discussion of STIGs will be provided to enhance security.

This will be a virtual meeting on Zoom.

Our live meetings had been held at the Bolingbrook Fountaindale Library but we have been holding our meetings virtually since the pandemic began since March 2020. However, there is now the possibility of holding live meetings going forward but will be decided as each meeting is defined. Are you interested in attending an in-person general meeting?

Going forward UniForum Chicago events will be posted here on Lu.ma instead of Meetup.Com. Subscribe to our email list in order to receive an email notifications about upcoming meetings.

Bio

Glenn Stafford is a veteran Unix/Linux professional best known for automating server installations, software code conversions, version control environments, shell programming, and automating system administration tasks.

His notable accomplishments include: Automating installations where servers were ready for full accreditation within 30 minutes without the use of Commercial Off The Shelf configuration tools. Automated the migration of VmWare virtual servers o he AWS Government Club services.

In addition, Glenn was a valued asset when securing Department Of Defense Linux/Unix systems through shell scripts that minimized security threats.

When Glenn lived in the Chicagoland area, he was a dedicated member of Uniforum Chicago presenting on various topics and facilitating the UNIX Bootcamp and UNIX Top Gun workshops.


Getting to the meeting

This April 2025 General meeting of UniForum Chicago (time as described with the meeting's title above) will NOT be at a physical location, but will be a virtual on-line meeting using a planned Zoom meeting for whom the Zoom URL for connecting to the meeting will be displayed in the Lu.Ma announcement's Location to those.


For more information about UniForum Chicago contact info@uniforum.chi.il.us.


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