Name: strace security tool checking Zoom
Start: 2023-01-11T19:15:00-06:00
End: 2023-01-11T21:15:00-06:00

**[https://www.sluug.org/](https://www.sluug.org/)**
===

The url link to this Zoom mtng is posted earlier on the day of the mtng at the above home page. Its the link called "here".

\~7:15pm MAIN Topic: **Strace & Zoom by [Steven Lembark](https://www.google.com/url?q=https://www.sluug.org/bio/Steven_Lembark&sa=D&source=calendar&usd=2&usg=AOvVaw21nud3hKZJd1GGaTmDCasC)**
**Strace is a cmd-line tool** in LInux (& some other OS distro) that can let you watch what a program is doing. Even if you don't have a program's source code, **you can watch:** its interaction with your operating system, watch which of your files it is reading, watch it turn on your mic, your camera, your GPS,... **Perhaps this will lead you to ask "Why does this program need to do this? ...why does it need to read my passwd file, my contacts, my banking files,...???**

**So, strace isn't only a tool for developers...its a SECURITY TOOL!!**

**SLUUG's Steven Lembark will show us how to use strace. Then, he hopes to *demo using it on "a popular 3rd party program, ie ZOOM"...and we'll see just what it didn't tell us it is doing!)***

***"strace and Chairman Xi:*"**

**Finding out what the Communist Chinese know about your zoom sessions?**

**All products produced by Communist Chinese firms are technically**
**owned by the Communist Chinese government. There have been some**
**questions about what zoom is really doing under the hood**
**while you're happily chatting. This what led Apple to**
**dis-continue distribution of zoom on their store.**

**One way to look at zoom -- or anything else on your \*nix**
**machine -- is with strace. Tonight we'll spend some time**
**setting up a workspace, looking at what strace does for**
**you, and using it on zoom to see what's going on under**
**the chat.**

From Wikipedia...
In the simplest case **strace** runs the specified command until it exits. It intercepts and records the system calls which are called by a ...
‎[Description Top](https://www.google.com/url?q=https://man7.org/linux/man-pages/man1/strace.1.html%23:~:text%3DDESCRIPTION%2520top&sa=D&source=calendar&usd=2&usg=AOvVaw3qIDCnePIfwaHvA4vPbHhL) · ‎[Options Top](https://www.google.com/url?q=https://man7.org/linux/man-pages/man1/strace.1.html%23:~:text%3DOPTIONS%2520top&sa=D&source=calendar&usd=2&usg=AOvVaw0dk5xyyYyMMjxYdBBVwPd9) · ‎[Multiple Personalities...](https://www.google.com/url?q=https://man7.org/linux/man-pages/man1/strace.1.html%23:~:text%3DMULTIPLE%2520PERSONALITIES%2520SUPPORT%2520top&sa=D&source=calendar&usd=2&usg=AOvVaw0S3-pRvi_oS6JbDT3_Hfhe)

### [Strace command in Linux with Examples - GeeksforGeeks](https://www.google.com/url?q=https://www.geeksforgeeks.org/strace-command-in-linux-with-examples/&sa=D&source=calendar&usd=2&usg=AOvVaw1uTNDnymoj-buglXlHoXwy)

[https://www.geeksforgeeks.org › strace-command-in-lin...](https://www.google.com/url?q=https://www.geeksforgeeks.org/strace-command-in-linux-with-examples/&sa=D&source=calendar&usd=2&usg=AOvVaw1uTNDnymoj-buglXlHoXwy)

**Strace is one of the most powerful process monitoring, diagnostic, instructional tool of Linux. It also acts as a debugging tool that helps ...**
===

-=-=-=-=-=-=-==-==-++++=-=-=-=+++
The Main topic (S-Trace) begins \~7:15pm
after general Q&A and announcements @\~7pm.
The basic/tutorial starts at 6:30pm.

6:30pm BASE Topic: Why Use Linux: Advantages & Challenges by[ Stan Reichardt](https://www.google.com/url?q=https://www.sluug.org/bio/Stan_Reichardt&sa=D&source=calendar&usd=2&usg=AOvVaw3UNiBes8cIJ915J9tUkTHR)
There are many advantages and challenges. Some less important than expected, others more important. You may want to understand them yourself and share them with those new to Linux.

==============+++++++++++++++++-----------------______________________
ONLINE MEETINGS ONLY until further notice.
ONLINE session will use remote video software.
HOW TO CONNECT instructions on[ https://www.sluug.org/](https://www.sluug.org/) web page and our mailing lists. This is posted ON THE DAY OF THE MTNG. Note that your browser cache may need to be refreshed each time you check the above web page for the instructions.
We will open the remote session at about 6:00 PM **Central Standard Time ( CST ),** so that you can join early to test your mic, screen & video sharing.

Details will be published on [https://www.sluug.org](https://www.sluug.org/)/ when available.

stan reichardt

Don Ellis

Lee Lammert

Stl Linux Unix Users Group

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