Cramsession - Recent changes [en]

Computer Notes

Mflavell — Mon, 29 Jun 2026 00:26:22 GMT

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	[[Computer Notes/SQLite Cheat sheet\|SQLite Cheat Sheet]]		[[Computer Notes/SQLite Cheat sheet\|SQLite Cheat Sheet]]

	[[VSphere]]		[[Computer Notes/VSphere\|VSphere]]

	~~[[PI VPN~~]]

	[[Computer Notes/GIT\|GIT]]		[[Computer Notes/GIT\|GIT]]

VSphere

Mflavell — Mon, 29 Jun 2026 00:23:58 GMT

Mflavell moved page VSphere to Computer Notes/VSphere without leaving a redirect

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	[[Import an OVF from command line]]		[[Import an OVF from command line]]

	[[OVF Import Fixes]]		[[OVF Import Fixes]]

Computer Notes

Mflavell — Mon, 29 Jun 2026 00:23:31 GMT

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	[[Computer Notes/Open LDAP\|Open LDAP]]		[[Computer Notes/Open LDAP\|Open LDAP]]

	[[SQLite Cheat sheet]]		[[Computer Notes/SQLite Cheat sheet\|SQLite Cheat Sheet]]

	[[VSphere]]		[[VSphere]]

SQLite Cheat sheet

Mflavell — Mon, 29 Jun 2026 00:23:00 GMT

Mflavell moved page SQLite Cheat sheet to Computer Notes/SQLite Cheat sheet without leaving a redirect

New page

Exit
.exit

Display Tables
.tables

Clear display
.shell clear

Make format readable
.mode column

Display a table
select * from ''whatever'';

Computer Notes

Mflavell — Mon, 29 Jun 2026 00:22:44 GMT

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	[[Computer Notes/Notepad++\|Notepad++]]		[[Computer Notes/Notepad++\|Notepad++]]

	[[Open LDAP]]		[[Computer Notes/Open LDAP\|Open LDAP]]

	[[SQLite Cheat sheet]]		[[SQLite Cheat sheet]]

Open LDAP

Mflavell — Mon, 29 Jun 2026 00:22:16 GMT

Mflavell moved page Open LDAP to Computer Notes/Open LDAP

New page

= Creating and ADMIN user =

== Generate a SHA password ==

slappasswd

provide password

Save the resulting SHA

== Create the LDIF File ==

Create a file in nano

dn: uid=adminuser,dc=southbaytechnology,dc=com
objectClass: inetOrgPerson
objectClass: organizationalPerson
objectClass: person
cn: Admin User
sn: User
uid: admin
userPassword: {SSHA}7x6qOrJlHQI+mONuYn+W2HTG/xHQVEL2

== Add the user ==

ldapadd -x -W -D "cn=admin,dc=southbaytechnology,dc=com" -f admin.ldif

== Grant Admin Rights ==

=== Create LDIF File ===

dn: olcDatabase={1}mdb,cn=config
changetype: modify
replace: olcRootDN
olcRootDN: uid=adminuser,dc=southbaytechnology,dc=com

=== Save changes ===

ldapmodify -Y EXTERNAL -H ldapi:/// -f rootdn_change.ldif

== If you have problems ==

Check the config:

ldapsearch -H ldapi:/// -Y EXTERNAL -b 'cn=config'

Computer Notes

Mflavell — Mon, 29 Jun 2026 00:21:41 GMT

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	[[Linux]]		[[Linux]]

	[[Java]]		[[Computer Notes/Java\|Java]]

	[[Computer Notes/AWS\|AWS]]		[[Computer Notes/AWS\|AWS]]

	[[SSL]]		[[Computer Notes/SSL\|SSL]]

	[[Google Sheets]]		[[Computer Notes/Google Sheets\|Google Sheets]]

	[[MediaWiki]]		[[Computer Notes/MediaWiki\|Mediawiki]]

	[[CA Directory]]		[[Computer Notes/CA Directory\|CA Directory]]

	[[Windows]]		[[Computer Notes/Windows\|Windows]]

	[[Computer Notes/Python\|Python]]		[[Computer Notes/Python\|Python]]

	[[Notepad++]]		[[Computer Notes/Notepad++\|Notepad++]]

	[[Open LDAP]]		[[Open LDAP]]

Notepad++

Mflavell — Mon, 29 Jun 2026 00:19:37 GMT

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	[[Remove all Unicode using notepad ++]]		[[Remove all Unicode using notepad ++]]

Computer Notes/Windows

Mflavell — Mon, 29 Jun 2026 00:18:57 GMT

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	~~[[Computer Notes]] > Windows~~



	[[Prevent an update shutdown]]		[[Prevent an update shutdown]]

Windows

Mflavell — Mon, 29 Jun 2026 00:18:41 GMT

Mflavell moved page Windows to Computer Notes/Windows

New page

[[Computer Notes]] > Windows

[[Prevent an update shutdown]]

CA Directory

Mflavell — Mon, 29 Jun 2026 00:18:17 GMT

Mflavell moved page CA Directory to Computer Notes/CA Directory without leaving a redirect

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	[[Rename a CA Directory DSA]]		[[Rename a CA Directory DSA]]

Computer Notes/MediaWiki

Mflavell — Mon, 29 Jun 2026 00:17:45 GMT

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	~~[[Computer Notes]] > MediaWiki~~

	[[Make a Wiki Private]]		[[Make a Wiki Private]]

	[[Find LocalSettings.php]]		[[Find LocalSettings.php]]

MediaWiki

Mflavell — Mon, 29 Jun 2026 00:17:35 GMT

Mflavell moved page MediaWiki to Computer Notes/MediaWiki without leaving a redirect

New page

[[Computer Notes]] > MediaWiki

[[Make a Wiki Private]]

[[Find LocalSettings.php]]

Computer Notes/Google Sheets

Mflavell — Mon, 29 Jun 2026 00:16:46 GMT

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	~~[[Computer Notes]] > Google Sheets~~

Google Sheets

Mflavell — Mon, 29 Jun 2026 00:16:36 GMT

Mflavell moved page Google Sheets to Computer Notes/Google Sheets without leaving a redirect

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[[Computer Notes]] > Google Sheets

[[Query in Google Sheets]]

[[Unique values in google sheets]]

==Count Cells Not Empty ==

=COUNTA(A:A)

To avoid the first row

=COUNTA($A$2:$A)

Computer Notes/SSL

Mflavell — Mon, 29 Jun 2026 00:16:17 GMT

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	~~[[Computer Notes]] > SSL~~



	[[SSL peer was unable to negotiate an acceptable set of security parameters]]		[[SSL peer was unable to negotiate an acceptable set of security parameters]]

SSL

Mflavell — Mon, 29 Jun 2026 00:16:05 GMT

Mflavell moved page SSL to Computer Notes/SSL without leaving a redirect

New page

[[Computer Notes]] > SSL

[[SSL peer was unable to negotiate an acceptable set of security parameters]]

[[Generating a public key]]

[[SSL_ERROR_HANDSHAKE_FAILURE_ALERT when using Common Access Card (CAC)]]

Computer Notes/Java

Mflavell — Mon, 29 Jun 2026 00:15:41 GMT

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	~~[[Computer Notes]] > Java~~



	[[Remove a coped folder from git]]		[[Remove a coped folder from git]]

Java

Mflavell — Mon, 29 Jun 2026 00:15:30 GMT

Mflavell moved page Java to Computer Notes/Java without leaving a redirect

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[[Computer Notes]] > Java

[[Remove a coped folder from git]]

[[Tomcat will not start / errors regarding .m2 folders]]

[[Injecting headers using CORS filter]]

Computer Notes/CA Siteminder

Mflavell — Mon, 29 Jun 2026 00:14:43 GMT

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	~~[[Computer Notes]] > CA Siteminder~~

	=Oneview Monitor=		=Oneview Monitor=

Computer Notes

Mflavell — Mon, 29 Jun 2026 00:14:27 GMT

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	[[Computer Notes/Security Services Platform\|Security Services Platform]]		[[Computer Notes/Security Services Platform\|Security Services Platform]]

	[[CA Siteminder]]		[[Computer Notes/CA Siteminder\|CA Siteminder]]

	[[Linux]]		[[Linux]]

CA Siteminder

Mflavell — Mon, 29 Jun 2026 00:14:07 GMT

Mflavell moved page CA Siteminder to Computer Notes/CA Siteminder without leaving a redirect

New page

[[Computer Notes]] > CA Siteminder

=Oneview Monitor=

[[SMPS does not start after installing Oneview monitor on Linux]]

[[Installing OneView Monitor on Windows]]

=Secure Proxy=
[[Replicate proxy Rules]]

Computer Notes/PI VPN

Mflavell — Sat, 27 Jun 2026 18:37:17 GMT

Created page with "== PiVPN on Ubuntu (VMware Setup) == This guide covers the installation of PiVPN on an Ubuntu Server VM running within VMware. This setup uses WireGuard for high-performance, secure tunneling without the complexity of a full firewall appliance. === 1. VM Prerequisites (VMware) === Before starting the installation, ensure the virtual machine is configured for network accessibility: * '''Network Adapter:''' Set to '''Bridged''' mode. This allows the VM to receive its own..."

New page

== PiVPN on Ubuntu (VMware Setup) ==

This guide covers the installation of PiVPN on an Ubuntu Server VM running within VMware. This setup uses WireGuard for high-performance, secure tunneling without the complexity of a full firewall appliance.

=== 1. VM Prerequisites (VMware) ===
Before starting the installation, ensure the virtual machine is configured for network accessibility:
* '''Network Adapter:''' Set to '''Bridged''' mode. This allows the VM to receive its own IP address on your local network.
* '''Static IP:''' Ensure the VM has a consistent internal IP. You can set this via {{ic|/etc/netplan/}} or a DHCP reservation on your router.
* '''Resources:''' 1 vCPU and 1GB RAM is more than sufficient for a dedicated VPN VM.

=== 2. Installation Steps ===
Login to your VM via SSH or the VMware console and run the following commands:

; Update the system:
<pre>
sudo apt update && sudo apt upgrade -y
</pre>

; Run the PiVPN automated installer:
<pre>
curl -L https://install.pivpn.io | bash
</pre>

=== 3. Recommended Installer Settings ===
During the text-based wizard, use these recommended settings to avoid common pitfalls:
* '''User:''' Select your local system user to hold the configuration files.
* '''Protocol:''' Choose '''WireGuard''' (highly recommended over OpenVPN for speed).
* '''Port:''' Default is '''51820''' (UDP).
* '''DNS:''' Select a provider (e.g., Google or Cloudflare) or point to a local Pi-hole if applicable.
* '''Unattended Upgrades:''' Enabled (highly recommended for security).

=== 4. Client Management ===
PiVPN uses a simple command-line interface to manage connected devices.

; To create a new client profile:
<pre>
pivpn add
</pre>

; To generate a QR code for mobile devices:
<pre>
pivpn -qr
</pre>

; To list all active clients:
<pre>
pivpn -l
</pre>

=== 5. Networking & Firewall ===
For the VPN to function, you must allow traffic through the Ubuntu firewall and your physical router.

; Configure UFW (Uncomplicated Firewall):
<pre>
sudo ufw allow 51820/udp
sudo ufw allow OpenSSH
sudo ufw enable
</pre>

; Router Configuration:
Forward '''UDP Port 51820''' from your router's WAN/Public IP to the '''Internal IP''' of your VMware VM.

=== 6. Troubleshooting Commands ===
If you encounter issues, use the built-in self-check tool:
* {{ic|pivpn -d}} — Runs a full diagnostic of the network and service status.
* {{ic|pivpn -c}} — Shows currently connected clients and data transfer stats.

Computer Notes

Mflavell — Sat, 27 Jun 2026 18:37:04 GMT

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	[[Computer Notes/VMware Workstation\|VMware Workstation]]		[[Computer Notes/VMware Workstation\|VMware Workstation]]

			[[Computer Notes/PI VPN\|PI VPN]]

Creating Computer Notes/VMware Workstation/Kill a Zombie VM

Mflavell — Sat, 27 Jun 2026 18:21:53 GMT

Created page with " Kill a zombie VM on linux 1) Find the PID: ps aux | grep -i vmware-vmx 2) Kill the process: sudo kill -9 [PID]"

New page

Kill a zombie VM on linux

1) Find the PID:

ps aux | grep -i vmware-vmx

2) Kill the process:

sudo kill -9 [PID]

Computer Notes/VMware Workstation

Mflavell — Sat, 27 Jun 2026 18:21:05 GMT

Created page with " Kill a Zombie VM"

New page

[[Creating Computer Notes/VMware Workstation/Kill a Zombie VM|Kill a Zombie VM]]

Computer Notes

Mflavell — Sat, 27 Jun 2026 18:20:32 GMT

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	[[Computer Notes/GIT\|GIT]]		[[Computer Notes/GIT\|GIT]]

			[[Computer Notes/VMware Workstation\|VMware Workstation]]

Study Guides/AWS Cybersecurity Notes/ACM

Mflavell — Sat, 27 Jun 2026 01:55:20 GMT

Created page with "= AWS Certitifate manager = This is a internal AWS managed service for SSL and TLS certificates. One of it's major drawbacks is limited configuation options. ::If a customer needs a specicifc configuration then it may not work. It can create private certificate authaotorites. ACM also easily intergrates with AWS ELB. It's manin purpose is to simplify certificate use. ::* Easy to add certs. ::* You can use an email address for vertification when adding a cert...."

New page

= AWS Certitifate manager =

This is a internal AWS managed service for SSL and TLS certificates.

One of it's major drawbacks is limited configuation options.

::If a customer needs a specicifc configuration then it may not work.

It can create private certificate authaotorites.

ACM also easily intergrates with AWS ELB.

It's manin purpose is to simplify certificate use.

::* Easy to add certs.

::* You can use an email address for vertification when adding a cert.

== Types of Certificate ==

::Public

:::These use a public CA and are trusted by web browsers.

::Private

:::These are only trusted by devices that are configured to use the privace CA they reference.

::Wildcard certificates.

:::These simplifiy and save money by allowing *.mycorp.com

Some you may not know of:

::* Domain validation certficiates

::: Issued based on domain ownership.

::* Organization Validation certificates

::: A secure certificate that requires the CA to validate the legal name and address.

::* Extdend Validation cdrtificates

::: Thse have a rigerious vetting to process to validate identity.

== Securing an S3 website ==

:: Remmeber S3 can only host HTML, JS and CSS - Static only!

When you link ACM with an S3 site HTTPS is enabled.

The SSL offloading is done via cloudfront - therefore cloud front is a requirement when enabling HTTPS on S3.

== With ELB ==

When using with ELB consinder that ELB offloads the SSL.

:* ELB Decripts the message

:* ELB forawrds to the destination

== Automation ==

ACM can:

:* Automatically renew certs

:* Send email reminders for manual renewal.

When you cannot renew:

:* Private certs - issued with the IssueCertfifcate API

:* Imported from external sources.

:* Anything already expired.

What it works with:

:* AWS services

:: Including EC2

== Cases for a Private CA ==

:* Better control

:* Custom policies

:* Better internal resource protection & management

:* Improved incident response

:* Improved auditing

:* Central account management

:* Scalable

Study Guides/AWS Cybersecurity Notes

Mflavell — Sat, 27 Jun 2026 01:29:02 GMT

SCS-C02

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	[[Study Guides/AWS Cybersecurity Notes/Securing EC2 Instances\|Securing EC2]]		[[Study Guides/AWS Cybersecurity Notes/Securing EC2 Instances\|Securing EC2]]

			[[Study Guides/AWS Cybersecurity Notes/ACM\|AWS Certifiate manager]]

Health & Fitness/HRV

Mflavell — Mon, 22 Jun 2026 02:53:23 GMT

Micro-Social Signaling: The Biology of the "Creepy Vibe"

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	Heart Rate Variability serves as a direct proxy for vagal tone (the strength of the parasympathetic "brake"). The literature distinguishes between two primary states of HRV:		Heart Rate Variability serves as a direct proxy for vagal tone (the strength of the parasympathetic "brake"). The literature distinguishes between two primary states of HRV:

	* '''Tonic HRV (Baseline):''' An individual's resting HRV over extended periods. High tonic HRV indicates robust prefrontal cortex activity, allowing for the top-down inhibition of subcortical structures like the amygdala. This physiological reservoir enables delayed gratification and the suppression of automatic impulses. Low tonic HRV indicates a hyper-active, defensive autonomic state (sympathetic dominance), rendering an individual highly vulnerable to immediate emotional triggers and cravings.		::* '''Tonic HRV (Baseline):''' An individual's resting HRV over extended periods. High tonic HRV indicates robust prefrontal cortex activity, allowing for the top-down inhibition of subcortical structures like the amygdala. This physiological reservoir enables delayed gratification and the suppression of automatic impulses. Low tonic HRV indicates a hyper-active, defensive autonomic state (sympathetic dominance), rendering an individual highly vulnerable to immediate emotional triggers and cravings.


	* '''Phasic HRV (Reactivity):''' Short-term fluctuations in HRV during acute cognitive or behavioral challenges. When actively resisting an impulse, a healthy organism experiences a temporary suppression (drop) in phasic HRV. This represents the temporary release of the vagal brake, shifting metabolic energy to the prefrontal cortex to fuel self-regulation. If an individual's baseline (tonic) HRV is already depleted, the system lacks the regulatory reserve to execute this adaptive shift, resulting in behavioral failure.		::* '''Phasic HRV (Reactivity):''' Short-term fluctuations in HRV during acute cognitive or behavioral challenges. When actively resisting an impulse, a healthy organism experiences a temporary suppression (drop) in phasic HRV. This represents the temporary release of the vagal brake, shifting metabolic energy to the prefrontal cortex to fuel self-regulation. If an individual's baseline (tonic) HRV is already depleted, the system lacks the regulatory reserve to execute this adaptive shift, resulting in behavioral failure.



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	* '''Prefrontal Exhaustion:''' Prolonged sympathetic arousal drains the metabolic resources of the prefrontal cortex. As night approaches, top-down executive control reaches its lowest biological point.		::* '''Prefrontal Exhaustion:''' Prolonged sympathetic arousal drains the metabolic resources of the prefrontal cortex. As night approaches, top-down executive control reaches its lowest biological point.


	* '''The Artificial Relief Cue:''' In an attempt to blunt the painful sympathetic tension, the brain seeks an immediate, potent dopaminergic surge, frequently turning to compulsive masturbation or pornography.		::* '''The Artificial Relief Cue:''' In an attempt to blunt the painful sympathetic tension, the brain seeks an immediate, potent dopaminergic surge, frequently turning to compulsive masturbation or pornography.


	* '''The Dopamine Deficit State:''' Post-orgasm, the hormone prolactin spikes to induce satiety, while dopamine levels crash. This sudden neurochemical deficit causes the brain to demand fast-acting metabolic energy, triggering intense cravings for late-night simple carbohydrates, sugars, and fats.		::* '''The Dopamine Deficit State:''' Post-orgasm, the hormone prolactin spikes to induce satiety, while dopamine levels crash. This sudden neurochemical deficit causes the brain to demand fast-acting metabolic energy, triggering intense cravings for late-night simple carbohydrates, sugars, and fats.


	* '''Metabolic and Sleep Disruption:''' Digesting heavy, inflammatory foods late at night spikes core body temperature and elevates the sleeping heart rate. This prevents the body from dropping the ~2°F required to enter deep, slow-wave sleep.		::* '''Metabolic and Sleep Disruption:''' Digesting heavy, inflammatory foods late at night spikes core body temperature and elevates the sleeping heart rate. This prevents the body from dropping the ~2°F required to enter deep, slow-wave sleep.


	* '''Systemic Crash:''' The individual wakes up with severely fractured sleep architecture, depleted dopamine receptor sensitivity, and a cratered resting HRV—yielding a profound state of central nervous system exhaustion.		::* '''Systemic Crash:''' The individual wakes up with severely fractured sleep architecture, depleted dopamine receptor sensitivity, and a cratered resting HRV—yielding a profound state of central nervous system exhaustion.


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	\| '''The Next Morning''' \|\| Accumulation of residual adenosine; low baseline HRV \|\| Neuromuscular inefficiency; profound executive dysfunction.		\| '''The Next Morning''' \|\| Accumulation of residual adenosine; low baseline HRV \|\| Neuromuscular inefficiency; profound executive dysfunction.
	\|}		\|}



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	* '''Intra-Workout Recovery Failure:''' The clearance of metabolic byproducts (lactic acid) and the replenishment of cellular adenosine triphosphate (ATP) between training sets relies heavily on parasympathetic reactivation. Under low HRV, the heart rate remains elevated during rest periods, causing a steep drop-off in repetition capacity on subsequent sets.		* '''Intra-Workout Recovery Failure:''' The clearance of metabolic byproducts (lactic acid) and the replenishment of cellular adenosine triphosphate (ATP) between training sets relies heavily on parasympathetic reactivation. Under low HRV, the heart rate remains elevated during rest periods, causing a steep drop-off in repetition capacity on subsequent sets.



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	* '''The Oxytocin Buffer:''' Marital sex triggers a massive release of oxytocin alongside dopamine. Oxytocin actively stimulates the parasympathetic nervous system, blunts amygdala-driven fear or anxiety, and accelerates cardiovascular recovery.		::* '''The Oxytocin Buffer:''' Marital sex triggers a massive release of oxytocin alongside dopamine. Oxytocin actively stimulates the parasympathetic nervous system, blunts amygdala-driven fear or anxiety, and accelerates cardiovascular recovery.


			::* '''Autonomic Co-Regulation:''' The physiological biometrics of two bonded partners naturally mirror and soothe one another, transitioning the nervous system into a state of deep safety and restoration rather than exhaustion. Data indicates that relationship satisfaction and well-being peak at an average frequency of '''once per week''', providing an optimal biological baseline for stress reduction without physical or neurochemical burnout.


	* '''Autonomic Co-Regulation:''' The physiological biometrics of two bonded partners naturally mirror and soothe one another, transitioning the nervous system into a state of deep safety and restoration rather than exhaustion. Data indicates that relationship satisfaction and well-being peak at an average frequency of '''once per week''', providing an optimal biological baseline for stress reduction without physical or neurochemical burnout.


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	# '''The Flat Affect (Cranial Nerves V & VII):''' Low vagal tone reduces the micro-movements of facial muscles around the eyes and mouth. This lack of facial mirroring is instantly flagged by observers' brains as unreadable, deceptive, or cold.		::* '''The Flat Affect (Cranial Nerves V & VII):''' Low vagal tone reduces the micro-movements of facial muscles around the eyes and mouth. This lack of facial mirroring is instantly flagged by observers' brains as unreadable, deceptive, or cold.


	# '''Altered Vocal Prosody (Cranial Nerves IX & X):''' The loss of vagal control causes the larynx and pharynx to tighten, stripping the voice of warm, rhythmic variation. The voice becomes monotonic or strained, which the human ear instinctively associates with aggression or hidden defense.		::* '''Altered Vocal Prosody (Cranial Nerves IX & X):''' The loss of vagal control causes the larynx and pharynx to tighten, stripping the voice of warm, rhythmic variation. The voice becomes monotonic or strained, which the human ear instinctively associates with aggression or hidden defense.


	# '''Fixed Stare / Saccadic Disruption:''' Impaired prefrontal control disrupts natural eye tracking, resulting in either a hyper-vigilant darting gaze or an unnatural, fixed, unblinking stare.		::* '''Fixed Stare / Saccadic Disruption:''' Impaired prefrontal control disrupts natural eye tracking, resulting in either a hyper-vigilant darting gaze or an unnatural, fixed, unblinking stare.


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	When an individual attempts to project social confidence while their internal autonomic nervous system is locked in a low-HRV survival state, the human brain instantly detects the mismatch. This biological asymmetry—where spoken words conflict with flat facial biometrics, a strained voice, and tense posture—is translated by the observer's nervous system into a visceral threat response. This evolutionary threat-detection mechanism (which is highly sensitive in women due to higher historical reproductive and physical stakes) is what is colloquially categorized as a "creepy vibe."		When an individual attempts to project social confidence while their internal autonomic nervous system is locked in a low-HRV survival state, the human brain instantly detects the mismatch. This biological asymmetry—where spoken words conflict with flat facial biometrics, a strained voice, and tense posture—is translated by the observer's nervous system into a visceral threat response. This evolutionary threat-detection mechanism (which is highly sensitive in women due to higher historical reproductive and physical stakes) is what is colloquially categorized as a "creepy vibe."



	== Key Scientific Literature ==		== Key Scientific Literature ==