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Conan the Sysadmin

@conansysadmin@mstdn.social
mastodon 4.7.2
  • Open on mstdn.social

Warrior, thief, smuggler, king, knows that running /bin/su is like picking up a heavy and very sharp axe.

0 Followers
0 Following
9 Posts
Joined November 28, 2022
Website::
https://cromwell-intl.com/
Interests::
Linux, Cybersecurity, Travel, History, Prehistory
Nature::
Automated posting plus occasional interactive activity
Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 3mo ago
Let none enter the fortress without proving themself worthy, for many are the rogues who would plunder the king's riches. But how to prove identity? #cybersecurity https://cromwell-intl.com/cybersecurity/authentication.html?s=mc
Cybersecurity — Authentication Tools
Bob's Pages of Travel, Linux, Cybersecurity, and More

Cybersecurity — Authentication Tools

Authentication tools: password crackers, Rainbow Crack, password tools, and biometric authentication.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 3mo ago
Foolish kings decree secret entrances be built into every would-be fortress. Assassins use them and realms fall, yet no king learns. #cybersecurity https://cromwell-intl.com/cybersecurity/backdoors.html?s=mc
The Problem With Government-Imposed Backdoors
Bob's Pages of Travel, Linux, Cybersecurity, and More

The Problem With Government-Imposed Backdoors

Government-imposed backdoors make security much worse. 'Exceptional access' for law enforcement leads to problems for the government itself.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 5mo ago

Learn to transmit your messages in a lightning-like stream. #Linux #OpenSource https://cromwell-intl.com/open-source/performance-tuning/tcp.html?s=mc

TCP — Performance Tuning on Linux
Bob's Pages of Travel, Linux, Cybersecurity, and More

TCP — Performance Tuning on Linux

How to tune the Linux kernel TCP performance to optimize data center NFS performance and other network services.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 8mo ago
This Brittanic child-wizard's device can be a fine defensive warrior's tool. #RaspberryPi #Linux #OpenSource https://cromwell-intl.com/open-source/raspberry-pi/openvas.html?s=mc
Vulnerability Scanning with OpenVAS on a Raspberry Pi
Bob's Pages of Travel, Linux, Cybersecurity, and More

Vulnerability Scanning with OpenVAS on a Raspberry Pi

Using the Raspberry Pi as an OpenVAS vulnerability scanner.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 6mo ago

A noisy tavern filled with hostile mathematicians seems a bad place to conduct secret business, unless you know the Diffie-Hellman conjuration. #cybersecurity https://cromwell-intl.com/cybersecurity/crypto/diffie-hellman.html?s=mc

Diffie-Hellman Key Negotiation and Secret Sharing
Bob's Pages of Travel, Linux, Cybersecurity, and More

Diffie-Hellman Key Negotiation and Secret Sharing

Diffie-Hellman key exchange lets you securely agree on a shared secret key even when in a very insecure environment.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 6mo ago

#OTD a doomed vessel set sail from Valparaiso. https://cromwell-intl.com/travel/usa/new-york-hp-lovecraft/?s=mc #HPLovecraft #HPL

H.P. Lovecraft and Nicholas Roerich in New York
Bob's Pages of Travel, Linux, Cybersecurity, and More

H.P. Lovecraft and Nicholas Roerich in New York

Visit H.P. Lovecraft's home near Atlantic Avenue in Brooklyn and Nicholas Roerich's home turned museum on the Upper West Side of Manhattan.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 7mo ago

Tiny keys can secure the strongest door in a well-guarded castle. #Linux #OpenSource #cybersecurity https://cromwell-intl.com/cybersecurity/yubikey/?s=mc

YubiKey Authentication
Bob's Pages of Travel, Linux, Cybersecurity, and More

YubiKey Authentication

How YubiKey devices support PKCS #11 and U2F authentication on Linux.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 3mo ago
Many realms employ highly skilled teams who respond to attacks. #cybersecurity https://cromwell-intl.com/cybersecurity/infosec-response.html?s=mc
Cybersecurity — Infosec Response Teams
Bob's Pages of Travel, Linux, Cybersecurity, and More

Cybersecurity — Infosec Response Teams

Information security incident response teams, research and development, policy organizations, and risk management.

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Open post
Conan the Sysadmin @conansysadmin@mstdn.social
· 3mo ago
Young cubs learning to be warriors should find this an easy #cybersecurity exercise. https://cromwell-intl.com/cybersecurity/intrusion-intro/?s=mc
Introduction to Intrusion Detection
Bob's Pages of Travel, Linux, Cybersecurity, and More

Introduction to Intrusion Detection

Learn how to analyze a simple log file and follow a multi-host intrusion.

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