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Combined display of all available logs of Leo's Notes. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 22:04, 3 July 2023 Leo talk contribs uploaded File:Wyze-160fov-lens.jpg
• 18:08, 23 May 2023 Leo talk contribs created page AWStats (Created page with "AWStats is an open source Perl-based web application that generates web analytics from access logs. == Running in Docker to parse Traefik access logs == Use the Docker image built by pabra at: https://github.com/pabra/docker_awstats Create a <code>docker-compose.yml</code> file and configure the AWSTATS_CONF_LOGFORMAT environment variable to match the Traefik access log syntax. {{Highlight | code = version: "3" services: awstats: build: context: docker_awst...") Tag: Visual edit
• 07:32, 11 May 2023 Leo talk contribs created page Benchmark for Intel i7-2600k (Created page with "This was one of the newer desktops that were purchased for the Department of Computer Science. {{Benchmark | hardware = Intel i7 2600k | cpu = Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz | memory = 32 GB DDR3 1666MT/s | disk = SSD | type = virtual | os = Rocky Linux 9 under Proxmox 7.4 | score = 1004.4 / 3483.3 | raw = ========================================================================...")
• 19:55, 10 May 2023 Leo talk contribs created page CCSP (Created page with "== Cloud Governance: Legal, risk, and compliance == {| class="wikitable" !Term !Notes |- !Agent of the government |A private citizen becomes an agent of the government when they perform an act that the government would need a warrant for, such as a search and seizure. Under those circumstances, the citizen must follow the same rules as the government. |- !Baseline |Minimum requirements, especially regarding security as a minimum level. |- !Cloud Controls Matrix (CCM) |Li...") Tag: Visual edit
• 20:46, 17 April 2023 Leo talk contribs created page Systemd-tmpfiles (Created page with "systemd-tmpfiles is a systemd subsystem that creates, deletes, and cleans up temporary files and directories on a system. Its main functions are: # Create system directories such as /proc, /sys, /var, /tmp, etc. # Cleanup operations on specific directories such as in /tmp and /var/tmp. == Configuration == To see the current configs, run: <code>systemd-tmpfiles --cat-config</code>. Configuration files are located in the following directories: * Default system config fi...") Tag: Visual edit
• 04:36, 10 March 2023 Leo talk contribs created page Lenovo SE-242DC (Created page with "The Lenovo SE-242DC is a WiFi smart bulb. I purchased a couple from Lenovo's EBay store in March 2022 for $4 each. The bulbs I received were manufactured in late February. They were not tuya-cloudcutter compatible as they came with firmware version 1.2.21 pre-loaded.") Tag: Visual edit
• 00:30, 10 March 2023 Leo talk contribs created page Benchmark for Dell PowerEdge R750xa (Created page with "A node that is part of the new bigmem partition on ARC. {{Benchmark | hardware = Dell PowerEdge R750xa | cpu = Intel(R) Xeon(R) Silver 4316 CPU @ 2.30GHz | memory = 4096GB (32x 128 GB) DDR4 3200 MT/s | disk = N/A | os = Rocky Linux 8.7 x86_64 | score = 2077.3 / 15352.1 | raw = ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: mmg1: GNU/Linux OS: GNU/Linux...") Tag: Visual edit
• 20:43, 8 March 2023 Leo talk contribs created page Benchmark for Dell PowerEdge C8220 (Created page with " == Intel Xeon E5-2670 == These make up the 'cou2013' partition on ARC {{Benchmark |hardware=HP ProLiant SL390s G7|cpu=Intel(R) Xeon(R) CPU E5-2670 @ 2.60GHz|memory=24GB, 6x 4GB DDR3 1333 MT/s|disk=N/A|os=Rocky Linux 8.7|score=1313.6 / 8598.3|type=server|raw========================================================================= BYTE UNIX Benchmarks (Version 5.1.3) System: h1: GNU/Linux OS: GNU/Linux -- 4.18.0-425.10.1.el8_7.x86_64 -- #1 SMP Thu Jan 12 16:32...") Tag: Visual edit
• 17:06, 8 March 2023 Leo talk contribs created page Dell PowerEdge R740 (Created page with "These nodes make up the GPU v100 partition on ARC. Each node has 2x Telsa V100 16GB cards.{{Benchmark | hardware = Dell PowerEdge R740 | cpu = Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz | memory = 768 GB (24x32GB) DDR4 2666 MT/s | disk = N/A | os = Rocky Linux 8.7 | score = 1130.3 / 11565.5 | raw = ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: fg5: GNU/Lin...") Tag: Visual edit
• 16:51, 8 March 2023 Leo talk contribs created page Benchmark for Dell PowerEdge C6520 (Created page with "{{Benchmark | hardware = Dell PowerEdge C6520 | cpu = Intel(R) Xeon(R) Gold 5320 CPU @ 2.20GHz | memory = 256GB (16x16GB) DDR4 3200 MT/s | disk = N/A | os = Rocky Linux 8.7 | score = 2111.0 / 15879.7 | raw = ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: mc66: GNU/Linux OS: GNU/Linux -- 4.18.0-425.10.1.el8_7.x86_64 -- #1 SMP Thu Jan 12 16:32:13 UTC 202...") Tag: Visual edit
• 23:53, 7 March 2023 Leo talk contribs created page Benchmark for Dell PowerEdge C6320 (Created page with "These are synergy nodes, which make up the 'cpu2017' partition on ARC. {{Benchmark | hardware = Dell PowerEdge C6320 | cpu = Intel(R) Xeon(R) CPU E5-2690 v4 @ 2.60GHz | memory = 256GB (16x16GB) DDR4 2400 MT/s | disk = N/A | os = Rocky Linux 8.7 x86_64 | score = 1601.7 / 12254.6 | raw = ------------------------------------------------------------------------ Benchmark Run: Tue Mar 07 2023 11:12:35 - 11:40:25 56 CPUs in system; runn...") Tag: Visual edit
• 18:35, 7 March 2023 Leo talk contribs created page Benchmark for HP DL170h G6 (Created page with "This is the benchmark for a HP ProLiant DL170h G6, which is one of the older nodes used in the 'single' partition on ARC. The system is running in memory. {{Benchmark | hardware = HP ProLiant DL170h G6 | cpu = Intel(R) Xeon(R) CPU L5520 @ 2.27GHz | memory = 12GB (6x2GB) DDR3 1333 MT/s | disk = N/A | os = Rocky Linux 8.7 x86_64 | score = 889.8 / 4011.0 | raw = ============================================================...") Tag: Visual edit
• 07:31, 13 February 2023 Leo talk contribs created page Bing AI (Created page with "Some interesting things I've found with the Bing AI chatbot. == Cover letters == It really doesn't like writing cover letters for you, unlike OpenAI's ChatGPT. You can get it to write something if you make it a hypothetical though. Here's an example prompt: {{Quote|quote=Let's play a hypothetical role. You are about to immerse yourself into a role of a Senior C# software analyst. You are applying for a job at a fictional company called FastSoftwareCo. What would you wr...") Tag: Visual edit
• 09:56, 11 February 2023 Leo talk contribs protected File:ATtiny85 ISP connection.svg [Edit=Allow only autoconfirmed users] (indefinite) [Move=Allow only autoconfirmed users] (indefinite) [Upload=Allow only autoconfirmed users] (indefinite) (hist)
• 22:36, 27 January 2023 Leo talk contribs created page SMASH-CLP (Created page with "SMASH (Systems Management Architecture for Server Hardware) is a set of standards and protocols used for managing server hardware. It is designed to provide a common management interface for servers, regardless of their make or model. This allows IT administrators to manage servers from different vendors using the same tools and procedures. One of the protocols supported by SMASH is the Command Line Protocol (referred to as SMASH-CLP). == Common tasks == === Reboot a...") Tag: Visual edit
• 22:23, 23 January 2023 Leo talk contribs created page Pdsh (Created page with "The pdsh command is a parallel version of the dsh (Distributed Shell). It is used to run commands on multiple remote hosts in parallel and supports a number of remote shell programs including SSH. == Cheat sheet == {| class="wikitable" !Action !Command |- |Run a command on all hosts |<code>pdsh -a uptime</code> |- |Run a command on a set of hosts by hostname Or by a specific gender (ie. attribute), see below. |<code>pdsh -w node[0-10] uptime</code><code>pdsh -w cpus=8 u...") Tag: Visual edit
• 23:26, 17 January 2023 Leo talk contribs created page Megaraid sas driver on RHEL 8.7 (Created page with "The megaraid_sas driver package for Red Hat Enterprise Linux (RHEL) / Rocky Linux is provided by ElRepo. However, as of the time of this writing, the precompiled package for EL 8.7 doesn't exist for some reason. To build this package, run the following (I did this inside a Rocky Linux 8.7 Docker image): {{Highlight | code = # yum -y install rpm-build elfutils-libelf-devel kernel-abi-whitelists kernel-rpm-macros make gcc # wget http://dfw.mirror.rackspace.com/elrepo/elr...") Tag: Visual edit
• 01:08, 28 November 2022 Leo talk contribs created page File:C200 with Arduino Installed.jpg
• 01:08, 28 November 2022 Leo talk contribs uploaded File:C200 with Arduino Installed.jpg
• 01:07, 28 November 2022 Leo talk contribs created page File:C200 with Arduino Hack.jpg
• 01:07, 28 November 2022 Leo talk contribs uploaded File:C200 with Arduino Hack.jpg
• 00:15, 27 November 2022 Leo talk contribs created page File:Milfra MFA05 PCB.jpg
• 00:15, 27 November 2022 Leo talk contribs uploaded File:Milfra MFA05 PCB.jpg
• 09:41, 20 November 2022 Leo talk contribs created page Xiaomi LYWSD03MMC (Created page with "The Xiaomi Mijia model LYWSD03MMC is a thermometer and hygrometer with Bluetooth LE support. == Custom firmware == A custom firmware with additional features has been created by atc1441 and later improved by pvvx. You may flash the customized firmware over the air using Bluetooth and a modern web browser to take advantage of these additional features and improvements. Visit pvvx's GitHub repo at https://github.com/pvvx/ATC_MiThermometer for more information. To get st...") Tag: Visual edit
• 09:33, 20 November 2022 Leo talk contribs created page Tapo C200 (Created page with "The TP-Link Tapo C200 is a 1080p IP camera that can tilt and pan. == See also == * https://drmnsamoliu.github.io/ * https://github.com/JurajNyiri/HomeAssistant-Tapo-Control") Tag: Visual edit
• 09:32, 20 November 2022 Leo talk contribs created page Milfra MFA05 (Created page with "The Milfra MFA05 is a smart light switch with a built-in motion sensor. == See also == * https://templates.blakadder.com/milfra_MFA05.html") Tag: Visual edit
• 05:56, 12 November 2022 Leo talk contribs created page Lenovo SE-341AC (Initial content) Tag: Visual edit
• 05:49, 12 November 2022 Leo talk contribs created page File:SE-341AC Wiring.jpg
• 05:49, 12 November 2022 Leo talk contribs uploaded File:SE-341AC Wiring.jpg
• 05:36, 12 November 2022 Leo talk contribs created page File:SE-341AC Module Connections.jpg
• 05:36, 12 November 2022 Leo talk contribs uploaded File:SE-341AC Module Connections.jpg
• 05:35, 12 November 2022 Leo talk contribs created page File:SE-341AC-Module Pins.jpg
• 05:35, 12 November 2022 Leo talk contribs uploaded File:SE-341AC-Module Pins.jpg
• 05:21, 12 November 2022 Leo talk contribs created page File:SE-341AC-Module.jpg
• 05:21, 12 November 2022 Leo talk contribs uploaded File:SE-341AC-Module.jpg
• 23:13, 7 November 2022 Leo talk contribs created page X11vnc (Created page with "x11vnc is a VNC server which mirrors the current on the X11 display rather than creating a separate X11 display such as Xvnc. This is useful for remote control / desktop purposes. == Starting x11vnc == The most basic usage is to just run <code>x11vnc</code> on a console. The VNC port number will be printed after it has started. A server like this will be wide open. To put a password on this server, run <code>x11vnc -storepasswd</code> which will help you generate a pas...") Tag: Visual edit
• 17:21, 2 October 2022 Leo talk contribs created page Dumping process memory (Created page with "Every Linux process has a pseudo <code>mem</code> device which can be used to read the process's memory pages. This mem file is found under <code>/proc/$pid/mem</code>. In order to properly use this file, you have to read the readable sections as outlined by its corresponding <code>maps</code> file. Simply <code>dd if=/proc/$pid/mem</code> would not work as you will end up reading invalid or non-readable pages, resulting in a <code>Input/output error</code>. Instead, y...") Tag: Visual edit
• 21:17, 1 October 2022 Leo talk contribs created page JFFS2 (Created page with "Journaling Flash File System version 2 is a filesystem used with flash memory devices. This is usually found within firmware files and can be detected by binwalk. == Extracting JFFS2 data == Most major distros should support JFFS2 already. You may however still need to install the MTD utilities. {{Highlight | code = # yum -y install mtd-utils | lang = terminal }} The simplest way to extract contents from a JFFS2 filesystem is to create a virtual flash device and the...") Tag: Visual edit
• 05:34, 30 September 2022 Leo talk contribs created page File:WyzeCam v2 and v3.jpg
• 05:34, 30 September 2022 Leo talk contribs uploaded File:WyzeCam v2 and v3.jpg
• 04:43, 30 September 2022 Leo talk contribs created page File:Linksys E8450 Flash Firmware.png
• 04:43, 30 September 2022 Leo talk contribs uploaded File:Linksys E8450 Flash Firmware.png
• 04:42, 30 September 2022 Leo talk contribs created page File:Linksys E8450 Wizard.png
• 04:42, 30 September 2022 Leo talk contribs uploaded File:Linksys E8450 Wizard.png
• 01:35, 26 September 2022 Leo talk contribs created page Qingping CGDK2 (Created page with "The Qingping model CGDK2 is a indoor hygrometer and displays the temperature and humidity. This unit features Bluetooth LE which can be used to remotely monitor its readings. == MQTT == Out of the box, the sensor readings are broadcast every few seconds and can be read and converted into MQTT messages using OpenMQTTGateway. Messages look like this: {{Highlight | code = id: "58:2D:34:14:10:E8" mac_type: 0 name: "Qingping Temp RH Lite" rssi: -69 brand: "Qingping" model: "...") Tag: Visual edit
• 22:39, 25 September 2022 Leo talk contribs created page Airthings Wave Plus (Created page with "Airthings Wave Plus is a air quality monitor with Bluetooth Low Energy capability. It's capable of measuring temperature, humidity and also CO2, Radon, and VOC. The unit runs on 2 AA batteries. You can poll its status via Bluetooth LE periodically using any device that supports Bluetooth including a Raspberry Pi or an ESP32. == MQTT == Using OpenMQTTGateway on a ESP32, we can read the unit's readings via Bluetooth LE and push it to a MQTT server. Create a MQTTtoBT comm...") Tag: Visual edit
• 21:07, 24 September 2022 Leo talk contribs created page MIPS Instruction Set (Initial content) Tag: Visual edit
• 08:48, 24 September 2022 Leo talk contribs created page Linux signals (Initial content) Tag: Visual edit
• 04:22, 22 September 2022 Leo talk contribs created page Benchmark for HP EliteDesk 800 G1 (Created page with "{{Benchmark | hardware = HP EliteDesk 800 G1 | cpu = | memory = 16GB DDR3 | disk = 500 GB 2.5" SATA SSHD | os = Fedora 36 x86_64 | score = 1248.6 / 4058.2 | raw = ======================================================================== BYTE UNIX Benchmarks (Version 5.1.3) System: leo-PC.home.steamr.com: GNU/Linux OS: GNU/Linux -- 5.17.5-300.fc36.x86_64 -- #1 SMP PREEMPT Thu Apr 28 15:51:30 UTC 2022 Machine: x86_64 (x8...") Tag: Visual edit
• 00:01, 20 September 2022 Leo talk contribs created page Benchmark for Core2 Quad Q6600 (Created page with "This is the benchmark result from an old HP Pavilion M8120n workstation. This was first released back in July 2007. It's still working as of 2022, but it has a bunch of bad capacitors on its motherboard. {{Benchmark | hardware = HP Pavilion M8120n | cpu = Intel(R) Core(TM)2 Quad CPU @ 2.40GHz | memory = 6 GB DDR2 667 MT/s | disk = N/A | os = Fedora 36 x86_64 | score = 623.8 / 1767.4 | raw = ========================================...") Tag: Visual edit