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Combined display of all available logs of HPCWIKI. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 12:50, 30 March 2024 Admin talk contribs uploaded File:Carnot cycle.png
- 16:55, 29 March 2024 Admin talk contribs created page Heat exchanger (Created page with " A heat exchanger is a device used to transfer heat between two or more fluids. There are two approaches that are normally taken. The first considers the flow configuration within the heat exchanger, while the second is based on the classification of equipment type primarily by construction.<ref>https://www.thermopedia.com/content/832/</ref> == Classification of Heat Exchangers by Flow Configuration == There are four basic flow configurations: * Counter Flow * Cocurre...") Tag: Visual edit
- 10:51, 29 March 2024 Admin talk contribs created page File:Thermal resistance formula.png
- 10:51, 29 March 2024 Admin talk contribs uploaded File:Thermal resistance formula.png
- 10:12, 29 March 2024 Admin talk contribs created page File:Heat dissipation path.png
- 10:12, 29 March 2024 Admin talk contribs uploaded File:Heat dissipation path.png
- 10:05, 29 March 2024 Admin talk contribs moved page Thermal conductivity to Thermodynamics
- 09:55, 29 March 2024 Admin talk contribs created page Thermal conductivity (Created page with " == Thermal conductivity == Thermal conductivity is a fundamental concept in heat transfer and is crucial in multiple industries and scientific disciplines. It refers to the ability of a material to conduct heat or the rate at which heat transfers through a substance. Understanding heat and its relationship to thermal conductivity is essential for designing efficient thermal systems, optimizing energy usage, and ensuring the safety and performance of various materials an...") Tag: Visual edit
- 13:25, 22 March 2024 Admin talk contribs created page Manual:UCM/NIS (Created page with " == Master setup and config == == FAQ == === Can't communicate with ypbind (on master) === there should be no ypbind process on server so that ypcat command could not talk through it. * On Ubuntu 20.04, # Need to have ypbind process # YPBINDARGS=-no-dbus in /etc/default/nis caused that. It seems this option is no longer available and ypbind silently fails at startup instead of just ignoring it.<ref>https://www.marcus-povey.co.uk/2020/10/05/fixed-nis-not-working-aft...") Tag: Visual edit
- 17:17, 11 March 2024 Admin talk contribs created page Netcat (Created page with "== netcat (nc) == netcat (often abbreviated to nc) is ''a computer networking utility for reading from and writing to network connections'' using TCP or UDP<ref>https://en.wikipedia.org/wiki/Netcat</ref> == Send raw data over nc == <syntaxhighlight lang="bash"> echo -e -n '\x01\x03\x10\x00\x00\x01\x80\xCA' | nc 192.168.0.5 2000 -e allows the conversion of escaped chars -n prevents a newline character being appended </syntaxhighlight> == References ==") Tag: Visual edit
- 12:08, 11 March 2024 Admin talk contribs created page Well known ports (Created page with " == Well known UDP ports == This is a list of '''UDP port numbers''' used by protocols of the transport layer of the Internet protocol suite for the establishment of host-to-host connectivity. Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535). The full list of well known port numbers is available at [https://www.iana.org/assignments/service-names-port-numbe...") Tag: Visual edit
- 10:51, 7 March 2024 Admin talk contribs created page Could not install python logging library with raise NotImplementedError emit must be implemented (Created page with " == Problem == pip install logging return raise NotImplementedError emit must be implemented == Solution == According to the python docs (<nowiki>https://docs.python.org/3.9/library/logging.html#module-logging</nowiki>) logging is part of the standard Python3 library. You shouldn't need to install it with pip == References == <references />") Tag: Visual edit
- 13:38, 3 March 2024 Admin talk contribs created page X2APIC (Created page with " == xAPIC vs x2APIC == In xAPIC compatibility mode, APIC registers are accessed through memory mapped interface to a 4K-Byte page, identical to the xAPIC architecture. while In x2APIC mode<ref>https://courses.cs.washington.edu/courses/cse451/24wi/documentation/x2apic.pdf</ref>, APIC registers are accessed through Model Specific Register (MSR) interfaces. In this mode, the x2APIC architecture provides significantly increased processor addressability and some enhancements...") Tag: Visual edit
- 13:37, 3 March 2024 Admin talk contribs created page CPUs online or offline (Created page with " == Check CPU status == <syntaxhighlight lang="bash"> # get the list of offline CPUs cat /sys/devices/system/cpu/offline cat /sys/devices/system/cpu/online # get the list of online CPUs # get the list of CPUs ls -ld /sys/devices/system/cpu/cpu* # print individual CPU's online/offline status cat /sys/devices/system/cpu/cpu*/online # set online CPU <number> echo 1 > /sys/devices/system/cpu/cpu<number>/online or sudo chcpu -e <number> # set offline CPU <number> e...") Tag: Visual edit
- 10:55, 18 February 2024 Admin talk contribs created page Journalctl tips and tricks (Created page with "{| class="wikitable" |+ !Type !Description !Example !Notes |- |boot log |To see the boots that <code>journald</code> knows about |<code>journalctl --list-boots</code> | |- |enable persistent boot information | |<code>sudo mkdir -p /var/log/journal</code><code>sudo vi /etc/systemd/journald.conf</code>add, <code>. . .</code> <code>[Journal]</code><code>Storage=<mark>persistent</mark></code> | |- |Time Windows | |<code>journalctl --since "YYYY-MM-DD HH:MM:SS</code> <code>"...") Tag: Visual edit
- 10:28, 18 February 2024 Admin talk contribs created page Device firmware (Created page with " == How can I upgrade my device firmware from the command line (Ubuntu)<ref>https://askubuntu.com/questions/1394105/how-can-i-upgrade-my-device-firmware-from-the-command-line</ref> == <syntaxhighlight lang="bash"> Install fwupd $ sudo apt install fwupd Get a list of devices that support firmware updates with fwupdmgr, its source database for devices' firmware. You can add more sources by configuring them in /etc/fwupd/remotes.d/. $ fwupdmgr get-devices To update devic...") Tag: Visual edit
- 12:01, 22 January 2024 Admin talk contribs created page File:BSP Thread chart.png
- 12:01, 22 January 2024 Admin talk contribs uploaded File:BSP Thread chart.png
- 11:46, 22 January 2024 Admin talk contribs created page Private:Cnc/thread (Created page with "== British Pipe Threads Taps == 55 degree Whitworth Thread Form. Whitworth Pipe Threads are used almost exclusively by countries which are otherwise on the metric system * '''G-SERIES PIPE THREAD (BRITISH STANDARD PIPE PARALLEL was BSPP & BSPF) PF-SERIES PIPE THREAD (JAPANESE PIPE PARALLEL)'''<ref>https://www.ring-plug-thread-gages.com/PDChart/G-series-Fine-thread-data.html</ref> === '''"G: Series British Standard Pipe - Parallel ( Straight ) BSP or BSPF''' === Also re...") Tag: Visual edit
- 07:41, 21 January 2024 Admin talk contribs created page Private:Cnc/terminology (Created page with "== Feeds and Speeds<ref>https://wikifactory.com/+mekanika/stories/feeds-and-speeds-explained</ref> == center|frameless|636x636px|feedandspeed {| class="wikitable" |+ !Teminology !Description !Unit !Fomular !Example |- |'''Speeds''' |'''spindle rotational speed, expressed in''' |'''rpm (round per minute)''' | | |- |'''Feeds''' |'''feed rate, which is your machine linear speed, mostly expressed in''' |'''mm/min''' | | |- |Chip Load (FPT) |also ca...") Tag: Visual edit
- 16:46, 20 January 2024 Admin talk contribs created page Private:Cnc/cux design (Created page with " == '''Oring glove'''<ref><nowiki>https://youtu.be/liVlhFemTCg?t=413</nowiki> </ref> == '''To reiterate, that's a channel width of 2.2mm, channel depth of 1.3mm and offset from the deep cuts by 1.5mm.''' <nowiki>****</nowiki> 2mm 오링을 이용할 때. >> 폭을 2.2mm 깊이를 1.3mm를 사용함 <nowiki>****</nowiki> 주변 나사는 오링 외곽 기준 5mm 에 장치 <nowiki>****</nowiki> 나사를 위한 홀은 M4 {| class="wikitable" |O ring 두께 (NBR 70)...") Tag: Visual edit
- 14:57, 19 January 2024 Admin talk contribs created page File:Thread mill.png
- 14:57, 19 January 2024 Admin talk contribs uploaded File:Thread mill.png
- 14:04, 19 January 2024 Admin talk contribs created page Private:Cnc/tools (Created page with " == Tool type and key characteristics == {| class="wikitable" |+ !Type !characteristics !Reference |- |End mill | * Type: '''flat end''' * Number of flutes: '''4''' * Material: '''solid carbide''' * Shank diameter: '''6mm''' * Cutter diameter: '''6mm''' * Overall length: '''50mm''' * Flute length: '''22mm''' * Helix angle: '''45°''' |center|frameless|end mill |- |helix angle | |center|frameless|490x490px|helix angle |- |typ...") Tag: Visual edit
- 14:02, 19 January 2024 Admin talk contribs created page File:Types and shapes of end mills.png
- 14:02, 19 January 2024 Admin talk contribs uploaded File:Types and shapes of end mills.png
- 14:01, 19 January 2024 Admin talk contribs created page File:Helix angle.png
- 14:01, 19 January 2024 Admin talk contribs uploaded File:Helix angle.png
- 13:59, 19 January 2024 Admin talk contribs created page File:End mill.png
- 13:59, 19 January 2024 Admin talk contribs uploaded File:End mill.png
- 13:55, 19 January 2024 Admin talk contribs created page File:Chip load table.png
- 13:55, 19 January 2024 Admin talk contribs uploaded File:Chip load table.png
- 13:53, 19 January 2024 Admin talk contribs created page File:Chip load.png
- 13:53, 19 January 2024 Admin talk contribs uploaded File:Chip load.png
- 13:51, 19 January 2024 Admin talk contribs created page File:Feedandspeed.png
- 13:51, 19 January 2024 Admin talk contribs uploaded File:Feedandspeed.png
- 05:15, 18 January 2024 Admin talk contribs created page Manual:DLSSystem/memory test (Created page with " Random Access Memory (RAM) is a crucial component of any computer system while having faulty or slow RAM can cause significant issues.<ref>https://medium.com/@dmitvas/testing-ram-random-access-memory-on-ubuntu-22-04-61517b2ca9e5</ref><syntaxhighlight lang="bash"> #Check the Installed free -m #Check the Type and Speed of RAM dmidecode -t memory | grep -A10 -i locator #Check memory serial number dmidecode -t memory | grep -A10 -i locator | grep -i serial.number #Ch...") Tag: Visual edit
- 15:34, 11 January 2024 Admin talk contribs created page LVM (Created page with "LVM(Logical volume management) creates an easy to use layer over multiple physical disks. We can combine multiple disks and create logical storage volumes. LVM features are<ref>https://www.cyberciti.biz/faq/howto-add-disk-to-lvm-volume-on-linux-to-increase-size-of-pool/</ref> # No restriction on disk size # Increased disk throughput # Mirroring volumes for business critical data # Volume snapshots # Easy backups and restores using snapshots # Easy data relocation # Re...") Tag: Visual edit
- 12:00, 11 January 2024 Admin talk contribs created page Linux package manager (Created page with " A package manager is a tool that allows users to install, remove, upgrade, configure and manage software packages on an operating system. == Package manager by distributor == {| class="wikitable" !'''Package Name''' !'''Binary /Source''' !'''Install from URL support''' !'''GUI enabled''' !Distributor !extension |- |'''APT''' |Binary |No |Yes |Debian-based Linux |'''dpkg,''' '''.deb extension''' |- |'''DNF''' |Binary |Yes |Yes |'''RedHat-based Linux''' |'''.rpm''' e...") Tag: Visual edit
- 16:44, 7 January 2024 Admin talk contribs created page File:LSA web gui.png
- 16:44, 7 January 2024 Admin talk contribs uploaded File:LSA web gui.png
- 15:01, 7 January 2024 Admin talk contribs created page File:Lsi hw healthcheck.png
- 15:01, 7 January 2024 Admin talk contribs uploaded File:Lsi hw healthcheck.png
- 07:42, 5 January 2024 Admin talk contribs deleted page File:Cable connector pinout2.png (Deleted old revision 20240104224138!Cable_connector_pinout2.png)
- 07:41, 5 January 2024 Admin talk contribs uploaded a new version of File:Cable connector pinout2.png
- 16:38, 4 January 2024 Admin talk contribs created page File:NVMe roadmap.png
- 16:38, 4 January 2024 Admin talk contribs uploaded File:NVMe roadmap.png
- 16:02, 4 January 2024 Admin talk contribs created page User management (Created page with " == Add user with specific uid and guid without home == sudo useradd -M -uxxxx -gyyyy aaa == References == <references />") Tag: Visual edit
- 14:01, 4 January 2024 Admin talk contribs created page File:Linux extended acl.png
- 14:01, 4 January 2024 Admin talk contribs uploaded File:Linux extended acl.png
