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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).

• 07:16, 10 February 2025 Admin talk contribs created page Systemd service and timer (Created page with "== Systemd service and timer == center|frameless|578x578px|systemd service timer == References == <references />") Tag: Visual edit
• 06:51, 10 February 2025 Admin talk contribs uploaded File:Systemd service timer.png
• 06:51, 10 February 2025 Admin talk contribs created page File:Systemd service timer.png
• 08:33, 26 January 2025 Admin talk contribs created page Powershell tips and tricks (Created page with " == Detect system board name == >Get-CimInstance -Class Win32_BaseBoard | Format-Table Manufacturer, Product, SerialNumber, Version -Auto == References == <references />") Tag: Visual edit
• 12:34, 21 January 2025 Admin talk contribs created page Private:Tips (Created page with " == How to show the run command of a docker container<ref>https://stackoverflow.com/questions/32758793/how-to-show-the-run-command-of-a-docker-container</ref> == <syntaxhighlight lang="bash"> $ sudo pip install runlike $ docker ps >>> get container bind $ runlike f6dfbf0219ad docker run --name=registry_registry_1 --hostname=f6dfbf0219ad --volume /volume0/registry/auth:/auth --volume /volume0/registry/registrydata:/data --volume /var/lib/registry --env=REGISTRY_AUTH_HT...") Tag: Visual edit
• 08:03, 20 January 2025 Admin talk contribs created page NMAP (Created page with "== Scan subnet<ref>https://unix.stackexchange.com/questions/585775/nmap-output-with-awk-to-table</ref> == <syntaxhighlight lang="bash"> $sudo nmap -sP 192.168.1.0/24 | awk '{a=0;b=2;c=3;d=4;e=5;f=6} function out() { if (state=="up") { printf "%s \t%s \t%s \t%s\n", ip, mac, name, name2; ip=""; mac=""; name=""; state=""; name2="" } } /Nmap scan report/ { out(); name=$e; ip = substr($f,2,length($f)-2); if (ip=="") { ip=name; name="" } } /Host is/ { state=$c } /MAC Addr...") Tag: Visual edit
• 09:14, 20 December 2024 Admin talk contribs moved page EPYC Rome (7003 series) to EPYC Rome (7002 series)
• 08:09, 20 December 2024 Admin talk contribs created page Epyc Milan (7003 series) (Created page with " == Epyc Milan == AMD EPYC™ 7003 Series Processors have set a standard for performance and efficiency for mainstream data center servers. Customers that have done extensive application qualification on DDR4/PCIe®4 generation systems and seek performant, cost-effective solutions to data center challenges, can find tremendous value with AMD EPYC™ 7003 processor-based servers.<ref>https://www.amd.com/en/products/processors/server/epyc/7003-series.html#specifications</r...") Tag: Visual edit
• 08:06, 20 December 2024 Admin talk contribs moved page EPYC Rome to EPYC Rome (7003 series)
• 08:05, 20 December 2024 Admin talk contribs moved page AMD CPUs to AMD CPUs by socket
• 15:42, 19 December 2024 Admin talk contribs created page AMD CPUs (Created page with "{| class="wikitable" !Series !Socket ! colspan="1" rowspan="1" |Name<ref>https://www.amd.com/en/products/processors/laptop/ryzen.html?gad_source=1&gclid=EAIaIQobChMIxdj2jJyzigMVbsVMAh1QJxRrEAAYASAAEgJ8-_D_BwE#specs</ref> ! colspan="1" rowspan="1" |Graphics Model ! colspan="1" rowspan="1" |# of CPU Cores ! colspan="1" rowspan="1" |# of Threads ! colspan="1" rowspan="1" |Max. Boost Clock ! colspan="1" rowspan="1" |Base Clock ! colspan="1" rowspan="1" |Graphics Core Count !...") Tag: Visual edit
• 13:34, 9 December 2024 Admin talk contribs uploaded File:RGB cables.png
• 13:34, 9 December 2024 Admin talk contribs created page File:RGB cables.png
• 13:30, 9 December 2024 Admin talk contribs created page RGB Headers (Created page with "== RGB Headers == RGB Headers are used for '''powering RGB devices''' such as fans and strips with 12V DC power and supplying data for red, green, and blue color channels. Two type of RGB Headers <ref>https://www.cgdirector.com/wp-content/uploads/media/2022/05/ARGB-vs-RGB-headers.jpg</ref> * RGB : LEDs '''can only produce the exact same color''' at any given time (uses +12V) * ARGB '''''(addressable''''' RGB) : LEDs can produce different color '''individually (uses +...") Tag: Visual edit
• 13:18, 9 December 2024 Admin talk contribs uploaded File:RGB vs ARGB.png
• 13:18, 9 December 2024 Admin talk contribs created page File:RGB vs ARGB.png
• 13:31, 5 December 2024 Admin talk contribs created page Mongodb tips and tricks (Created page with "== The following signatures were invalid: EXPKEYSIG 656408E390CFB1F5 MongoDB 4.4 Release Signing Key == <syntaxhighlight lang="bash"> #Remove the Old Key: First, remove the expired key using the following command: sudo apt-key del 656408E390CFB1F5 #Add the New Key: Then, add the new key from the MongoDB key server: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 656408E390CFB1F5 #Update the Package List: After adding the new key, update the package li...") Tag: Visual edit
• 12:09, 14 November 2024 Admin talk contribs created page Efibootmgr (Created page with " '''efibootmgr'''<ref>https://github.com/rhboot/efibootmgr</ref> is a command line tool to managing UEFI boot menu. == Usage == Assumming that you have installed Linux in UEFI mode. === Install efibootmgr === You can install the '''efibootmgr''' command line utility with the following commands on Debian/Ubuntu/Linux Mint sudo apt install efibootmgr === Displaying Current Settings === Simply run the following command. In some Linux distributions like Debian, you ne...") Tag: Visual edit
• 08:36, 14 November 2024 Admin talk contribs created page Fwupd (Created page with "[https://fwupd.org/ fwupd] ([https://aur.archlinux.org/packages/fwupd-git/ fwupd-git])is a simple daemon to allow session software to update device firmware on your local machine. It's designed for desktops, but also usable on phones and headless servers. == Usage<ref>https://wiki.archlinux.org/title/Fwupd</ref> == To display all devices detected by ''fwupd'': $ fwupdmgr get-devices '''Note:''' Listed devices may not be updatable through ''fwupd'' (''e.g.'' Intel integ...") Tag: Visual edit
• 07:36, 1 November 2024 Admin talk contribs created page Tcpdump tips and tricks (Created page with " == Trace multicast package == <syntaxhighlight lang="bash"> $Trace multicast package example $sudo tcpdump -nnXs 0 -i enp1s0f0 udp port 5007 and dst 224.1.1.1 </syntaxhighlight> == References == <references />") Tag: Visual edit
• 10:47, 31 October 2024 Admin talk contribs created page Cipher suite (Created page with "The Cipher Suite ID values are used as a way to identify different Cipher Suites in configuration parameters and IPMI commands. {| class="wikitable" |+Cipher suite ID numbers<ref>https://support.hpe.com/hpesc/public/docDisplay?docId=sd00002092en_us&docLocale=en_US&page=GUID-D7147C7F-2016-0901-06CE-00000000054A.html</ref> !ID !Characteristics !Cipher Suite !Authentication Algorithm !Integrity Algorithm(s) !Confidentiality Algorithm(s) |- | colspan="1" rowspan="1" |0 | col...") Tag: Visual edit
• 10:33, 31 October 2024 Admin talk contribs created page IPMI (Created page with "== What is IPMI == '''Intelligent Platform Management Interface''' ('''IPMI''') is a set of computer interface specifications for an autonomous computer subsystem that provides management and monitoring capabilities '''independently of the host system's CPU, firmware (BIOS or UEFI) and operating system'''.<ref>https://en.wikipedia.org/wiki/Intelligent_Platform_Management_Interface</ref> A BMC (baseboard management controller) is a core building block of IPMI sub-system...") Tag: Visual edit
• 13:17, 5 September 2024 Admin talk contribs created page ARP (Created page with "== ARP == ARP stands for '''Address Resolution Protocol that use EtherType 0x0806.''' ARP is broadcasted packet in the network: "Hey, who is 10.230.20.1, tell me your MAC address!", and that system replies: "I'm 10.230.20.1, my MAC address is XX:XX:XX:XX:XX:XX". Then all systems who seen this reply record in their dynamic '''ARP table''' that 10.230.20.1 is. depending on OS, the record in the table expires and resolution process repeats. Usually this is 300 seconds. =...") Tag: Visual edit
• 12:52, 5 September 2024 Admin talk contribs moved page Internet protocols to Network protocols (change title)
• 10:53, 4 September 2024 Admin talk contribs created page PCIe 5.0 (Created page with "== PCIe v5.0 == In May 2019, the PCIe 5.0 specification was officially released by the PCI-SIG. The transfer speed became twice that of PCIe 4.0 at 32.0 GT/s. PCIe 5.0 enables new transmission speed of storage via connectors such as Gen-Z, MCIO and SAS are becoming increasingly important {| class="wikitable" |+ !Connector type !Description !transmission bandwidth ranges !PCIe 6.0 compatibility ! |- |'''Gen-Z''' |The mechanism design refers to the specification of...") Tag: Visual edit
• 10:50, 4 September 2024 Admin talk contribs uploaded File:SFF-TA-1016 Specification.png
• 10:50, 4 September 2024 Admin talk contribs created page File:SFF-TA-1016 Specification.png
• 10:42, 4 September 2024 Admin talk contribs created page File:SFF-TA-1002 Specification.png
• 10:42, 4 September 2024 Admin talk contribs uploaded File:SFF-TA-1002 Specification.png
• 11:17, 27 August 2024 Admin talk contribs created page Efi shell tips and tricks (Created page with " == EFI shell commands == {| class="wikitable" |+ !Type !Command !Description !Notes |- |Boot Commands — EFI Shell. Commands related to nPartition booting |autoboot |Set/view autoboot timeout variable | |- | |bcfg |Display/modify the driver/boot configuration | |- | |boottest |Set/view BootTest bits | |- | |dbprofile |Display/modify direct boot profiles for use by lanboot | |- | |lanboot |Boot over the LAN | |- | |reconfigreset |Reset the system (nPartition) for recon...") Tag: Visual edit
• 12:08, 23 August 2024 Admin talk contribs created page SR-IOV (Created page with "== Single Root IO Virtualization (SR-IOV) == SR-IOV ('''Single Root - I/O Virtualization''') is a technology that allows a single PCIe device to appear as multiple separate physical devices to the host system. Disabling SR-IOV can affect how the GPU is exposed to the operating system and drivers<ref>https://www.ibm.com/docs/en/power8?topic=POWER8/p8ecu/p8ecu_vios_concepts_network_sriov.htm</ref> SR-IOV is commonly used in conjunction with an SR-IOV enabled hypervisor to...") Tag: Visual edit
• 14:05, 5 August 2024 Admin talk contribs changed group membership for Seokforhpc from (none) to customers
• 14:01, 5 August 2024 User account Seokforhpc talk contribs was created by Admin talk contribs
• 12:55, 16 July 2024 Admin talk contribs created page Data backup and disaster planning (Created page with "Linux systems are widely used in servers and critical infrastructure, ensuring rapid recovery from failures is paramount. This page dives deep into the essentials of Linux system recovery, offering insights into effective backup strategies and disaster planning. == Types of Failures Affecting Linux Systems == * '''Hardware Failures''': These include issues like hard drive crashes, memory corruption, or power supply failures. * '''Software Issues''': Software failures m...") Tag: Visual edit
• 13:15, 14 July 2024 Admin talk contribs created page Samba tips and tricks (Created page with " == Wired file name on Window file explorer while correct file name on Linux == Window file explorer shows wired file name, <code>G2X4IA~5 O2T3KH~K SYJ2IT~R</code> It's a file name mangling problem due to Samba is converting filenames down to old style DOS 8.3 filenames. On server side, edit <code>/etc/samba/smb.conf</code> and add <code>mangled names=no</code> to the <code>[global]</code> section and restart the smb service.<ref>Reference: <nowiki>http://oreilly.co...") Tag: Visual edit
• 14:57, 18 June 2024 Admin talk contribs created page Training and Inference (Created page with "In AI we must first draw a distinction between training an AI model and using the trained model for inference on a real world data stream. Training stage requires magnitude amount of compute intensive while inference stage requires minimum reasonable amount of compute resources to provide service response time effectivly. == Training stage - system requirements by AI model == The three major categories of AI architectures and the challenges * Convolutional Neural Ne...") Tag: Visual edit
• 13:48, 18 June 2024 Admin talk contribs created page Transformer model (Created page with "== What is transformer model ? == A transformer model is a type of deep learning model that was introduced in 2017 paper called "Attention is All You Need" by Ashish Vaswani, a team at Google Brain, and a group from the University of Toronto. and now now used in applications such as training LLMs. <ref>https://www.ibm.com/topics/transformer-model</ref> Transformer models can translate text and speech in near-real-time. OpenAI’s popular ChatGPT text generation tool ma...") Tag: Visual edit
• 13:25, 18 June 2024 Admin talk contribs created page Transformer Engine (Created page with "== What is (TE) Transfermer Engine == Most deep learning frameworks train with FP32 by default. This is not essential, however, to achieve full accuracy for many deep learning models. Using mixed-precision training, which combines <u>single-precision (FP32)</u> with <u>lower precision (FP16)</u> format when training a model, results in significant speedups with minimal differences in accuracy as compared to FP32 training. With Hopper and Ada GPU architecture <u>FP8 preci...") Tag: Visual edit
• 13:08, 13 June 2024 Admin talk contribs deleted page U.2-U.3 (content was: " According to [https://www.opencompute.org/files/OCP-Trimode-Presentation-Final.pdf OCP-Trimode-Presentation], SAS and NVMe forecasted to increase over the coming years and SATA to decrease. == U.2 == == U.3 == U.3 is a ‘Tri-mode’ standard, building on the U.2 spec and using the same SFF-8639 connector. It combines SAS, SATA, and NVMe support into a single controller. So...", and the only contributor was "Admin" (talk))
• 13:08, 13 June 2024 Admin talk contribs created page U.2-U.3 (Created page with " According to [https://www.opencompute.org/files/OCP-Trimode-Presentation-Final.pdf OCP-Trimode-Presentation], SAS and NVMe forecasted to increase over the coming years and SATA to decrease. == U.2 == == U.3 == U.3 is a ‘Tri-mode’ standard, building on the U.2 spec and using the same SFF-8639 connector. It combines SAS, SATA, and NVMe support into a single controller. So, U.3 only requires 1 backplane, 1 mid-plane, and 1 controller, supporting all these drives in...") Tag: Visual edit
• 13:01, 13 June 2024 Admin talk contribs created page File:Tri-mode storage.png
• 13:01, 13 June 2024 Admin talk contribs uploaded File:Tri-mode storage.png
• 13:00, 13 June 2024 Admin talk contribs created page File:Storage Today & Past.png
• 13:00, 13 June 2024 Admin talk contribs uploaded File:Storage Today & Past.png
• 12:58, 13 June 2024 Admin talk contribs created page Template:Tri-mode (Created page with " == Tri-Mode == thumb|408x408px|Tri-mode<ref>https://medium.com/@bilgin.ozturk/what-is-tri-mode-controller-why-is-it-so-important-db97129cc0f5</ref> Tri-Mode controllers make this SATA/SAS/NVME interface mess simple by using a single controller, expander, and disk backplane. Tri-mode controllers alone are not enough, here the disc backplanes also come into play. For the perfect Tri-Mode operation, system needs to have • One Backplane • One c...") Tag: Visual edit
• 12:49, 13 June 2024 Admin talk contribs uploaded File:Tri-mode.png
• 12:49, 13 June 2024 Admin talk contribs created page File:Tri-mode.png
• 12:44, 13 June 2024 Admin talk contribs created page Serial ATA (Created page with " == Protocoles and kernel param == {| class="wikitable" |+ !Name !Description |- |Native Command Queuing (NCQ) |an extension of the Serial ATA protocol allowing hard disk drives to internally optimize the order in which received read and write commands are executed. this param looks highly relative the discussion on [https://forum.armbian.com/topic/15937-sata-issue-drive-resets-atax00-failed-command-read-fpdma-queued/ SATA issue, drive resets: ataX.00: failed command: R...") Tag: Visual edit
• 11:33, 3 June 2024 Admin talk contribs created page Ultra Accelerator Link (UALink) (Created page with "== Ultra Accelerator Link (UALink) == AMD, Broadcom, Google, Intel, Meta, and Microsoft all develop their own AI accelerators (well, Broadcom designs them for Google), Cisco produces networking chips for AI, while HPE builds servers. These companies are interested in standardizing as much infrastructure for their chips as possible, which is why they are teaming up to develop a new industry standard dedicated to advancing high-speed and low-latency communication for scale...") Tag: Visual edit
• 11:29, 3 June 2024 Admin talk contribs created page File:UALink pod.png