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  • KONFERENCIA TRENDY VE VZDĚLÁVÁNÍ 2026 & DIDMATTECH

    KONFERENCIA TRENDY VE VZDĚLÁVÁNÍ 2026 & DIDMATTECH

    Univerzita Palackého v OlomouciPedagogická fakultaVás ve spoluprácisČeskou pedagogickou společností(ČPdS)zvena mezinárodní vědecko -odbornou konferenci TRENDY VE VZDĚLÁVÁNÍ 2026 & DIDMATTECH Záštitu konference převzal i:děkan PdF UPdoc. PhDr. Vojtech Regec, Ph.D.aministr průmyslu a obchodu doc. Ing. Karel Havlíček, Ph.D., MBATermín konání: 4.–5. 6. 2026Místo konání: Olomouc, Pedagogická fakulta Univerzity Palackého Viac informácií na domovskej stránke univerzity: https://www.upol.cz/…

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  • INTERNATIONAL SCIENTIFIC CONFERENCE INNOVATION TRENDS 2026

    INTERNATIONAL SCIENTIFIC CONFERENCE INNOVATION TRENDS 2026

    INTERNATIONAL SCIENTIFIC CONFERENCEINNOVATION TRENDS 2026LOMZA, MAY 30 2026 POLAND The organizer of the International Scientific Conference IT2026 is University of Lomza (map) Under auspices More information on conference homepage: https://it2026.al.edu.pl/

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  • Fix Puppeeteer Error: “libasound.so.2: cannot open shared object file: No such file or directory”

    Puppeeteer error message during process PDF file: “libasound.so.2: cannot open shared object file: No such file or directory” Solution: or on newer ubuntu verions: For Ubuntu 24.04 make the following changes Package Ubuntu < 24.04 Ubuntu >= 24.04 alsa-lib libasound2 libasound2t64 gtk+2.0 libgtk2.0-0 libgtk2.0-0t64 gtk+3.0 libgtk-3-0 libgtk-3-0t64

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  • International Scientific Conference “INNOVATION TRENDS”

    International Scientific Conference “INNOVATION TRENDS”

    We invite you to the International Scientific Conference “INNOVATION TRENDS”, organized by the University of Lomza (Poland). The conference is organized under the auspices of:Prof. Dariusz Surowik – Rector of Lomza UniversityDr Mariusz Chrzanowski – Mayor of Lomza Innovation Trends is an international scientific conference which enables fruitful discussions and exchange of experience in the…

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  • How to enable NumLock on Ubuntu login screen?

    How to enable NumLock on Ubuntu login screen?

    In the Ubuntu System Settings, there is possible to enable NumLock on Plasma Startup. But when you will enable it… …it not works 🙁 It’s becouse the issue in KDE plasma. But how to fix this stupid issue? edit the /etc/sddm.conf file and add following lines: Store the file and then make logout. Now you…

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  • Some WordPress videos to learn Gutenberg editor

    I’m sharing some of the tons available videos about WordPress and editing content with Gutenberg editor. Let’s see, what is WordPress Gutenberg and how to use it to create great content design. WPTuts tutorial Jamie M.

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  • How to build Docker x64 image on Mac M1

    docker buildx build –platform=linux/amd64,linux/arm64 -t mydockerhub/myimage:latest –no-cache –progress=plain . It takes an error:Error: multiple platforms feature is currently not supported for docker driver The solution is:add into the Docker a new builder with multiplatform support:docker buildx create –name multiarch –driver docker-container –useand than run building process again with previous command docker buildx build….. Resources:https://forums.docker.com/t/error-multiple-platforms-feature-is-currently-not-supported-for-docker-driver/124811

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  • How to verify the reason, why the company’s SMTP email doesnt works with you app (Linux Ubuntu)?

    Install SMTP sender tool: Try to send an email: Check and solve the logs (and errors): More details:

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  • Cloudflare infinitely redirection

    Do you have setup all DNS records and configuration correctly? Do you have a problem with infinitely redirection for those DNS records, where is enabled “Proxied” communication? To solve this problem, go to the main menu and find “SSL/TSL” and then “Overview” submenu item. Open SSL/TLS’s overview configuration and change encryption mode from “Flexible” to…

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  • Check occupied port

    How to check if port is in use in To check the listening ports and applications on Linux: Let us see commands and its output in details. Option #1: lsof command The syntax is:$ sudo lsof -i -P -n$ sudo lsof -i -P -n | grep LISTEN$ doas lsof -i -P -n | grep LISTEN # OpenBSD #Sample outputs:…

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  • Install Docker Desktop

    Details, how to install Docker + Docker Desktop in following tutorial: https://www.linuxtechi.com/how-to-install-docker-desktop-on-ubuntu

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  • UEFI boot GRUB instead Windows Boot Manager

    The EFI setup utility — Most EFIs provide setup utilities that you can access by hitting a special key at boot time (Esc, Del, or a function key, typically; but what key it is varies from one system to another). These often, but not always, provide a way to adjust the boot order. If your firmware…

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  • Windows Ubuntu time dualboot problem

    Multiple Boot Systems Time Conflicts Operating systems store and retrieve the time in the hardware clock located on your motherboard so that it can keep track of the time even when the system does not have power. Most operating systems (Linux/Unix/Mac) store the time on the hardware clock as UTC by default, though some systems (notably Microsoft…

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  • Change Joomla administrator password through the database

    Navigate to phpMyAdmin and select the database for the Joomla! site in the left-hand drop-down list box. This will show the database tables on the left side of the screen. Find and click on the table with “_users” appended in the list of tables (note: you may have a prefix that is not jos_, simply…

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  • Windows VPN not Work after Windows Update – january 2022

    To solve the prolem, open Control Panel – Program and Features – Updates and choose and uninstall update kb5009543 or kb5009566.

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  • MySQL testing tool

    https://paiza.io/projects/DTnQnLZGjJiv86sy0bfp-w?language=mysql

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  • Cloudflare IPv4 address list

    103.21.244.0/22103.22.200.0/22103.31.4.0/22104.16.0.0/13104.24.0.0/14108.162.192.0/18131.0.72.0/22141.101.64.0/18162.158.0.0/15172.64.0.0/13173.245.48.0/20188.114.96.0/20190.93.240.0/20197.234.240.0/22198.41.128.0/17

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  • Interesting… Louvenir

    https://www.louvenir.com/

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  • Canon isensys 7200cdn install Ubuntu 22.04

    Install cups: sudo apt install cups cups-client cups-filters cups-ipp-utils Download drivers: https://www.canon-europe.com/support/consumer_products/products/printers/laser/i-sensys_lbp7200cdn.html?type=drivers&language=en&os=linux%20(64-bit) Unpack deb files and install with dpkg -i … sudo systemctl ccpd start sudo systemctl ccpd enable and then The answer is two numbers. OK. Try printing the test page, no paper on the printer, the printer stops and does not restart. We…

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  • Add missing Windows entry into GRUB

    Step1: Install GRUB updater sudo apt install grub-updater Step2: Modify grub configuration to be able to detect Windows sudo joe /etc/default/grub …and add the following line GRUB_DISABLE_OS_PROBER=false Step3: Update the GRUB entries sudo grub-updater Step4: Restart … Example of the Windows GRUB entry: insmod part_gptinsmod fatsearch –no-floppy –fs-uuid –set=root 08C8-81C2chainloader /EFI/Microsoft/Boot/bootmgfw.efi (uuid you can get…

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  • Chown Recursively

    The easiest way to use the chown recursive command is to execute “chown” with the “-R” option for recursive and specify the new owner and the folders that you want to change.

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  • Installing NVM on Ubuntu

    A shell script is available for the installation of nvm on the Ubuntu 20.04 Linux system. Open a terminal on your system or connect a remote system using SSH. Use the following commands to install curl on your system, then run the nvm installer script. sudo apt install curl curl https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash The nvm…

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  • WSL2 Google DNS

    https://github.com/microsoft/WSL/issues/5420

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