Brmlab

brmlab@brmlab.cz

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4081 discussions

Capture The Flag
by Pavel Ruzicka 31 Mar '17

31 Mar '17

Ahojte Mozna uz jste zachytili v automaticky generovanem reportu o udalostech v nejblizsim tydnu, chci zkusit nastartovat tradici nepravidelne poradanych hackerskych Capture The Flag udalosti, ktere maji v hackerske komunite dlouholetou tradici a jsou obvykle poradane prilezitostne jako doprovodny program k ruznym konferencim apod. Podrobny popis o co jde sem nebudu duplikovat, je na wiki https://brmlab.cz/event/ctf Jak zminuju na wiki strance narocnost bude stredni. Zacinat s necim lehcim by byla nuda pro vsechny. Zkusenejsi by to nebavilo a mene zkuseni by se nic nenaucili. Od navstevniku se po zakladnim vysvetleni predpoklada aktivni zapojeni se, ale tim se nenechte odradit od pripadne navstevy. Prave ti mene zkuseni z vas, kteri by si treba netroufali se neceho takoveho zucastnit sami za sebe, se mohou leccemu priucit, kdyz uvidi jak se to dela prakticky, at uz nosite klobouk libovolne barvy :) Pozn: Stream ani zaznam z akce nebude. nashle ve ctvrtek vecer od 19h ruza -- e-mail: ruza(a)ruza.eu www: http://ruza.eu http://brmlab.cz Chcete mi udelat radost a sebe ochranit pred zvedavyma ocima Velkeho bratra? Zacnete pouzivat sifrovani pomoci GnuPG. Muj sifrovaci klic najdete pod identifikatorem 0x223455B7943E7ECC

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Brigáda pro testery
by Daniel Handl 30 Mar '17

30 Mar '17

Ahoj, hledáme testery sw, tak jsem si říkal, že by se tu možná někdo našel :) Požadavky: - pečlivost - obecná orientace v IT - když bude umět webový technologie - HTML, JS, CSS, ... bude to jen dobře Makat může, kde uzná za vhodné nebo u nás v kanclu v Praze 9. Odměnu a způsob spolupráce bychom probrali osobně. Díky moc. Ať se daří! Daniel Handl *jednatel* +420 604 209 876 TOVARNA.CZ <http://tovarna.cz/>

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vyhazování hadic - probírka do 2017-04-20
by Pinky 29 Mar '17

29 Mar '17

Ahoj, pokračuji postupně s úklidem chemlabu, po pláštích přišli na řadu hadice. V biolabu na zemi jsem vytřídil řadu hadic které jsou kandidáty na vyhození. Hadice které přijdou zachovat vysí na chemlabích dveřích. Pokud někdo něco máte proti, dejte konkrétní kusy stranou (ne na dveře!) a napište mi. Dne 2017-04-20 budou nevytřízené hadice zlikvidovány. Pinky.

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Tydenni prehled udalosti / Weekly overview of events
by noreply＠brmlab.cz 26 Mar '17

26 Mar '17

Udalosti v brmlabu tento tyden: Events taking place in brmlab this week: 30.3.2017 19:00 - http://brmlab.cz/event/ctf

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hackin9 CDs
by Pavel Ruzicka 24 Mar '17

24 Mar '17

Do knihovnicky jsem prinesl stos CDcek z Hackin9 magazinu. Totez je zdigitalizovane do ISO formatu v data:/data/mirror/ISO/hackin9_CDs (19GB) -- e-mail: ruza(a)ruza.eu www: http://ruza.eu http://brmlab.cz Chcete mi udelat radost a sebe ochranit pred zvedavyma ocima Velkeho bratra? Zacnete pouzivat sifrovani pomoci GnuPG. Muj sifrovaci klic najdete pod identifikatorem 0x223455B7943E7ECC

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potvrzeni o darech
by Pavel Ruzicka 24 Mar '17

24 Mar '17

AHojte Pokud chcete od brmlabu potvrzeni o darech zaslanych v prubehu minuleho roku napiste, prosim, na rada(a)brmlab.cz konec oznameni -- e-mail: ruza(a)ruza.eu www: http://ruza.eu http://brmlab.cz Chcete mi udelat radost a sebe ochranit pred zvedavyma ocima Velkeho bratra? Zacnete pouzivat sifrovani pomoci GnuPG. Muj sifrovaci klic najdete pod identifikatorem 0x223455B7943E7ECC

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Raspberry pi kernel cross-compiling
by Robert Holub 22 Mar '17

22 Mar '17

Ahoj pratele, pred casem jsem se bavil o moznosti prekladat jadro pro rpi na rychlem PC. Navod byl udajne priserny. Zkousel jsem to a opravdu, navod nic moc, je tezke se v nem vysnat. Nicmene nakonec jsem uspel s kompilaci a instralaci jadra vcetne modulu. Problem: Navod obsahuje chyby v prikazech (nekolikrat chybi '/') a popis nastaveni cest pro tools a volba 64bit/32bit je take matouci. Zde je navod ktery by mel byt jiz jasnejsi, mam to vystavit do knowledge base? Mr.holub === Cross-compiling === == Install toolchain Use the following command to install the toolchain: git clone https://github.com/raspberrypi/tools You can then copy the tools directory to a common location (I've put it in /var/lib/gitolite/rpi but you can use any other dir.) add tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin to your $PATH For 32-bit host systems: use tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin For 64-bit host systems: use tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin Example of adding path to the existing paths for particular shell session (your subdir will be probably different: 32bit host example: PATH=$PATH:/var/lib/gitolite/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin 64bit host example: PATH=$PATH:/var/lib/gitolite/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/ == Get sources To get the sources, refer to the original GitHub repository for the various branches. git clone --depth=1 https://github.com/raspberrypi/linux == Build sources Enter the following commands to build the sources and Device Tree files: For Pi 1 or Compute Module or Pi ZERO: cd linux KERNEL=kernel make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcmrpi_defconfig For Pi 2/3: cd linux KERNEL=kernel7 make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig Then, for both (replace X by number of threads - often 1.5 * number of cores): make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs -j X Install directly onto the SD card Having built the kernel, you need to copy it onto your Raspberry Pi and install the modules; this is best done directly using an SD card reader. First, use lsblk before and after plugging in your SD card to identify it. You should end up with something like this: sdb sdb1 sdb2 with sdb1 being the FAT (boot) partition, and sdb2 being the ext4 filesystem (root) partition. If it's a NOOBS card, you should see something like this: sdb sdb1 sdb2 sdb5 sdb6 sdb7 with sdb6 being the FAT (boot) partition, and sdb7 being the ext4 filesystem (root) partition. Mount these first, adjusting the partition numbers for NOOBS cards: mkdir /mnt/fat32 mkdir /mnt/ext4 sudo mount /dev/sdb1 /mnt/fat32 sudo mount /dev/sdb2 /mnt/ext4 Next, install the modules: sudo make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=/mnt/ext4 modules_install Finally, copy the kernel and Device Tree blobs onto the SD card, making sure to back up your old kernel: cp mnt/fat32/$KERNEL.img /mnt/fat32/$KERNEL-backup.img scripts/mkknlimg arch/arm/boot/zImage /mnt/fat32/$KERNEL.img cp arch/arm/boot/dts/*.dtb /mnt/fat32/ cp arch/arm/boot/dts/overlays/*.dtb* /mnt/fat32/overlays/ cp arch/arm/boot/dts/overlays/README /mnt/fat32/overlays/ umount /mnt/fat32 umount /mnt/ext4 Another option is to copy the kernel into the same place, but with a different filename - for instance, kernel-myconfig.img - rather than overwriting the kernel.img file. You can then edit the config.txt file to select the kernel that the Pi will boot into: kernel=kernel-myconfig.img This has the advantage of keeping your kernel separate from the kernel image managed by the system and any automatic update tools, and allowing you to easily revert to a stock kernel in the event that your kernel cannot boot. Finally, plug the card into the Pi and boot it!

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Please Share Our Eco-Friendly Kickstarter Project: BioPETG
by 3D Printlife 21 Mar '17

21 Mar '17

Hello Makerspaces! Please check out our new eco-friendly BioPETG filament now live on Kickstarter! https://www.kickstarter.com/projects/3dprintlife/biopetg-the-worlds-first-e… We are NOT asking you to contribute but to please help us by sharing this link with anyone interested in 3d printing and sustainability. Thank you! If you'd like us to take you off this list please send STOP to: admin(a)3dprintlife.com -- (800) 201-3249 info(a)3dprintlife.com <http://goog_222141825> www.3dprintlife.com

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prostory pro koncert place for concert
by Frantisek Algoldor Apfelbeck 20 Mar '17

20 Mar '17

Zdravim do Brmlabu, vedel by nekdo z Brmlabu o prostorech, ktere by byly vhodne k zorganizovani koncertu? Kamaradka co tu pracujeme v komunite me pozadala, zda bych se mohl poptat. Jeji kamarad Marcanar ma ted snuru po Evrope a hleda, kde by mohl v Praze usporadat koncert. Mluvi francouzsky a anglicky. Diky moc za jakekoliv info, kontaktujte prosim primo Marcanara! Mejte se krasne a uzivejte jara. Z La Cherche, Normandie zdravi, Frantisek EN Greetings to Brmlab, I would like to ask if someone in Brmlab knows place which would be suitable for organization of concert? My friend who I work with in the community here asked me for help. Her friend Marcanar is doing a tour around Europe and he would like to organize concert in Prague so he is looking for place. He speaks French and English. Thanks a lot for any info, please contact directly Marcanar! Enjoy the spring, Sincerely from La Cherche, Normandie, Frantisek -- Frantisek Algoldor Apfelbeck biotechnologist, kvasir&hacker http://www.frantisekapfelbeck.org "There is no way to peace, peace is the way." Mohandas Karamchand Gandhi Disclaimer - there are other people who have access to this email account, please be aware of that it is part of the design. For "highly private communication" use algoldor(a)yahoo.com

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DooM BrM server - nyni pro cely svet!
by Robert Holub 17 Mar '17

17 Mar '17

Ahoj pratele, nyni se lze pripojit na DooM BrM server i zvenci - nat.brmlab.cz port 10666 Je treba pouzit port zandronum viz. http://www.zandronum.com s datovym souborem DOOM2.WAD (z puvodni hry DooM II). Postup pripojeni: Varianta a: ve hre zmacknout "`" (nad tabulatorem) a pripojit prikazem: connect nat.brmlab.cz Varianta b: najit nat.brmlab.cz v utilite Doomseeker nebo Doomconnector. Prijemne fragovani, Mr.Holub

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