http://dokuwiki.starlab.cz/ 2026-04-18T21:57:19+0200 http://dokuwiki.starlab.cz/ http://dokuwiki.starlab.cz/lib/tpl/desert/images/favicon.ico text/html 2015-03-04T18:07:17+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:arduino&rev=1425488837&do=diff Important notes for servo library, servos as hw and rotary encoders. Library Servo.h writeMiliseconds() - doesnt to anything with values 0-400 to our servo HD-1370A as well as values over 2400. Documentation is silent. write() - values 0-200 are angle, 200-99999 are position. Very unwise design guys :( text/html 2017-04-11T17:48:22+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:brocade3200&rev=1491925702&do=diff Recommended reset/clear switchdisable cfgdisable (hit "y" at prompt) cfgclear (hit "y" at prompt) cfgsave (hit "y" at prompt) configdefault switchenable reboot Recommended action as these are the 'cleanest' methods. There is a command to 'reset back to factory defaults', but have never recommended its use as some negative results have occurred. Also since we didn't know what the actual catalyst of the problem was in conjunction with the command, its just better to steer clear and use the s… text/html 2014-09-08T17:00:39+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:cisco&rev=1410188439&do=diff Best practice enable show int fa0/11 config ter int fa0/11 flowcontrol receive on show mac-address-table ip name-server 88.86.116.45 setting up snmp cisco1a(config)#snmp-server community public cisco1a(config)#snmp-server enable traps vtp cisco1a(config)#exit cisco1a#wr text/html 2013-04-10T18:01:11+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:digi-anywhere-usb&rev=1365609671&do=diff Ten klientsky driver je asi windows only, tak to neni moc zajimave. Komunikuje to pres UDP a TCP na portu 3244, ten je potreba vselijak pronatovat etc... neda se nakonfigurovat ani na jedne strane. Konfiguracni aplikace si umi nejakym divokym multicastem najit zarizeni na spolecnem kusu ethernetu, i pokud maji IP mimo te site, bohuzel je v tom pripade neumi konfigurovat. Ma to webove rozhrani ktere funguje v linksu. text/html 2015-04-10T21:13:53+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:emulex&rev=1428693233&do=diff EMULEX Life Pulse Fibre Channel (lpfc). Nekdy je nutne rucne nastavit prenosovou rychlost emulexu (jinak nevidi disky). Zjisti, kam jsou karty pripojene (X): ls -d /sys/bus/pci/drivers/lpfc/*/host* Vypise viditelne parametry karet. ls -l /sys/class/scsi_host/hostX/lpfc* text/html 2011-02-14T14:08:30+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:firewall&rev=1297688910&do=diff Nase red-box krabicky Note: default baud rate 38400 Vypis po bootu: *** baud: 38400 *** PC Engines ALIX.2 v0.98 640 KB Base Memory 261120 KB Extended Memory 01F0 Master 044A CF CARD 1GB Phys C/H/S 1934/16/63 Log C/H/S 967/32/63 PC Engines ALIX.2 v0.98 640 KB Base Memory 261120 KB Extended Memory 01F0 - no drive found ! No boot device available, press Enter to continue. text/html 2009-04-24T02:52:31+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:mainboards&rev=1240534351&do=diff text/html 2016-02-28T01:45:58+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:majak&rev=1456620358&do=diff Jak funguje nas poplasny Nagios Majak schema je jednoduche * Client: nagios zavola prikaz “echo “nejaky problem” | netcat 10.0.5.5:6555 * Server s majakem: inetd posloucha na portu 6555 a spousti skript /home/majak/bin/majak.sh, ktery zapise na /dev/ttyUSB0 prikazy text/html 2009-11-06T19:49:32+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:ram&rev=1257533372&do=diff * <http://www.experts-exchange.com/Hardware/Components/Memory/Q_23336426.html> It's always best with unbuffered memory to only install 2 modules => the electrical load of 4 modules notably distorts the waveform of the address and data signals and can have a real impact on reliability. Some BIOS programs will reduce the speed when 4 modules are installed; some will switch to single channel mode; etc. to try and improve reliability. I'm convinced a lot of spurious errors and unexplained cras… text/html 2015-05-14T14:52:32+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:raspberry&rev=1431607952&do=diff Upload image to raspberry pi over network PC_with_SDHC_reader # nc -l -p 4444 >/dev/sdb server_with_image # dd if=/srv/2013-09-25-wheezy-raspbian.img | nc 10.0.0.113 4444 Assumption: * PC's IP is 10.0.0.113 * The SDHC card is attached to the PC as /dev/sdb text/html 2012-05-15T16:15:58+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:scanner&rev=1337091358&do=diff Plustek OpticSlim M12 Plus I didn't fucking find any fucking firmware at the whole fucking CD in-fucking-cluded with the fucking scanner. Here is some stuff: $ scanimage --version scanimage (sane-backends) 1.0.19; backend version 1.0.19 $ scanimage -L device `gt68xx:libusb:003:011' is a Plustek OpticSlim M12 flatbed scanner $ lsusb Bus 003 Device 011: ID 07b3:0412 Plustek, Inc. Scanner $ scanimage --help --device-name gt68xx:libusb:003:011 ...long...help... text/html 2013-04-11T16:07:15+0200 Anonymous (anonymous@undisclosed.example.com) http://dokuwiki.starlab.cz/doku.php?id=hardware:tp-link&rev=1365689235&do=diff TP-Link Ulozeni configu: user-config save