====== Tipy & triky s Linuxem ====== ===== Nethack ===== OPTIONS=autodig, color, menucolors, extmenu, hilite_pet, lit_corridor, !legacy, DECgraphics, hpmon #OPTIONS=menustyle:full OPTIONS=name:Pitel OPTIONS=align:lawful OPTIONS=catname:Schroedinger OPTIONS=gender:male OPTIONS=fruit:pivo OPTIONS=pettype:cat OPTIONS=race:human OPTIONS=role:knight OPTIONS=horsename:Hatatytla MENUCOLOR=" blessed"=cyan MENUCOLOR=" cursed"=red MENUCOLOR=" uncursed"=green ===== Jak stáhnout více souborů v řadě zároveň ===== seq -f 'http://www.domena.cz/soubor%02g.txt' 1 10 | wget -c -i - ===== A jak to pak bzipovavat ===== tar cvjf soubor.tar.bz2 *.txt * ''**x**vjf'' rozbalí * ''cv**z**f'' gzip ===== Cizí rady ===== * [[http://atrey.karlin.mff.cuni.cz/~johanka/howto.txt|Johanka]] * [[http://cfenollosa.com/misc/tricks.txt|Carlos Fenollosa]] ===== SSH tunel na newsy ===== ssh -L 6969:news.domena.cz:119 login@ssh.domena.cz ===== mc ===== *Stejnej adresář ''Esc''+''o'' (Fedora ''Alt''+''i'') ===== Když nejde umount ===== fuser -kim /media/cdrom ===== Wine ===== [HKEY_CURRENT_USERSoftwareWineDirect3D] "UseGLSL"="enabled" [HKEY_CURRENT_USERSoftwareWineOpenGL] "DisabledExtensions"="GL_ARB_vertex_buffer_object" GLSL nepoužívat, spíš to nefunguje než jo! ===== Hamachi & Firestarter ===== *''/etc/firestarter/user-pre'' -A OUTPUT -o ham0 -j ACCEPT *''/etc/firestarter/user-post'' -A INPUT -i ham0 -j INBOUND ===== DVB-T ===== Leadtek Winfast DTV Dongle, Ubuntu 7.04 Feisty Fawn, Brno -- Husovice, MPlayer Novější Ubuntu už pravděpodobně mají firmware a v4l v sobě, ale pro jistotu to zde nechávám #Nejdřív firmware, to je easy cd /lib/firmware sudo wget http://thadathil.net:8000/dvb/fw/dvb-usb/dvb-usb-dib0700-01.fw #Ted kdyz se zasune usb, melo by se to v dmesg hezky nacist #Pak v4l sudo apt-get install mercurial linux-headers-$(uname -r) build-essential hg clone http://linuxtv.org/hg/v4l-dvb #Pozor, vytvoří podadresář! cd v4l-dvb make sudo make install sudo make reload #Ladění sudo apt-get install dvb-utils echo 'T 626000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE' > cz-Brno #ČT, n@va, rádia echo 'T 778000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE' >> cz-Brno #Prima, Óčko, Z1 scan cz-Brno>~/.mplayer/channels.conf ct1:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:257:273:257 ct2:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:513:529:258 ct24:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:769:785:259 ct4:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:1025:1041:260 radiozurnal:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:4113:16641 praha:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:4369:16642 vltava:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:4625:16643 wave:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:4881:16644 ddur:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:5137:16645 leonardo:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:5393:16646 cesko:538000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:5649:16647 nova:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:101:111:513 cinema:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:401:411:514 prima:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:201:211:769 cool:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:501:511:770 barrandov:626000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:301:311:2049 public:778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:769:770:1537 z1:778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:1025:1026:1793 proglas:778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:0:4097:17153 EPG:778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE:257:258:33026 mplayer -profile DVB dvb://ct24 [DVB] cache=1024 vf=pp=fd [[projekty:dvbgui]] ==== Duální vysílání ==== -af channels=1:1:1 ===== Mount ISO ===== mount -t iso9660 -o ro,loop=/dev/loop0 image.iso /cdrom ===== mplayer.conf ===== subcp=enca:cs:cp1250 #subcp=cp1250 ao=pulse #fontconfig=1 vo=gl:osdcolor=0xffff00:lscale=1:yuv=4:cscale=1:swapinterval=-1 font="DejaVu Sans" srate=48000 subfont-text-scale=3 stop-xscreensaver=yes cache=8192 cache-min=50 fixed-vo=1 double=1 dr=1 softvol=1 softvol-max=1000 vf=pp=ac af=resample=48000:0:2 lavdopts=threads=2 framedrop=1 prefer-ipv4=1 vf-add=screenshot nolirc=yes sws=9 spuaa=4 spugauss=0.5 [DVD] channels=6 slang=cs alang=en vf-add=yadif #vf=pp=ac/ci #vo=xvmc:bobdeint #vc=ffmpeg12mc [DVB] vf-add=yadif cache=1024 #vf=pp=ac/ci #vo=xvmc:bobdeint #vc=ffmpeg12mc [HD] vf-clr=1 vo=vdpau vc=ffh264vdpau channels=6 ===== Když se něco hodně zasekne ===== [[wp>Magic SysRq key]] -''Alt'' + ''SysRq'' + ''R'' -''Alt'' + ''SysRq'' + ''E'' -''Alt'' + ''SysRq'' + ''I'' -''Alt'' + ''SysRq'' + ''S'' -''Alt'' + ''SysRq'' + ''U'' -''Alt'' + ''SysRq'' + ''B'' ===== K3b (growisofs) ===== System ----------------------- K3b Version: 1.0.3 KDE Version: 3.5.6 QT Version: 3.3.7 Kernel: 2.6.20-16-generic Devices ----------------------- HL-DT-ST DVDRAM GSA-4160B A302 (/dev/hdb, ) [CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL] [DVD-ROM, DVD-R sekvenční, DVD-RAM, DVD-RW omezené přepisování, DVD-RW sekvenční, DVD+RW, DVD+R, DVD+R dvojvrstvé, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Omezené přepisování] Burned media ----------------------- DVD-RW sekvenční Used versions ----------------------- growisofs: 7.0.1 growisofs ----------------------- Executing 'builtin_dd if=/dev/fd/0 of=/dev/hdb obs=32k seek=0' /dev/hdb: "Current Write Speed" is 2.0x1352KBps. :-[ WRITE@LBA=0h failed with SK=5h/ASC=21h/ACQ=02h]: Invalid argument :-( attempt to re-run with -dvd-compat -dvd-compat to engage DAO or apply full blanking procedure :-( write failed: Invalid argument growisofs command: ----------------------- /usr/bin/growisofs -Z /dev/hdb=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=tracksize:2285913 -dvd-compat -speed=2 -use-the-force-luke=bufsize:32m dvd+rw-format -blank /dev/dvd ===== Rekurzivní odstranění .svn adresářů ===== find . -name .svn -print0 | xargs -0 rm -rf ===== Prohlížení .nfo souborů ===== iconv -f cp437 -t utf8 *.nfo | less ===== Adresář ve kterém je skript ===== dirname `readlink -f ` ===== Zakódování série PNGů do MPEG2 na DVD ===== http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-vcd-dvd.html mencoder -ovc lavc -of mpeg -mpegopts format=dvd:tsaf -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=8000:keyint=15:trell:mbd=2:precmp=2:subcmp=2:cmp=2:dia=-10:predia=-10:cbp:mv0:vqmin=1:lmin=1:dc=10:vstrict=0 -ofps 25 -o movie.mpg mf://*.png ===== ČT24 ===== mplayer -cache 1920 -cache-min 80 -playlist $(wget 'http://www.ct24.cz/embed/iFramePlayer.php?live=3&channel=CT24&template=vysilaniCT24&ct24=true&streamtype=WM3' -o /dev/null -O - | grep 'param name="url"' | sed -r 's/.*value="(.*)".*/\1/') ===== Highpass filtr v Gimpu ===== -Duplikovat vrstvu -Gauss blur: síla asi 1/10 rozměru obrázku, IIR (rychlejší) -Invertovat barvy -Režim vrstvy: overlay (překrytí) ===== Kódování hudby ===== oggenc -q 5 track.wav lame --alt-preset standard track.wav parallel lame {} --alt-preset standard -o {.}.mp3 ::: *.wav for wma in *.wma ; do mplayer -ao pcm:file=/tmp/wav -novideo "$wma" ; lame --alt-preset standard /tmp/wav "`basename "$wma" .wma`.mp3" ; done ===== Dropbox, LAN sync & ufw ===== sudo ufw allow to any port 17500 from 192.168.0.0/24 ===== GCC ===== gcc -O2 -pipe -pedantic-errors -Wall -Wextra -march=native -fomit-frame-pointer -std=gnu99 -Wl,-O1 -Wl,-Bdirect #Pro debug odstranit fomit-frame-pointer ===== FLV → MKV ===== ffmpeg -i file.flv -vcodec copy -acodec copy file.mkv ===== Zobrazení CSV ===== column -s';' -t < somefile.csv | less -#2 -N -S ===== Obrázky v ELinksu ===== set mime.extension.jpg = "image/jpeg" set mime.extension.jpeg = "image/jpeg" set mime.extension.png = "image/png" set mime.extension.gif = "image/gif" set mime.extension.bmp = "image/bmp" set mime.handler.image_viewer.unix.ask = 0 set mime.handler.image_viewer.unix-xwin.ask = 0 set mime.handler.image_viewer.unix.block = 1 set mime.handler.image_viewer.unix-xwin.block = 0 set mime.handler.image_viewer.unix.program = "cacaview %" set mime.handler.image_viewer.unix-xwin.program = "cacaview %" set mime.type.image.jpg = "image_viewer" set mime.type.image.jpeg = "image_viewer" set mime.type.image.png = "image_viewer" set mime.type.image.gif = "image_viewer" set mime.type.image.bmp = "image_viewer" ===== DD-WRT flash over SSH ===== scp factory-to-ddwrt.bin root@192.168.0.2:/tmp/ cd /tmp dd if=/dev/mtdblock7 of=boot.bin bs=1 count=131072 cat factory-to-ddwrt.bin >> boot.bin mtd -f write boot.bin fullflash reboot ===== PPA ===== * [[https://launchpad.net/~git-core/+archive/ubuntu/ppa|Git]] * [[https://launchpad.net/~libreoffice/+archive/ubuntu/ppa|LibreOffice]] * [[https://launchpad.net/~inkscape.dev/+archive/ubuntu/stable|Inkscape]]