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Nyefee ihuenyo n'ọtụtụ ngwaọrụ na netwọkụ

Nyefee ihuenyo n'ọtụtụ ngwaọrụ na netwọkụ

Achọrọ m igosipụta dashboard nwere nleba anya n'ọtụtụ ihuenyo n'ọfịs. Anyị nwere ọtụtụ ochie Raspberry Pi Model B+ yana hypervisor nwere ihe fọrọ nke nta ka ọ bụrụ ego na-akparaghị ókè.

O doro anya na Raspberry Pi Model B+ enweghị usoro zuru oke iji mee ka ihe nchọgharị ahụ na-agba ọsọ mgbe niile ma na-enye nnukwu eserese na ya, nke mere na ọ na-eme na ibe ahụ na-egbuke egbuke ma na-adakarị.

Achọtara m ngwọta dị mfe ma mara mma, nke m chọrọ ịkọrọ gị.

Dị ka ị maara, Raspberries niile nwere ihe nrụpụta vidiyo siri ike, nke mara mma maka ngbanwe vidiyo ngwaike. Ya mere, echiche ahụ bịara ibido ihe nchọgharị nwere dashboard ebe ọzọ, wee bufee iyi emebere nke nwere ihe oyiyi egosipụtara na raspberry.

Na mgbakwunye, nke a kwesịrị ịnwe njikwa dị mfe, ebe ọ bụ na nke a ga-eme ntọala niile n'otu igwe mebere, nke ga-adị mfe imelite na nkwado ndabere.

Ekwughi ekwu bụ emeghị eme.

Akụkụ nkesa

Anyị ga-eji njikere Foto igwe ojii maka Ubuntu. Na-enweghị chọrọ echichi, ọ nwere ihe niile ị chọrọ ngwa ngwa idokwa a mebere igwe, na Nkwado Cloud-Init na-enyere aka ịtọ netwọk ozugbo, tinye igodo ssh wee tinye ya ngwa ngwa.

Anyị na-ebugharị igwe mebere ọhụrụ wee wụnye ya na ya Xorg, nodm и Fluxbox:

apt-get update
apt-get install -y xserver-xorg nodm fluxbox
sed -i 's/^NODM_USER=.*/NODM_USER=ubuntu/' /etc/default/nodm

Anyị ga-ejikwa config maka Xorg, obiọma enyere anyị Diego Ongaro, na-agbakwunye naanị mkpebi ọhụrụ 1920 × 1080, ebe ọ bụ na ndị nlekota anyị niile ga-eji ya:

cat > /etc/X11/xorg.conf <<EOT
Section "Device"
    Identifier      "device"
    Driver          "vesa"
EndSection

Section "Screen"
    Identifier      "screen"
    Device          "device"
    Monitor         "monitor"
    DefaultDepth    16
    SubSection "Display"
        Modes       "1920x1080" "1280x1024" "1024x768" "800x600"
    EndSubSection
EndSection

Section "Monitor"
    Identifier      "monitor"
    HorizSync       20.0 - 50.0
    VertRefresh     40.0 - 80.0
    Option          "DPMS"
EndSection

Section "ServerLayout"
    Identifier      "layout"
    Screen          "screen"
EndSection
EOT

systemctl restart nodm

Ugbu a, anyị ga-etinye Firefox, anyị ga-agba ya dị ka ọrụ sistemụ, yabụ ka anyị dee otu faịlụ maka ya n'otu oge:

apt-get install -y firefox xdotool

cat > /etc/systemd/system/firefox.service <<EOT
[Unit]
Description=Firefox
After=network.target

[Service]
Restart=always
User=ubuntu
Environment="DISPLAY=:0"
Environment="XAUTHORITY=/home/ubuntu/.Xauthority"
ExecStart=/usr/bin/firefox -url 'http://example.org/mydashboard'
ExecStartPost=/usr/bin/xdotool search --sync --onlyvisible --class "Firefox" windowactivate key F11

[Install]
WantedBy=graphical.target
EOT

systemctl enable firefox
systemctl start firefox

Anyị chọrọ Xdotool iji malite Firefox ozugbo na ọnọdụ ihuenyo zuru oke.
Iji paramita -url Ị nwere ike ịkọwa ibe ọ bụla ka ọ mepee na-akpaghị aka mgbe ihe nchọgharị malitere.

N'oge a, kiosk anyị adịla njikere, mana ugbu a, anyị kwesịrị ibupụ ihe onyonyo a na netwọkụ na ngwaọrụ ndị ọzọ. Iji mee nke a, anyị ga-eji ohere ndị ahụ mee ihe Mmegharị JPEG, usoro a na-ejikarị eme vidiyo site na ọtụtụ igwefoto webụ.

Iji mee nke a, anyị chọrọ ihe abụọ: FFmpeg na modul x11 jide, ka ịse foto site na X na iyi anya, onye ga-ekesa ya ndị ahịa anyị:

apt-get install -y make gcc ffmpeg 

cd /tmp/
wget https://github.com/ccrisan/streameye/archive/master.tar.gz
tar xvf master.tar.gz 
cd streameye-master/
make
make install

cat > /etc/systemd/system/streameye.service <<EOT
[Unit]
Description=streamEye
After=network.target

[Service]
Restart=always
User=ubuntu
Environment="DISPLAY=:0"
Environment="XAUTHORITY=/home/ubuntu/.Xauthority"
ExecStart=/bin/sh -c 'ffmpeg -f x11grab -s 1920x1080 -i :0 -r 1 -f mjpeg -q:v 5 - 2>/dev/null | streameye'

[Install]
WantedBy=graphical.target
EOT

systemctl enable streameye
systemctl start streameye

Ebe ọ bụ na onyonyo anyị achọghị imelite ngwa ngwa, akọwapụtara m ọnụego ume ọhụrụ: 1 etiti kwa sekọnd (parameter -r 1) na àgwà mkpakọ: 5 (parameter -q:v 5)

Ugbu a, ka anyị gbalịa ịga http://your-vm:8080/, na nzaghachi, ị ga-ahụ nseta ihuenyo na-emelite mgbe niile nke desktọpụ gị. Nnukwu! - nke ahụ bụ ihe achọrọ.

Akụkụ ndị ahịa

N'ebe a, ihe niile dị mfe karị, dịka m kwurula, anyị ga-eji Raspberry Pi Model B +.

Mbụ niile, ka wụnye na ya ArchLinux ARM, maka nke a anyị na-eso ntụziaka na saịtị ọrụ.

Anyị ga-achọkwa itinyekwu ebe nchekwa maka mgbawa vidiyo anyị, maka nke a anyị ga-edezi ya /boot/config.txt

gpu_mem=128

Ka anyị buo sistemụ ọhụrụ anyị, na icheta ibido igodo pacman, wụnye OMXPlayer:

pacman -Sy omxplayer

Ihe dị ịrịba ama bụ na OMXPlayer nwere ike ịrụ ọrụ na-enweghị X, yabụ naanị ihe anyị chọrọ bụ ide otu faịlụ maka ya wee gbaa ọsọ:

cat > /etc/systemd/system/omxplayer.service <<EOT
[Unit]
Description=OMXPlayer
Wants=network-online.target
After=network-online.target

[Service]
Type=simple
Restart=always
ExecStart=/usr/bin/omxplayer -r --live -b http://your-vm:8080/ --aspect-mode full

[Install]
WantedBy=multi-user.target
EOT

systemctl enable omxplayer
systemctl start omxplayer

Dị ka paramita -b http://your-vm:8080/ anyị na-agafe URL site na sava anyị.

Nke ahụ bụ naanị, foto sitere na sava anyị kwesịrị ịpụta ozugbo na ihuenyo ejikọrọ. Ọ bụrụ na nsogbu ọ bụla bilitere, iyi ahụ ga-amalitegharị na-akpaghị aka na ndị ahịa ga-ejikọkwa ya na ya.

Dị ka ego, ị nwere ike ịwụnye ihe oyiyi dị ka ihe nchekwa na kọmputa niile dị n'ọfịs. Maka nke a ị ga-achọ MPV и Ihe nchekwa XScreen:

mode:  one
selected: 0
programs:              
     "Monitoring Screen"  mpv --really-quiet --no-audio --fs       
      --loop=inf --no-stop-screensaver       
      --wid=$XSCREENSAVER_WINDOW        
      http://your-vm:8080/      n
    maze -root        n
    electricsheep --root 1       n

Ugbu a ndị ọrụ ibe gị ga-enwe obi ụtọ :)

isi: www.habr.com

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