Lots of new stuff
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lhark
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1 changed files with 148 additions and 6 deletions
154
how_to
154
how_to
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@ -19,6 +19,7 @@ Usefull packages :
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Desktop environment :
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dwm Dynamic Window Manager
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dmenu
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sway
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Office :
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sent Simple slides tool
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Misc :
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@ -28,6 +29,72 @@ Usefull packages :
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jedi-vim
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Pretty log pager:
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lnav
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Backlight management:
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light # http://haikarainen.github.io/light/
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System setup:
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display/drivers:
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xorg-server
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xorg-xinit
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xorg-xev
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xf86-video-{intel,amdgpu,etc...}
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xf86-input-libinput
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mesa
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lib32-mesa
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xinput
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light # backlight control
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mesa-demos
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desktop;
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dwm
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dmenu
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dunst
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libnotify
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sound:
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pulseaudio
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pavucontrol
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alsa-utils{,-runit}
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tools:
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kitty
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zsh
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git
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vim
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xsel
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xclip
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htop
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ncdu
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usbutils # contains lsusb
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arch:
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trizen
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highlight
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multimedia:
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imagemagick
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feh
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mpv
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mpd
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ffmpeg
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youtube-dl
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qrencode
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maim
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gimp
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security
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keepassxc
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connectivity:
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wpa_supplicant
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networkmanager{,-runit}
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qutebrowser # With jblock
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openssh{,-runit]
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liferea
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bluez{,-runit}
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fonts:
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ttf-Hack
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mail:
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neomutt
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fdm
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isync
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msmtp
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notmuch
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misc:
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miscfiles
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keyboard :
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@ -218,12 +285,13 @@ Drag & drop files:
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Fix hardware clock (with chrony):
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sudo chronyc
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makestep
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trimrtc
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trimrtc
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quit
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Alternative to trimrtc:
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sudo hwclock --systohc
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Network Manager:
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# Yes it is bloated, but it #JustWorks(TM)
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nmtui : add/edit connections
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nmcli : informations
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Fix nm-applet/nmtui only working with root/sudo:
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@ -235,6 +303,12 @@ Network Manager:
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});
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sudo usermod -aG network <user>
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Ethernet sharing:
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install dnsmasq
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Add new ethernet connection
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Under IPv4:
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select Shared
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Power saving :
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echo "vm.dirty_writeback_centisecs = 6000" >> /etc/sysctl.d/dirty.conf
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echo "vm.laptop_mode = 5" >> /etc/sysctl.d/laptop.conf
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@ -274,6 +348,24 @@ Video and audio editing:
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Gif to mp4 for browsers/the web:
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# https://unix.stackexchange.com/a/294892
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ffmpeg -i in.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" out.mp4
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mp4 to gif:
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# https://superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality
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ffmpeg -i in.mp4 -vf "fps=10,scale=320:-1:flags=lanczos,split[x][z];[z]palettegen[y];[x][y]paletteuse" -loop 0 out.gif
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Convert video to YUV420 for the Web:
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# https://stackoverflow.com/a/37969294
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ffmpeg -i 1/25359.mp4 -vf "scale=2*trunc(iw/2):-2,setsar=1" -profile:v main -pix_fmt yuv420p out.mp4
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Record screen:
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# https://www.reddit.com/r/linux/comments/8n3ylp/screen_recording_in_x11_with_ffmpeg/
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ffmpeg -video_size 702x779 -framerate 30 -f x11grab -i "$DISPLAY+0,19" out.mp4
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# With some sound capture
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ffmpeg -video_size 702x779 -framerate 30 -f x11grab -i "$DISPLAY+0,19" -f pulse -ac 2 -i default out.mp4
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# How to get window geometry
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xdotool selectwindow getwindowgeometry
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# Awful one liner
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# About the YUV420 conversion: https://stackoverflow.com/a/37969294
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xdotool selectwindow getwindowgeometry | awk '/Position/{printf $2" "$4" "} /Geometry/{printf $2" "}' | sed 's/)//' | read OFFSET SCREEN SIZE; ffmpeg -video_size $SIZE -framerate 30 -f x11grab -i "$DISPLAY.$SCREEN+$OFFSET" -vf "scale=2*trunc(iw/2):-2,setsar=1" -pix_fmt yuv420p out.mp4
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Filter doc:
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# https://trac.ffmpeg.org/wiki/FilteringGuide
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ImageMagick:
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crop to aspect ratio
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@ -714,6 +806,12 @@ Android diagnostic debug phone codes:
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Android wpa_supplicant conf file path:
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/data/misc/wifi/wpa_supplicant.conf
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Grub2 theme customization:
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theme.txt reference:
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http://wiki.rosalab.ru/en/index.php/Grub2_theme_/_reference#Main_file_syntax
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Example theme:
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https://github.com/shvchk/fallout-grub-theme
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Limit bandwidth, download/upload speed of process:
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Non-forking processes
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netbrake -r <bytes per sec> <program> [args]
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@ -721,8 +819,52 @@ Limit bandwidth, download/upload speed of process:
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Pacman -> /etc/pacman.conf
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XferCommand = /usr/bin/wget --limit-rate 100K --passive-ftp -c -O %o %u
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Grub2 theme customization:
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theme.txt reference:
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http://wiki.rosalab.ru/en/index.php/Grub2_theme_/_reference#Main_file_syntax
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Example theme:
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https://github.com/shvchk/fallout-grub-theme
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Qutebrowser
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Adblocking:
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https://gitlab.com/jgkamat/jblock
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Config:
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:set auto-save.session true
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Alsa set default card
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Get list of cards:
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$ aplay -l
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In ~/.asoundrc:
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pcm.!default {
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type hw
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card <name|id>
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}
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ctl.!default {
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type hw
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card <name|id>
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}
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Testing:
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$ aplay -D default:PCH /usr/share/sounds/alsa/Front_Center.wav
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mpc/mpc shuffle whole library and save as playlist
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$ mpc crop && mpc listall | mpc add && mpc shuffle && (mpc rm all; mpc save all)
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GNU miscfiles:
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Dictionary wordlist
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Airport codes
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Chat abbreviations
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Cities/countries list
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Currency ISO code
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list of connective words
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phone country codes
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north america area codes
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C operator associativity
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Imcomplete proper name list
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Unicode characters
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Dictionary:
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sdcv # CLI stardict tool. Dictionaries not included
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stardict-wornet # English dictionary (AUR)
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miscfiles # GNU miscfiles project include a wordlist file
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grep "word" /usr/share/dict/words
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Gandi for server setup:
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Dynamic DNS:
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install gandi-automatic-dns (AUR)
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Let's encrypt/letsencrypt:
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install certbot-dns-gandi-git (AUR)
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# Email address is kept private
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