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huhuhu_config/tutos/computer.txt
2022-12-20 10:47:41 +01:00

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**screen size** pour 2*2: 137*38 / pour 1*1: 68*19 (37 et 18 si barre des menus cachee)
**ctrl c** termine l'action en cours du terminal
**ctrl s** bloque l'affichage du terminal
**ctrl q** rétablit la communication avec le terminal
**ctrl z** stop le travail en cours et le met sur pause
**fg** relance le dernier travail mis sur pause
**mkdir file{1..10}** creer 10 dossiers nommés de file1 à file10
**pwd** print working directory
**xdg-open .** open working directory
**du -sh** directory sizes
**ncdu** (visual version of 'du' command) quick presentation of directories size
**ssh username@ssh.server.domain -p XXXX** se connecter a un serveur via ssh en precisant un port
**sftp -P XXXX username@ssh.server.domain** se connecter a un server ssh avec le protocol ftp
**vim scp://username@ssh.server.domain:XXXX//home/path/to/file** edit a remote file from local vim
**pdftotext** transforme un pdf en un fichier texte
**^** designe le debut d'une ligne
* n'importe quel caractere autant de fois que possible
**ls** ** montre tous les dossiers et sous-dossiers recursivement
**chmod 755 fichier** chmod change les droits des fichiers, organisés en : rwxrwxrwx avec pour valeur r=4 w=2 x=1 donc r-w == r + w == 4 + 1 == 5
**zsh**
**sudo apt-get install zsh**
**which zsh** donne le chemin d'acces de zsh (/usr/bin/zsh)
**chsh -s /usr/bin/zsh** change shell (chsh) pour zsh
(reboot le systeme pour que les changements prennent effet)
**echo $SHELL** pour voir quel shell est utilisé
(uncomment **line --DISABLE_AUTO_TITLE="true"--** in ~/.zshrc file pour empecher screen de donner un nom automatique aux sessions)
**sass name.scss name.css** create a css file from a scss file
**sass --watch name.scss:name.css** make the transformations of scss in css file
**'tree' like :**
find | sort | grep -ve "node_modules/" -e ".git/" | sed 's#[^/]*/#|__ #g;s#__ |# |#g;s#| # #g;s#\(node_modules\|.git[ignore]*\)#\1 ...#;$a\ '
**format usb**
**sudo fdisk -l** list all disks - find yours (something like /dev/sdx)
**sudo fdisk /dev/sdx** enter in fdisk program
**p** print the partions
**o** create an empty dos table
**n** add a new partition
**p** primary
**1** partition number 1
**enter** default first selector
**+1G** for 1Gb size or *enter* for default
**a** toogle the flag *bootable*
**n** again if you want more partitions
**w** write and quit
**touchscreen :**
**xinput --list** list all input
**xinput disable 12** disable the input 12, touchscreen for Lenovo-FLEX-3-1120
**load to start :** add "xinput disable 12" in application autostart
ADD FORMULA TO FIND 12
**appimage :**
**chmod +x <name>.appimage** make it executable
(optional) **mv path/Nextcloud-xx.Appimage ~/.local/bin/nextcloud**
**sudo vim /usr/share/applications/<name>.desktop** create a file.desktop with content :
[Desktop Entry]
Exec=/absolute/path/to/file/<name><.ext>
Name=<name>
Type=Application
**( cd /usr/share/applications && chmod 644 <name>.desktop )** maybe change permissions
**applications :**
**ln -s /path/to/executable /usr/bin**
add /usr/share/applications/<name>.desktop as explained above for appimages
**firefox extension source code :**
**right click on install** and select "copy link"
**curl -L <link> > /tmp/myextension.xpi** download the extension with curl inside a tmp file
**unzip /tmp/myextension.xpi -d /tmp/myextension** unzip the content
enjoy reading it ;)
**enable accents on ubuntu :**
**compose key = right alt** change in keyboard > layout > compose key
**sudo apt install gnome-tweaks** maybe install tweak to change compose key
**r-alt ' e** é
**r-alt ` e** è
**alternatively :** https://askubuntu.com/questions/1028957/how-to-set-a-compose-key-in-ubuntu-18-04
**man xkeyboard-config** look for the compose options (shortcut: enter /compose:). You will find
compose:ralt Right Alt
compose:lwin Left Win
compose:lwin-altgr 3rd level of Left Win
compose:rwin Right Win
compose:rwin-altgr 3rd level of Right Win
compose:menu Menu
compose:menu-altgr 3rd level of Menu
compose:lctrl Left Ctrl
compose:lctrl-altgr 3rd level of Left Ctrl
compose:rctrl Right Ctrl
compose:rctrl-altgr 3rd level of Right Ctrl
compose:caps Caps Lock
compose:caps-altgr 3rd level of Caps Lock
compose:102 <Less/Greater>
compose:102-altgr 3rd level of <Less/Greater>
compose:paus Pause
compose:prsc PrtSc
compose:sclk Scroll Lock
**setxkbmap -option compose:paus** let us say you want to pick Pause as the compose key. Just issue
**XKBOPTIONS="terminate:ctrl_alt_bksp,compose:paus"** to make it reboot-persistent,
edit /etc/default/keyboard
if you had other options already,
separate them with commas
**connect to planet hoster with ssh :**
ssh hugugtzx@world-370.fr.planethoster.net -p 5022
**to enable vi :** `export TERM=xterm`
**locked files on nextcloud :** https://help.nextcloud.com/t/file-is-locked-how-to-unlock/1883
**youtube-dl for france.tv :**
https://github.com/ytdl-org/youtube-dl/issues/29956#issuecomment-1013345689
**remap keyboard keys :**
/* FOR ONE SESSION */
**xev** open a program that gives informations about key events, like keycode
**xmodmap -pk | grep <keycode>** to find the name of the key, like Return
**xmodmap -e "keycode <keycode> = <name>"** ex: `xmodmap -e "keycode 62 = Return"`
/* OR FOREVER */
**sudo cp /usr/share/X11/xkb/symbols/pc /usr/share/X11/xkb/symbols/pc.bak** save the file
**sudo vim /usr/share/X11/xkb/symbols/pc** modify the file
**settings of firefox extension MultiTranslate :**
iframe {
/*min-width: 720px;*/
min-height: 600px;
border: none;
margin-top: -160px;
}
iframe ~ * {
display: none !important;
}
**open default sites with firefox :**
https://askubuntu.com/questions/79305/how-do-i-change-my-default-browser
**sudo update-alternatives --config x-www-browser**
**sudo update-alternatives --config gnome-www-browser**
**change dns :**
https://learnubuntu.com/change-dns-server/
so far i just changed in /etc/resolv.conf
**format usb :**
- list disk :
**df -h** mounted partitions, or
**lsblk** or
**sudo fdisk -l** for more informations
- unmount partitions :
**sudo umount /dev/sdb1** unmount usb, replace /dev/sdb1 with name of your usb
- if necessary, erase all memory :
**sudo dd if=/dev/zero of=/dev/sdb bs=4k status=progress && sync** sync to flush the cache
- if necessary, erase all partitions or create new ones :
**sudo fdisk /dev/sdb**
> Command (m for help): **o** for creating an empty partition table
> Command (m for help): **n** for creating a new one
> Select (default p): **<enter>** to select default p
> Partition number (default 1): **<enter>** to create a partition number 1
> First sector (default 2048): **<enter>** to start partition at begining
> Last sector (default xxxxxxxx): **<enter>** to give partition full size
> Command (m for help): **w** to write the changes (before that, nothing was really made)
- format partitions (re list before) :
**sudo mkfs -t vfat -n "<name>" /dev/sdb1** to format in fat32 (vfat) (MaKe FileSystem)
**list of automatic settings :**
- install screen, omyzsh, keepassxc, curl, make, firefox, signal, gnome-tweaks
- install or configure to avoid screen blue light
- install nextcloud client (apt ? or appimage ? appimage need fuse : https://github.com/AppImage/AppImageKit/wiki/FUSE), and launch at startup
- install these settings (connection with bitbucket ? ssh ? https ?)
- configure cursor speed, click with touch
- change dns
- configure firefox :
- default browser
- duckduckgo default search
- addons :
- keepassxc
- i dont care about cookies
- auto tab discard
- settings > barre d'outils action click gauche > desactiver tous les autres onglets
- ublock origin
- deepl/multitranslate
- youtube speed control, by toxblh
- download file
- password settings
- setting ctrl-tab to switch to last used tabs
- configure desktop bar with infos and stats
- configure git global email and name
**todo !**
- re-add code to move cursor on wrap text in vimrc
- add vimrc, zshrc, and screenrc in default screen windows