Useful scripts for Linux users

See my Fish config for more CLI awesomness

wa

Description

Using Wolfram Alpha in command line. See blog post for description and more ideas.

Requirements

Make sure to configure variables in script
Put api key in APPID
For VIEWER, you can use text only api and optionaly use terminal that supports images or sudo apt-get install imagemagick to view images.
Configure BG and FG variables depending on color scheme

Usage

➤ wa helsinki to dublin plane
2 hours 20 minutes                                                                                           
➤ wa time in dublin
5:37:57 pm GMT; Friday, January 27, 2017
➤ wa 15.36 english money to eur
14.35 euros                                                                                                          
➤ wa days till nov 16
293 days
➤ wa 154Mbit/s to MB/s
19.2 megabytes per second
➤ wa brick red hex
#AB0303 
➤ wa weather in moscow
9 degrees Celsius and cloudy, with light winds✖
➤ wa plot x=y^2
[...draws plot if supported]
➤ # many many more usages... https://www.wolframalpha.com/examples/

volume

Decription

Script to control audio volume from console, hotkeys, e.t.c. Also shows nice Notify OSD buble with current volume value

Requirements

sudo apt-get install pulseaudio notify-osd

Usage

volume (up|down|mute)

tray-unread.sh

Decription

Update tray icon depending on script result. Current example shows unread mail count for Evolution mail (for those poor souls who need exchange but don't have web client), but actually it can check and notify about literally anything! Another example shows Git repository status.

On click simulates some keypresses to mark all mail as read.

sudo apt-get install yad
For Evolution sudo apt-get install sqlite3 wmctrl xdotool

Usage

tray-unread.sh

tray-git-status.sh

Decription

Update tray icon depending if there are changes in Git repository. ⚠ Note that it does not show any icon if repository is in sync Check for new changes every 10 minutes. See also git-sync

See https://stackoverflow.com/a/3278427/18078777

Requirements

sudo apt-get install yad git

Usage

tray-git.sh

translation-insert.sh

Decription

Prompts for text. Then inputs translation. Works in any application.

Requirements

Setup https://github.com/dmi3/bin/blob/master/yandex-translate.sh
sudo apt-get install zenity xsel

Usage

Bind script to hotkey in your DE. After input wait couple of seconds for translation to appear.

translate-yandex.sh

Decription

CLI Yandex Translate API ru↔en. Automatically detects language. Translates any language to Russian, and Russian to English.

Usage

yandex-translate.sh cat is a small, typically furry, carnivorous mammal # en → ru
yandex-translate.sh die Hauskatze ist eine Unterart der Wildkatze # de → ru
yandex-translate.sh кот это маленькое, пушистое и очень хитрое млекопитающее # ru → en

translate-selection.sh

Decription

Show popup with translation of selected text. Works in any application.

Requirements

Setup https://github.com/dmi3/bin/blob/master/yandex-translate.sh
sudo apt-get install zenity xsel

Usage

Bind script to hotkey in your DE.
Select any text. Press hotkey.

tomatych.py

Description

Simple Hackable Pomodoro Timer with optional Slack and Habitica integrations.
Intended to be hacked and modified to fit your specific vision of how Pomodoro timers should work.
Moved to separate repo

todo

Wunderlist CLI for adding todos

Decription

Wrapper for wl for adding todos with more convenient syntax Read More

Instalation

⚠ Make sure Fish shell > 2.3.0
curl https://raw.githubusercontent.com/dmi3/bin/master/todo --create-dirs -o ~/bin/todo
curl https://raw.githubusercontent.com/dmi3/bin/master/config/fish/completions/todo.fish --create-dirs -o ~/.config/fish/completions/todo.fish
https://developer.wunderlist.com/apps
[CREATE APP] (Put https://wunderlist.com to both APP URL and AUTH CALLBACK URL)
Set enviroment variables in this script ↓ (line 31)
Add more list shortcuts ↓ (line 39)

Usage

 todo buy stuff --life --on next monday
 todo resolve issue --work --star
 todo --work meet customer --on jan 7

timer

Decription

Simple timer with sound and dialog window notification. To remind you to turn stove off :). Replace pc_up.wav to any available audiofile.

Requirements

sudo apt-get install dunst aplay

Usage

timer 6 # i.e. notify after 6 minutes

status.sh

Description

CLI web stats dashboard. Visualizes GitHub and Twitter followers, top GitHub repos and last 500 blog hits with top pages and refferers. Works well in addition to headlines.sh and newsbeuter -x reload -x print-unread 2> /dev/null Read more

Requirements

spark (the other spark, not the behemoth one)
sudo apt-get install jq

Usage

Set URL, GITHUB_ID, TWITTER_ID, PARSE_APP_IDandPARSE_MASTER_KEY` variables
status.sh

sssh2

Decription

Like sssh, in addition:

hostname parameter of ssh command will appear in title.
- Useful when calling by nickname from local ~/.ssh/config i.e. ssh server_nickname, and change of server hostname is not an option.
If command supports tunneling, display it in title
- I.e. ssh -L 80:localhost:80 server_nickname will set title user@[80]server_nickname
- Avoid accidental closing of such tabs
Appends some useful aliases to existing ~/.bashrc
Preserves command history on multiple sessions

Usage

See sssh

sssh

Decription

Script to change your terminal title to user@host when connecting to ssh and changing it back after exiting. Additionally sets green prompt on remote host. Useful for Keepassx and visual distinction to avoid notorious "wrong window" problem. Also works when connecting Fish → Bash If you want hostname from local ~/.ssh/config file to appear in title use sssh2.

Requirements

sudo apt-get install xdotool

Usage

sssh user@hostname alias ssh=sssh

snippy.sh

Decription

System wide text snippet expander. Simulates cut→replace→paste so works in almost any application. Examples:

Type ->, press hotkey, get →.
Type thx, press hotkey, get Thank you. Original idea by sessy and Linux Magazine with following improvements:
Works as keybinding in Compiz/Unity/Openbox
Does not go crazy if keybinding includes Ctrl, Alt, Shift...
Works in Sublime Text/IntelliJ Idea/Chrome/Slack
Expands snippets without preceding space i.e. 30eur to 30€
- If snippet needs preceding space or start of line - use regexp \b i.e. s/\bv$/✔/g; converts v to ✔ only if its separate symbol
Expands snippets with symbols i.e. -> to →
Expands commands i.e. now to formatted todays date, mon to to formatted next mondays date
Stores all snippets in one file
Works with Ubuntu 16.04

Requirements

sudo apt-get install xdotool xclip xsel

Usage

Bind script to hotkey in your DE, for example Shift+Tab.
Add new snippets after line 30, in format s/SHORCUT$/REPLACEMENT/g;

skypenotify

Decription

Script to run append Skype messages in Notify OSD as shown on http://thexnews.com/uploads/notify.gif Since x-canonical-append is broken in notify-send for example in Skype you will wait forever untill all messages are shown This script makes new messages readable in same notification window Readme in russian

Requirements

wget https://raw.github.com/dmi3/bin/master/notify-append -P ~/bin && chmod +x ~/bin/notify-append

Usage

skypenotify "%sname" "%smessage"

rundesktop

Decription

Execute .desktop file from terminal

Usage

rundesktop /usr/share/applications/firefox.desktop

reboot

Decription

See https://github.com/dmi3/bin/blob/master/poweroff

poweroff

Decription

Gracefully closes all running X applications, then powers off the computer. Make sure to avoid conflicts with system poweroff is such exists. Useful to avoid issues when calling poweroff from console:

"The database you are trying to open is locked by another instance of KeePassXC.",
"Well, this is embarrassing. Firefox is having trouble recovering your windows and tabs."
Spotify forgetting current playlist
etc

Requirements

sudo apt-get install wmctrl

plug

Description

Interactive (un)mount of hotplug devices (USB drives) from console using FZF! Outputs path to mounted device so could be used in alias to actomatically cd to mounted directory.

Requirements

sudo apt-get install jq fzf udisks2
alias unplug='plug -u'
cd to mounted directory:

Fish shell: alias plug='cd (command plug)'
Bash shell: alias plug='cd $(command plug)'

Usage

$ plug
>         ACRONIS_MED     DataTraveler_2.0        sdb1     
          DATA            DataTraveler_3.0        sdc1
Mounted /dev/sdb1 at /media/dmi3/ACRONIS_MED.
$ plug -u
> /media/dmi3/ACRONIS_MED ACRONIS_MED     DataTraveler_2.0                sdb1                                                                                                                          
  /                       workbuntu2020   Samsung_SSD_860_EVO_M.2_500GB   sda2                                                                                                                                  
  /media/dmi3/ElTorito    ElTorito        Samsung_SSD_860_EVO_M.2_500GB   sda1 
Unmounted /dev/sdb1

numbers.py

Decription

Font especially designed to fit 6 digits to 20x8 screens For some reason miniwi.flf figlet font is not working in tty Useful for Raspberry Pi 2fa

    ▐ ██ ██ ▌▐ ██ ██
    ▐  ▐  ▐ ▌▐ ▌  ▌
    ▐ ██ ██ ██ ██ ██
    ▐ ▌   ▐  ▐  ▐ ▌▐
    ▐ ██ ██  ▐ ██ ██

Usage

python3 numbers.py 123456

notify-append

Decription

Script to run append Notify OSD messages as shown on http://thexnews.com/uploads/notify.gif Since x-canonical-append is broken in notify-send for example in Skype you will wait forever untill all messages are shown This script makes new messages shown in same notification window bellow the already shown Created as addition to notify-send. Use notify-send when you want to send notification and notify-append when you want append or replace it. Readme in russian

mus.sh

Decription

Setups MUS (Minimal Usable System). Targets very slow machines with very broken disks and very bad internet, so checks everything.

Usage

/usr/bin/GET https://raw.githubusercontent.com/dmi3/bin/master/mus.sh > ~/mus.sh && chmod +x ~/mus.sh && ~/mus.sh

memory-available.sh

Decription

Prints free memory in gigabytes. Sends urgent notification if usage is less than defined value. Cached memory is considered free. Works best with indicator-sysmonitor and dunst

Requirements

sudo apt-get install notify-send

layoutset

Decription

Script to set keyboard layout depending if its Apple or regular keyboard + some settings

Usage

layoutset

knok

Decription

Knocks to given ports with 0.5 second delay. Useful when default knockd delay is to short for server to react. Additionally displays Bob Dylan's lyrics :)

Requirements

sudo apt-get install knockd python3 python3-setuptools
sudo easy_install3 sh

Usage

knock ip [port,port...]

itunec

Decription

Mounts USB device, syncs new podcast in gpodder then umounts device

Requirements

sudo apt-get install python3 id3v2
wget https://raw.github.com/dmi3/bin/master/notify-append -P ~/bin && chmod +x ~/bin/notify-append

Usage

set LABEL to label of your player filesystem (for example SANSA CLIP to find label type ls -l /dev/disk/by-label/)
set GPODDER_DIR to directory where gpodder download podcasts
run itunec when you want to sync or
gpodder -> Podcasts -> Prefences -> Devices; set Device type to Filesystem-based and Mountpoint path where device is mounted by default
gpodder -> Podcasts -> Prefences -> Edit config -> cmd_all_download_complete -> itunec

headlines.sh

Description

Prints ground shaking headlines from Hacker News in shell greeting
Don't miss next Meltdown, be notified right away!
Doesn't distract you if nothing important happened
Allows open all news in browser and mark it as read
If you prefer simpler version without additional functionality refer to initial version
See http://developer.run/27 for description and more ideas

Requirements

sudo apt-get install jq

Usage

headlines.sh will print latest headlines
headlines.sh read will open all news in browser and mark it as read (hide)
- ~/.readnews stores titles and urls of read news
- ~/.readnews might be useful if you want to find article later
- ~/.readnews might be synced between computers
headlines.sh clear will mark all news as read (hide)
Add to shell greeting see screenshot
- https://ownyourbits.com/2017/04/05/customize-your-motd-login-message-in-debian-and-ubuntu/
- OR chmod 777 /var/run/motd.dynamic on boot and headlines.sh > /var/run/motd.dynamic
- OR chmod 777 /var/run/motd.dynamic on boot and put 0 */2 * * * /path/to/headlines.sh > /var/run/motd.dynamic to crontab -e
- To read and update greeting use headlines.sh read > /var/run/motd.dynamic && clear

git-sync

Decription

Script to simply sync all changes into git repository with one command. For example publish local changes to Github.

Requirements

sudo apt-get install git
Setup mergetool

Usage

git-sync /path/to/repo
git-sync # current dir
git-sync # if you want sync all files
git-sync -u # if you want only sync files explicitly added via `git add filename`

generate-readme.fish

Decription

Generates this readme

Usage

 echo -e "#!/bin/sh\necho \# Useful scripts for Linux users > README.md\necho \"See my [Fish config](https://github.com/dmi3/fish) for more CLI awesomness\" >> README.md\ngenerate-readme.fish --reverse >> README.md\nshasum -a 256 * | grep -v 'SHASUMS\|config' > SHASUMS" > .git/hooks/pre-commit
 chmod +x .git/hooks/pre-commit

ex-spotify-playlist.sh

Export playlists from Spotify without giving credentials to shady sites (to avoid your Spotify credentials be stolen and resold to someone in different timezone)

Converts Spotify playlist from "Song Links" list:

https://open.spotify.com/track/6autdCG3xl7gzoiDCEB2HN
https://open.spotify.com/track/4q6RvRkXquQ965hubV58lb
https://open.spotify.com/track/01pzLOA8rQLfoodUCLc2wj

To "Track - Artist" list:

Nerevar Rising - Jeremy Soule
Arcanum - NewEnglandStringQuartet
Wilderness - Matt Uelmen

Requirements

sudo apt-get install jq

Usage

Open Spotify app
Open playlist or "Songs" view
Select all tracks Ctrl+A
Copy track urls Ctrl+C
Paste into file and save
cat /path/to/file | ex-spotify-playlist.sh

ec2ssh.sh

Decription

Writes all running AWS EC2 instances with defined name to SSH config file
So you write ssh instance_name instead of ssh -i ~/.ssh/gate.pem ec2-user@ec2-12-345-67-89.us-east-1.compute.amazonaws.com
Autocompletion!
Command history is clean and reusable for ssh and scp
Instance IP change on reboot is not problem anymore
Works well with sssh2.

Instalation

Setup aws-cli
(Optional) Install latest Openssh in 16.04
Change credentials in TEMPLATE ↓

Usage

If you have Openssh > 7.3:
- ec2ssh.sh | tee ~/.ssh/aws_config
- Add Include aws_config to ~/.ssh/config
Else (will overwrite file)
- ec2ssh.sh | tee ~/.ssh/config

duplicati-ping.py

Decription

Ping https://healthchecks.io/ on successful Duplicati backup

Usage

Add path to this script to run-script-after in job Configuration → Options → Advanched Options On Windows you will need to create .bat file containing path to this script, and add path to .bat file to run-script-after

doom

Decription

Script to run gzdoom with various configurations/wads. Selectable via dmenu

Requirements

Get latest Gzdoom
`sudo apt-get install gzdoom dmenu python3 python3-setuptools
sudo easy_install3 sh

Usage

doom

control-panel

Description

GUI LXQT Settings menu

Requirements

fzf

Usage

control-panel

config/lxterminal/lxterminal.conf

Config for LXTerminal with copy/paste on Ctrl+C/V and nicer color theme

config/kitty/kitty.conf

Config for Kitty with custom hotkeys, nicer color scheme and some useful tweaks Refer to original documentation for more options

config/fish/config.fish

Fish config with awesome flexible prompt, unicode symbols, better fzf integration and tons of handy functions.

config/clipit/clipitrc

Config for ClipIt with sane defaults and hotheys

bookmarks

Decription

Script for quickly adding and accessing bookmarks. Browser independent. When you want to store bookmarks in plain format, use CLI, but don't want use bm or Buku Useful when set by hotkeys or clipboard manager actions.

Requirements

sudo apt-get install fzf

Usage

bookmarks -a http://github.com useful site
bookmarks -a %s $(zenity --entry) Interactive
bookmarks
Bookmark currently copied link using ClipIt actions: bookmarks -a %s $(zenity --entry)

battery

Description

One more script to show battery status as bar(s). Difference from other solutions:

Simplicity, duh
Acknowledges the fact that there were sometimes more than one battery in laptop
- Will display capacity for all batteries
Also the fact that there were sometimes no battery at all!
- No error in this case
Old batteries usually max at ≈99, so it has same symbol as 100
Can work with indicator-sysmonitor
Spark could be used here, but this solution is even simpler

Usage

$ battery # multiple batteries are installed
🔌 ▄▇
$ battery # single battery is installed
🔌 ▇
$ battery # no battery is installed
🔌

batch-rename.py

Decription

Renames files given in arguments. Interactively prompts for file name. If no otherwise specified - uses first file name + number.

Usage

rename.py file1 file2 file3 ...

backup_protectedtext.py

Decription

Backup secrets from www.protectedtext.com to local storage
If file is changed, keep previous version with date postfix
Only backups once per day
Can be decrypted using base64 -d BACKUP_FILE | openssl aes-256-cbc -d -k PASSWORD
More info http://developer.run/13

Usage

Run from commandline or add to cron

aliases.bash

Decription

Some handy bash aliases and settings. ⚠ You may find more useful commands in Fish shell aliases (which is easily portable to Bash)

Usage

wget https://raw.githubusercontent.com/dmi3/bin/aliases.bash --no-check-certificate -O ~/bin/aliases.bash
echo "source ~/bin/aliases.bash" >> ~/.bashrc
To make bash more usable you probably want to install https://github.com/mrzool/bash-sensible
To make this work across remote machines, you also may want to install https://github.com/Russell91/sshrc