ailtonbsj

#!/bin/bash
#
# HOW TO INSTALL: move to /usr/bin and change permissions to execute

if [ "$1" == "--help" ]; then
	cat << EOF
Usage: rename2dos pathfolder counter

pathfolder  --> Initial folder
counter     --> Restart counter added in filename

ailtonbsj

function stdDeviation(input, isAmostra){
	let amostral = 0;
	if(isAmostra != null) amostral = 1;
	let sum = input.reduce((acc,val) => acc+val);
	let mean = sum/input.length;
	let diff2 = input.map(val => Math.pow(val - mean,2));
	let sumDiff = diff2.reduce((acc,val) => acc+val);
	let desv = Math.sqrt(sumDiff/(input.length-amostral));
	console.log(mean);
	console.log(desv);

ailtonbsj

//Desvio medio absoluto
function dam(input){
	let sum = input.reduce((acc,val) => acc+val);
	let mean = sum/input.length;
	let desvAbs = input.map(val => Math.abs(val - mean));
	let sumDesv = desvAbs.reduce((acc,val) => acc+val);
	return sumDesv/input.length;
}
console.log(dam([34,29,39,34]));

ailtonbsj

[Desktop Entry]
Version=1.0
Type=Application
Name=Android Studio
Exec="/opt/android-studio/bin/studio.sh" %f
Icon=/opt/android-studio/bin/studio.png
Categories=Development;IDE;
Terminal=false
StartupNotify=true
StartupWMClass=jetbrains-android-studio

ailtonbsj

[Desktop Entry]
Version=1.0
Name=Packet Tracer 7
Exec=/opt/pt/packettracer
Terminal=false
X-MultipleArgs=false
Type=Application
Icon=/opt/pt/art/app.png
Categories=Development;

ailtonbsj

#Needs apt install nmap
nmap -sP 192.168.1.* | grep for | awk {'print $5 " " $6'}

ailtonbsj

#!/bin/bash
# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
 echo "This script must be run as root"
 exit 1
fi
 
awk -F':' '{ print $1}' /etc/passwd | grep aluno > usrs
cat usrs | while read line; do
 userdel -r $line