Trasfer over the network
Transfer stdin and stdout to and from machines over the network ssh remote_machine 'cat - > file'
View ArticleCommand to Find Current Ubuntu Version
Run this command to find the installed version of Ubuntu… cat /etc/lsb-release
View ArticleWatch for Ubuntu 9.10 Launch
This script will run check for ubuntu launch once every 5 mins and let you know if there is an launch. while [ 1 ]; do if [ -z "`curl -I "http://cdimage.ubuntu.com/releases/9.10/release/"|grep "404"`"...
View ArticleSend Text Once Every 15 Mins
Command to send a text to any phone once every 15 mins. while [ 1 ]; do sms NUMBER_GOES_HERE "$(date '+%I:%M %p') Hey Anju. Still awake?"; sleep 15m; done Script calls the command ‘sms’ – you can...
View ArticleSend One Line From a Text File as as SMS Every 10 Mins
This command will send a line from a given text file one every 10 mins as an SMS to a given number. i=1; while [ 1 ]; do sms INSERT_PHONE_NUMBER "$(cat "/home/binnyva/sms.txt"|head -n$i|tail -n1)";...
View ArticleConvert RAW files to JPEG
Convert RAW files to JPEG in batch. Convert all files in a folder using a command. For this to work, first you must have ‘ufraw’ package installed. sudo apt-get install ufraw or sudo yum install ufraw...
View ArticleIterate a Text File in Bash
This is how you iterate thru a text file outputting a line at a time in Bash shell scripting. IFS=$'\n'; for i in $(cat FILE.TXT); do echo "$i"; done
View ArticleCompress the Big Files
Compress the big image files for i in $(find . -size +1M); do convert -resize 40% -quality 80 $i $i; done
View ArticleEncrypt/Decrypt files using GPG
Encrypt/Decript files in linux #Encypt... gpg -c <Source File> #Decrypt... gpg <Encrypted File>
View ArticleSearch Wikipedia from Command Line
Get the intro paragraph of any wikipedia article using this trick… dig +short txt "<keyword>".wp.dg.cx
View ArticleDatabase Data to Download Variables
Gets data from a MySql database, splits the data into separate columns, then uses one column in a URL to download something – and uses other column to name the file thats downloaded for i in $(mysql -u...
View ArticleRename Images Based on Exif Date
Renames all the files in the current folder based on the Exif date of that image. You’ll need the ‘jhead’ command tool – use apt-get to install it. for i in *; do mv $i "$(jhead $i | grep date | sed...
View ArticleRemote Port Forwarding using SSH Tunnel
If you want someone on the internet to access a service/port on your local system(and you have access to a remote server), you can use SSH Tunnel to do this. Step 1: Configure the Remote Server Edit...
View ArticleInstall and Configure Docker
Install Docker Source Run these commands on your ubuntu system to install Docker. sudo apt update sudo apt install apt-transport-https ca-certificates curl software-properties-common curl -fsSL...
View ArticleScreen Mirroring from Android phone to Linux
Use scrcpy(screen copy) to mirror an Android device – and see/use it from your linux system. Setup Install scrcpy… sudo apt-get install scrcpy Connect your phone to your system using a USB cable. Make...
View ArticlePass Command Line Arguments to npm
If you want to pass command line arguments to npm scripts, use the -- separator. Example… npm run build -- --prefix-paths This will pass the --prefix-pathsto the build script. Please note the double --...
View ArticleRun Webserver with current folder as root
Different ways to run a webserver using the current directory as root. Useful to serve static files. If you use NPM, install serve using npm install serve -g. Then run it using the command… serve If...
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