Reference

Some Useful commands for Linux Beginner

If you have installed 2 versions of Java you can choose which one you want using the given command in terminal

sudo update-alternatives --config java

After choose your choice and Enter


Creating New Profile Manager Firefox

firefox -ProfileManager -new-instance

Login with ssh without promt for password

sshpass -p 'password' ssh user@192.168.X.X  

 

Run a automation script Parallely two devices

adb -s 0123456789ABCDEF shell am instrument -e class com.omt.quikformz.test.LoginTest -w com.omt.quikformz.test/android.test.InstrumentationTestRunner

adb -s c1607d8552c397f shell am instrument -e class com.omt.quikformz.test.LoginTest -w com.omt.quikformz.test/android.test.InstrumentationTestRunner


Copy File from Local to Remote System

scp <file name> username@ipaddress:/home/<username>/

ex: scp abcd.txt dharma@129.282.37.31:/home/dharma/

It will save the text file from local system to remote system HOME Directory


Create DB DUMB on Remote Machine

mysqldump -u root -p<password> --databases dbname > /home/dharma/dbname.sql

Create Tar file

tar -czvf ROOT.war.tar.gz ROOT.war

Extract tar file 

tar -xzvf ROOT.war.tar.gz

Run Jmeter from Terminal(If you installed Jmeter)

./jmeter -n -t TestPlanResult.jmx -l jmeteroutput.csv

Cronjob format

* */8 * * * /home/colo/apache-jmeter-2.12/bin/run.sh
this will run every 8 hours

10 18 * * * /home/colo/apache-jmeter-2.12/bin/run.sh
this will run 6.10PM everyday

00 10 * * 1-5 /home/colo/apache-jmeter-2.12/bin/run.sh
this will run MON to FRI morning 10 AM

To Run Browser from Cronjob

00 23 * * 1-6 export DISPLAY=:0 && /home/dharma/run.sh > /home/dharma/logs.txt|mail -s "Subject" xyz@gmail.com

Recover Deleted Files

cd ~/.local/share/Trash/files
ls