Linux Command

#To find process by port

root@My-ThinkPad $ sudo lsof -i :5672 | grep LISTEN  

[sudo] password for root: 

beam.smp 953 rabbitmq   52u  IPv6 33026      0t0  TCP *:amqp (LISTEN)


Kill process  



sudo kill 953

#rmdir - Remove folder 



root@My-ThinkPad $ rmdir {foldername}  



#Remove folder permanently  



root@My-ThinkPad $ sudo rm -rf folderName

FYI: you can use letters

-f, -r, -v: 

    -f = to ignore non-existent files, never prompt

    -r = to remove directories and their contents recursively

    -v = to explain what is being done

#Run execute files 



root@My-ThinkPad $ sudo ./{filename}.run 

e.g. root@My-ThinkPad $ sudo ./bitnami-rabbitmq-3.7.6-0-linux-x64-installer.run 

#Run script files 



root@My-ThinkPad $ sh {filename}.sh

#copy file from one folder to another 



root@My-ThinkPad $ sudo cp /opt/user/1.html /opt/user1

#copy file from one computer  to another 



root@My-ThinkPad $ sudo scp /opt/user/1.html root@My-ThinkPad1:/opt/user1
#ls - Show files in directory

root@My-ThinkPad $ ls 

Desktop Downloads

Music Pictures

#Show hidden files 



root@My-ThinkPad $ ls -a
  

#Show hidden files with details 

root@My-ThinkPad $ ls –al 



#To create folder 

root@My-ThinkPad $ mkdir {foldername} 



#Unzip file in folder  



root@My-ThinkPad $ unzip file.zip -d destination_folder 



-d means external folder, its optional 



If the unzip command isn't already installed on your system, then run: 



root@My-ThinkPad $ sudo apt-get install unzip 

e.g. root@My-ThinkPad $ unzip glassfish-4.1.zip -d /home/hcdc/webapps/ 



 #pwd - To know which directory you are in, It gets absolute path  



root@My-ThinkPad $ pwd

/home/root

#cd- Go to directory

root@My-ThinkPad $ cd Downloads 

root@My-ThinkPad: Downloads $