Hadoop Basic Linux Commands

  • date 14th February, 2019 |
  • by Prwatech |
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Hadoop Basic Linux Commands

  Welcome to the world of best Linux commands used in Hadoop, In This tutorial, one can easily learn a List of all Top Rated Hadoop basic Linux commands which are available and are used by most of the Hadoop developers. Are you also dreaming to become to certified Pro Developer, then stop just dreaming get your Hadoop certification course from India’s Leading Big Data Training institute.   So follow the below mentioned basic Linux commands for Hadoop from Prwatech and learn Hadoop Course like a pro from today itself under 15+ Years of Hands-on Experienced Professionals.   Hadoop linux commands  

Basic Linux commands used in Hadoop

  ls ⇒ directory listing   Hadoop linux commands   ls -al ⇒ formatted listing with hidden files Hadoop linux commands   cd dir ⇒ change directory to dir Hadoop linux commands   cd ⇒ change to home Hadoop linux commands   pwd ⇒ shows current directory Hadoop linux commands   mkdir dir ⇒ create a directory dir Hadoop linux commands   rm file ⇒ delete the file   Hadoop linux commands   rm -r dir ⇒ delete directory dir   Hadoop linux commands   rm -f file ⇒ force remove the file Hadoop linux commands   rm -rf dir ⇒ force remove directory dir * Hadoop linux commands   cp file1 file2 ⇒ Copy file1 to file2   Hadoop linux commands   cp -r dir1 dir2 ⇒ copy dir1 to dir2; create dir2 if it is not present.   Hadoop linux commands   mv file1 file2 ⇒ rename or move file1 to file2 if file2 is an existing directory, moves file1 into directory file2 Hadoop linux commands   ln -s file link ⇒ create a symbolic link to file Hadoop linux commands   touch file ⇒ create or update file   Hadoop linux commands   cat > file ⇒ places standard input into the file   Hadoop linux commands   more file ⇒ output the contents of the file   Hadoop linux commands   head file ⇒ output the first 10 lines of the file   Hadoop linux commands   tail file ⇒ output the last 10 lines of the file   Hadoop linux commands   tail -f file ⇒ output the contents of the file as it   grows, starting with the last 10 lines   Hadoop linux commands

Permission Commands:

  chmod ⇒ modify file access rights hadoop linux commands   su ⇒ temporarily become the superuser   hadoop linux commands   sudo ⇒ temporarily become the superuser   hadoop linux commands   chowm ⇒ change file ownership hadoop linux commands   chgrp ⇒ change a file's group ownership hadoop linux commands

System Info Commands :

  date ⇒  shows the current date and time   hadoop linux commands   cal ⇒  show this month's calendar hadoop linux commands   uptime ⇒  show current uptime hadoop linux commands   w ⇒  display who is online hadoop linux commands    whoami ⇒ who you are logged in as hadoop linux commands     finger user ⇒  display information about user   hadoop linux commands   uname -a ⇒  show kernel information hadoop linux commands   cat /proc/cpuinfo ⇒  cpu information   hadoop linux commands   cat /proc/meminfo ⇒  memory information hadoop linux commands   man command ⇒  show the manual for command hadoop linux commands   df ⇒  show disk usage   hadoop linux commands   du ⇒  show directory space usage hadoop linux commands   free ⇒  show memory and swap usage   hadoop linux commands   whereis app ⇒  show possible locations of app   hadoop linux commands   which app ⇒  show which app will be run by default   hadoop linux commands  

Process Management Commands:

  ps ⇒ display your currently active processes hadoop linux commands   top ⇒  display all running processes hadoop linux commands   kill pid ⇒  kill process id pid hadoop linux commands   killall proc ⇒  kill all processes named proc * hadoop linux commands   bg ⇒  lists stopped or background jobs; resume a   stopped job in the background   hadoop linux commands   fg ⇒  brings the most recent job to foreground   hadoop linux commands   fg n ⇒  brings job n to the foreground   hadoop linux commands  

SSH Commands

  [email protected] ⇒ connect to host as the user   hadoop linux commands   ssh -p port [email protected] ⇒  connect to host on port port as user   hadoop linux commands   ssh-copy-id [email protected] ⇒  add your key to host for user to enable a keyed or passwordlesslogin hadoop linux commands  

Searching Commands

  grep pattern files ⇒  search for pattern in files   hadoop linux commands   grep -r pattern dir ⇒  search recursively for pattern in dir   hadoop linux commands   hadoop linux commands   command | grep pattern ⇒  search for pattern in the output of the command   hadoop linux commands   locate file ⇒  find all instances of file   hadoop linux commands  

Network Commands

  ping host ⇒  ping host and output results   hadoop linux commands   whois domain ⇒  get whoisinformation for domain hadoop linux commands   dig domain ⇒  get DNS information for domain   hadoop linux commands   dig -x host ⇒  reverse lookup host   hadoop linux commands   wget file ⇒  download file   hadoop linux commands   wget -c file ⇒  continue a stopped download   hadoop linux commands  

Installation Commands

  Install from source:   hadoop linux commands ./configure make make install hadoop linux commands   dpkg-i pkg.deb ⇒  install a package (Debian)   hadoop linux commands  

Shortcuts Commands

  ♦ Ctrl+C ⇒  halts the current command ♦ Ctrl+Z ⇒  stops the current command, resume with fgin the foreground or bgin the background ♦ Ctrl+D ⇒  log out of current session, similar to exit ♦ Ctrl+W ⇒  erases one word in the current line ♦ Ctrl+U ⇒  erases the whole line ♦ Ctrl+R ⇒  type to bring up a recent command ♦ !! ⇒  repeats the last command ♦ exit ⇒  log out of current session   Thanks for Reading us, if you are also the one who is keen to learn the technology like a pro from scratch to advanced level, the Ask your World-class Trainers of India's Leading Hadoop Training institute now and get Benefits of Big Data Certification course from Prwatech.  

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