Basic unix commands used in Administration

  • ls –ltr               Shows all the files and sub directories in the  current directory.
  • ls –la                 Shows all the hidden files and directories.
  • df –k .               This command shows the space in a mount.
  • du –sk *            Used to see the size of a directory.
  • top                   Used to get the CPU/Memory Utilization for each process.
  • ps  –eaf  | grep  <User Id>   To get the processes running with particular user id.
  • kill  -9  <Process Id>        To terminate the process.
  • cp  <File Name>  <New File Name> : This command is used to copy a file.
            cp file1.txt newdir
            cp file1.txt  file1bckup.txt
  • rmdir  <Directory Name>                        To remove directory.
  • rm  <File name>                                           To remove file.
  • mv  <File Name>  <New Directory>   To move the files to another directory.
  • chmod 777  <File_Name/Directory_Name>     Gives rwxrwxrwx permissions.
  • chmod  755 <File_Name/Directory_Name>     Gives rwxr-xr-x permissions.
  • chmod 775 <File_Name/Directory_Name>      Gives rwxrwxr-x permissions.
---------------------------------------------------------------------------------------------------------------------------------------------
  • Steps to kill Informatica sessions from Linux.
  • Step 1 : Get process id in sessLog from informatica monitor.
  • Step 2:  Do pstree -p| grep -i session_pid
Which will display process tree line by line, child process will   be displayed at the last which one highlighted in below snapshot.
pstree
  • Step 3 : Do kill -9 child_pid Which will kill only respective session it won’t affect to pmserver process.
Kill

Popular Posts

Featured Post

Basic unix commands used in Administration

ls –ltr                Shows all the files and sub directories in the  current directory. ls –la                  Shows all the hidden...