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All practicals should be The first 3 practicals are done on ECS, so it is required to login to ics-login first:

Code Block
languagebash
ssh%ssh ecs-login

Users with full HPC access can do the practicals from hpc-login node as well.

Exercise 4) is done from your local computer or laptop with (s)ftp.


1)

Create new directory in ectmp and archive file: /home/trx/grib_practicals.tar to the directory:

Expand
titleSolution


Code Block
languagebash
emkdir%emkdir ectmp:training_2023                # create changea ECFSnew directory toin ectmp
ecd%ecd ectmp:training_2023                   # change ECFS directory to your new ECFS directory
ecpwd%epwd ectmp:                               # see what is your current directory in ectmp
ecp%ecp /home/trx/grib_practicals.tar ectmp:  # copy the file to your current ectmp directory
els%els -l ectmp:                             # list your current ectmp directory (the grib_practicals.tar file should appear in the list now)
ecd%ecd ectmp:                                # go back to your ectmp home
els%els -l ectmp:                             # you should see your training_2023 directory now 
els%els -l ectmp:training_2023/               # list the directory to see grib_practicals.tar file inside


...

Expand
titleSolution


Code Block
languagebash
ecfsdir%ecfsdir grib_practicals ectmp:

    grib_practicals
    grib_practicals  directory saved

els%els -l ectmp:
    -rw-r-----   1 user     group           37014528 Nov  2 16:15 grib_practicals

Note, in ECFS your Unix directory structure is saved as a file.

...

Expand
titleSolution


Code Block
languagebash
mkdir%mkdir $SCRATCH/temp_dir_for_ECFS_practicals              # create temporarily directory
cd%cd $SCRATCH/temp_dir_for_ECFS_practicals
ecfsdir%ecfsdir ectmp:grib_practicals ./grib_practicals_copy     # download the directory previously saved in ECFS to your local directory with name grib_practicals_copy/

ls%ls -l
    total 4
    drwxr-x--- 5 user group 4096 Nov  2 16:26 grib_practicals_copy


...

Expand
titleSolution


Code Block
languagebash
%sftp <ECMWF username>@boaccess.ecmwf.int
Authorized access only.

***************************************************************
   For further information, read the ECaccess documentation at:

   https://software.ecmwf.int/wiki/display/ECAC/ECaccess+Home

   You can also use ECaccess to load & download files from your
   EChome, ECscratch or ECfs directories using the ECaccess FTP
   server:

   ftp://uid@boaccess.ecmwf.int/

   Please note you must use your passcode to login!
***************************************************************

(usbk@boaccess.ecmwf.int) usbk@88.152.186.157's password:

{Enter your first configured TOTP}

Connected to boaccess.ecmwf.int.

sftp> ls -l
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 ECFS
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 ECHOME
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 ECHOST
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 ECSCRATCH
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 ECTMP
drwxr-x--- 1 16924    1212            2048 Oct 31 11:06 TMP 

sftp> cd ECTMP
sftp> cd training_2023
sftp> ls -l
-rw-r----- 1 16924    1212        37027840 Nov 01 19:56 grib_practicals.tar

sftp> get grib_practicals.tar
 Fetching /ECTMP/training_2023/grib_practicals.tar to grib_practicals.tar
grib_practicals.tar                                                                                              100%   35MB   3.7MB/s   00:09    

sftp> quit

The file should be in your local folder on your computer.


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