diff --git a/docs.it4i/dice.md b/docs.it4i/dice.md
index 1368643c0647af1c0a467b72eea7e18110439e33..868d5b15a3e82374cfe0e72b67a433d77e72b8e2 100644
--- a/docs.it4i/dice.md
+++ b/docs.it4i/dice.md
@@ -48,15 +48,16 @@ We have to be sure about your identity, this will be done throught this steps:
 ![](img/irods_linking_link.jpg)
 
 - contact our support@it4i.cz by mail, we will create your account at our iRODS server.
-- fill this request for [EUDAT][h], please specify requested capacity.
+- ***fill this request on [EOSC-MARKETPLACE][h] - recommended *** or at [EUDAT][l] , please specify requested capacity.
+- ![](img/eosc-marketplace-active.jpg)
 - ![](img/eudat_request.jpg)
 
 ## ***Access to iRods Collection From Karolina***
 
 - access to cluster is must (it4i account)
 - iRODS clients are provided as a module on our ***Karolina*** cluster ( Barbora is in progress )
-- module irodsfs loads config file for irodsfs nad for icommands too
-- PAM passwords is password, you set in aai.it4i.cz
+- module irodsfs loads config file for irodsfs and for icommands too
+- password to irods is set already, but you can set new at aai.it4i.cz . 
 
 ***How to mount your collection***
 
@@ -206,9 +207,36 @@ total 0
 ### iCommands
 
 - this is linux client only, basic knowledge of commandline is neccessary
-- manual is for centos7
-- for ubuntu20 - there is [http://docs.snic.se/wiki/IRODS_iCommands_installation_on_Ubuntu_20.04#Authenticate_and_test_iRODS_iCommands_client][j]
+- we recommend Centos7, ubuntu 20 is optional
 
+***steps for Ubuntu20:***
+```console
+Prepare IRODS APT repository 
+
+dejan@dejan:~$ LSB_RELEASE="bionic" 
+dejan@dejan:~$ wget -qO - https://packages.irods.org/irods-signing-key.asc | sudo apt-key add -
+OK
+dejan@dejan:~$ echo "deb [arch=amd64] https://packages.irods.org/apt/ ${LSB_RELEASE}  main" \
+>   | sudo tee /etc/apt/sources.list.d/renci-irods.list
+deb [arch=amd64] https://packages.irods.org/apt/ bionic  main
+dejan@dejan:~$ sudo apt-get update
+dejan@dejan:~$ apt-cache search irods
+dejan@dejan:~$ wget -c \
+  http://security.ubuntu.com/ubuntu/pool/main/p/python-urllib3/python-urllib3_1.22-1ubuntu0.18.04.2_all.deb \
+  http://security.ubuntu.com/ubuntu/pool/main/r/requests/python-requests_2.18.4-2ubuntu0.1_all.deb \
+  http://security.ubuntu.com/ubuntu/pool/main/o/openssl1.0/libssl1.0.0_1.0.2n-1ubuntu5.10_amd64.deb
+dejan@dejan:~$ sudo apt install \
+  ./python-urllib3_1.22-1ubuntu0.18.04.2_all.deb \
+  ./python-requests_2.18.4-2ubuntu0.1_all.deb \
+  ./libssl1.0.0_1.0.2n-1ubuntu5.6_amd64.deb
+dejan@dejan:~$ rm -rf \
+  ./python-urllib3_1.22-1ubuntu0.18.04.2_all.deb \
+  ./python-requests_2.18.4-2ubuntu0.1_all.deb \
+  ./libssl1.0.0_1.0.2n-1ubuntu5.6_amd64.deb
+dejan@dejan:~$ sudo apt install -y irods-icommands
+```
+
+***Steps for centos***
 ```console
 sudo rpm --import https://packages.irods.org/irods-signing-key.asc
 sudo wget -qO - https://packages.irods.org/renci-irods.yum.repo | sudo tee /etc/yum.repos.d/renci-irods.yum.repo
@@ -275,7 +303,7 @@ For more commands, use the `ihelp` command.
 [c]: https://irods.org/
 [d]: https://b2access.eudat.eu/
 [f]: https://aai.it4i.cz/realms/IT4i_IRODS/account/#/
-[h]: https://www.eudat.eu/contact-support-request?Service=B2SAFE
+[h]: https://marketplace.eosc-portal.eu/services/b2safe/offers
 [i]: https://cyberduck.io/download/
-[j]: http://docs.snic.se/wiki/IRODS_iCommands_installation_on_Ubuntu_20.04#Authenticate_and_test_iRODS_iCommands_client
 [k]: https://docs.it4i.cz/irods.it4i.cz.crt
+[l]: https://www.eudat.eu/contact-support-request?Service=B2SAFE
diff --git a/docs.it4i/img/eosc-marketplace-active.jpg b/docs.it4i/img/eosc-marketplace-active.jpg
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