Frequently Asked Questions
General
- I'm a new CSC user. How to get started?
- X11 remote graphics does not work
- How to get access to Puhti
- How to cite CSC in a paper?
- Can I still use CSC services if I'm moving abroad?
- How can I move data between CSC and my local computer?
- Disk quota exceeded
- I need a Database, where can I deploy it?
- Is there a glossary of the acronyms you keep using?
- How to write good support requests to CSC Service Desk
- My SSH keys do not work
- I have questions about the Billing Unit renewal (2025)
- Connecting to CSC supercomputers using VS Code fails with out-of-memory error
- WARNING: connection is not using a post-quantum key exchange algorithm.
Roihu
Batch jobs
- Why does my batch job fail?
- Why is my job queuing so long?
- How to estimate how much memory my job needs?
- When will my batch job run?
- How can I change which project is billed for my usage?
- Sending email when a job starts/finishes is not working
Accounts
- I cannot login. What to do?
- I forgot MyCSC password. How do I get a new one?
- How to solve issues with multi-factor authentication (MFA)
- How to create a CSC user account?
- How can I find information about my projects?
- Why is a user called 'system' using our resources
- How can I change which project is billed for my usage?
- I have moved to a new university/organization. Can I keep my present user account and join it to some new project under the new organization?
- A foreign researcher is joining our research group as a visiting scientist. Can they receive an academic CSC user account?
Computing
- How is the computing time calculated?
- Where should I put my data?
- How can I share my data with other users?
- How do I know how much computing resources I have left?
- Which directory should I use to analyze many small files?
- How do the project and scratch file permissions work?
- How does LUMI-C differ from Mahti?
- Frequently asked questions about Roihu
Python on supercomputers
- How do I install missing Python packages to CSC-provided modules?
- How do I create my own Python environment?
- How to troubleshoot Python installation problems?
- How to avoid Python pip cache filling up my home directory
Allas
- How to move data from Puhti to Allas and vice versa?
- Can I have a personal project or bucket in Allas?
- Export data
- Is it possible to move data in Allas to new project?
- Is it possible to make data in Allas read-only?
- What to do for data in Allas after project ends?
- How to make a bucket public?
Pouta
- Can I access MyCSC home/wrkdir/scratch/project directories from Pouta?
- Can I run MPI applications on pouta?
- Do you offer SSL certificates?
- Export data and images
- How can I give access to other people to my VM in Pouta?
- How can I store data on Pouta?
- How fast is the Pouta network?
- How to create default network and router in a Pouta project
- How to get Allas S3 credentials
- How to mount my Allas S3 bucket to a VM running in cPouta
- How to rescue a Pouta instance
- How to resize an instance or volume in Pouta?
- How to use cPouta for Remote Desktop
- How to use cPouta GPU for rendering
- Is nested virtualization supported on Pouta?
- Is Pouta backed up?
- What does it cost to use Pouta?
- What are volumes? How do I use them?
- Why can't I connect to my VM in Pouta?
- Do you provide Windows Virtual Machines?
Pukki
- Export data and backup
Rahti
- Rahti FAQ – common tasks and UI usage
- Do you offer in Rahti SSL certificates?
- Does Rahti support UDP connections?
- Export data and images
- How to add docker hub credentials to a project
- How to automatically scale up and down replicas
- How to open a terminal to a Pod?
- How to package a Kubernetes application with Helm
- How to run an ad-hoc interactive container
- How to transfer data to Rahti?
- Protecting against DDoS Attacks
- Why my SSH key does not work in Rahti?
- Why Rahti cannot find this docker image?
- Why this container report permission denied errors?
Applications
- How to install my own software on CSC supercomputers?
- An application CSC used to provide has disappeared. Where did it go?
Sensitive Data Services for research
Access and authentication
- Are CSC Sensitive Data services accessible through the public internet?
- How I can start using CSC Sensitive Data services?
- Does CSC provide Multi-Factor Authentication (MFA)?
Collaborative projects
General characteristics of the services
- Are CSC Sensitive Data services suitable for any research professional?
- Are CSC Sensitive Data services suitable for any research project?
- I am not an expert on cloud services and computing, where should I start?
- What type of data can I process using the services?
- Do you provide a backup service?
- Are CSC Sensitive Data service free of charge?
- Do I need any particular expertise to set up a private workspace with SD Connect and SD Desktop?
- How long does it take to set up a private workspace with SD Connect and SD Desktop?
Encryption
- Why do I need to encrypt my data?
- Do sensitive data always need to be encrypted during data transfer e.g. using an SSH connection?
- What data formats can be encrypted using SD Connect?
- What is the new extension that was added to my files after upload with SD Connect?
- Do CSC Sensitive Data services allow the use of customers' own encryption keys?
Sensitive Data and GDPR
- What type of data is sensitive?
- What is personal data?
- What is the difference between sensitive personal data and personal data?
- What is the GDPR?
- What are the roles of CSC and its service users under GDPR?
- I am not sure if the data I am working with is sensitive or not. Where can I find support?
- What type of sensitive data can I process with CSC Sensitive Data Services?
- What kind of documentation do I need to provide to use CSC Sensitive Data Services?
SD Connect
- What are the technical specifications of the service?
- How long can I store data in SD Connect for?
- What is the difference between SD Connect and Allas?
- Can I use SD connect from command line?
SD Desktop
- Can I access/analyse encrypted data stored in SD Connect using SD Desktop?
- Can I edit/annotate data using SD Desktop?
- Does CSC provide SD Desktop operating system, software, and security updates?
- What are the technical specifications of the service?
- What type of file can I analyze using SD Desktop?
- What software is available on SD Desktop?
- Who can access my private computing environment in SD Desktop?
- What is the difference between SD Desktop and ePouta?
- Can I have root or sudo access to a virtual machine running in SD Desktop?
- Why do I see the word guacamole in the URL next to sd-desktop.CSC.fi?
SD Desktop for secondary use of health and social data (register data)
- What is SD Desktop for secondary use?
- How does processing secondary use data on SD Desktop differ from standard use of Sensitive Data services?
- How can I access register data with SD Desktop?
- Can I combine my own data with register data on SD Desktop?
- Is it possible to install software to SD Desktop when processing secondary use data?
- How can I export my results from the Desktop?
- What will happen to my data after the secondary use data permit expires?