# HowTo

**URL:** https://cms-helpdesk.ncas.ac.uk/c/howto/8.md

[Latest](https://cms-helpdesk.ncas.ac.uk/latest.md) · [Categories](https://cms-helpdesk.ncas.ac.uk/categories.md) · [Tags](https://cms-helpdesk.ncas.ac.uk/tags.md)

---

## [About the HowTo category](https://cms-helpdesk.ncas.ac.uk/t/about-the-howto-category/22)

<div class="topic-metadata">

**Author:** [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Replies:** 0

</div>

Tutorial topics describing how to do common tasks…

---

## [Restarting after puma2 reboot](https://cms-helpdesk.ncas.ac.uk/t/restarting-after-puma2-reboot/2072)

<div class="topic-metadata">

**Author:** [@AnnetteOsprey](https://cms-helpdesk.ncas.ac.uk/u/AnnetteOsprey)\
**Replies:** 0\
**Last updated:** [30 April 2026 12:45 UTC](https://cms-helpdesk.ncas.ac.uk/t/restarting-after-puma2-reboot/2072 "2026-04-30T12:45:14Z")

</div>

Puma2 was rebooted today, Thurs 30 April 2026 at 13:20, to apply an urgent security fix. The system is now back up and running. If you were running any Rose/Cylc suites, you will need to do the following: Set up your s…

---

## [UKCA input data with diurnal cycle?](https://cms-helpdesk.ncas.ac.uk/t/ukca-input-data-with-diurnal-cycle/1755)

<div class="topic-metadata">

**Author:** [@MYoshioka](https://cms-helpdesk.ncas.ac.uk/u/MYoshioka)\
**Replies:** 1\
**Last updated:** [22 July 2025 16:12 UTC](https://cms-helpdesk.ncas.ac.uk/t/ukca-input-data-with-diurnal-cycle/1755 "2025-07-22T16:12:05Z")

</div>

I’m not sure if this is a kind of request made here. Please suggest me if there is a better place to ask this I’m trying to create emission data for UKCA inputs based on the aviation data with two time dimensions – 12 m…

---

## [Monsoon2: How to specify /projects output directory for a suite](https://cms-helpdesk.ncas.ac.uk/t/monsoon2-how-to-specify-projects-output-directory-for-a-suite/112)

<div class="topic-metadata">

**Author:** [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Replies:** 0\
**Last updated:** [1 July 2021 15:18 UTC](https://cms-helpdesk.ncas.ac.uk/t/monsoon2-how-to-specify-projects-output-directory-for-a-suite/112 "2021-07-01T15:18:39Z")

</div>

If you are a member of multiple projects on Monsoon2 you can specify which /projects directory your Rose/Cylc suite writes to by adding the following to the top of the rose-suite.conf file. root-dir=\*=/projects/\<project…

---

## [FCM checkout on ARCHER2](https://cms-helpdesk.ncas.ac.uk/t/fcm-checkout-on-archer2/89)

<div class="topic-metadata">

**Author:** [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Replies:** 0\
**Last updated:** [25 June 2021 15:46 UTC](https://cms-helpdesk.ncas.ac.uk/t/fcm-checkout-on-archer2/89 "2021-06-25T15:46:16Z")

</div>

In order to use fcm co on ARCHER2 you need to add the following to your ~/.bash\_profile to pick up some additional perl modules required by FCM: export PERL5LIB=/work/y07/shared/umshared/perl5/lib/perl5/x86\_64-linux-thr…

---

## [Could not open a connection to your authentication agent](https://cms-helpdesk.ncas.ac.uk/t/could-not-open-a-connection-to-your-authentication-agent/28)

<div class="topic-metadata">

**Author:** [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Replies:** 0\
**Last updated:** [20 April 2021 15:45 UTC](https://cms-helpdesk.ncas.ac.uk/t/could-not-open-a-connection-to-your-authentication-agent/28 "2021-04-20T15:45:54Z")

</div>

If ssh-add gives the error message: Could not open a connection to your authentication agent, this is because your ssh-agent has stopped running for some reason and is unable to restart automatically. Try removing the ss…

---

## [How to restart your ssh-agent](https://cms-helpdesk.ncas.ac.uk/t/how-to-restart-your-ssh-agent/24)

<div class="topic-metadata">

**Author:** [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Replies:** 0\
**Last updated:** [20 April 2021 15:27 UTC](https://cms-helpdesk.ncas.ac.uk/t/how-to-restart-your-ssh-agent/24 "2021-04-20T15:27:24Z")

</div>

Normally your ssh agent persists even when you log out of PUMA. However, from time to time it can vanish. If you are prompted for your passphrase, this means the ssh-agent has stopped for some reason. The agent should h…
