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Diffstat (limited to 'vimwiki/Login For Administration.md')
| -rw-r--r-- | vimwiki/Login For Administration.md | 13 |
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diff --git a/vimwiki/Login For Administration.md b/vimwiki/Login For Administration.md new file mode 100644 index 0000000..61f9261 --- /dev/null +++ b/vimwiki/Login For Administration.md @@ -0,0 +1,13 @@ +All cluster admin starts with the main head node, which normal users do not have access to. +To log in directly from outside the cluster ssh to `stri-cluster.herts.ac.uk`. +If already logged in to another cluster machine, you can ssh to `head.data`. + +Once logged in to this machine (which calls itself `‘uhhpc’`) you may use `sudo` to carry out sysadmin tasks. +This has the advantage that it doesn’t leave you sitting at a root prompt. + +Sudo will prompt you for your own password. You do not need to know the root password to use sudo. + +You may of course use this to get a root prompt on another machine by doing e.g. `sudo ssh node001`. +Sudo is not set up on other machines. However, please use sudo if possible on `uhhpc` rather than a root prompt. + + |