6 merge requests!368Update prace.md to document the change from qprace to qprod as the default...,!367Update prace.md to document the change from qprace to qprod as the default...,!366Update prace.md to document the change from qprace to qprod as the default...,!323extended-acls-storage-section,!196Master,!180Singularity
The interactive shell can be invoked by the **shell** command. This is useful for development purposes. To make changes inside the container permanent use **-w | --writable** option.
The interactive shell can be invoked by the `singularity shell` command. This is useful for development purposes. To make changes inside the container permanent use `-w | --writable` option.
```console
hra0031@login4:~$singularity shell -w ubuntu.img
...
...
@@ -76,7 +76,7 @@ DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
```
To execute command inside container (without interactive shell) use **exec** command.
To execute command inside container (without interactive shell) use `singularity exec` command.
Singularity image can contain a runscript. This script is executed inside container after the **run** command is used. The runscript is mostly used to run an application for which is the container build, in the following example it is **fortune | cowsay** command.
Singularity image can contain a runscript. This script is executed inside container after the `singularity run` command is used. The runscript is mostly used to run an application for which is the container build, in the following example it is **fortune | cowsay** command.
```
hra0031@login4:~$ singularity run ubuntu.img
...
...
@@ -102,7 +102,7 @@ hra0031@login4:~$ singularity run ubuntu.img
## Accessing /HOME and /SCRATCH Within Container
By default, user home directory is mounted inside the container, therefore you can access your files directly. If you need access to **/SCRATCH** storage for your computation, this must by mounted be **-B | --bind** option.
By default, user home directory is mounted inside the container, therefore you can access your files directly. If you need access to **/SCRATCH** storage for your computation, this must be mounted by `-B | --bind` option.
!!!Warning
Be aware, that the mounted folder has to exist inside the container or the container image has to be writable!
