#Openssh config file Patch
Initially such an approach was not possible with the SSH client configuration in OpenSSH but there was a bug reported even including a patch quite some years ago. sudo with the directory /etc/sudoers.d/.
#Openssh config file software
Recently it became more and more common to write software in a way that configuration is not read as a single file, but that all files from a certain directory are read in. The underneath problem of managing more complex software configurations in single files is not unique to OpenSSH, but more or less common across many software stacks which are configured in text files. After all, it is not uncommon to use your more-or-less private Github account for your company work so that you have mixed entries in your. All attempts are either clumsy or error prone.Īnother use case is where parts of the SSH configuration is managed by configuration management systems or by software packages for example by a company – again that requires changes to a single file and might alter or remove existing configuration for your others services and servers. ssh/config like "# AZURE-SSH-CONFIG BEGIN #". ssh/aws-config, or they require to mark sections in the. There are scripts out there, but they either just overwrite existing configuration, or do entirely work on an extra file which is referenced in each SSH client call with ssh -F. While this is very handy and helps a lot to maintain sanity even with very different and strange SSH configurations, a single huge file is hard to manage.Ĭloud environments for example change constantly, so it makes sense to update/rebuild the configuration regularly. Since such a configuration is directly read by the SSH client other tools wich are using the SSH client in the background – like Ansible – can benefit from the configuration as well.Ī typical configuration of such a config file can look like this: It also provides the possibility to define aliases for host names to avoid the necessity to type in the FQDN each time. This comes in especially handy when multiple remote servers require different parameters: varying ports, other user names, different SSH keys, and so on. One feature of the OpenSSH client is to configure often used parameters for SSH connections in a central config file, ~/.ssh/config. SSH is the default way to access servers remotely – Linux and other UNIX systems, and since recently Windows as well. But newer versions support includes to read configuration from multiple places.
Until recently the configuration was done in one single file which could be problematic. A SSH client configuration makes accessing servers much easier and more convenient.
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