We maintain all of our server's /etc directories in subversion repositories and just disabled password logins on our subversion server. So that means you actually need ssh-agent to work when using sudo. This can be done by editting the /etc/sudoers file and adding the following line: Defaults env_keep="SSH_AUTH_SOCK" [...]

Sometimes you will need to access a service on a client's machine from an untrusted network, but you don't want to expose this client's SSH server to untrusted IP's. If this is the case you can use a trusted machine (a so called jumpbox) as an intermediate to connect to the client's box. For example, to connect the user test (user available on both jumpbox ... [...]

To store our documents, invoices, etc. we needed a good ol' file server connected to our network, or rather, a network attached storage (NAS). We want it to be cheap, fast, have lots of storage and accessible under Windows and MacOSX. Now we got a cool looking file server meeting all these demands and for backup we rotate mobile USB harddisks. [...]