Emails can be processed as they are received in procmail-like fashion or read from an existing inbox. It allows each administrator to manage their individual subscriptions with the ability to match full regular expressions against any email field, providing fine-grained filtering. This software is NASA open source.įiltering and Reorganization of Excessive Email Emanation (FreeMe)įreeMe reduces admin email clutter during large-scale outages within HPC environments while highlighting messages of interest. Output associated with the local and remote files is then multiplexed together into the standard unified format associated with the original command to present all files as if they were local. Remote files are processed transparently using a persistent SSH connection to the associated host(s). These internal versions determine if files on the command line are local or remote. ![]() Instead, BASSHFS uses the aliasing and function mechanisms of the bash shell to intercept supported program invocations and remap those to its own versions. This tool is similar SSHFS except it does not require FUSE kernel support. This software is NASA open source.īallast details and download links Bash-Accessible SSH File System (BASSHFS)īASSHFS allows users to perform simple tasks on remote file systems as if they were locally mounted. ![]() Ballast includes a simple client, a lightweight data server, and a data collection agent. This gives ballast the unique ability to perform user-specific load balancing, which has several benefits including separating users who have historically generated high loads and providing a common login interface to users who may be separated based on other criteria such as system accessibility. Ballast is invoked as part of the SSH login process, hence has access to the user name, which is not available in traditional load balancers. The following NAS-developed software tools can be downloaded for use on your own system.īallast is a tool for balancing user load across SSH servers based on configurable criteria such as CPU load and system availability. This work includes software for scientific visualization, supercomputer benchmarking, computational fluid dynamics, and simulation grid processing. ![]() NAS experts develop and adapt software programs to complement and enhance the work performed on our supercomputers.
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