BOINC command line switches

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When you start BOINC from the command line, you can give it the following switches as extra commands. Multiple commands in a row are possible.

--abort_jobs_on_exit
When the client exits, abort and report jobs.
--allow_remote_gui_rpc
Allow remote GUI RPC connections.
--allow_multiple_clients
Allow more than one instance of the client to run per host.
--attach_project <URL> <key>
Attach to a project using the project URL and the strong account key. This requires you have an account on the project already.
E.g. Boinc --attach_project http://setiathome.berkeley.edu 1234567890abcdef1234567890abcdef
--check_all_logins
For idle detection, check remote logins too.
--daemon
Run as daemon (Unix). When installed as a service on Windows, starting Boinc will automatically start the service. It won't on Unix.
--detach
Detach from console (Windows). This closes the command line window that otherwise stays open when you start Boinc.
--detach_project <URL>
Detach from a project.
--dir <path>
Use given directory path as BOINC home directory.
--exit_after_app_start N
Exit N seconds after an application starts.
--exit_after_finish
Exit right after finishing a job.
--exit_before_start
Exit right before starting a job.
--exit_before_upload
Exit right before starting an upload.
--exit_when_idle
Exit when there are no tasks.
--fetch_minimal_work
Get only one task per CPU core or GPU.
--file_xfer_giveup_period N
Give up on file xfers after N sec.
--get_daily_xfer_history
Show network traffic history.
--gui_rpc_port <port>
Port for GUI RPCs. Default port is 31416.
--help
Show command line switch options.
--launched_by_manager
Client was launched by Manager.
--master_fetch_interval N
Limiting or increasing period of master retry.
--master_fetch_period N
Reload master URL after N RPC failures.
--master_fetch_retry_cap N
Exponential backoff limit.
--no_gui_rpc
Don't allow GUI RPC, don't make socket.
--no_gpus
Don't check for GPUs.
--no_info_fetch
Suppresses the fetch of project list and of current client version #. Use when running on grid nodes. (New in 6.11.8)
--no_priority_change
Run apps at same priority as client.
--pers_giveup N
Giveup time for persistent file xfer.
--pers_retry_delay_max N
Max for file xfer exponential backoff.
--pers_retry_delay_min N
Min for file xfer exponential backoff
--redirectio
Redirect stdout and stderr to log files. Else they'll output to the command window.
--reset_project <URL>
Reset (clear) a project.
--retry_cap N
Exponential backoff limit.
--run_cpu_benchmarks
Run the CPU benchmarks.
--run_by_updater
Set by updater.
--saver
Client was launched by screensaver.
--sched_retry_delay_max N
Max for RPC exponential backoff.
--sched_retry_delay_min N
Min for RPC exponential backoff.
--show_projects
Show attached projects.
--skip_cpu_benchmarks
Don't run CPU benchmarks.
--start_delay X
Delay starting apps for X secs.
--unsigned_apps_ok
Allow unsigned apps (for testing).
--update_prefs <URL>
Contact a project to update preferences.
--version
show version info.
Original writer Original FAQ Date
Jorden 502 20-11-2009