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bashstdoutstderrnohupsysdig

writing sysdig output to a file

I want to check my users commands on my server for a period of time so I use sysdig command with nohup. I want to write output to a file like so:

# nohup sysdig -c spy_users 1>>/path/to/true 2>>/path/to/false &

But result is not written to file realtime. Any idea?

Solution

  • Probably it is being buffered. Try to set the buffering to line-buffer or deactivete it completely:

    nohup stdbuf -oL -eL sysdig -c spy_users 1>>/path/to/true 2>>/path/to/false &