Can a Python Fabric task invoke other tasks and respect their hosts lists?

Since Fabric 1.3, the execute helper is now available to do just this. The documentation is available here: Intelligently executing tasks with execute. Here is the example they use: from fabric.api import run, roles, execute env.roledefs = { ‘db’: [‘db1’, ‘db2’], ‘web’: [‘web1’, ‘web2’, ‘web3’], } @roles(‘db’) def migrate(): # Database stuff here. pass @roles(‘web’) … Read more

Get output from a Paramiko SSH exec_command continuously

A minimal and complete working example of how to use this answer (tested in Python 3.6.1) # run.py from paramiko import SSHClient ssh = SSHClient() ssh.load_system_host_keys() ssh.connect(‘…’) print(‘started…’) stdin, stdout, stderr = ssh.exec_command(‘python -m example’, get_pty=True) for line in iter(stdout.readline, “”): print(line, end=””) print(‘finished.’) and # example.py, at the server import time for x in … Read more

I get “fatal: unable to create threaded lstat” error when I run “git status” command

If the resource limit can’t be removed by the hosting provider, you could consider using git config to disable preloading of the index (threaded lstat). git config core.preloadIndex false If you need that setting when cloning the initial repository, then you will need to set it globally. git config –global core.preloadIndex false

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