os.popen uses the shell by default, and unlike subprocess.Popen, has no way of disabling it. Problems can occur when the program you are trying to run does not exist or is unable to be ran due to a permissions issue.
Consider the following example function:
def logged_in_users():
users ...One of the first steps in groking ipv6 is getting a handle on ipv6 addresses.
The 'dotted quad' notation for ipv4 is fairly simple, and other than possible zero padding issues, they all look the same. ipv6 addresses are a bit different. Rather than a dotted quad they are 8 ...
read moreA few days ago I installed Debian/kFreeBSD on my home server. It had been running opensolaris for years, but doing just about anything on that system was a complete pain in the ass. I had been meaning to give Debian/kFreeBSD a try, but had been putting it off ...
read moreMy 'z' key has been (physically) broken for a while now. Generally this isn't a problem because there aren't that many places where I need to type a 'z' that I can't autocomplete it. Between tab completion in the shell, and the irssi dictcomplete plugin, it hasn ...
read moreThe Xen documentation on live migration states:
read moreCurrently, there is no support for providing automatic remote access to filesystems stored on local disk when a domain is migrated. Administrators should choose an appropriate storage solution (i.e. SAN, NAS, etc.) to ensure that domain filesystems are also available ...
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