Category Archives: How Tos

HOW TO detect STDIN with Python

Posted on July 25, 2011 by admin

In Python, as with most languages, STDIN is treated like a file. You can read from it any time, but knowing what kind of file it is lets us know if someone passed us something via STDIN or if we … Continue reading →

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HowTo Use an HTTP Proxy With Git

Posted on April 29, 2011 by admin

git should use the environment variable $http_proxy so set that and you should be ok. If you don’t want to use the environment, set it statically like this: $ git config –global http.proxy http://proxy.example.com:8080 $ git config –get http.proxy http://proxy.example.com:8080

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Linux HOWTO Enable Miltucast Ping (ICMP) Replies (Echo)

Posted on April 21, 2011 by admin

The 2.6 Linux kernel does not respond to multicast ICMP Echo requests by default. This is a setting in /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts Test it: # cat /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts 1 # Set it to 0 for ping replies: # echo “0” > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts # … Continue reading →

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