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http://www.dev-explorer.com/articles/python-with-curses
Date Published: 18/05/2009 14:39 In general I spend quite a lot of time building python applications and scripts for home and office use. These vary from scripts at home for cleaning up my music library to decent sized applications implementing business logic. One thing that can be quite difficult when carrying out these tasks is interacting with the code I am writing without building a fully fledged interface. When programming this way I use the python curses library to allow me to build a quick temporary command line interface to use and test my application/script. When I first started using curses I found it difficult understand how it worked.
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Anyone who administers even a moderately sized network knows that when problems arise, diagnosing and fixing them can be extremely difficult. They're usually non-deterministic and difficult to reproduce, and very similar symptoms (e.g. a slow or unreliable connection) can be caused by any number of problems — congestion, a broken router, a bad physical link, etc. One very useful weapon in a system administrator's arsenal for dealing with network issues is traceroute (or tracert , if you use Windows). This is a neat little program that will print out the path that packets take to get from the local machine to a destination — that is, the sequence of routers that the packets go through.
Learning by doing: Writing your own traceroute in 8 easy steps - System administration and software blog
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Revised by: ajl Clarified full snapshot conditions in Section 3.8 and Section 13.4.1 and added a note about resizing the origin of a snapshot; Fixed Rackable copyright; Fixed e-mail address Removed references to xfs_freeze - it is no longer needed; Updated snapshots subsection in Anatomy of LVM section; Added a couple entries to the LVM2 FAQ; Fixed a couple typos Added reference to lvm2_createinitrd in source tree; Adjusted lvcreate example slightly; Added 'vgchange -ay' in 'Moving a volume group to another system' recipe
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