An interactive debugger which allows you to interact via the python shell at specific places within your code. The two important parts are import pdb --> Use the pdb library pdb.set_trace() --> Use this in each part of the code where you want to invoke the…
Select the block Ctrl-V for Visual Block mode This will allow you to work with columns and rows. For example, you can insert new characters to the beginning of a set of new lines (think adding indentation, comment # symbols, etc) } for paragraph (or G to end of file, etc) Insert…
Create a new Virtualenv virtualenv {name_of_virtualenv} Interactively load the virtualenv source ./{name_of_virtualenv}/bin/activate Work in the virtualenv cd ~/{name_of_virtualenv} git clone {repo} pip install -r ./{repo}/requirements.txt ./{repo}/{some_thing}.py Or, to run a python script within a virtualenv once (e.…
I encountered this on CentOS 7.2 Overview A server had a bad entry in /etc/fstab. This wasn't critical for the operation of the Linux OS (i.e. it wasn't / , /var etc), just a data filesystem. In this case, LVM hadn't quite been…
When using Cobbler as Puppet's External Node Classifier, the Kictstart Metadata parameters configured in Cobbler override those derived from Puppet (e.g. using facts). Cobbler Metadata example [root@cobblerserver ~]# cobbler distro report --name=centos7.4-x86_64 | grep Metadata Kickstart Metadata : {'operatingsystemrelease': '7.2.1511'…