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Sometime while we build docker images or do any docker operation we might encounter thinpool space issue. like this: devmapper: Thin Pool has 132480 free data blocks which is less than minimum required 163840 free data blocks. Create more free … Continue reading
In chef, when a nested attribute that might not exist/or not crated yet, you can use rescue as a modifier to an if statement. For example, assuming that only some of your nodes have node[‘install_wls’][‘isManaged’]defined: if node[‘install_wls’][‘isManaged’] do the stuff … Continue reading
Some time we have to read one existing json property file and update some values inplace. If we don’t use proper approach, the update may lead to breaking the json structure in the file. We have to hook the json … Continue reading
Python has a built in module to send mail to recipient[s] as to,cc,bcc. Here assumption is that : the smtp is configured in localhost (where the script will run).