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Pivotal Cloud Foundry Developer Certification - Logging, Scaling and High Availability

 How do you access application logs? cf logs APP_NAME cf start APP_NAME To see the logs of particular pcf sub system. cf logs APP_NAME | grep "API\|CELL" To exclude particular logs cf logs APP_NAME | grep -v "API\|CELL" To see application events i.e. start, stop, crash etc... cf events APP_NAME To display all the lines in the Loggregator buffer cf logs APP_NAME --recent  What are the components of the Loggregator system? Loggregator is the next generation system for aggregating and streaming logs and metrics from all of the user apps and system components in a Cloud Foundry deployment. Primary use: 1. Tail/dump logs using CLI.  2. Stream to 3rd party log archive and analysis service 3. Operators and admins can access Loggregator Firehouse, the combined stream from all the apps and metrics data. 4. Operators can deploy nozzle to the firehouse.  A nozzle is a component that monitors the Firehose for specified events and metrics,

Kumaoni Song/Poem - Uttarakhand meri matrebhoomi

O Bhumi Teri Jai Jaikaara Myar Himaala O Bhumi Teri Jai Jaikaara Myar Himaala Khwar main koot tyaro hyu jhalako-2 Chhalaki kaali Gangai ki dhaara myara Himaala Himaala kaali Gangai ki dhaara myar Himaala Uttarakhand meri matrebhoomi Matrabhoomi ya meri pitrabhoomi O Bhoomi teri jai jai kaara myar Himaala Himaala teri jai jai kaara myar Himaala Tali tali taraai kuni-2 O kuni mali mali bhabara myar Himaala Himaala Mali mali bhabara myar Himaala Badari Kedara ka dwar chhana-2 Myara kankhal Hariwara myar Himaala Himaala kankhal Haridwara myar Himaala Kaali Dhauli ka bali chhali jaani-2 Bata naan thula kailasha myar himaala  Ho Bata naan thula kailasha myar Himaala Parvati ko myaro mait yen chha-2 Ho yen chha Shivjyu ko saurasa myar Himaala Himaala Shiv jyu ko saurasa myar Himaala Dhan mayedi mero yo janama-2 Himaala teri kokhi mahana myar Himaala Himaala teri kokhi mahana myar Himaala Mari jula to tari julo-2 O eju ail tyara baana myar Himaala-2 Himaala ail tyara