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Intro

This script concat all csv file (by default order) in one csv file result.csv only with first and second columns. Additional behaviour : skip 8 first lines (header) and 5 last lines (footer)

Requirements

brew install coreutils

Tips

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Google cloud - Manage ip instance with gcloud

Before you begin

Install & config

1. Install the gcloud command-line tool.
2. Set a default region and zone.

List items

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Manage tags with SQL wordpress

List tags

SELECT name, slug, description, COUNT FROM wpbandc_terms
NATURAL JOIN wpbandc_term_taxonomy
WHERE taxonomy="post_tag"
ORDER BY name;

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Script de kéké

Comment ne pas deployer en production quand on ne veux pas déployer en production

Resultat

1. Allez dans le menu préférence de iTerm

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[ruby] How to round float number when it's a whole number

# with non-integer result
>> half_days = 3
=> 3
>> days = half_days / 2.0
=> 1.5
>> format('%g', days)

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How to used log rotation system ?

Logrotate is crontab script who execute every day.

You can look into thos directory for view any exemples : /etc/logrotate.d/

$ sudo ls -la /etc/logrotate.d/

drwxr-xr-x   2 root root 4096 Oct 25 15:50 .

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Display top 10 of process using memory (linux)

$ ps -ewo user,pid,\%cpu,\%mem,cmd:50,comm --sort=-pmem | head -10

Watch it

$ watch -n 1 'ps -ewo user,pid,\%cpu,\%mem,cmd:50,comm --sort=-pmem | head -10'

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How to debug a failed travis.ci build

1/ Go to travais build

https://travis-ci.com/gitUser/gitRepo/builds/XXXXXX

2/ Connect to travis build with ssh

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/etc/init.d/stackdriver-extractor status
/etc/init.d/stackdriver-extractor start
/etc/init.d/stackdriver-extractor stop

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Enable site

sudo a2ensite SITECONFIG.FILE

Disable site

sudo a2dissite SITECONFIG.FILE

Reload apache

sudo service apache2 reload