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# show all active connections
netstat -napt

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insecure content fixer
https://it.wordpress.org/plugins/ssl-insecure-content-fixer/

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LDAP authentication with Devise

• If LDAP authentication is by username (not email), add to Devise the possibility to login with username:

  https://github.com/plataformatec/devise/wiki/How-To:-Allow-users-to-sign-in-using-their-username-or-email-address https://github.com/plataformatec/devise/wiki/How-To:-Allow-users-to-sign_in-using-their-username-or-email-address https://github.com/plataformatec/devise/wiki/How-To:-Allow-users-to-sign-in-with-something-other-than-their-email-address

• Add to Gemfile the gem net-ldap:

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UPDATE for rails 3.2.12:

    db:create creates the database for the current env
    db:create:all creates the databases for all envs
    db:drop drops the database for the current env
    db:drop:all drops the databases for all envs
    db:migrate runs migrations for the current env that have not run yet
    db:migrate:up runs one specific migration
    db:migrate:down rolls back one specific migration
    db:migrate:status shows current migration status

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<? header("location: http://www.my_site.ext"); ?> 

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#Heading 1
##Heading 2
###Heading 3
####Heading 4
#####Heading 5
######Heading 6	

---

Paragraph

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Linux list all users command
$ cat /etc/passwd

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Show processes:

ps -afx

Killing a process:

kill -INT prcess_id

Viewing active connections:

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How to remove all .svn directories from an application folder

Linux

find . -name .svn -exec rm -rf '{}' \;

Before running a command like that, I often like to run this first:

find . -name .svn -exec ls '{}' \;

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YUM commands

List installed packages:

yum list installed

Search a package:

yum search xxx