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import click

@click.command()
def cli():
	"""Example script."""
	click.echo('Hello World!')

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Programs

firewall-cmd

firewalld command line client

View firewall state

firewall-cmd --state

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Editor

Command	Description
Control + A	Jump to beginning of line
Control + E	Jump to end of line
Control + U	Delete text before cursor
Control + K	Delete text after cursor
Control + W	Delete word before cursor
Control + T	Swap last two characters before cursor

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Files

Find file

find . -name foobar.txt

-name FooBar — Filter by file name (case sensitive)

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Apache

TXT /etc/httpd/conf/httpd.conf — Main Apache server configuration file.

TXT /etc/httpd/conf.d/ssl.conf — Apache server configuration file providing SSL support.

DIR /etc/httpd/vhosts.d/ — Virtual host configuration files.

DIR /var/log/httpd/ — Apache logs.

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#	$OpenBSD: sshd_config,v 1.80 2008/07/02 02:24:18 djm Exp $

# This is the sshd server system-wide configuration file.  See
# sshd_config(5) for more information.

# This sshd was compiled with PATH=/usr/local/bin:/bin:/usr/bin

# The strategy used for options in the default sshd_config shipped with
# OpenSSH is to specify options with their default value where
# possible, but leave them commented.  Uncommented options change a

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#
# This is the main Apache server configuration file.  It contains the
# configuration directives that give the server its instructions.
# See <URL:http://httpd.apache.org/docs/2.2/> for detailed information.
# In particular, see
# <URL:http://httpd.apache.org/docs/2.2/mod/directives.html>
# for a discussion of each configuration directive.
#
#
# Do NOT simply read the instructions in here without understanding

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Core

• CentOS
• Nginx
• MySQL
• PHP

Repositories

• Atomic

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HTML Style Guide

All rules and guidelines in this document apply to HTML files.

The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.

Icon Legend:

· Space, ⇥ Tab, ↵ Enter/Return

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# BEGIN WordPress
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /

    # Prevent requests to index.php from being rewritten
    RewriteRule ^index\.php$ - [L]

    # Prefix specified PHP files with 'wordpress'
    RewriteRule ^((wp-login|xmlrpc)\.php) wordpress/$1 [R=301,L]