minor fix

docs/quickStartCentOS7.md

@@ -2,7 +2,7 @@
 
 ### 1.准备一台虚机(推荐内存3G，硬盘20G以上)，最小化安装最新 CentOS7，配置基础网络、更新源、SSH登陆等。
 
-+ 关闭selinux: `echo SELINUX=disabled > /etc/selinux/config` 
++ 关闭selinux: `setenforce 0 && echo SELINUX=disabled > /etc/selinux/config` 
 
 ### 2.安装python2/git/python-pip/ansible
 ``` bash

roles/docker/tasks/main.yml

@@ -30,12 +30,12 @@
   shell: systemctl daemon-reload && systemctl enable docker && systemctl restart docker
 
 ## 可选 ------安装docker查询镜像 tag的小工具----
-- name: 安装轻量JSON处理程序
+- name: apt安装轻量JSON处理程序
   apt: name=jq state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
   tags: docker-tag
 
-- name: 安装轻量JSON处理程序
+- name: yum安装轻量JSON处理程序
   yum: name=jq state=latest
   when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
   tags: docker-tag

roles/lb/tasks/main.yml

@@ -3,11 +3,11 @@
   apt: update_cache=yes cache_valid_time=72000
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: 安装 haproxy using apt
+- name: apt安装 haproxy using apt
   apt: name=haproxy state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: 安装 haproxy using yum
+- name: yum安装 haproxy using yum
   yum: name=haproxy state=latest
   when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
 
@@ -17,11 +17,11 @@
 - name: 配置 haproxy
   template: src=haproxy.cfg.j2 dest=/etc/haproxy/haproxy.cfg
 
-- name: 安装 keepalived using apt
+- name: apt安装 keepalived using apt
   apt: name=keepalived state=latest
   when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version == "16"
 
-- name: 安装 keepalived using yum
+- name: yum安装 keepalived using yum
   yum: name=keepalived state=latest
   when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"