11.6-11.9 MariaDB安装，Apache安装
11.6 Maria DB 安装#cd /usr/local/src 下载mariadb 10.2.6 64位
#wget https://mirrors.tuna.tsinghua.edu.cn/mariadb//mariadb-10.2.14/bintar-linux-glibc_214-x86_64/mariadb-10.2.14-linux-glibc_214-x86_64.tar.gz 解压包
#tar zxvf mariadb-10.2.6-linux-glibc_214-x86_64.tar.gz 把解压了的目录移动并命名/usr/local/mariadb，因为要和mysql的目录区分。
mv mariadb-10.2.6-linux-glibc_214-x86_64 /usr/local/mariadb 检查以上输出结果
#echo $?
0
进入/usr/local/mariadb，并稍后进行初始化
初始化命令，指定user（user都是mysql）以及datadir（datadir指定了的/data/mariadb会自动生成）
#cd /usr/local/mariadb
# ./scripts/mysql_install_db --user=mysql--datadir=/data/mariadb
# ls /data/mariadb/
aria_log.00000001ib_buffer_poolib_logfile0mysql test
aria_log_control ibdata1 ib_logfile1performance_schema
cp配置文件
cp support-files/my-small.cnf /usr/local/mariadb/my.cnf 修改和定义mysqld的basedir和datadir 这里一般保持默认即可
#
vim /usr/local/mariadb/my.cnf
cp启动脚本定义basedir和datadir
#
cp support-files/mysql.server /etc/init.d/mariadb
vim /etc/init.d/mariadb #定义basedir、datadir、conf以及启动参数
启动之前，先检查一下mysqld的进程有没有在开启，因为mysqld跟mariadb监听的端口是一样的，同时启动会发生冲突
# ps aux |grep mysqld
root 49350.00.0 112676 984 pts/0 S+ 17:26 0:00 grep --color=auto mysqld
mysqld无启动，开启mariadb
/etc/init.d/mariadb start
# /etc/init.d/mariadb start
Reloading systemd: [确定]
Starting mariadb (via systemctl): [确定]
# echo $?
0
检查进程及监听端口的状态,进程之所以显示mysqld是因为mariadb是mysqld的分支，所以很多名字进程有相关mysqld的字眼， 但最终看mariadb的关键信息。
mysqld与mariadb的配置和用法大致都是一样的
11.7-11.9 安装Apache
Apache是一个基金会的名字，httpd才是我们要安装的软件包，早期它的名字就叫apache
Apache官网www.apache.org
分别下载 apr-1.6.3 apr-util 1.6.1 httpd-2.4.33
wgethttp://mirrors.cnnic.cn/apache/apr/apr-1.6.3.tar.gz
wgethttp://mirrors.cnnic.cn/apache/apr/apr-util-1.6.1.tar.bz2
wget http://mirrors.cnnic.cn/apache/httpd/httpd-2.4.33.tar.gz
apr和apr-util是一个通用的函数库，它让httpd可以不关心底层的操作系统平台，可很方便地移植（从linux移植到windows）
它是靠函数来运行，无论系统平台是什么都不会影响。
分别解压apr-1.6.3 apr-util 1.6.1 httpd-2.4.33
tar zxvf httpd-2.4.33.tar.gz
tar jxvf apr-util-1.6.1.tar.bz2
ar zxvf apr-1.6.3.tar.gz
首先安装apr
cd /usr/local/src/apr-1.6.3.tar.gz
./configure --prefix=/usr/local/apr
检查是否成功
echo $?
0
make && make install 检查是否成功
echo $?
0
然后安装apr-util 1.6.1
cd /usr/local/src/apr-util-1.6.1 apr-util要依赖apr的路径
./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
make && make install
发现错误
解决方法：
缺少expat.h文件，yum安装：#yum install -y expat-devel；安装完成后，重新执行上面的命令！
安装httpd-2.4
#cd /usr/local/src/httpd-2.4.33 安装参数
./configure --prefix=/usr/local/apache2.4 --with-apr=/usr/local/apr --with-apr-util=/usr/lcal/apr-util --enable-so --enable-mods-shared=most ./configure \ //这里的反斜杠是脱义字符，加上它我们可以把一行命令写成多行
--prefix=/usr/local/apache2.4 \
--with-apr=/usr/local/apr \
--with-apr-util=/usr/local/apr-util \
--enable-so \支持动态扩展模块,apache php都支持以一个模块存在。
--enable-mods-shared=most 支持大部分模块
安装期间，出现报错信息，大致内容就是缺了某个包。
利用#yum list 去追踪导致错误信息的包
yum list
configure: error: pcre-config for libpcre not found. PCRE is required and available from http://pcre.org/
再次编译，继续出错，继续排查安装包
./configure --prefix=/usr/local/apache2.4 --with-apr=/usr/local/apr --with-apr-util=/usr/lcal/apr-util --enable-so --enable-mods-shared=most
checking for chosen layout... Apache
checking for working mkdir -p... yes
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
configure:
configure: Configuring Apache Portable Runtime library...
configure:
checking for APR... yes
setting CC to "gcc"
setting CPP to "gcc -E"
setting CFLAGS to " -g -O2 -pthread"
setting CPPFLAGS to " -DLINUX -D_REENTRANT -D_GNU_SOURCE"
setting LDFLAGS to " "
configure:
configure: Configuring Apache Portable Runtime Utility library...
configure:
checking for APR-util... configure: error: the --with-apr-util parameter is incorrect. It must specify an install prefix, a build directory, or an apu-config file.
解决方法：
# 安装libxml2-devel包
yum install -y libxml2-devel
# 删除apr-util安装目录，并重新编译安装
rm -rf /usr/local/apr-util
cd /usr/local/src/apr-util-1.6.1
# 这一步很重要，必须清除之前配置时的缓存
make clean
./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
make && make install
# 重新编译安装httpd
cd /usr/local/src/httpd-2.4.29
# 同样要清理之前的缓存十分重要
make clean
./configure --prefix=/usr/local/apache2.4--with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --enable-so --enable-mods-shared=most
make && make install
利用一般devel就是库包，所以选择安装有关devel的包名安装。
# yum list |grep -i pcre
pcre-devel.x86_64 8.32-17.el7 base
再次./configure --prefix=/usr/local/apache2.4 --with-apr=/usr/local/apr --with-apr-util=/usr/local/apr-util --enable-so --enable-mods-shared=most
make && make install
ls /usr/local/apache2.4/modules
/usr/local/apache2.4/bin/httpd -M //查看加载的模块
# /usr/local/apache2.4/bin/httpd -M
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using fe80::2ad9:5a78:700c:eaee. Set the 'ServerName' directive globally to suppress this message
Loaded Modules:
core_module (static)
so_module (static)
http_module (static)
mpm_event_module (static)
authn_file_module (shared)
authn_core_module (shared)
authz_host_module (shared)
authz_groupfile_module (shared)
authz_user_module (shared)
authz_core_module (shared)
access_compat_module (shared)
auth_basic_module (shared)
reqtimeout_module (shared)
filter_module (shared)
mime_module (shared)
log_config_module (shared)
env_module (shared)
headers_module (shared)
setenvif_module (shared)
version_module (shared)
unixd_module (shared)
status_module (shared)
autoindex_module (shared)
dir_module (shared)
alias_module (shared)
httpd简化版安装
####3 安装apache
分别下载 apr-1.6.3 apr-util 1.6.1 httpd-2.4.33 到/usr/local/src/
wgethttp://mirrors.cnnic.cn/apache/apr/apr-1.6.3.tar.gz
wgethttp://mirrors.cnnic.cn/apache/apr/apr-util-1.6.1.tar.bz2
wget http://mirrors.cnnic.cn/apache/httpd/httpd-2.4.33.tar.gz
首先安装apr
cd /usr/local/src/apr-1.6.3
./configure --prefix=/usr/local/apr
然后安装apr-util 1.6.1
cd /usr/local/src/apr-util-1.6.1
apr-util要依赖apr的路径
./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr
make && make install
安装httpd-2.4
#cd /usr/local/src/httpd-2.4.33
#./configure --prefix=/usr/local/apache2.4 --with-apr=/usr/local/apr --with-apr-
util=/usr/local/apr-util --enable-so --enable-mods-shared=most
#make && make install
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