I dealt with Apache for the first time in my graduation work at a vocational school, so I will write a memorandum It's the first time I've touched even Ubuntu, so it seems that there are many missing points.

OS Ubuntu18.04LTS

Reference article

https://www7390uo.sakura.ne.jp/wordpress/archives/467 https://bty.sakura.ne.jp/wp/archives/149 https://www.skyarch.net/blog/?p=9543

Things necessary

GCC (C compiler) 2.pcre-8.39 3.apr-1.7.0 4.apr-util-1.6.1 5.httpd-2.4.41

Install GCC

With the apt command $ apt-get install build-essential

Compile and install

Download the above to / usr / local / src and unzip

When downloading $ wget (url)

Decompression $ tar zxvf (file name)

After unzipping, enter each directory

`$ ./configure`


 $ make || make install```

 I will continue to execute.

# Attention 1
 I was told that there was not enough library called expat.h
 [Here](https://github.com/libexpat/libexpat/releases/download/R_2_2_7/expat-2.2.7.tar.gz)
 Download from. You should be able to install this one.
# Note 2
 Optional when running apr-util ./configure


#### **`$ ./configure --with-apr=/usr/local/apr`**

I'll attach

Note 3

httpd-2.4.41 ./configure is also optional

`$./configure --with-pcre=/usr/local/src/pcre-8.39/pcre-config --with-apr=/usr/local/src/apr-1.7.0 --with-apr-util=/usr/local/src/apr-util-1.6.1`



 I'll attach
# Note 4
 After installation, when I tried to start it, I got a message saying that I should pass the library path, so

```$ export ld_library_path="/usr/local/lib"```

 Now you can do it.

Install Apache 2.4.41 from source