An adult who happened to be born in the IT industry!

nice to meet you.
My name is John and I joined Beyond Co., Ltd. as a new graduate in April.
I was born in Uzbekistan, came to Japan for the first time, and learned about international management at a private university in Japan.I don't think anyone can imagine why I am working in the IT industry. I don't even know about that, myself included.
It may be a boring story, but I would be happy if you could take a little time to read it.

How I met Linux

I graduated from high school in Uzbekistan, which is far from Japan.
I entered the international Ritsumeikan Asia Pacific University in Oita Prefecture to study business management in Japan, which ranks second in economic growth in the world.
During my university days, I only took management classes in English, so I never thought I would work in the IT industry.

I thought that because IT is a GUI, I could freely use a PC wherever I went

However, when I came to Beyond, I came across an open source system called Linux, which is similar to MacOS.
I loved computers, just like playing with them when I was a kid, so I
was full of myself thinking that I could do anything on my own as long as the computer wasn't physically damaged.
What I realized after coming to Beyond is that the thoughts of childhood are as young and small as children.
I'm studying Linux with a slightly different mindset and perspective from everyone else, and I'm also learning commands that are useful in my work.
Linux has become a good companion for me because I can use it to communicate with servers.
It's important to communicate, whether it's a person or something!

This time I will introduce some commands that I found useful!

1．yum install

This command can be used to install various applications on the server.
Please note that the installation command will vary depending on the OS.
By the way, the yum install command can be used on his RedHat OS.

# yum install [app_name] yum install httpd

2．systemctl

Control the system or act as a service manager.
[option]>>start, stop, status, enable, disable, restart…

# systemctl [option] command [name] systemctl start httpd

3. mkdir

Commands can be used to create directories, or in terms you are familiar with, to create folders.
The great thing about mkdir is that you can create many directories at the same time.
mkdir also has options.

# mkdir -p mkdir -p [/tmp/com/us]

will create a directory that doesn't exist.

mkdir /tmp/com/us

If so, an error will be displayed. This is because the directory /tmp/com does not yet exist.
There

mkdir -p /tmp/com/us

If you hit , no error will occur.
The reason is that when creating the us directory, a parent directory called /tmp/com/ is also created.

4.touch and cat

touch /path/to/file

touch is a command that updates the timestamp, and when executed on a file that does not exist, the file whose timestamp is updated does not exist, so an empty file is created to continue processing.
touch can create files without a container.

# cat [file name] cat tee.txt

tee.txt is a file on my server, so please enter the file name on your server!
You can view the contents of a file using the cat command.

5.kill

The kill command is the command you need to be most careful with.
For example, it instantly kills all the active processes running on your computer.
In fact, the kill command is used to kill processes that are having a negative impact on the server.
Just hearing the word kill is terrifying.

# kill [process name] kill httpd

lastly

I worked really hard until this blog was born.
I think that's because I'm still learning Japanese.
Although I can speak both my native language, Uzbek, and English, I feel that I still need to study hard to master Japanese, which is the third most difficult language in the world.
I felt this kind of experience when I was writing an essay at my previous university.
will continue to study Japanese every day and improve my technical knowledge

This is the first blog I wrote.
The information I write on my blog may be small and simple for you, but for me, the small things
are the first step towards growth.
From now on, I will continue to acquire more knowledge as time goes on, and I will do my best to write a blog that contains even better information for those who read it.
Thank you for taking a look.