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2021年7月20日 星期二

Create git server for self on centos

 :server


1.install

yum install git -y


2.add user

adduser git

passwd git


3.create directory for sample project

su git

cd ~

mkdir project.git

cd project.git

git init --bare


4.create ssh directory and file

cd ..

mkdir .ssh

cd .ssh

touch authorized_keys

chmod 700 ~/.ssh/

chmod 600 ~/.ssh/authorized_keys


5.create ssh key

su root

cd ~

ssh-keygen

scp ~/.ssh/id_rsa.pub git@gitserver:~/.ssh/authorized_keys

# or cat ~/.ssh/id_rsa.pub >> /home/git/.ssh/authorized_keys


:client


1.config

git config --global user.name "Your Name" 

git config --global user.email "Your_Mail@example.com"


2.type1:clone

:server create directory in /home/project.git

git clone git@gitserver:~/project.git

cd project 

touch test.txt

git add --all

git commit -a -m "First Version"

git push origin master


3.type2:create new project

:server create directory in /home/new_project.git

mkdir new_project

cd new_project

git init

git remote add origin git@gitserver:~/new_project.git

touch test.txt

git add --all

git commit -a -m "First Version"

git push origin master

2021年7月18日 星期日

fail2ban

可防範對某一服務的暴力破解或掃描的行為

  1. ready
    install and active firewalld
    install epel-release
  2. install
    yum install -y fail2ban
  3. add /etc/fail2ban/jail.local, can use nano
    [DEFAULT]
    # white list
    ignoreip = 127.0.0.1
    # ban time
    bantime  = 600
    # ho much time to try to maxretry
    findtime = 600
    # try time
    maxretry = 5

    [sshd]
    # [service name]
    enabled = true
  4. active
    systemctl enable fail2ban
    systemctl start fail2ban