show code js

2021年7月20日 星期二

Create git server for self on centos

 :server

B&X<

1.install

yum install git -y

B&X<

2.add user

adduser git

passwd git

B&X<

3.create directory for sample project

su git

cd ~

mkdir project.git

cd project.git

git init --bare

B&X<

4.create ssh directory and file

cd ..

mkdir .ssh

cd .ssh

touch authorized_keys

chmod 700 ~/.ssh/

chmod 600 ~/.ssh/authorized_keys

B&X<

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

B&X<

:client

B&X<

1.config

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

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

B&X<

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

B&X<

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. readyB&X<
    install and active firewalldB&X<
    install epel-release
  2. installB&X<
    yum install -y fail2ban
  3. add /etc/fail2ban/jail.local, can use nanoB&X<
    [DEFAULT]B&X<
    # white listB&X<
    ignoreip = 127.0.0.1B&X<
    # ban time B&X<
    bantime  = 600B&X<
    # ho much time to try to maxretryB&X<
    findtime = 600B&X<
    # try timeB&X<
    maxretry = 5B&X<
    B&X<
    [sshd]B&X<
    # [service name]B&X<
    enabled = true
  4. activeB&X<
    systemctl enable fail2banB&X<
    systemctl start fail2ban