XShell tutorial

Xshell login without password

1. 使用xshell 输出密钥

    ssh-keygen -t rsa -f test -C "test-key"
   

2. 放置密钥

    mkdir -p /root/.ssh
    chmod 700 /root/.ssh
    cat id_rsa.pub >> authorized_keys
    chmod 600 authorized_keys
   

3. restart sshd

    service ssh restart
    /etc/ssh/sshd_config
    PubkeyAuthentication yes
    PasswordAuthentication no
    ChallengeResponseAuthentication no
   

LAMP

1. Install Apache

    apt-get install apache2
   

2. Install MySQL

    apt-get install mysql-server libapache2-mod-auth-mysql php5-mysql
    mysql_install_db
    /usr/bin/mysql_secure_installation
   

3. Install PHP

    apt-get install php5 libapache2-mod-php5 php5-mcrypt
    apt-get install phpmyadmin
    /etc/init.d/apache2 restart
   

4. PHPMyAdmin

    /etc/apache2/apache2.conf
    Include /etc/phpmyadmin/apache.conf
    service apache2 restart
   

   Apache Virtual Host

   • a2ensite
   • a2dissite
   • a2enmod
   • a2dismod

fdisk

fdisk /dev/sdc
mkfs.ext4 /dev/sda5

Apache https

1. 确认是否安装ssl模块
   是否有mod_ssl.so文件
2. 生成证书和密钥
3. 配置apache
   • 修改httpd-ssl.conf文件
     注意在此文件中配置证书和密钥
     SSLCertificateFile /apache/conf/server.crt
     SSLCertificateKeyFile /apache/conf/server.key
   • 虚拟机设置NameVirtualHost *:443
     l. 修改httpd.conf文件
     LoadModule ssl_module /opt/taobao/install/httpd/modules/mod_ssl.so
     1. 引入ssl配置文件
        Include “/apache/conf/httpd-ssl.conf”
     2. 如果你配置的虚拟机，注意一下端口的访问接受情况
        NameVirtualHost *:80
4. 重新启动apache

用https方式访问，查看是否生效

QA

1. Trouble downloading packages list due to a “Hash sum mismatch” error

    sudo rm -rf /var/lib/apt/lists/*
    sudo apt-get update
   

2. Enable debug apt-get

    apt-get update -o Debug::Acquire::http=true
   

3. Enable ssh server

    apt-get install openssh-server
   

4. xshell transfer file

    sudo apt-get install lrzsz
    rz
    sz
   

5. chown

    chown user:group file
   

6. Enable root login Ubuntu 12.04

   sudo passwd root
   

7. Shutdown command

   shutdown -h now