Server Migration Memo

Digitalocean's gift quota was exhausted, and then the IP was also wall. So he returned to the bosom of vultr. This article we will share with you the server Migration Memo tutorial, hope to help everyone.

Basic settings

Create user

1. AddUser
   The home directory, System shell version is automatically specified for the created user, and the user password is entered when it is created.

2. Useradd
   The above basic settings need to be specified using the parameter option, and if no parameters are used, the user created has no password, no home directory, and no shell version specified.

To add an ordinary user to the sudo group, you typically use two methods:

1. Modify the/etc/sudoers file

      ...            # User Privilege Specification      root all= (all:all) All # Allow members of the            group sudo to execute any command      %SU Do all= (All:all) All//Add your own username ...            

1. Execute command add user to sudo

Usermod-a-G sudo ' username '//note change to your own username

Change root password

passwd User Name

File Remote Copy

Tar-czvf/tmp/etc.tar.gz/etc <== after packaging, compress tar-xzvf/tmp/etc.tar.gz with gzip

Password-Free Login

Ssh-copy-id-i ~/.ssh/id_rsa.pub Remote-host

Package Installation

Mysql

MySQL Add user

CREATE USER ' wtser ' @ ' localhost ' identified by ' password '; GRANT all privileges on *. * to ' wtser ' @ ' localhost ';

Dump data

Mysqldump-u User-ppassword databaseName > Sqlfilename

Revocer data

CREATE DATABASE menagerie;mysql>  ' use database_name; ' mysql>  ' source path/to/file.sql; '

Shadowsocks

Chacha20

1. Compile and install Libsodium:

      Apt-get Update      apt-get install build-essential      wget https://download.libsodium.org/libsodium/releases/ LATEST.tar.gz      tar-zxf LATEST.tar.gz      cd libsodium-1.0.3      ./configure && make && make Install

1. To repair a dynamic link library:

Edit /etc/ld.so.conf The file, add a row /usr/local/lib and save. Run commandldconfig

Nodejs

You can manually compile the installation yourself, but it is a bit slow, it is recommended to install with Nodesource

Nginx (for Plex seafile etc ... ）

Pm2

Ghost Blog

Creating timed Tasks and daemons

Crontab timed Task (Certbot-renew,rss spider)

Systemed Daemon (ss, Frp,hubot)

    # SYSTEMD Unit File Example FRP    [unit]    DESCRIPTION=FRP    after=network.target        [Service]    type= Simple        WORKINGDIRECTORY=/HOME/WTSER/SERVICE/FRP    user=wtser    execstart=/home/wtser/service/frp/frps- C/home/wtser/service/frp/frps.ini    execstop=    restart=always        [Install]    wantedby= Multi-user.target    ~

Digitalocean's gift quota was exhausted, and then the IP was also wall. So he returned to the bosom of vultr.

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