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Cheat sheet for Tinkerware exercise

NAVIGATE

- cd Go to a direcotry path
Parameters: Path

Example:

vagrant@tinkerware:~$ cd /home/user/pictures

Directories to use in the exercise:

  • ~/Documents/tinkerware/deploy-exercise #in host
  • /opt/tinker/shared_files/tinkerware_react #in vagrant
- mkdir Create directory
Parameters: directory name

Example:

vagrant@tinkerware:~$ mkdir /home/user/Documents/newFolder

Directories to use in the exercise:

  • /opt/tinker/shared_files/tinkerware_react
- ssh Logging into remote machines
Parameters: user, ip

Example:

vagrant@tinkerware:~$ ssh john@192.168.10.10

To use in the exercise:

user:

  • intern1

ip:

  • 192.168.33.10
- su Login as user
Parameters: User name

Example:

vagrant@tinkerware:~$ su - jhon
jhon@tinkerware:~$

User this exercise:

  • intern1

CREATE USER AND GROUP

- groupadd Create new group
Parameters: Group name

Example:

vagrant@tinkerware:~$ groupadd newgroup

To use in this exercise:

  • sysadmin
- useradd Create new user
Parameters:
-s The name of the user's login shell.
-m Create the user's home directory if it does not exist.
-d The user's login directory
-g The group of the user's initial login group.
-G Extra groups which the user is also a member of.

Example:

vagrant@tinkerware:~$ useradd -s /bin/bash -m -d /home/${USER} -g ${GROUP} -G ${EXTRA_GROUPS} ${USER} 

vagrant@tinkerware:~$ useradd -s /bin/bash -m -d /home/john -g developer -G sudo john

To use in this exercise:

  • intern1
- passwd Define Password for new user
Parameters: User name

Example:

vagrant@tinkerware:~$ passwd jhon

INSTALL PACKAGES:

- curl Transfer a URL
Parameters: url
-s Silent. Don't show progress metter or error messages.
-L Remake te request if the server has moved to a different location.

Example:

# Run downloaded script
vagrant@tinkerware:~$ curl -sL https://raw.githubusercontent.com/roman-huliak/hello-world-bash/master/app.sh  | bash -

To use in this exercise:

- apt Command-line tool to handle packages.
Parameters: package to install

Example:

root@tinkerware:~$ apt-get install vim
vagrant@tinkerware:~$ sudo apt-get install htop

To use in this exercise:

package:

  • curl
  • build-essential
  • git
  • nodejs
  • emacs24-nox

Upgrade

apt-get update
apt-get upgrade
apt-get upgrade -f
- npm Package manager for JavaScript
Parameters: package to install

Example:

vagrant@tinkerware:~$ npm install gulp

To use this exercise: package:

  • react

REPOSITORIES

-git Revision control system command line tool.
Parameters: url, path(optional)
clone clone project url
checkout move to a version of the code.

Example:

vagrant@tinkerware:~$ git clone https://github.com/roman-huliak/hello-world-bash.git

To use this exercise:

url:

SERVICES

-service Run a System V init script
Parameters: service name
restart
start
stop

Restart ssh service

Example:

vagrant@tinkerware:~$ sudo service nginx restart

Services to use this exercise:

  • ssh

Run React service

Example:

vagrant@tinkerware:~$ node server.js

Files to change

Files to use this exercise:

/etc/ssh/sshd_config

/etc/sudoers - Command: visudo

HOME/.ssh/authorized_keys

#Extra notes

https://github.com/nodesource/distributions

SERVER DESCRIPTION

Distribution and Kernel:

root@tinkerware:~# uname -a
Linux tinkerware 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) x86_64 GNU/Linux

CPU:

root@tinkerware:~# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                1

Disk Space:

root@tinkerware:~# df
Filesystem     1K-blocks     Used Available Use% Mounted on
/dev/sda1        9620408  1350964   7757700  15% /
udev               10240        0     10240   0% /dev
tmpfs             101256     4420     96836   5% /run
tmpfs             253132        0    253132   0% /dev/shm
tmpfs               5120        0      5120   0% /run/lock
tmpfs             253132        0    253132   0% /sys/fs/cgroup
vagrant        143575768 52988892  90586876  37% /vagrant

Memory:

root@tinkerware:~# free
                 total       used       free     shared    buffers     cached
    Mem:        506268     108864     397404       4728      10508      48368
    -/+ buffers/cache:      49988     456280
    Swap:       473084          0     473084

More commands to get System Information:

  • man
  • hostname
  • dnsdomainname
  • lscpu
  • free
  • df
  • du
  • lspci
  • uptime
  • last {reboot|shutdown}
  • htop
  • In files: /proc/*, /var/log/dmesg