Ubuntu ssh Android phone

The relationship between Android and Linux can refer to this blog post:

http://blog.csdn.net/u013752202/article/details/53648823

Android phones can install tools such as Terminal, SSHDroid, etc.

To use ssh to log in to an android phone, you need to pay attention to the configuration port:

# Package generated configuration file
# See the sshd_config(5) manpage for details

# What ports, IPs and protocols we listen for
Port 1234
# Use these options to restrict which interfaces/protocols sshd will bind to
# ListenAddress ::
# ListenAddress 0.0.0.0
# ListenAddress 0.0.0.0

Protocol 2
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
# Privilege Separation is turned on for security
UsePrivilegeSeparation yes

# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 1024

# Logging
SyslogFacility AUTH
LogLevel INFO

# Authentication:
LoginGraceTime 120
PermitRootLogin without-password
StrictModes yes

RSAAuthentication yes
PubkeyAuthentication yes
# AuthorizedKeysFile	%h/.ssh/authorized_keys

# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts yes
# For this to work you will also need host keys in/etc/ssh_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
# IgnoreUserKnownHosts yes

# To enable empty passwords, change to yes(NOT RECOMMENDED)
PermitEmptyPasswords no

# Change to yes to enable challenge-response passwords(beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication no

# Change to no to disable tunnelled clear text passwords
# PasswordAuthentication yes

# Kerberos options
# KerberosAuthentication no
# KerberosGetAFSToken no
# KerberosOrLocalPasswd yes
# KerberosTicketCleanup yes

# GSSAPI options
# GSSAPIAuthentication no
# GSSAPICleanupCredentials yes

X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
# UseLogin no

# MaxStartups 10:30:60
# Banner /etc/issue.net

# Allow client to pass locale environment variables
AcceptEnv LANG LC_*

Subsystem sftp /usr/lib/openssh/sftp-server

# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
# be allowed through the ChallengeResponseAuthentication and
# PasswordAuthentication.  Depending on your PAM configuration,
# PAM authentication via ChallengeResponseAuthentication may bypass
# the setting of"PermitRootLogin without-password".
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.
UsePAM yes

Then you can use ssh to log in to the phone:

exbot@relay-Aspire-4741:~$ ssh -p 1234 localhost
The authenticity of host '[localhost]:1234 ([127.0.0.1]:1234)' can't be established.
ECDSA key fingerprint is 15:82:ed:f2:0d:52:21:b8:b6:c7:2e:9a:d4:91:a8:0f.
Are you sure you want to continueconnecting(yes/no)? yes
Warning: Permanently added '[localhost]:1234'(ECDSA) to the list of known hosts.
exbot@localhost's password: 
Welcome to Ubuntu 14.04.5LTS(GNU/Linux 4.4.0-75-generic x86_64)* Documentation:  https://help.ubuntu.com/

Your Hardware Enablement Stack(HWE) is supported until April 2019.
Last login: Sun Jan 2213:14:502017
exbot@relay-Aspire-4741:~$ exit
logout
Connection to localhost closed.
exbot@relay-Aspire-4741:~$ ssh -p 1234192.168.1.101
The authenticity of host '[192.168.1.101]:1234 ([192.168.1.101]:1234)' can't be established.
RSA key fingerprint is b5:9b:9b:5a:c3:1a:cc:e7:c5:10:aa:33:38:21:67:c9.
Are you sure you want to continueconnecting(yes/no)? yes
Warning: Permanently added '[192.168.1.101]:1234'(RSA) to the list of known hosts.
SSHDroid
Use 'root'as username
Default password is 'admin'
[email protected]'s password: 
u0_a102@hwALE-H:/data/data/berserker.android.apps.sshdroid/home $ ls
u0_a102@hwALE-H:/data/data/berserker.android.apps.sshdroid/home $ cd ..
u0_a102@hwALE-H:/data/data/berserker.android.apps.sshdroid $ ls
app_webview   code_cache    dropbear      home          shared_prefs
cache         databases     files         lib
u0_a102@hwALE-H:/data/data/berserker.android.apps.sshdroid $

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