How to use vim in sqlplus

edit file $ORACLE_HOME/sqlplus/admin/glogin.sql

define_editor=vim

SSH Config file

vi ~/.ssh/config

Host *
        HostKeyAlgorithms +ssh-dss
        MACs hmac-sha1
        Ciphers aes256-ctr,aes128-cbc
        # KexAlgorithms diffie-hellman-group-exchange-sha256

        KexAlgorithms diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1

Host old_host

  HostKeyAlgorithms +ssh-dss

  KexAlgorithms +diffie-hellman-group1-sha1

  Ciphers aes256-ctr,aes128-cbc

ssh option name check 

ssh -Q cipher       # List supported ciphers
ssh -Q mac          # List supported MACs
ssh -Q key          # List supported public key types
ssh -Q kex          # List supported key exchange algorithms

Install Python3.7 on Windows Subsystem for Linux (WSL)

​1. Install the python3.7 package using apt-get

sudo apt-get install python3.7

2. Add python3.6 & python3.7 to update-alternatives

​sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 2

3. Update python3 to point to python3.7

sudo update-alternatives --config python3

4. Test the version of python

python3 -v

5. Solve Error

sudo apt-get remove python3-apt -y

Error Permission Pipenv on /home/$USER/.cache in WLS

add $USER to root group

change Permission /home/$USER/.cache to 775

How to change default WSL mount Point

​create /etc/wsl.conf file

[automount]
root = /
options = "metadata"

reboot WSL Services

How to restart Windows Subsystem for Linux (WSL)

​open services.msc

LxssManager -> restart

Setup Docker in Windows Subsystem for Linux (WSL)

​Docker Setup:

Download Docker for Windows​

​docker -> settings -> general -> "expose deamon on tcp://localhost:2375 without TLS"

On WSL:

$sudo apt update -y
$sudo apt upgrade -y

$sudo apt install docker.io
$sudo usermod -aG docker $USER

Add PATH:

check:
echo $PATH | grep /home/$USER

if not exist
add path:

vi  ~/.profile

export PATH="$PATH:$HOME/.local/bin"

​Setup Docker in WSL

$echo "export DOCKER_HOST=tcp://localhost:2375" >> ~/.bashrc && source ~/.bashrc