Here are the installation Steps for Windows Subsystem for Linux (WSL).
## 1. Enable the Windows Subsystem for Linux
### 1.1 You should first enable the "Windows Subsystem for Linux" optional feature before installing any Linux distributions on Windows.
> Open Powershell in Adminstrative mode and execute below command to enable WSL feature
```sh
dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart
```
### 1.2 To update to WSL 2 , Machine should have window 10 or Windows 11
> For x64 systems: Version 1903 or later, with Build 18362.1049 or later.
> For ARM64 systems: Version 2004 or later, with Build 19041 or later.
### 1.3 Enable Virtual Machine Feature
> Open Powershell in Adminstrative mode and execute below command to enable virtual machine feature.
```sh
dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart
```
### 1.4 Download the Linux kernel update package
Download the latest package : [WSL2 Linux kernel update package for x64 machines](https://wslstorestorage.blob.core.windows.net/wslblob/wsl_update_x64.msi)
Once downloaded Linux kernal update package from above link then double click to run with elevated permissions.
### 1.5 Set WSL 2 as a default version
Open PowerShell and run this command to set WSL 2 as the default version when installing a new Linux distribution
```sh
wsl --set-default-version 2
```
## 2. Installation steps for WSL (Windows Subsystem for Linux) Terminal
### 2.1. We can install WSL Terminal using chocolatey Package manager. if chocolatey Package manager CLI is not installed in your machine .
> Please execute below powershell commands in Powershell ISE (Adminstrative mode)
```sh
Set-ExecutionPolicy Bypass -Scope Process -Force;
[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;
iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
```
### 2.2. Need to install dependecy package( Microsoft.VCLibs.x64.14.00.Desktop.appx)
> Execute below powershell commands in Powershell ISE (Adminstrative mode) to install dependecy package( Microsoft.VCLibs.x64.14.00.Desktop.appx)
```sh
$packageURL=https://aka.ms/Microsoft.VCLibs.x64.14.00.Desktop.appx
## https://aka.ms/Microsoft.VCLibs.x86.14.00.Desktop.appx URL for X86 version of VCLibs.x86.14.00.Desktop package.
$pageName= Split-Path -Leaf $packageURL
$packagePath = "$env:TEMP\$pageName"
(New-Object System.Net.WebClient).DownloadFile($packageURL, $packagePath)
Add-AppxPackage $packagePath
Remove-Item $packagePath
```
### 2.3. Now We can install WSL (Windows Subsystem for Linux) Terminal using below commands with the help of choco package manager CLI
> Execute below powershell commands in Powershell ISE (Adminstrative mode) to install - WSL Terminal.
```sh
choco install -y microsoft-windows-terminal --version 1.12.10732.0 -force
choco upgrade microsoft-windows-terminal -y
```
> 2.4. Reboot machine
> 2.5. serach for Terminial
## 3. Installation steps for install Ubuntu os on WSL in Windows Machine.
we can see list of WSL Distributions already installed in your machine or Open the Microsoft Store and select your favorite Linux distribution.
```sh
wsl --list
Output :
Windows Subsystem for Linux Distributions:
Ubuntu (Default)
```
If you are allowed to install WSL distributions from Microsoft store then we can see list of available WSL distributions list and install linux distribution using "wsl --install -d "
```sh
wsl --list --online
Output:
The following is a list of valid distributions that can be installed using 'wsl --install -d '.
NAME FRIENDLY NAME
Ubuntu Ubuntu
Debian Debian GNU/Linux
kali-linux Kali Linux Rolling
Ubuntu-18.04 Ubuntu 18.04 LTS
Ubuntu-20.04 Ubuntu 20.04 LTS
Ubuntu-22.04 Ubuntu 22.04 LTS
OracleLinux_7_9 Oracle Linux 7.9
OracleLinux_8_7 Oracle Linux 8.7
OracleLinux_9_1 Oracle Linux 9.1
SUSE-Linux-Enterprise-Server-15-SP4 SUSE Linux Enterprise Server 15 SP4
openSUSE-Leap-15.4 openSUSE Leap 15.4
```
> Example wsl --install -d Ubuntu
However, Most of the organization will not provide access to Microsoft store so We can install WSL ubuntu distribution using AppxPackage.
> 3.1 if you want to install Ubuntu distribution using AppxPackage , Execute below powershell command in powershell-ISE (in Admintrative mode)
```sh
Invoke-WebRequest -Uri https://aka.ms/wslubuntu2004 -OutFile Ubuntu.appx -UseBasicParsing
Add-AppxPackage .\Ubuntu.appx
$userenv = [System.Environment]::GetEnvironmentVariable("Path", "User")
[System.Environment]::SetEnvironmentVariable("PATH", $userenv + "; C:\Users\Administrator\Ubuntu", "User")
#Note : If you are using Windows server, or run into problems running the command above you can find the alternate install instructions on the Windows Server documentation page to install the .appx file by changing it to a zip file.
```
|Distribution links |
|----------------------|
|[Ubuntu](https://aka.ms/wslubuntu)|
|[Ubuntu 22.04 LTS](https://aka.ms/wslubuntu2204)|
| [Ubuntu 20.04](https://aka.ms/wslubuntu2004|
|[Ubuntu 20.04 ARM](https://aka.ms/wslubuntu2004arm)|
|[Ubuntu 18.04](https://aka.ms/wsl-ubuntu-1804)|
|[Ubuntu 18.04 ARM](https://aka.ms/wsl-ubuntu-1804-arm)|
|[Ubuntu 16.04](https://aka.ms/wsl-ubuntu-1604)|
|[Debian GNU/Linux](https://aka.ms/wsl-debian-gnulinux)|
|[Kali Linux](https://aka.ms/wsl-kali-linux-new)|
|[Kali Linux](https://aka.ms/wsl-kali-linux-new)|
|[SUSE Linux Enterprise Server 12](https://aka.ms/wsl-sles-12)|
|[SUSE Linux Enterprise Server 15 SP2](https://aka.ms/wsl-SUSELinuxEnterpriseServer15SP2)|
|[SUSE Linux Enterprise Server 15 SP3](https://aka.ms/wsl-SUSELinuxEnterpriseServer15SP3)|
|[openSUSE Tumbleweed](https://aka.ms/wsl-opensuse-tumbleweed)|
|[openSUSE Leap 15.3](https://aka.ms/wsl-opensuseleap15-3)|
|[openSUSE Leap 15.2](https://aka.ms/wsl-opensuseleap15-2)|
|[Oracle Linux 8.5](https://aka.ms/wsl-oraclelinux-8-5)|
|[Oracle Linux 7.9](https://aka.ms/wsl-oraclelinux-7-9)|
|[Fedora Remix for WSL](https://github.com/WhitewaterFoundry/WSLFedoraRemix/releases/)||
> 3.2. Reboot machine and seach for ubuntu app
> 3.3 Connect to Ubuntu Linux distribution from WSL terminial
Open WSL and click on (+) new tab select Ubuntu linux distribution
> 3.4 Reset password for user /Forgot password
To change password for user in Linux distribution (WSL) . We can type "passwd" then it will prompt for current password , new password ,Re-enter Password
> 3.5 connect to ubuntu with root user
```sh
ssh <user>@<HostName>
```
> 3.6 update/upgrade package
```sh
apt list --upgradable
sudo apt update
sudo apt upgrade
```
Tuesday, June 27, 2023
Windows Subsystem for Linux (WSL)
Merge multiple files
### Following code snippet is used to merge multiple fiels
```sh
$Logpaths=("D:\Logs\App1\*.txt","D:\Logs\*.log","D:\MsgLog\*.log","D:\ErrorLog\*.log")
Get-Content $Logpaths |Set-content "D:\Logs\merge_log.txt"
```
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