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===== Example of initial Ubuntu settings =====
First, you should install Ubuntu on your machine or through WSL2
===== Install ubuntu-24.04 from WSL2 =====
<code>
> wsl --install Ubuntu-24.04 --location "<Location you want to put ext4.vhdx in>" --name <distribution_name> --web-download
  ex)
> wsl --install Ubuntu-24.04 --location "F:\pctr_wsl_ubuntu" --name pctr_wsl_ubuntu --web-download
</code>
===== Setting example of .gitconfig .gitignore =====
<code Bash>
$ cat ~/.gitconfig
[user]
        name = pctr
        email = pctresearch@pctresearch.com
[core]
        editor = code
[merge]
        tool = meld
[mergetool "meld"]
        cmd = meld "$LOCAL" "$MERGED" "$REMOTE" --output "$MERGED"
[mergetool "meld"]
        trustExitCode = false
[difftool]
    Prompt = false
[difftool "meld"]
    cmd = meld "$LOCAL" "$REMOTE"
</code>
<code Bash>
$ cat ~/.gitignore
# Ignore all
*

# Unignore all start with dot files
!.*

# ignore all start with dot dirs
.*/
</code>

===== Configure Git to Use Meld for Diffs in Ubuntu =====
<code Bash>
$ sudo apt install meld
</code>
<code Bash>
$ sudo vim /usr/bin/git-meld-diff
--
#!/usr/bin/python3

import sys
import os

os.system('meld "%s" "%s"' % (sys.argv[2], sys.argv[5]))
--
</code>
<code Bash>
$ sudo chmod +x /usr/bin/git-meld-diff
</code>
# configure git to use the new script when we run git diff.
<code Bash>
$ git config --global diff.external git-meld-diff
</code>
<code Bash>
$ git init
</code>
===== Customize .bashrc .profile =====
<code Diff>
$ git diff 8175285fb6420ddd2bd23df18e7f8c9c74e9e830..HEAD .bashrc
diff --git a/.bashrc b/.bashrc
index b488fcc..a369f62 100644
--- a/.bashrc
+++ b/.bashrc
@@ -8,6 +8,16 @@ case $- in
       *) return;;
 esac

+blk='\[\033[01;30m\]'   # Black
+red='\[\033[01;31m\]'   # Red
+grn='\[\033[01;32m\]'   # Green
+ylw='\[\033[01;33m\]'   # Yellow
+blu='\[\033[01;34m\]'   # Blue
+pur='\[\033[01;35m\]'   # Purple
+cyn='\[\033[01;36m\]'   # Cyan
+wht='\[\033[01;37m\]'   # White
+clr='\[\033[00m\]'      # Reset
+
 # don't put duplicate lines or lines starting with space in the history.
 # See bash(1) for more options
 HISTCONTROL=ignoreboth
@@ -57,7 +67,8 @@ if [ -n "$force_color_prompt" ]; then
 fi

 if [ "$color_prompt" = yes ]; then
-    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
diff --git a/.bashrc b/.bashrc
index b488fcc..a369f62 100644
--- a/.bashrc
+++ b/.bashrc
@@ -8,6 +8,16 @@ case $- in
       *) return;;
 esac

+blk='\[\033[01;30m\]'   # Black
+red='\[\033[01;31m\]'   # Red
+grn='\[\033[01;32m\]'   # Green
+ylw='\[\033[01;33m\]'   # Yellow
+blu='\[\033[01;34m\]'   # Blue
+pur='\[\033[01;35m\]'   # Purple
+cyn='\[\033[01;36m\]'   # Cyan
+wht='\[\033[01;37m\]'   # White
+clr='\[\033[00m\]'      # Reset
+
 # don't put duplicate lines or lines starting with space in the history.
 # See bash(1) for more options
 HISTCONTROL=ignoreboth
@@ -57,7 +67,8 @@ if [ -n "$force_color_prompt" ]; then
 fi

 if [ "$color_prompt" = yes ]; then
-    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+#    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+    PS1='${debian_chroot:+($debian_chroot)}'${grn}'\u@\h'${clr}':'${blu}'\w\n'${clr}
 else
     PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
 fi
@@ -115,3 +126,23 @@ if ! shopt -oq posix; then
     . /etc/bash_completion
   fi
 fi
+alias sudo='sudo '
+alias cpu10='ps -L aux | sort -nr -k 3 | head -10'
+alias mem10='ps -L aux | sort -nr -k 4 | head -10'
+alias lsmount='mount |column -t'
+alias sshk='ssh -p 65342 kan@win10kan2'
+alias sshuk='ssh -p 65342 kan@ubuntukan'
+alias vimn='vim.nox -u ~/.vimrc '
+alias ggit='export GIT_EXTERNAL_DIFF=git-meld-diff && git '
+alias cgit='unset GIT_EXTERNAL_DIFF && git '
+
+function git_branch() {
+    if [ -d .git ] ; then
+        printf "%s" "($(git branch 2> /dev/null | awk '/\*/{print $2}'))";
+    fi
+}
+
+PS_GIT='$(git_branch)'
+#PS1=${cyn}${PS_GIT}${clr}${PS1}${pur}'\n'${clr}'\$ '
+PS1=${cyn}${PS_GIT}${clr}${PS1}${pur}''${clr}'\$ '
</code>
<code Diff>
$ git diff 8175285fb6420ddd2bd23df18e7f8c9c74e9e830..HEAD .profile
diff --git a/.profile b/.profile
index d89ea5a..8192c32 100644
--- a/.profile
+++ b/.profile
@@ -25,3 +25,12 @@ fi
 if [ -d "$HOME/.local/bin" ] ; then
     PATH="$HOME/.local/bin:$PATH"
 fi
+# add PATH
+export PATH="$PATH:/mnt/c/Users/kan/AppData/Local/Programs/Microsoft VS Code/bin"
+export PATH="$PATH:/mnt/c/Windows"
+export PATH="$PATH:/mnt/c/Windows/System32"
+export PATH="$PATH:$HOME/.local/bin"
</code>
<code Diff>
$ cgit diff 8175285fb6420ddd2bd23df18e7f8c9c74e9e830..HEAD .vimrc
diff --git a/.vimrc b/.vimrc
index 5d7f70c..cf7612d 100644
--- a/.vimrc
+++ b/.vimrc
@@ -36,7 +36,7 @@ endif

 " If using a dark background within the editing area and syntax highlighting
 " turn on this option as well
-"set background=dark
+set background=dark

 " Uncomment the following to have Vim jump to the last position when
 " reopening a file
@@ -49,13 +49,14 @@ endif
 " The following are commented out as they cause vim to behave a lot
 " differently from regular Vi. They are highly recommended though.
 "set showcmd           " Show (partial) command in status line.
-"set showmatch         " Show matching brackets.
+set showmatch          " Show matching brackets.
 "set ignorecase                " Do case insensitive matching
 "set smartcase         " Do smart case matching
 "set incsearch         " Incremental search
 "set autowrite         " Automatically save before commands like :next and :make
 "set hidden            " Hide buffers when they are abandoned
 "set mouse=a           " Enable mouse usage (all modes)
+set number
</code>
<code Diff>
$ source ~/.bashrc
$ source ~/.profile
  or
$ . ~/.bashrc
$ . ~/.profile
</code>
Now you can use "git diff" from the CLI with "cgit diff" and from the GUI with "ggit diff".