feat: customize welcome message & add some color config

lambda-00x097.zsh-theme

@@ -2,6 +2,7 @@ autoload colors
 
 # use `spectrum_ls` command for getting color scale
 
+export WHITE="251"
 export GRAY="244"
 export GREEN="002"
 export YELLOW="190"

make.symlinks.sh

@@ -3,4 +3,7 @@ ln -s $(pwd)/.bashrc ~/.bashrc
 ln -s $(pwd)/.bash_profile ~/.bash_profile
 
 ln -s $(pwd)/.zshrc ~/.zshrc
-ln -s $(pwd)/lambda-00x097.zsh-theme ~/.oh-my-zsh/themes/lambda-00x097.zsh-theme
+ln -s $(pwd)/lambda-00x097.zsh-theme ~/.oh-my-zsh/themes/lambda-00x097.zsh-theme
+
+ln -s $(pwd)/welcome.sh /etc/updated-motd.d/welcome.sh
+ln -s $(pwd)/welcome.sh /etc/profile.d/welcome.sh

welcome.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+export WHITE="251"
+export GRAY="244"
+export GREEN="002"
+export YELLOW="190"
+export RED="196"
+
+TITLE_COLOR=$GREEN
+AT_COLOR=$GRAY
+UNDERLINE_COLOR=$GRAY
+SUBTITLE_COLOR=$GREEN
+COLON_COLOR=$GRAY
+INFO_COLOR=$GRAY
+
+if [[ $EUID -ne 0 ]]; then
+    TITLE_COLOR=$GREEN
+    SUBTITLE_COLOR=$GREEN
+else
+    TITLE_COLOR=$RED
+    SUBTITLE_COLOR=$RED
+fi
+
+neofetch=`neofetch \
+  --disk_percent on \
+  --memory_percent on \
+  --memory_unit gib \
+  --cpu_display barinfo \
+  --memory_display barinfo \
+  --disk_display barinfo \
+  --cpu_speed on \
+  --cpu_temp C \
+  --colors $TITLE_COLOR $AT_COLOR $UNDERLINE_COLOR $SUBTITLE_COLOR $COLON_COLOR $INFO_COLOR
+`
+
+hostName=`uname -n`
+diskSpace=`df -Ph | grep xvda1 | awk '{print $4}' | tr -d '\n'`
+memoryUsed=`free -t -m | grep Total | awk '{print $3" MB";}'`
+
+echo "
+
+$neofetch"
+
+#  - Hostname............: $hostName
+#  - Disk Space..........: $diskSpace
+#  - Memory used.........: $memoryUsed