Add some random scripts in my machine

network/check_port.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# Check a whether a port is open or not
+#
+# then use the script in your tests like
+# check_port 9200
+
+function check_port() {
+  local host=${1} && shift
+  local port=${1} && shift
+  local retries=5
+  local wait=1
+
+  until( nc -zv "${host}" "${port}" ); do
+    ((retries--))
+    if [ $retries -lt 0 ]; then
+      echo "Service ${host}:${port} didn't become ready in time."
+      exit 1
+    fi
+    sleep "${wait}"
+  done
+}
+
+check_port "localhost" "$@"

shell_scripts/useful/check_time_zone.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# Set a random timezone
+TZ_SIGN=$( echo "+:-" | cut -d: -f "$( shuf -i 1-2 -n 1 )" )
+TZ=UTC${TZ_SIGN}$( shuf -i 0-24 -n1 )
+
+export TZ
+
+echo "Set TZ to: ${TZ}"

ubuntu/post_install_ubuntu.sh

@@ -0,0 +1,88 @@
+#!/bin/bash
+
+
+#   Post-installation bash script for Ubuntu
+
+
+tabs 4
+
+
+TITLE="Ubuntu Post-Install Script"
+
+
+function main {
+    echo_message header "Starting 'main' function"
+    # Draw window
+    MAIN=$(eval `resize` && whiptail \
+        --notags \
+        --title "$TITLE" \
+        --menu "\nWhat would you like to do?" \
+        --cancel-button "Quit" \
+        $LINES $COLUMNS $(( $LINES - 12 )) \
+        'system_update'         'Perform system updates' \
+        'install_favs'          'Install preferred applications' \
+        'install_favs_dev'      'Install preferred development tools' \
+        'install_favs_utils'    'Install preferred utilities' \
+        'install_gnome'         'Install preferred GNOME software' \
+        'install_codecs'        'Install multimedia codecs' \
+        'install_fonts'         'Install additional fonts' \
+        'install_snap_apps'     'Install Snap applications' \
+        'install_flatpak_apps'  'Install Flatpak applications' \
+        'install_thirdparty'    'Install third-party applications' \
+        'setup_dotfiles'        'Configure dotfiles' \
+        'system_configure'      'Configure system' \
+        'system_cleanup'        'Cleanup the system' \
+        3>&1 1>&2 2>&3)
+    # check exit status
+    if [ $? = 0 ]; then
+        echo_message header "Starting '$MAIN' function"
+        $MAIN
+    else
+        # Quit
+        quit
+    fi
+}
+
+# Quit
+function quit {
+    echo_message header "Starting 'quit' function"
+    echo_message title "Exiting $TITLE..."
+    # Draw window
+    if (whiptail --title "Quit" --yesno "Are you sure you want quit?" 8 56) then
+        echo_message welcome 'Thanks for using!'
+        exit 99
+    else
+        main
+    fi
+}
+
+# Import Functions
+function import_functions {
+    DIR="functions"
+    # iterate through the files in the 'functions' folder
+    for FUNCTION in $(dirname "$0")/$DIR/*; do
+        # skip directories
+        if [[ -d $FUNCTION ]]; then
+            continue
+        # exclude markdown readmes
+        elif [[ $FUNCTION == *.md ]]; then
+            continue
+        elif [[ -f $FUNCTION ]]; then
+            # source the function file
+            . $FUNCTION
+        fi
+    done
+}
+
+# Import main functions
+import_functions
+# Welcome message
+echo_message welcome "$TITLE"
+# Run system checks
+system_checks
+# main
+while :
+do
+    main
+done
+