diff --git a/lib/cli/commands/config/update.rb b/lib/cli/commands/config/update.rb
index 7649382..e436243 100644
--- a/lib/cli/commands/config/update.rb
+++ b/lib/cli/commands/config/update.rb
@@ -91,6 +91,8 @@ def call(**options)
             @system_data = Services::SysInfo.all_info
           end
 
+          @system_data = Services::SysInfo.complete_info(@system_data)
+
           spinner.success('(successful)')
 
           # New data to file
diff --git a/lib/services/interactive_wizard.rb b/lib/services/interactive_wizard.rb
index 6f47008..8561f5b 100644
--- a/lib/services/interactive_wizard.rb
+++ b/lib/services/interactive_wizard.rb
@@ -13,7 +13,83 @@ module Services
     class InteractiveWizard
       def system_info
         config = YAML.load_file(File.expand_path('../../config/config.yaml', __dir__))
-        @info = AlcesJob::Services::SysInfo.load_info(config)
+
+        if File.exist?(config['admin_config_file'])
+          @info = AlcesJob::Services::SysInfo.load_info(config)
+        else
+          candidate = AlcesJob::Services::SysInfo.actual_info
+          @info = if AlcesJob::Services::SysInfo.slurm_available?(candidate)
+                    AlcesJob::Services::SysInfo.complete_info(candidate)
+                  else
+                    prompt_for_system_info
+                  end
+        end
+      rescue Errno::ENOENT, Psych::SyntaxError
+        @info = prompt_for_system_info
+      end
+
+      def valid_system_info?(info)
+        info.is_a?(Hash) && info[:nodes].is_a?(Array) && info[:nodes].any? &&
+          info[:partitions].is_a?(Array) && info[:partitions].any?
+      end
+
+      def prompt_for_system_info
+        prompt = TTY::Prompt.new
+
+        puts 'Unable to detect a Slurm environment. Please enter fallback cluster configuration for the system you wish to run the script on.'
+
+        partitions = prompt_for_partitions(prompt)
+        nodes = prompt_for_nodes(prompt)
+        gpu_total = prompt.ask('How many GPUs are available in total?', default: '0') do |q|
+          q.validate(/\A\d+\z/)
+          q.messages[:valid?] = 'Please enter a whole number.'
+          q.convert :int
+        end
+
+        {
+          nodes: nodes,
+          partitions: partitions,
+          packages: [],
+          gpu_total: gpu_total
+        }
+      end
+
+      def prompt_for_partitions(prompt)
+        partition_input = prompt.ask('Partition names (comma-separated)', default: 'default') do |q|
+          q.required true
+        end
+
+        partition_names = partition_input.split(',').map(&:strip).reject(&:empty?)
+        partition_names = ['default'] if partition_names.empty?
+
+        partition_names.map.with_index do |name, index|
+          time_limit = prompt.ask("Max time for partition #{name}", default: '0-07:00:00') do |q|
+            q.validate(/^\d+-\d{2}:\d{2}:\d{2}$/)
+            q.messages[:valid?] = 'Time must be in format D-HH:MM:SS.'
+          end
+
+          {
+            partition: name,
+            time_limit: time_limit,
+            default: index.zero?
+          }
+        end
+      end
+
+      def prompt_for_nodes(prompt)
+        max_cpu_cores = prompt.ask('Maximum CPU cores per node', default: '4') do |q|
+          q.validate(/\A\d+\z/)
+          q.messages[:valid?] = 'Please enter a whole number.'
+          q.convert :int
+        end
+
+        max_memory = prompt.ask('Maximum memory per node (MB)', default: '5000') do |q|
+          q.validate(/\A\d+\z/)
+          q.messages[:valid?] = 'Please enter a whole number.'
+          q.convert :int
+        end
+
+        [{ node: 'local', cpus: max_cpu_cores, memory: max_memory }]
       end
 
       def valid_slurm_time?(time_string, max_time = '7-00:00:00')
diff --git a/lib/services/sysinfo.rb b/lib/services/sysinfo.rb
index da80510..29a253f 100644
--- a/lib/services/sysinfo.rb
+++ b/lib/services/sysinfo.rb
@@ -9,7 +9,7 @@ module SysInfo
       # Load system information from file if available or grabs info
       # @return [Hash{nodes: Array<Hash>, partitions: Array<Hash>, packages: Array<String>, gpu_total: Integer}]
       def self.load_info(config)
-        return YAML.load_file(config['admin_config_file']) if File.exist?(config['admin_config_file'])
+        return complete_info(YAML.load_file(config['admin_config_file'])) if File.exist?(config['admin_config_file'])
 
         all_info
       end
@@ -17,6 +17,10 @@ def self.load_info(config)
       # Gets all system information
       # @return [Hash{nodes: Array<Hash>, partitions: Array<Hash>, packages: Array<String>, gpu_total: Integer}]
       def self.all_info
+        complete_info(actual_info)
+      end
+
+      def self.actual_info
         {
           nodes: node_info,
           partitions: partition_info,
@@ -25,6 +29,44 @@ def self.all_info
         }
       end
 
+      def self.slurm_available?(info = nil)
+        info ||= actual_info
+        info[:nodes].is_a?(Array) && !info[:nodes].empty? &&
+          info[:partitions].is_a?(Array) && !info[:partitions].empty?
+      end
+
+      def self.complete_info(info)
+        return default_info unless info.is_a?(Hash)
+
+        {
+          nodes: info[:nodes] || info['nodes'] || default_nodes,
+          partitions: info[:partitions] || info['partitions'] || default_partitions,
+          packages: info[:packages] || info['packages'] || default_packages,
+          gpu_total: info[:gpu_total] || info['gpu_total'] || 0
+        }
+      end
+
+      def self.default_info
+        {
+          nodes: default_nodes,
+          partitions: default_partitions,
+          packages: default_packages,
+          gpu_total: 0
+        }
+      end
+
+      def self.default_nodes
+        [{ node: 'local', cpus: 4, memory: 5_000 }]
+      end
+
+      def self.default_partitions
+        [{ partition: 'default', time_limit: '0-07:00:00', default: true }]
+      end
+
+      def self.default_packages
+        []
+      end
+
       # Gets the node information
       # @return [Array<{node: String, cpus: Integer, memory: Integer}>, nil]
       def self.node_info
diff --git a/spec/sysinfo_spec.rb b/spec/sysinfo_spec.rb
index 22b5ad8..b89f56a 100644
--- a/spec/sysinfo_spec.rb
+++ b/spec/sysinfo_spec.rb
@@ -136,7 +136,7 @@
   describe '.gpu_info' do
     it 'returns the GPU count from command output' do
       allow(Open3).to receive(:capture3)
-        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc`")
+        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc")
         .and_return(["4\n", '', success_status])
 
       expect(described_class.gpu_info).to eq(4)
@@ -144,7 +144,7 @@
 
     it 'returns zero when the command fails' do
       allow(Open3).to receive(:capture3)
-        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc`")
+        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc")
         .and_return(['', 'error', failure_status])
 
       expect(described_class.gpu_info).to eq(0)
@@ -152,7 +152,7 @@
 
     it 'returns zero when scontrol is not installed' do
       allow(Open3).to receive(:capture3)
-        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc`")
+        .with("scontrol show nodes | grep -o 'gpu:[^:]*:[0-9]*' | cut -d':' -f3 | paste -sd+ | bc")
         .and_raise(Errno::ENOENT)
 
       expect(described_class.gpu_info).to eq(0)
@@ -184,5 +184,41 @@
         }
       )
     end
+
+    it 'fills missing values with defaults when slurm is unavailable' do
+      allow(described_class).to receive(:node_info).and_return(nil)
+      allow(described_class).to receive(:partition_info).and_return(nil)
+      allow(described_class).to receive(:package_info).and_return(nil)
+      allow(described_class).to receive(:gpu_info).and_return(0)
+
+      expect(described_class.all_info).to eq(
+        {
+          nodes: [{ node: 'local', cpus: 4, memory: 5_000 }],
+          partitions: [{ partition: 'default', time_limit: '0-07:00:00', default: true }],
+          packages: [],
+          gpu_total: 0
+        }
+      )
+    end
+  end
+
+  describe '.slurm_available?' do
+    it 'returns true when node and partition info exist' do
+      info = {
+        nodes: [{ node: 'node01', cpus: 4, memory: 8_000 }],
+        partitions: [{ partition: 'default', time_limit: '0-07:00:00', default: true }]
+      }
+
+      expect(described_class.slurm_available?(info)).to be true
+    end
+
+    it 'returns false when node or partition info is missing' do
+      info = {
+        nodes: nil,
+        partitions: nil
+      }
+
+      expect(described_class.slurm_available?(info)).to be false
+    end
   end
 end