diff --git a/lib/network.js b/lib/network.js
index 00d1deb..ed130be 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -337,8 +337,12 @@ function networkInterfaces(callback) {
             echo -n "type: "; cat /sys/class/net/${iface}/type 2>&1;
             echo -n "wireless: "; cat /proc/net/wireless \| grep ${iface};
             echo -n "wirelessspeed: "; iw dev ${iface} link 2>&1 \| grep bitrate; echo;`;
+              let lines = [];
+              try {
+                lines = execSync(cmd).toString().split('\n');
+              } catch (e) {
 
-              let lines = execSync(cmd).toString().split('\n');
+              }
               duplex = util.getValue(lines, 'duplex');
               duplex = duplex.startsWith('cat') ? '' : duplex;
               mtu = parseInt(util.getValue(lines, 'mtu'), 10);
diff --git a/lib/system.js b/lib/system.js
index f044426..75c7a1a 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -57,12 +57,16 @@ function system(callback) {
             echo -n "product_uuid: "; cat /sys/devices/virtual/dmi/id/product_uuid 2>&1;
             echo -n "product_version: "; cat /sys/devices/virtual/dmi/id/product_version 2>&1;
             echo -n "sys_vendor: "; cat /sys/devices/virtual/dmi/id/sys_vendor 2>&1;`;
-          lines = execSync(cmd).toString().split('\n');
-          result.manufacturer = result.manufacturer === '' ? util.getValue(lines, 'sys_vendor') : result.manufacturer;
-          result.model = result.model === '' ? util.getValue(lines, 'product_name') : result.model;
-          result.version = result.version === '' ? util.getValue(lines, 'product_version') : result.version;
-          result.serial = result.serial === '' ? util.getValue(lines, 'product_serial') : result.serial;
-          result.uuid = result.uuid === '' ? util.getValue(lines, 'product_uuid') : result.uuid;
+          try {
+            lines = execSync(cmd).toString().split('\n');
+            result.manufacturer = result.manufacturer === '' ? util.getValue(lines, 'sys_vendor') : result.manufacturer;
+            result.model = result.model === '' ? util.getValue(lines, 'product_name') : result.model;
+            result.version = result.version === '' ? util.getValue(lines, 'product_version') : result.version;
+            result.serial = result.serial === '' ? util.getValue(lines, 'product_serial') : result.serial;
+            result.uuid = result.uuid === '' ? util.getValue(lines, 'product_uuid') : result.uuid;
+          } catch (e) {
+
+          }
           if (!result.serial || result.serial.toLowerCase().indexOf('o.e.m.') !== -1) result.serial = '-';
           if (!result.manufacturer || result.manufacturer.toLowerCase().indexOf('o.e.m.') !== -1) result.manufacturer = '';
           if (!result.model || result.model.toLowerCase().indexOf('o.e.m.') !== -1) result.model = 'Computer';
@@ -260,12 +264,15 @@ function bios(callback) {
           const cmd = `echo -n "bios_date: "; cat /sys/devices/virtual/dmi/id/bios_date 2>&1;
             echo -n "bios_vendor: "; cat /sys/devices/virtual/dmi/id/bios_vendor 2>&1;
             echo -n "bios_version: "; cat /sys/devices/virtual/dmi/id/bios_version 2>&1;`;
-          lines = execSync(cmd).toString().split('\n');
-          result.vendor = !result.vendor ? util.getValue(lines, 'bios_vendor') : result.vendor;
-          result.version = !result.version ? util.getValue(lines, 'bios_version') : result.version;
-          datetime = util.getValue(lines, 'bios_date');
-          result.releaseDate = !result.releaseDate ? util.parseDateTime(datetime).date : result.releaseDate;
+          try {
+            lines = execSync(cmd).toString().split('\n');
+            result.vendor = !result.vendor ? util.getValue(lines, 'bios_vendor') : result.vendor;
+            result.version = !result.version ? util.getValue(lines, 'bios_version') : result.version;
+            datetime = util.getValue(lines, 'bios_date');
+            result.releaseDate = !result.releaseDate ? util.parseDateTime(datetime).date : result.releaseDate;
+          } catch (e) {
 
+          }
           if (callback) { callback(result); }
           resolve(result);
         });
@@ -353,12 +360,16 @@ function baseboard(callback) {
             echo -n "board_serial: "; cat /sys/devices/virtual/dmi/id/board_serial 2>&1;
             echo -n "board_vendor: "; cat /sys/devices/virtual/dmi/id/board_vendor 2>&1;
             echo -n "board_version: "; cat /sys/devices/virtual/dmi/id/board_version 2>&1;`;
-          lines = execSync(cmd).toString().split('\n');
-          result.manufacturer = !result.manufacturer ? util.getValue(lines, 'board_vendor') : result.manufacturer;
-          result.model = !result.model ? util.getValue(lines, 'board_name') : result.model;
-          result.version = !result.version ? util.getValue(lines, 'board_version') : result.version;
-          result.serial = !result.serial ? util.getValue(lines, 'board_serial') : result.serial;
-          result.assetTag = !result.assetTag ? util.getValue(lines, 'board_asset_tag') : result.assetTag;
+          try {
+            lines = execSync(cmd).toString().split('\n');
+            result.manufacturer = !result.manufacturer ? util.getValue(lines, 'board_vendor') : result.manufacturer;
+            result.model = !result.model ? util.getValue(lines, 'board_name') : result.model;
+            result.version = !result.version ? util.getValue(lines, 'board_version') : result.version;
+            result.serial = !result.serial ? util.getValue(lines, 'board_serial') : result.serial;
+            result.assetTag = !result.assetTag ? util.getValue(lines, 'board_asset_tag') : result.assetTag;
+          } catch (e) {
+
+          }
           if (result.serial.toLowerCase().indexOf('o.e.m.') !== -1) result.serial = '-';
           if (result.assetTag.toLowerCase().indexOf('o.e.m.') !== -1) result.assetTag = '-';