diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 1ec06f8..975817e 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -7800,6 +7800,11 @@
         "clipboard": "^2.0.0"
       }
     },
+    "vue-cookies": {
+      "version": "1.7.4",
+      "resolved": "https://registry.npmjs.org/vue-cookies/-/vue-cookies-1.7.4.tgz",
+      "integrity": "sha512-mOS5Btr8V9zvAtkmQ7/TfqJIropOx7etDAgBywPCmHjvfJl2gFbH2XgoMghleLoyyMTi5eaJss0mPN7arMoslA=="
+    },
     "vue-good-table": {
       "version": "2.21.1",
       "resolved": "https://registry.npmjs.org/vue-good-table/-/vue-good-table-2.21.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index df88b85..ca0b2fa 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -13,6 +13,7 @@
     "axios": "^0.19.2",
     "vue": "^2.6.12",
     "vue-clipboard2": "^0.2.1",
+    "vue-cookies": "^1.7.4",
     "vue-good-table": "^2.21.1"
   },
   "browserslist": [
diff --git a/frontend/src/main.js b/frontend/src/main.js
index b881fb6..baa1696 100644
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@@ -1,5 +1,6 @@
 import Vue from 'vue';
 import axios from 'axios';
+import VueCookies from 'vue-cookies'
 import VueClipboard from 'vue-clipboard2'
 import VueGoodTablePlugin from 'vue-good-table'
 
@@ -7,6 +8,7 @@ import 'vue-good-table/dist/vue-good-table.css'
 
 Vue.use(VueClipboard)
 Vue.use(VueGoodTablePlugin)
+Vue.use(VueCookies)
 
 var axios_cfg = function(url, data='', type='form') {
   if (data == '') {
@@ -109,7 +111,7 @@ new Vue({
       }
     ],
     filters: {
-      hide_revoked: true
+      hideRevoked: true,
     },
     u: {
       newUserName: '',
@@ -132,10 +134,16 @@ new Vue({
   watch: {
   },
   mounted: function () {
-    this.u_get_data()
+    this.u_get_data();
+    this.filters.hideRevoked = this.$cookies.isKey('hideRevoked') ? (this.$cookies.get('hideRevoked') == "true") : false
   },
   created() {
-    var _this = this
+    var _this = this;
+
+//    if (!_this.$cookies.isKey('hideRevoked')) {
+//      _this.$cookies.set('hideRevoked', true, -1);
+//    }
+
     _this.$root.$on('u-revoke', function (msg) {
       var data = new URLSearchParams();
       data.append('username', _this.username);
@@ -209,15 +217,16 @@ new Vue({
     modalShowCcdDisplay: function () {
       return this.u.modalShowCcdVisible ? {display: 'flex'} : {}
     },
+    revokeFilterText: function() {
+      return this.filters.hideRevoked ? "Show revoked" : "Hide revoked"
+    },
     filteredRows: function() {
-      var _this = this;
-
-      if(_this.filters.hide_revoked) {
-        return _this.rows.filter(function(account) {
+      if (this.filters.hideRevoked) {
+        return this.rows.filter(function(account) {
           return account.AccountStatus === "Active";
         });
       } else {
-        return _this.rows;
+        return this.rows;
       }
     }
 
diff --git a/frontend/static/index.html b/frontend/static/index.html
index a79406f..0685972 100644
--- a/frontend/static/index.html
+++ b/frontend/static/index.html
@@ -17,8 +17,7 @@
     :search-options="{ enabled: true}" >
     <div slot="table-actions">
       <button type="button" class="btn btn-sm btn-success el-square" v-on:click.stop="u.modalNewUserVisible=true">Add user</button>
-      <button type="button" class="btn btn-sm btn-secondary el-square" v-on:click.stop="filters.hide_revoked=!filters.hide_revoked" v-show="filters.hide_revoked">Show revoked</button>
-      <button type="button" class="btn btn-sm btn-secondary el-square" v-on:click.stop="filters.hide_revoked=!filters.hide_revoked" v-show="!filters.hide_revoked">Hide revoked</button>
+      <button type="button" class="btn btn-sm btn-secondary el-square" v-on:click.stop="filters.hideRevoked=!filters.hideRevoked;this.$cookies.set('hideRevoked',!(this.$cookies.get('hideRevoked') == 'true'), -1);">{{ revokeFilterText }}</button>
     </div>
     <div slot="emptystate" class="d-flex justify-content-center">
       <h4>No users have been created yet.</h4>
diff --git a/main.go b/main.go
index da850bf..aecceb5 100644
--- a/main.go
+++ b/main.go
@@ -397,14 +397,21 @@ func usersList() []openvpnClient {
 }
 
 func userCreate(username string) (bool, string) {
+    ucErr := ""
     // TODO: add password for user cert . priority=low
 	if validateUsername(username) == false {
-		fmt.Printf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp)
-		return false, fmt.Sprintf("Username \"%s\" incorrect, you can use only %s", username, usernameRegexp)
+		ucErr = fmt.Sprintf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp)
+        if *debug {
+            log.Printf("ERROR: userCreate: %s", ucErr)
+        }
+		return false, ucErr
 	}
 	if checkUserExist(username) {
-		fmt.Printf("User \"%s\" already exists\n", username)
-		return false, fmt.Sprintf("User \"%s\" already exists", username)
+		ucErr = fmt.Sprintf("User \"%s\" already exists\n", username)
+        if *debug {
+            log.Printf("ERROR: userCreate: %s", ucErr)
+        }
+		return false, ucErr
 	}
 	o := runBash(fmt.Sprintf("date +%%Y-%%m-%%d\\ %%H:%%M:%%S && cd %s && easyrsa build-client-full %s nopass", *easyrsaDirPath, username))
 	fmt.Println(o)