diff --git a/app/modules/server/server.py b/app/modules/server/server.py
index 3c4d493e..cba04670 100644
--- a/app/modules/server/server.py
+++ b/app/modules/server/server.py
@@ -62,6 +62,19 @@ def subprocess_execute(cmd):
 	return output, stderr
 
 
+def subprocess_execute_with_rc(cmd):
+	import subprocess
+
+	p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True, universal_newlines=True)
+	stdout, stderr = p.communicate()
+	output = stdout.splitlines()
+	rc = p.returncode
+
+	return_out = {'output': output, 'error': stderr, 'rc': rc}
+
+	return return_out
+
+
 def is_file_exists(server_ip: str, file: str) -> bool:
 	cmd = [f'[ -f {file} ] && echo yes || echo no']
 
@@ -110,8 +123,8 @@ def get_system_info(server_ip: str) -> str:
 	except Exception as e:
 		raise e
 
-	if 'command not found' in sys_info_returned:
-		raise Exception(f' You should install lshw on the server {server_ip}. Update System info after installation.')
+	if 'not found' in sys_info_returned:
+		raise Exception(f'You should install lshw on the server {server_ip}. Update System info after installation.')
 
 	try:
 		os_info = ssh_command(server_ip, command1)
diff --git a/app/modules/server/ssh.py b/app/modules/server/ssh.py
index 4df70bea..52396cb7 100644
--- a/app/modules/server/ssh.py
+++ b/app/modules/server/ssh.py
@@ -95,6 +95,10 @@ def upload_ssh_key(name: str, user_group: str, key: str) -> bool:
 		print('error: nice try')
 		return False
 
+	if name == '':
+		print('error: please select credentials first')
+		return False
+
 	try:
 		key = paramiko.pkey.load_private_key(key)
 	except Exception as e:
diff --git a/app/modules/service/common.py b/app/modules/service/common.py
index 82e58051..ac0c1e1b 100644
--- a/app/modules/service/common.py
+++ b/app/modules/service/common.py
@@ -276,6 +276,7 @@ def get_stat_page(server_ip: str, service: str) -> None:
 
 	data = response.content
 	if service == 'nginx':
+		lang = roxywi_common.get_user_lang()
 		env = Environment(loader=FileSystemLoader('templates/'), autoescape=True)
 		template = env.get_template('ajax/nginx_stats.html')
 
@@ -287,7 +288,7 @@ def get_stat_page(server_ip: str, service: str) -> None:
 		h = (out1,)
 		servers_with_status.append(h)
 
-		template = template.render(out=servers_with_status)
+		template = template.render(out=servers_with_status, lang=lang)
 		print(template)
 	else:
 		print(data.decode('utf-8'))
diff --git a/app/modules/service/installation.py b/app/modules/service/installation.py
index 446e73f8..23991f78 100644
--- a/app/modules/service/installation.py
+++ b/app/modules/service/installation.py
@@ -10,21 +10,22 @@ from modules.server.ssh import return_ssh_keys_path
 form = common.form
 
 
-def show_installation_output(error: str, output: str, service: str) -> bool:
+def show_installation_output(error: str, output: str, service: str, rc=0) -> bool:
 	if error and "WARNING" not in error:
 		roxywi_common.logging('Roxy-WI server', error, roxywi=1)
 		print('error: ' + error)
 		return False
 	else:
-		for line in output:
-			if any(s in line for s in ("Traceback", "FAILED", "error", "ERROR", "UNREACHABLE")):
-				try:
-					correct_out = line.split('=>')
-					print(f'error: {correct_out[1]}')
-					break
-				except Exception:
-					print(output)
-					break
+		if rc != 0:
+			for line in output:
+				if any(s in line for s in ("Traceback", "FAILED", "error", "ERROR", "UNREACHABLE")):
+					try:
+						correct_out = line.split('=>')
+						print(f'error: {correct_out[1]}')
+						break
+					except Exception:
+						print(output)
+						break
 		else:
 			from jinja2 import Environment, FileSystemLoader
 			env = Environment(loader=FileSystemLoader('templates/'), autoescape=True)
@@ -70,13 +71,14 @@ def install_haproxy(server_ip: str, **kwargs):
 		f"KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
 	if server_for_installing:
 		service = server_for_installing + ' HAProxy'
 	else:
 		service = ' HAProxy'
 
-	if show_installation_output(error, output, service):
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
+
+	if show_installation_output(return_out['error'], return_out['output'], service, rc=return_out['rc']):
 		sql.update_haproxy(server_ip)
 
 	if docker == '1':
@@ -107,9 +109,9 @@ def waf_install(server_ip: str):
 		f"KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
-	if show_installation_output(error, output, service):
+	if show_installation_output(return_out['error'], return_out['output'], service, rc=return_out['rc']):
 		sql.insert_waf_metrics_enable(server_ip, "0")
 		sql.insert_waf_rules(server_ip)
 
@@ -134,9 +136,9 @@ def waf_nginx_install(server_ip: str):
 		f"HOST={server_ip} USER={ssh_settings['user']} PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
-	if show_installation_output(error, output, service):
+	if show_installation_output(return_out['error'], return_out['output'], service, rc=return_out['rc']):
 		sql.insert_nginx_waf_rules(server_ip)
 		sql.insert_waf_nginx_server(server_ip)
 
@@ -183,7 +185,7 @@ def install_service(server_ip: str, service: str, docker: str, **kwargs) -> None
 	if server_for_installing:
 		service_name = f'{server_for_installing} {service.title()}'
 	else:
-		service_name = service.title
+		service_name = service.title()
 
 	if show_installation_output(error, output, service_name):
 		if service == 'nginx':
@@ -226,10 +228,9 @@ def geoip_installation():
 		f"PASS={ssh_settings['password']} KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
-
-	show_installation_output(error, output, 'GeoLite2 Database')
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
+	show_installation_output(return_out['error'], return_out['output'], 'GeoLite2 Database', rc=return_out['rc'])
 	os.remove(script)
 
 
@@ -296,9 +297,9 @@ def keepalived_master_install():
 		f"USER={ssh_settings['user']} PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
-	if show_installation_output(error, output, 'master Keepalived'):
+	if show_installation_output(return_out['error'], return_out['output'], 'master Keepalived', rc=return_out['rc']):
 		sql.update_keepalived(master)
 
 		if virt_server != '0':
@@ -340,10 +341,9 @@ def keepalived_slave_install():
 		f"NGINX={nginx} HOST={slave} USER={ssh_settings['user']} PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
-
-	show_installation_output(error, output, 'slave Keepalived')
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
+	show_installation_output(return_out['error'], return_out['output'], 'slave Keepalived', rc=return_out['rc'])
 	os.remove(script)
 	sql.update_server_master(master, slave)
 	sql.update_keepalived(slave)
@@ -375,9 +375,9 @@ def keepalived_masteradd():
 		f"PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
 
-	show_installation_output(error, output, 'master VRRP address')
+	show_installation_output(return_out['error'], return_out['output'], 'master VRRP address', rc=return_out['rc'])
 	os.remove(script)
 
 
@@ -405,8 +405,6 @@ def keepalived_slaveadd():
 		f"router_id={router_id} USER={ssh_settings['user']} PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
 	]
 
-	output, error = server_mod.subprocess_execute(commands[0])
-
-	show_installation_output(error, output, 'slave VRRP address')
-
+	return_out = server_mod.subprocess_execute_with_rc(commands[0])
+	show_installation_output(return_out['error'], return_out['output'], 'slave VRRP address', rc=return_out['rc'])
 	os.remove(script)
diff --git a/app/scripts/ansible/roles/keepalived/templates/add_vrrp.conf.j2 b/app/scripts/ansible/roles/keepalived/templates/add_vrrp.conf.j2
index 2303a8f0..ed1905de 100644
--- a/app/scripts/ansible/roles/keepalived/templates/add_vrrp.conf.j2
+++ b/app/scripts/ansible/roles/keepalived/templates/add_vrrp.conf.j2
@@ -1,7 +1,9 @@
 vrrp_instance VI_{{IP}} {
 	state {{MASTER}}
 	interface {% if MASTER == 'MASTER' %}{{ETH}} {% else %} {{ETH_SLAVE}} {% endif %}
+
 	virtual_router_id {{ router_id }}
+
 	priority {% if RETURN_TO_MASTER == 1 and MASTER == 'MASTER' %}152{% elif MASTER == 'MASTER' and RETURN_TO_MASTER == 0 %}102{% else %}101{%endif%}
 
 	track_script {
diff --git a/app/scripts/ansible/roles/keepalived_exporter/tasks/preflight.yml b/app/scripts/ansible/roles/keepalived_exporter/tasks/preflight.yml
index 78e9440b..4b85aa1b 100644
--- a/app/scripts/ansible/roles/keepalived_exporter/tasks/preflight.yml
+++ b/app/scripts/ansible/roles/keepalived_exporter/tasks/preflight.yml
@@ -37,8 +37,6 @@
 
 - name: Gather currently installed keepalived_exporter version (if any)
   command: "{{ keepalived_exporter_binary_install_dir }}/keepalived_exporter --version"
-  args:
-    warn: false
   changed_when: false
   register: __keepalived_exporter_current_version_output
   check_mode: false
diff --git a/app/scripts/ansible/roles/node_exporter/tasks/preflight.yml b/app/scripts/ansible/roles/node_exporter/tasks/preflight.yml
index aff6395d..754ebcdf 100644
--- a/app/scripts/ansible/roles/node_exporter/tasks/preflight.yml
+++ b/app/scripts/ansible/roles/node_exporter/tasks/preflight.yml
@@ -61,8 +61,6 @@
 
 - name: Gather currently installed node_exporter version (if any)
   command: "{{ _node_exporter_binary_install_dir }}/node_exporter --version"
-  args:
-    warn: false
   changed_when: false
   register: __node_exporter_current_version_output
   check_mode: false
diff --git a/app/scripts/ansible/roles/waf/tasks/main.yml b/app/scripts/ansible/roles/waf/tasks/main.yml
index de985e25..9a753170 100644
--- a/app/scripts/ansible/roles/waf/tasks/main.yml
+++ b/app/scripts/ansible/roles/waf/tasks/main.yml
@@ -59,7 +59,7 @@
         state: latest
       when:
         - ansible_facts['os_family'] == "RedHat" or ansible_facts['os_family'] == 'CentOS'
-        - ansible_facts['distribution_major_version'] == '8'
+        - ansible_facts['distribution_major_version'] == '9'
       environment:
         http_proxy: "{{PROXY}}"
         https_proxy: "{{PROXY}}"
diff --git a/app/templates/ajax/nginx_stats.html b/app/templates/ajax/nginx_stats.html
index 9a2faffc..e906be9c 100644
--- a/app/templates/ajax/nginx_stats.html
+++ b/app/templates/ajax/nginx_stats.html
@@ -1,3 +1,4 @@
+{% import 'languages/'+lang|default('en')+'.html' as lang %}
 <style>
 body { font-family: arial, helvetica, sans-serif; font-size: 12px; font-weight: normal; color: black; background: white;}
 th,td { font-size: 10px; }
@@ -60,15 +61,15 @@ div.tips {
 u:hover div.tips {visibility:visible;}
 </style>
 	{% for l in out %}
-	<table class="tbl" width="100%">
+	<table class="tbl">
 		<tr class="titre">
 			<th class="pxname" style="background-color: rgb(93, 156, 235); width: 100%; padding-top: 4px; padding-bottom: 4px; border-color: rgb(221, 221, 221);">
 				<a name="status">
-				<a class="px" href="#stats" style="color: rgb(255, 255, 255);">NGINX status</a>
+				<a class="px" href="#stats" style="color: rgb(255, 255, 255);">NGINX {{lang.words.status}}</a>
 			</th>
 		</tr>
 	</table>
-	<table class="tbl" width="100%">
+	<table class="tbl">
 	<tr class="titre">
 		<th style="background-color: rgb(245, 250, 244); padding-top: 4px; padding-bottom: 4px; border-color: rgb(221, 221, 221); width: 15%;">
 			{{l.0.0}} {{l.0.1}} 
@@ -116,7 +117,7 @@ u:hover div.tips {visibility:visible;}
 		</td>
 	</tr>
 	</table>
-	<div class="add-note addName alert-info" style="width: inherit; margin-right: 15px;">
-		You can read the description about statuses <a href="https://roxy-wi.org/description.py?description=nginx_status" title="NGINX status page description" target="_blank">here</a>
+	<div class="add-note addName alert-info" style="width: inherit; margin-left: 0;">
+		{{lang.phrases.read_desc_statuses}} <a href="https://roxy-wi.org/description/nginx_status" title="NGINX status page description" class="link" target="_blank">{{lang.words.here}}</a>
 	</div>
 	{% endfor %}
diff --git a/app/templates/include/intro/ovw.html b/app/templates/include/intro/ovw.html
index 0548acd5..c540c402 100644
--- a/app/templates/include/intro/ovw.html
+++ b/app/templates/include/intro/ovw.html
@@ -28,6 +28,7 @@
                     title: "Dashboard #3",
 					intro: "Roxy-WI services status",
 				},
+                {% if role == 1 %}
 				{
 					element: document.querySelector('#overview-users'),
                     title: "Dashboard #4",
@@ -39,14 +40,30 @@
 					intro: "Group list",
 				},
 				{
-					element: document.querySelector('#overview-logs'),
+					element: document.querySelector('#overview-roles'),
                     title: "Dashboard #6",
+					intro: "Roles description",
+				},
+                {% endif %}
+                {% if role < 3 %}
+                    {% if role > 1 %}
+                        {% set board_id = 4 %}
+                    {% else %}
+                        {% set board_id = 7 %}
+                    {% endif %}
+				{
+					element: document.querySelector('#overview-logs'),
+                    title: "Dashboard #{{ board_id }}",
 					intro: "Last log entries",
 				},
+                {% endif %}
+                {% if role == 1 %}
 				{
 					element: document.querySelector('#overview-subs'),
+                    title: "Dashboard #8",
 					intro: "Subscription info",
 				},
+                {% endif %}
 				{
 					element: document.querySelector('#version'),
 					intro: "Your Roxy-WI version",
diff --git a/app/templates/languages/en.html b/app/templates/languages/en.html
index 04754fa9..778bf255 100644
--- a/app/templates/languages/en.html
+++ b/app/templates/languages/en.html
@@ -298,6 +298,8 @@
     "comparing_config": "Comparing config files",
     "select_older_config": "Select an older config",
     "select_newer_config": "Select a newer config",
+    "not_checked": "Without check",
+    "show_not_checked": "Show servers without checking",
     }
 %}
 {% set roles = {
@@ -400,7 +402,7 @@
         "before_install": "Before installing any exporters, first install",
         "been_installed": "servers have been installed",
         "there_are_no": "There are no Grafana and Prometheus servers",
-        "country_codes": "country codes",
+        "country_codes": "Country codes",
         "smon_desc": "SMON stands for <b>S</b>imple <b>MON</b>itoring",
         "checker_desc": "Checker is designed for monitoring HAProxy, Nginx, Apache and Keepalived services as well as HAProxy backends and maxconn",
         "auto_start_desc": "The Auto Start service allows to restart the HAProxy, NGINX, Apache and Keepalived services if they are down",
@@ -440,6 +442,7 @@
         "BODY_FAILURE": "BODY FAILURE",
         "UNKNOWN": "UNKNOWN",
         "PORT_DOWN": "PORT DOWN",
+        "DISABLED": "DISABLED",
         }
     }
 %}
@@ -550,7 +553,7 @@
     "role": "role",
     "roles": "roles",
     "subs": "subscription",
-    "show_all": "show all",
+    "show_all": "Show all",
     "plan": "plan",
     "pay_method": "pay method",
     "active": "active",
@@ -828,5 +831,7 @@
     "additions": "additions",
     "deletions": "deletions",
     "recent": "recent",
+    "already": "already",
+    "disable": "disable",
     }
 %}
diff --git a/app/templates/languages/fr.html b/app/templates/languages/fr.html
index 1f06eafe..eca1bd89 100644
--- a/app/templates/languages/fr.html
+++ b/app/templates/languages/fr.html
@@ -298,6 +298,8 @@
     "comparing_config": "Comparer les fichiers de configuration",
     "select_older_config": "Sélectionnez une ancienne configuration",
     "select_newer_config": "Sélectionnez une configuration plus récente",
+    "not_checked": "Sans chèque",
+    "show_not_checked": "Afficher les serveurs sans vérifier",
     }
 %}
 {% set roles = {
@@ -400,7 +402,7 @@
         "before_install": "Avant d\'installer l\'Exporter, installez le d\'abord",
         "been_installed": "les serveurs ont été installés",
         "there_are_no": "Il n\'y a pas de serveurs Grafana ni Prometheus.",
-        "country_codes": "codes des pays",
+        "country_codes": "Сodes des pays",
         "smon_desc": "SMON stands for <b>S</b>imple <b>MON</b>itoring",
         "checker_desc": "Checker est conçu pour surveiller les services HAProxy, Nginx, Apache et Keepalived ainsi que les backends HAProxy et maxconn.",
         "auto_start_desc": "Le service Auto Start permet de redémarrer les services HAProxy, NGINX, Apache et Keepalived s\'ils sont hors service.",
@@ -440,6 +442,7 @@
         "BODY_FAILURE": " DÉFAILLANCE DU CORPS",
         "UNKNOWN": "INCONNU",
         "PORT_DOWN": "PORT DOWN",
+        "DISABLED": "DÉSACTIVÉ",
         }
     }
 %}
@@ -550,7 +553,7 @@
     "role": "rôle",
     "roles": "rôles",
     "subs": "abonnement",
-    "show_all": "tout afficher",
+    "show_all": "Tout afficher",
     "plan": "plan",
     "pay_method": "méthode de paiement",
     "active": "actif",
@@ -828,5 +831,7 @@
     "additions": "ajouts",
     "deletions": "suppressions",
     "recent": "récent",
+    "already": "déjà",
+    "disable": "désactiver",
     }
 %}
diff --git a/app/templates/languages/pt-br.html b/app/templates/languages/pt-br.html
index c2667dd9..855ba004 100644
--- a/app/templates/languages/pt-br.html
+++ b/app/templates/languages/pt-br.html
@@ -298,6 +298,8 @@
     "comparing_config": "Comparando arquivos de configuração",
     "select_older_config": "Selecione uma configuração mais antiga",
     "select_newer_config": "Selecione uma configuração mais nova",
+    "not_checked": "Sem cheque",
+    "show_not_checked": "Mostrar servidores sem verificar",
     }
 %}
 {% set roles = {
@@ -400,7 +402,7 @@
         "before_install": "Antes de instalar exportadores, primeiro instale",
         "been_installed": "servidores instalados",
         "there_are_no": "Não há servidores Grafana e Prometheus",
-        "country_codes": "códigos de país",
+        "country_codes": "Códigos de país",
         "smon_desc": "SMON significa <b>S</b>imple <b>MON</b>itoring",
         "checker_desc": "O Checker foi projetado para monitorar serviços HAProxy, Nginx, Apache e Keepalived, bem como backends HAProxy e maxconn",
         "auto_start_desc": "O serviços Auto Start permite reiniciar os serviços HAProxy, NGINX, Apache e Keepalived se estiverem inoperantes",
@@ -440,6 +442,7 @@
         "BODY_FAILURE": "BODY FAILURE",
         "UNKNOWN": "UNKNOWN",
         "PORT_DOWN": "PORT DOWN",
+        "DISABLED": "DESABIL.",
         }
     }
 %}
@@ -550,7 +553,7 @@
     "role": "função",
     "roles": "funções",
     "subs": "inscrição",
-    "show_all": "mostrar tudo",
+    "show_all": "Mostrar tudo",
     "plan": "plan",
     "pay_method": "método de pagamento.",
     "active": "ativo",
@@ -827,6 +830,8 @@
     "send": "enviar",
     "additions": "adicionados",
     "deletions": "apagados",
-    "recent": "recente"
+    "recent": "recente",
+    "already": "já",
+    "disable": "desabilitar",
     }
 %}
diff --git a/app/templates/languages/ru.html b/app/templates/languages/ru.html
index 5625304b..0eb3df0e 100644
--- a/app/templates/languages/ru.html
+++ b/app/templates/languages/ru.html
@@ -298,6 +298,8 @@
     "comparing_config": "Сравнение файлов конфигурации",
     "select_older_config": "Выберите более старую конфигурацию",
     "select_newer_config": "Выберите более новую конфигурацию",
+    "not_checked": "Без проверки",
+    "show_not_checked": "Показать сервера без проверки",
     }
 %}
 {% set roles = {
@@ -400,7 +402,7 @@
         "before_install": "Прежде чем устанавливать какие-либо экспортеры, сначала установите",
         "been_installed": "сервера были установлены",
         "there_are_no": "Нет серверов Grafana и Prometheus",
-        "country_codes": "коды стран",
+        "country_codes": "Коды стран",
         "smon_desc": "SMON означает <b>S</b>простой <b>MON</b>иторинг.",
         "checker_desc": "Checker предназначен для мониторинга сервисов HAProxy, Nginx, Apache и Keepalived, а также бэкендов HAProxy и maxconn.",
         "auto_start_desc": "Служба автозапуска позволяет перезапустить службы HAProxy, NGINX, Apache и Keepalived, если они не работают.",
@@ -422,7 +424,7 @@
         "smon_is_not_run": "SMON сервис не запущен.",
         "run_smon": "Запустить сервис SMON",
         "not_installed": "Вы еще не установили сервис SMON",
-        "not_added": "Вы еще не добавили сервера в SMON",
+        "not_added": "Вы еще не добавили серверы в SMON",
         "create_server": "Создайте Ваш первый сервер",
         "see_check": "чтобы посмотреть проверки, которые были добавлены",
         "do_not_sort": "Не сортировать",
@@ -440,6 +442,7 @@
         "BODY_FAILURE": "ОШИБКА ТЕЛА",
         "UNKNOWN": "НЕИЗВЕСТНО",
         "PORT_DOWN": "ПОРТ НЕ ДОСТ.",
+        "DISABLED": "ОТКЛ.",
         }
     }
 %}
@@ -506,7 +509,7 @@
     "users": "пользователи",
     "users2": "пользователями",
     "username": "пользователь",
-    "servers": "сервера",
+    "servers": "серверы",
     "servers2": "серверами",
     "creds": "учетные данные",
     "creds2": "учетными данными",
@@ -550,7 +553,7 @@
     "role": "роль",
     "roles": "роли",
     "subs": "подписка",
-    "show_all": "показать все",
+    "show_all": "Показать все",
     "plan": "план",
     "pay_method": "платежный метод",
     "active": "активный",
@@ -654,7 +657,7 @@
     "every": "каждых",
     "every2": "каждую",
     "every3": "каждый",
-    "hide": "убрать",
+    "hide": "скрыть",
     "average": "Среднее количество",
     "peak": "пиковые",
     "connect": "подключиться",
@@ -828,5 +831,7 @@
     "additions": "дополнения",
     "deletions": "удаления",
     "recent": "недавние",
+    "already": "уже",
+    "disable": "отключить",
     }
 %}