Minor improvements for edge centos/ubuntu instruction. css minor updates

application/src/main/data/json/edge/install_instructions/centos/instructions.md

@@ -84,8 +84,8 @@ sudo systemctl enable --now postgresql-12
 {:copy-code}
 ```
 
-Once PostgreSQL is installed you may want to create a new user or set the password for the the main user.
-The instructions below will help to set the password for main postgresql user
+Once PostgreSQL is installed you may want to create a new user or set the password for the main user.
+The instructions below will help to set the password for main PostgreSQL user:
 
 ```text
 sudo su - postgres
@@ -132,7 +132,7 @@ psql -U postgres -d postgres -h 127.0.0.1 -W
 {:copy-code}
 ```
 
-Execute create database statement
+Execute create database statement:
 
 ```bash
 CREATE DATABASE tb_edge;
@@ -148,7 +148,7 @@ wget https://github.com/thingsboard/thingsboard-edge/releases/download/v${TB_EDG
 {:copy-code}
 ```
 
-Go to the download repository and install ThingsBoard Edge service
+Go to the download repository and install ThingsBoard Edge service:
 
 ```bash
 sudo rpm -Uvh tb-edge-${TB_EDGE_VERSION}.rpm
@@ -170,8 +170,7 @@ EOL'
 ```
 
 ##### [Optional] Database Configuration
-In case you changed default PostgreSQL datasource settings please update the configuration file with your actual values (**/etc/tb-edge/conf/tb-edge.conf**).
-Edit ThingsBoard Edge configuration file:
+In case you changed default PostgreSQL datasource settings (**postgres**/**postgres**) please update the configuration file (**/etc/tb-edge/conf/tb-edge.conf**) with your actual values:
 
 ```bash
 sudo nano /etc/tb-edge/conf/tb-edge.conf
@@ -179,12 +178,12 @@ sudo nano /etc/tb-edge/conf/tb-edge.conf
 ```
 
 Please update the following lines in your configuration file. Make sure **to replace**:
-- PUT_YOUR_POSTGRESQL_PASSWORD_HERE with your actual postgres datasource username
-- PUT_YOUR_POSTGRESQL_PASSWORD_HERE with your actual postgres datasource password.
+- Replace 'postgres' with your actual PostgreSQL username;
+- Replace 'PUT_YOUR_POSTGRESQL_PASSWORD_HERE' with your actual PostgreSQL password.
 
 ```bash
 export SPRING_DATASOURCE_URL=jdbc:postgresql://localhost:5432/tb_edge
-export SPRING_DATASOURCE_USERNAME=PUT_YOUR_POSTGRESQL_USERNAME_HERE
+export SPRING_DATASOURCE_USERNAME=postgres
 export SPRING_DATASOURCE_PASSWORD=PUT_YOUR_POSTGRESQL_PASSWORD_HERE
 {:copy-code}
 ```
@@ -204,7 +203,7 @@ EOL'
 {:copy-code}
 ```
 
-Make sure that ports above (18080, 11883, 15683-15688) are not used by any other application.
+Make sure that ports above (18080, 11883, 15683) are not used by any other application.
 
 #### Run installation script
 Once ThingsBoard Edge is installed and configured please execute the following install script:

application/src/main/data/json/edge/install_instructions/ubuntu/instructions.md

@@ -55,7 +55,7 @@ sudo service postgresql start
 ```
 
 Once PostgreSQL is installed you may want to create a new user or set the password for the main user.
-The instructions below will help to set the password for main postgresql user
+The instructions below will help to set the password for main PostgreSQL user:
 
 ```text
 sudo su - postgres
@@ -73,14 +73,14 @@ CREATE DATABASE tb_edge;
 ```
 
 #### Thingsboard Edge service installation
-Download installation package.
+Download installation package:
 
 ```bash
 wget https://github.com/thingsboard/thingsboard-edge/releases/download/v${TB_EDGE_VERSION}/tb-edge-${TB_EDGE_VERSION}.deb
 {:copy-code}
 ```
 
-Go to the download repository and install ThingsBoard Edge service
+Go to the download repository and install ThingsBoard Edge service:
 
 ```bash
 sudo dpkg -i tb-edge-${TB_EDGE_VERSION}.deb
@@ -102,8 +102,7 @@ EOL'
 ```
 
 ##### [Optional] Database Configuration
-In case you changed default PostgreSQL datasource settings please update the configuration file with your actual values (**/etc/tb-edge/conf/tb-edge.conf**).
-Edit ThingsBoard Edge configuration file:
+In case you changed default PostgreSQL datasource settings (**postgres**/**postgres**) please update the configuration file (**/etc/tb-edge/conf/tb-edge.conf**) with your actual values:
 
 ```bash
 sudo nano /etc/tb-edge/conf/tb-edge.conf
@@ -111,12 +110,12 @@ sudo nano /etc/tb-edge/conf/tb-edge.conf
 ```
 
 Please update the following lines in your configuration file. Make sure **to replace**:
-- PUT_YOUR_POSTGRESQL_PASSWORD_HERE with your actual postgres datasource username
-- PUT_YOUR_POSTGRESQL_PASSWORD_HERE with your actual postgres datasource password.
+- Replace 'postgres' with your actual PostgreSQL username;
+- Replace 'PUT_YOUR_POSTGRESQL_PASSWORD_HERE' with your actual PostgreSQL password.
 
 ```bash
 export SPRING_DATASOURCE_URL=jdbc:postgresql://localhost:5432/tb_edge
-export SPRING_DATASOURCE_USERNAME=PUT_YOUR_POSTGRESQL_USERNAME_HERE
+export SPRING_DATASOURCE_USERNAME=postgres
 export SPRING_DATASOURCE_PASSWORD=PUT_YOUR_POSTGRESQL_PASSWORD_HERE
 {:copy-code}
 ```
@@ -136,7 +135,7 @@ EOL'
 {:copy-code}
 ```
 
-Make sure that ports above (18080, 11883, 15683-15688) are not used by any other application.
+Make sure that ports above (18080, 11883, 15683) are not used by any other application.
 
 #### Run installation script
 

ui-ngx/src/app/modules/home/pages/edge/edge-instructions-dialog.component.scss

@@ -69,48 +69,33 @@
 
 :host ::ng-deep {
   .tb-markdown-view {
-    padding: 16px;
-    .tb-command-code {
-      .code-wrapper {
-        padding: 0;
-        pre[class*=language-] {
-          margin: 0;
-          background: #F3F6FA;
-          border-color: #305680;
-          padding-right: 38px;
-          overflow: scroll;
-          padding-bottom: 4px;
-
-          &::-webkit-scrollbar {
-            width: 4px;
-            height: 4px;
-          }
-        }
+    padding: 16px 16px 32px 16px;
+    div.code-wrapper button.clipboard-btn {
+      right: -2px !important;
+      p {
+        color: #305680;
       }
-      button.clipboard-btn {
-        right: -2px;
-        p {
-          color: #305680;
-        }
-        p, div {
-          background-color: #F3F6FA;
+      p, div {
+        background-color: #F3F6FA;
+      }
+      div {
+        img {
+          display: none;
         }
-        div {
-          img {
-            display: none;
-          }
-          &:after {
-            content: "";
-            position: initial;
-            display: block;
-            width: 18px;
-            height: 18px;
-            background: #305680;
-            mask-image: url(/assets/copy-code-icon.svg);
-            mask-repeat: no-repeat;
-          }
+        &:after {
+          content: "";
+          position: initial;
+          display: block;
+          width: 18px;
+          height: 18px;
+          background: #305680;
+          mask-image: url(/assets/copy-code-icon.svg);
+          mask-repeat: no-repeat;
         }
       }
+      &.multiline {
+        right: -2px !important;
+      }
     }
     & > *:not(ul) {
       padding-right: unset !important;