Email Program Classifications", Collapse section "15.2. Understanding the Samba Security Modes, 16.1.4. Ensuring That kdump Is Installed and Enabled after the Installation Process, 1.9. Managing Network Connections After the Installation Process Using nmcli, 1.2.3. Scheduling a Job to Run on System Load Drop Using batch, 24.5. Configuring Net-SNMP", Expand section "21.7.4. Enabling or Disabling the Services, 1.5.3. Making systemd Services Start at Boot Time, 1.5.1. 2. Reinstalling GRUB 2 on UEFI-Based Machines, 26.7.3. Which language's style guidelines should be used when writing code that is supposed to be called from another language? TigerVNC has been installed. Go to the Start menu > TigerVNC 64-bit > Configure VNC Service. UEFI Secure Boot Support in Red Hat Enterprise Linux 7, 27.2. I missed that. Moderated announcement list for new releases and other important Starting Multiple Copies of vsftpd, 16.2.2.3. Install VNC Server - Oracle Configure Rate Limiting Access to an NTP Service, 19.17.5. Passing negative parameters to a wolframscript. TigerVNC was originally based on the (never-released) VNC 4 branch of Additional Resources", Expand section "19. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Check you are on a private network at home (not a public network). Using the New Configuration Format", Collapse section "23.3. Enabling the User Shares Feature, 16.1.6.4.3. After restarting, I have the TigerVNC icon in my system tray on Windows 10. Mail User Agents", Expand section "15.5.1. A configuration file named /etc/systemd/system/vncserver@.service is required. Ensuring the Appropriate State of SELinux", Collapse section "1.6.2. Registering the Red Hat Support Tool Using the Command Line, 8.3. Retrieving Performance Data over SNMP, 21.7.4.3. Using Postfix with LDAP", Expand section "15.4. So I figured I could use WSL (my Windows is up to date, so I assume that means WSL2, but I did first install WSL 3 years ago) to emulate a linux machine on my Windows, but things aren't working successfully. Working with Queues in Rsyslog", Expand section "23.5. Installing ABRT and Starting its Services, 25.2.2. To make the communication secure, you can encrypt your server-client connection by using the -via option. Alternatively, you can operate vncviewer through the terminal. Configuring Net-SNMP", Collapse section "21.7.3. The Policies Page", Expand section "17.1.1. In the task bar (bottom right), choose the up arrow to show more task icons, then right click on the TigerVNC icon and choose Options Under Authentication choose Configure and type your From the Start menu type and choose Firewall and network protection Understanding the chrony Configuration Commands, 18.3.5. The Xvnc configuration steps mentioned in this article do not work for RHEL 8.3 and above release. Registering the System and Managing Subscriptions", Collapse section "7. Thanks for any help. Configuring Yum and Yum Repositories", Expand section "9.5.6. ), consider saving to a location that isn't synced or backed up. There are many ways of getting a "real" certificate and not all requires the server to be publically accessible. I'll post these instructions on the wiki once I get a secure connection working. Since the key components aren't bound to Ubuntu or GNOME, you can use your favorite distro and GUI. The key component we need to install is tigervnc-standalone-server. Retrieving Performance Data over SNMP", Expand section "21.7.5. I'm getting "Authentication failure: authentication failure: Error loading X509 certificate or key". Might also need to open up port 5900 in the Windows firewall as well. Windows Server RDS User Auditing, login, logout, session disconnects, Microarchitectural Data Sampling (MDS) Vulnerability in computers with Intel CPU, Private Cloud Email Server with Data Retention for the smart business, OSX bad interpreter: Operation not permitted, Email Server Enable SpamAssassin site wide with add-ons Razor, Pyzor and DCC. Then choose. Configure the Firewall for HTTP and HTTPS Using the Command Line", Expand section "15.1.1. To learn more, see our tips on writing great answers. The Different ID Mapping Back Ends", Collapse section "16.1.5.4. Using the samba-regedit Application, 16.1.9.5.1. Any more questions can be handled on the mailing list, and the wiki can be updated if someone has more improvements to add. A lightweight and easy-to-use password manager, A free file archiver for extremely high compression, The free and Open Source productivity suite, A partition and disk imaging/cloning program. Assorted documentation about TigerVNC and development can be found in Configuring Spam Filtering in a Mail Transport Agent, 15.6.1.2. Configuring NTP Using the chrony Suite, 18.1.1. sudo apt install tigervnc-viewer. This will create an SSH tunnel between the VNC server and the client. windows 10 - Setting up TigerVNC viewer in WSL - Super User Adapt if you are using a 3rd-party firewall. Managing User Accounts in web console, 1.8. Checking for Driver and Hardware Support, 20.2.3.1. Here are a few steps to try to locate the problem. You seem to have CSS turned off. Note that these changes will not persist after the next system start. sudo systemctl enable --now vncserver@:2 Remote Desktop Connection via VNC Any VNC client application can be used to connect. GitHub blocks most GitHub Wikis from search engines. I was able to solve this with 2 slight modifications to the above described method. Registering a System to EUS Content, 1.3.5. This is the most jerry rigged setup I've ever used to date, but at least it works and it's all with FOSS, so it should be dependable for years to come. External Certificate Authorities issue certificates for public domain names but not local network IP addresses. If you have VNC software besides TigerVNC running, close or uninstall it. Configuring File Shares on a Samba Server", Collapse section "16.1.6. Configuring the MariaDB server for networking, 18. How Do I Install Tigervnc On Windows? Configuring GRUB 2 for a single boot, 26.9.2. Managing Users and Groups", Collapse section "4. Running the httpd Service", Collapse section "14.1.3. Click "Yes" at the User Account Control windows Click "Next" at the setup windows. Customizing the GRUB 2 Configuration File", Collapse section "26.5. Frequently Used Samba Command-line Utilities", Expand section "16.1.9.1. Differences Between ntpd and chronyd, 18.2. Installing ABRT and Starting its Services", Collapse section "25.3. yes, the machine has been rebooted. Click START > Scroll down to the TigerVNC section >Click Configure VNC Server, Add Password > Click Configure > Type a new password (8+ alpha-numeric characters), Connections tab > Disable Java viewer on port 5800, Click START > Type firewall > Click Windows Defender firewall, Port type: TCP, 5900 5901, click Next, Allow for networks Domain, Private not Public. TigerVNC works on the client-server network: a server shares its output ( vncserver) and a client ( vncviewer) connects to the server. Managing Services with systemd", Collapse section "10. (Make sure you choose "Service" not "Server"). Configuring a System for Accessibility", Collapse section "11. Basic Configuration of Rsyslog", Expand section "23.3. Enter the IP address of your DietPi device, e.g. Good to hear you resolved this. When using a non-encrypted connection, firewalld might block the connection. Setting up Automatic Printer Driver Downloads for Windows Clients, 16.1.7.4.1. Here are a few steps to try to locate the problem. Controlling Access to At and Batch, 24.4. The instructions do this. Starting VNC Server", Collapse section "13.1.3. To start TightVNC Server as a service, click:Start->Programs->TightVNC->TightVNC Server (Service Mode)->Start TightVNC Serviceor type in the command line: net start tvnserver For operating the vncviewer, there is a pop-up menu containing entries which perform various actions such as switching in and out of full-screen mode or quitting the viewer. Ensuring the Firewall Is Enabled and Running", Expand section "1.6.2. Monitoring Performance with Net-SNMP, 21.7.4. Viewing Block Devices and File Systems, 21.7. Tuning the Performance of a Samba Server, 16.1.8.1. Using the Log Files to Troubleshoot Problems", Expand section "1.11. Making statements based on opinion; back them up with references or personal experience. Event Sequence of an SSH Connection", Expand section "12.2. Configuring a System for Accessibility, 11.2. I believe the password for the login page requested is the TigerVNC password, but I don't have any definite proof of this still. The SSH Protocol", Expand section "12.1.4. found here. Configure the Firewall for HTTP and HTTPS Using the Command Line, 14.1.12.1. Using the net ads join and net rpc join Commands, 16.1.9.1.2. Setting Default Permissions for New Files Using umask", Collapse section "4.3.5. Configuring Spam Filtering for Mail Transport Agent or Mail Delivery Agent", Expand section "15.7. For more information on using SSH, see Chapter12, OpenSSH. Click:Start->Programs->TightVNC->TightVNC Server (Service Mode)->Register TightVNC Service. Probably a combination of my noobness and lack Connecting to a VNC Server Using a GUI Performing System Rescue and Creating System Backup with ReaR, 1.9.1. Everything else can be found at https://tigervnc.org. GitHub release If there is an issue you'd really like to get fixed, or if you're a Additional Resources", Collapse section "19.20. If someone could help me figure out how to make this happen, I'd appreciate it tremendously. <. for 64-bit and 32-bit Linux, installers for 64-bit and 32-bit Windows and Make sure to specify the correct port. More Than a Secure Shell", Expand section "13.1.2. Connecting to VNC Server Using SSH, 14.1.7.1. regarding the motivation for creating this project can be found in the A Red Hat training course is available for Red Hat Enterprise Linux. Connect and share knowledge within a single location that is structured and easy to search. Introduction to systemd", Collapse section "10.1. Thanks for the message. Quickstart to Installation and Configuration of ReaR, 1.9.3. Pre-release builds of the experimental next-generation code can be Mail Transport Protocols", Collapse section "15.1.1. Extending Net-SNMP", Expand section "21.8. ***> wrote: The Most Basic Command-Line Tools to Manage User Accounts and Groups, 1.7.2. Downloads The latest release of TigerVNC can be downloaded from our GitHub release page. Starting VNC Server", Expand section "13.3.2. On the computer with the TigerVNC server: The private key should remain private to your computer. preview if you intend to use this content. Controlling systemd on a Remote Machine, 10.6. https://github.com/TigerVNC/tigervnc/wiki/Setup-TigerVNC-server-(Windows). Configuring the Date and Time", Expand section "3.1. Be advised that nightly builds may be buggy and unreliable. Configuring VNC Server", Expand section "13.1.3. Installing ABRT and Starting its Services", Collapse section "25.2. I have been using it for a few months, and it has worked very well. The format of the command to encrypt a VNC server-client connection is as follows: To connect to a VNC server using SSH, enter a command as follows: If you prefer only encrypted connections, you can prevent unencrypted connections altogether by using the -localhost option in the systemd.service file, the ExecStart line: This will stop vncserver from accepting connections from anything but the local host and port-forwarded connections sent using SSH as a result of the -via option. Starting the Print Settings Configuration Tool, 16.3.4. Then I (2) run VcXsrv in fullscreen mode where it doesn't start a client, and then (3) run the aforementioned script in WSL . Connect to your desktop. TightVNC review: A free, simple-to-use remote desktop app - TechRadar Prerequisites for Software Installation, 1.4.2. Making Persistent Changes to a GRUB 2 Menu Using the grubby Tool, 26.5. Configure Access Control to an NTP Service, 19.17.2. Create VNC password. Viewing System Processes", Collapse section "21.1. Did the drapes in old theatres actually say "ASBESTOS" on them? To install the TigerVNC client, vncviewer, issue the following command as root : ~]# yum install tigervnc 13.3.2. @yc200 Click the unsubscribe button at the bottom of the email to get removed. Updating Settings of a User Share, 16.1.6.4.4. Using SSH-based Authentication", Expand section "1.7. Additional Resources", Expand section "22.2. TigerVNC The following instructions are for Windows built-in firewall. Additional Resources", Collapse section "20.12. Adding packages to an already created yum repository, 9.5.7. Then I (2) run VcXsrv in fullscreen mode where it doesn't start a client, and then (3) run the aforementioned script in WSL, but in my VcXsrv window, a pop up appears saying "This connection is not secure" and asks for a password. Accessing Support Using the Red Hat Support Tool", Collapse section "8. The indexable preview below may have How to Install and Configure VNC on Ubuntu 20.04 | Linuxize Additional Resources", Collapse section "18.7. Additional Resources on systemd Services, 1.6. Configuring VNC Server for Two Users and Two Different Displays, 13.1.4. Installing the MariaDB server", Expand section "17.1.3. Enabling and Disabling SSL and TLS in mod_ssl, 14.1.9.1. Then tried connecting from a different computer (on my home network) using the IP address of the Windows computer and the password. Accessing Red Hat Support", Expand section "1.11.1. Managing Share Permissions and File System ACLs of a Share That Uses Windows ACLs, 16.1.6.3. Perhaps Windows' certificate tools can convert to that? Additional Considerations While Managing Services, 11. Please update the OS and apply Intel provided patch on all Intel based computers, Cloud Work Solutions Pvt Ltd. All Rights Reserved. Using the hwclock Command", Expand section "4. Regardless, all my passwords for this setup are the same (security risk, I know), so I'm able to get past this step and I arrive (4) on what appears to be a GUI Linux sign-in page. Help setting up TigerVNC viewer in WSL : r/bashonubuntuonwindows - Reddit Using TigerVNC's viewer on the remote computer is recommended. I couldn't generate or convert to PEM format using Window's certificate tools, so I updated the draft instructions to use OpenSSL (see below). Quickstart to Creation of the Rescue System with ReaR, 1.9.4. What kdump Is and Which Tasks It Can Be Used For, 1.8.2. Installing OpenLMI on a Managed System, 22.2.2. Enabling, Configuring, and Disabling Yum Plug-ins, 9.6.2. Note that this is not the desktop the normal user sees, it is the Xvnc desktop. Setting up a Share That Uses POSIX ACLs, 16.1.6.1.1. Setting Up an SSL Server", Collapse section "14.1.7. This . Certificates prove the identity of the computer you are viewing (the one with the TigerVNC server). Password: (password you set up on the server, or leave blank if you want it to ask you every time). To install the TigerVNC client, vncviewer, issue the following command as root: Once the VNC server is configured, you can connect to it from any VNC viewer. Managing Self-signed Certificates, 22.3.2. Enabling the mod_nss Module", Collapse section "14.1.9. "Hostname (192.168.1.5) does not match any certificate, do you want to continue?". Setting up a Share That Uses Windows ACLs, 16.1.6.2.1. What ReaR Is and Which Tasks It Can Be Used For, 1.9.2. I'm also interested in some guidance on setting up TigerVNC on Windows. Event Sequence of an SSH Connection", Collapse section "12.1.4. Install VNC Server (Virtual Network Computing) on Windows 10 The viewer also doesn't understand Linux-style path names if there are any spaces. Understanding ID Mapping", Collapse section "16.1.5.3. I checked the Registry but it looked like it was not getting updated. Customizing the GRUB 2 Configuration File", Expand section "26.7. Alternatively, if someone has any alternatives to this VcXsrv setup, I'm all ears. Configuring ABRT", Expand section "25.4. Configuring OpenSSH", Expand section "12.2.4. Using the New Configuration Format", Expand section "23.4. System Locale and Keyboard Configuration", Collapse section "2. It only takes a minute to sign up. Basic System Configuration", Collapse section "I. Managing System Services", Collapse section "10.2. Enter the viewer command with the address and display number as arguments: Where address is an IP address or host name. If you want to configure more than one user on the same machine, create different template-type service files, one for each user. Understanding ID Mapping", Expand section "16.1.5.4. Provided a graphical desktop is installed, an instance of that desktop will be displayed. Thanks for helping keep SourceForge clean. We'll be installing TigerVNC. Adding the Optional and Supplementary Repositories, 9.6.1. (First tried the stable 1.10.1 release. EDIT: I fixed the hostname mismatch warning too and updated the documentation. Download 64-bit TigerVNC tigervnc64-1.9.0.exe Click Install anyway" on the "App Store not verified confirmation window. System Monitoring Tools", Expand section "21.1. Open TigerVNC's viewer on the same computer and connect to your IP address on the network. Self-signed certificates should offer the same level of security (i.e. # su - cloud-user $ vncpasswd Password: password Verify . Scheduling a Job to Run at a Specific Time Using at", Collapse section "24.3. Handling Detected Problems", Collapse section "25.5. Step-by-Step Tutorial: Install and configure vnc server RHEL/CentOS 7 If it says "Private network" under your connection, skip to "Install and setup TigerVNC server." We accept bounties via Bountysource. Ok. There are no ads in this search engine enabler service. Installing Additional Yum Plug-ins, 9.7. Terminal Menu Editing During Boot", Collapse section "26.10. Introduction to PTP", Collapse section "20.2.3. A tutorial to use GUI in WSL2 replacing original XServer by Xvnc - Gist Basic Configuration of the Environment, 1.1.1. Deploy today in Azure Marketplace. Viewing Hardware Information", Expand section "21.7. Immediately after that, you need to create a separate VNC user from which the connection will be made (with a dedicated password). programmer that could use some extra cash, head over to Using Postfix with LDAP", Collapse section "15.3.1.4. Using the date Command", Collapse section "3.2. VNC setup based on xinetd with XDMCP for GDM, 13.3.2.1. What the Red Hat Support Tool Is and Which Tasks It Can Be Used For, 1.11.2. Using the timedatectl Command", Collapse section "3.1. Hostnames are common even for internal networks, so perhaps details on how to generate a certificate for that? Scheduling a Job to Run at a Specific Time Using at, 24.3.2.1. Bountysource @CendioOssman Thank you for the feedback! Basic System Configuration", Expand section "1.1. From the client computer I get the error: "Authentication failure: load of CA cert failed". https://github.com/notifications/unsubscribe-auth/ALP2ZAJJFSAPGGVSEGBLK73QSK7SNANCNFSM4JE5B2ZA, https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html, https://bintray.com/vszakats/generic/openssl, https://github.com/TigerVNC/tigervnc/wiki/Setup-TigerVNC-server-(Windows), https://github.com/notifications/unsubscribe-auth/ALP2ZAOHJFMTCSVPNQLERRDREVJNRANCNFSM4JE5B2ZA, https://security.stackexchange.com/questions/103524/lets-encrypt-for-intranet-websites#121187, Certificate from an External Certificate Authority, In the task bar (bottom right), right click on the Network icon and choose. Adding a Share That Uses Windows ACLs, 16.1.6.2.4. Managing Users in a Graphical Environment", Collapse section "4.2. Accessing Support Using the Red Hat Support Tool", Expand section "8.4. Shutting Down, Suspending, and Hibernating the System", Collapse section "10.4. Creating and Modifying systemd Unit Files", Expand section "11. I've tried (1) installing VcXsrv on my machine. The best answers are voted up and rise to the top, Not the answer you're looking for? Additional Resources", Collapse section "21.8. Releases TigerVNC/tigervnc GitHub For example, for the second display: 2 + 5900 = 5902. Discussion list for TigerVNC developers. On your local computer, use SSH to connect to your instance while creating a tunnel to forward all traffic on local port 5901/TCP (VNC) to the instance's VNC server: Linux and macOS Is it possible to avoid the "hostname mismatch" warning? On Vista and later, perform this operation as an administrator (right-click Start > All Programs > Accessories > Command Prompt and select Run as administrator ) to suppress UAC prompts. To reach the port through which a remote desktop will be accessible, sum the default port and the users assigned display number. Adding a Share That Uses POSIX ACLs, 16.1.6.1.3. section of the wiki. Method 1 Method 2 Assign vnc password to the user Start the vncserver service Configure firewall Configuring Desktop Environment Terminating or stopping a VNC Session Advertisement Change init levels to 3 and back to 5 to force gdm to reload. Mail Transport Agent (MTA) Configuration, 15.4.2.1. Copy the public key file ("vnc-server.crt") to your remote computer. Please view the original page on GitHub.com and not this indexable If you get the same error, check the following: Review the "Install and setup TigerVNC server" section above. Option 1: sudo apt install kali-win-kex. Using the timedatectl Command", Expand section "3.2. What SELinux Is and How It Enhances System Security, 1.6.2.2. Am I missing anything? the equivalent Windows programs as well. Connect to VNC server. Enabling and Activating kdump During the Installation Process, 1.8.3. Viewing Support Cases on the Command Line, 9.1.3. Working with Transaction History", Expand section "9.5. Starting ptp4l", Expand section "20.10. ***> wrote: The Default Sendmail Installation, 15.3.2.3. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? Automatically Refreshing Package Database and Downloading Updates with Yum-cron", Expand section "IV. Adding an LPD/LPR Host or Printer, 16.3.8. Configuring Administrative Access Using the sudo Utility, 7. Introduction to Configuring the Keyboard Layout, 1.2. This process might take 2-3 GB of HDD space and 2-3 hours for installation. Chrony with HW timestamping", Expand section "18.7. Informational or Debugging Options, 15.3.4. At least on Windows, TigerVNC doesn't even let you accept the certificate blindly (it gives a cryptic out-of-memory error if you try). Automating System Tasks", Expand section "24.1. Note that for display numbers greater than 3, the corresponding ports will have to be opened specifically as explained in Opening Ports in firewalld. Configuring PTP Using ptp4l", Collapse section "20. Change service settings as needed and click Next. Ensuring the Required State of SELinux, 1.6.3.1. Configuring File Shares on a Samba Server, 16.1.6.1. vncviewer is a program which shows the graphical user interfaces and controls the vncserver remotely. get that much polish. MIP Model with relaxed integer constraints takes longer to solve than normal model, why? A window appears showing the VNC server desktop. The vsftpd Server", Expand section "16.2.3. Understanding Hardware Timestamping, 18.6.2. Under "Downloads", click on "GitHub Release Page". Are there any changes to the default vncserver configuration in RHEL 8.3 and above releases? Checking Network Access for Incoming HTTPS and HTTPS Using the Command Line, 15.3.1.1. I am successfully using the viewer (on Windows) to access Ubuntu's built in VNC sharing, but would like to access the Windows computer remotely. To allow firewalld to pass the VNC packets, you can open specific ports to TCP traffic. Viewing Block Devices and File Systems", Expand section "21.5. Setting up Samba as a Standalone Server", Expand section "16.1.5. Scheduling a Job to Run on System Load Drop Using batch", Expand section "25. It will not be the same instance as that currently displayed on the target machine. Setting the System Locale", Expand section "2.2. Improving MariaDB installation security, 17.1.2. What Red Hat Subscriptions Are and Which Tasks They Can Be Used For, 1.3.2. Setting up Samba as a Domain Member", Collapse section "16.1.5. Frequently Used Samba Command-line Utilities", Collapse section "16.1.9. Mail Access Protocols", Collapse section "15.1.2. for information on how to trade bugs and features for the almighty buck. Managing ACLs on an SMB Share Using smbcacls", Expand section "16.1.6.4. Here you can find the binary release downloads for the TigerVNC project. Before we can use TigerVNC, we need to install it on our Ubuntu machine. Configuring File Shares on a Samba Server", Expand section "16.1.6.1. Step 2: Install VNC Server in RHEL 8 2. The first thing to do is to install the TigerVNC Server program by opening a terminal session and entering the following command with root privileges: $ sudo yum install tigervnc-server. Enabling the mod_nss Module", Expand section "14.1.12. Creating and Modifying systemd Unit Files, 10.6.1. The stored password is not encrypted; anyone who has access to the password file can find the plain-text password. Additional Resources", Collapse section "15.7. advanced authentication methods and TLS encryption. Managing ACLs on an SMB Share Using smbcacls", Collapse section "16.1.6.3. For multiple users, a uniquely named service file for each user is required, for example, by adding the user name to the file name in some way. Dumping the Crashed Kernel Using the kdump Mechanism", Collapse section "1.8. to my ~/.bashrc in WSL. The windows Scheduling a Recurring Job Using Cron", Collapse section "24.1. TigerVNC - ArchWiki - Arch Linux Converting SysV Init Scripts to Unit Files, 10.7. of instructions. Click Yes at the User Account Control windows. The VNC (Virtual Network Computing) is a great choice if you need a free alternative to the Windows Remote Desktop (RDP). vncserver is a utility which starts a VNC (Virtual Network Computing) desktop. Basic Configuration of Rsyslog", Collapse section "23.2. Setup Pre-requisites. Adding a Multicast Client Address, 19.17.12. Find out the local IP address of the computer running the TigerVNC server. Monitoring Performance with Net-SNMP", Collapse section "21.7. So what do you do when no icon shows up in the system tray? Do you see a TigerVNC icon in your systray? Using the Log Files to Troubleshoot Problems, 1.10.1. To install the TigerVNC server, issue the following command as root: The VNC server can be configured to start a display for one or more users, provided that accounts for the users exist on the system, with optional parameters such as for display settings, network address and port, and security settings. Displaying the Current Date and Time, 3.1.5. Click "Next" to accept default install group name. Creating and Enabling Local User Accounts, 16.1.5. Detecting Software Problems", Collapse section "25.4. Certificates keep private the contents of the communication between you and the remote computer. ; the local machine, called local here, where you run the VNC client. The wiki pages are now up, so closing this issue. Using the net Utility", Expand section "16.1.9.5. The Default Postfix Installation, 15.3.1.2. Reinstalling GRUB 2", Expand section "26.9. I set a password. Configuring Yum and Yum Repositories, 9.5.5. Configuring GRUB 2 for a persistent change, 26.9.4. The installation instructions can be found after you've downloaded the installer, which you must double-click. Managing the Time on Virtual Machines, 19.9. Starting, Using, and Exiting LMIShell, 23.2.6. Managing Authority-signed Certificates Manually, 22.4.1. OpenSUSE, Displaying the Current Date and Time, 4.2. Once you've downloaded the installer, double click the file and follow the installation instructions. Introduction to systemd", Expand section "10.2. Setting up Optional Email Notifications, 9.7.3. Install and Configure vnc server on CentOS 7 How to Configure TigerVNC server?