[/simterm] To be sure, this is the cause, and the ssh client first uses keys from the ssh-agent, run the connection in the debug mode by adding the -v option: [simterm]First, start VNC on your device. See the FAQ for details how to tunnel the VNC connection through an encrypted channel such as (1). Mentions. In this case your VNC desktop will remain launched without interrupting. 6. It has been working fine all along. I tried with blacklist timeout as zero but it didn't work. 1 > > I use RealVNC for remote administration on roughly 100 pcs. 5+, mx-9. I then attempted VNC connect with wrong passwords but the VNC connection was being refused in usual manner after five attempts. a server over a short period of time. Are you for a quick fix for the RealVNC error: Too many security failures? Our experts have your back. VNC Mail List > Subject: Connection Problem with 4. 0. Enter your username and password, and type. EDIT (SOLVED): I thought that I would be able to reach this through the normal browser, not knowing what VNC is. 1 Reply. ) Last week, I started getting vnc password attempts from an unknown IP, resulting in the "blacklisted: 0. I then attempted VNC connect with wrong passwords but the VNC connection was being refused in usual manner after five attempts. Unlocking Account Using /var/run/faillock File. Remember Me Reset Password Resend Validation Email. In this case your VNC. You will see multiple process IDs running. - inside the VMWare client it works using the loopback. . 04. 由于在家里搭建了博客，Git 等服务， 经过了阿里云用 Nginx 做了 TCP Proxy, 导致了一个问题，家里看到的服务访问 IP 都是转发服务器的 IP，无法看到真实IP。联想到平常 LB 上的是支持 PROXY Protocol 转发真实IP, 于是搜了一下，Nginx 还真支持！vnc는 익히 들어서 알것이고 이넘이 보안적으로 많이 취약하다는 것도 널리 알려져 있다. vncserver too many security failures (4 Solutions!) Helpful? Please support me on Patreon: Answer Sorted by: 0 You could try changing the VNC server port to something different to prevent most of the bogus logins. The. And then I figured out how to FORCE it to work. _ga - Preserves user session state across page requests. Home; Members; News; Results; Events; About us; Links; Media; ContactI have been using the same version of VNC viewer 4. If your server has already been compromised, you are going to have to kill the current vnc process first, in order to restart it. OK, I understand the blacklist, timeout and recovery implementation from other postings to this list. Host * IdentitiesOnly=yes. The following smells like a bug to me. This is a security feature designed to prevent dictionary attacks on servers, by preventing machines from making large numbers of connections to The service got started successfully and I was able to connect to RHEL3 through VNC successfully. Manage your RealVNC account and profile, and access your VNC Server subscriptions and licenses. That's expected in public domain, there are many scanners and bot for different aims including attacks. 4. In order to change to VncAuth scheme in your Raspbian and set a password to. Invocation command: vncviewer -SecurityTypes None localhost:0 VNC server: x11vnc over ssh. I install Raspbian with Real VNC Server. x. 0::59748 SConnection: Client needs protocol version 3. Means that someone tried to log in with incorrect credentials too frequently within a specified period of time. On the host machine, click Sign up to create a new account and log in. See Too many security failures. This setup works. This is a security measure designed to protect your server. g. Yury Averkiev (s-code) Yury Averkiev (s-code). This affects RealVNC VNC Server versions 5. This is the third generation (G3) of my headless images. Now you should be able to run ssh without specifying the option -o IdentitiesOnly=yes on the command line as shown. adnams ghost ship tesco. next failed attempt causes the timeout to be doubled. 解决办法：. The problem has been caused by the VNC built-in blacklist policy, which was too tight. If VNC Viewer is not connecting to the remote computer, you need to check whether the remote computer is awake, and the internet connection is available for the remote computer. (or too many security failures) I cannot connect to the same server using tightvnc from linux ubuntu boxVNC 登录显示too many security failures的解决方法 VNC SSH 远程登录 Linux 原因：黑客试图登录解决方法：在putty上登录，然后输入命令vncserver-kill:5杀掉vnc进程之后输入su-你的用户名使用su权限输入命令vnc重启vnc成功之后就可以再次登录了do I have to have VNC service running on my machine in order to use only TightVNCViewer? I want to connect to remote CentOS but I have still lockout and authentication failure with possibility`to login only once per about 24 hours. Use the same account to sign in to the client computer. Latest Posts. Gedit can't save files. This is a problem because eventually tightvnc rejects a new legitimate client session and reports that there were too many authentication failures when the legitimate client tries to do a VNC session. 3. [email protected]. But a strange thing happens when I try to connect again: I get. 3. 3. I use a raspberry pi B+ Model 3. Add a new section for the SSH server you want to connect to, using the following syntax: Host <server_name> HostName <server_address> IdentityFile <path_to_private_key>. 先到vnc server的设置选项中，选择专家. Sign in/up. You have entered incorrect authentication credentials too many times. 0. There is solution without killing vncserver: Connect by SSH, and type in command to change VNC password vncpasswd After changing password, authentication failures will reset and you'll be able to login again. 13, lastmod: 2011-08-10. Keywords: vnc too many security failures, coursera financial aid 申请 jdbblog. x11vnc - allow VNC connections to real X11 displays version: 0. Are you sure you haven't accidentally entered an incorrect. From man Xvnc: -localhost Only allow connections from the same. Sauf que tous les jours pratiquement, lorsque je rentre mon IP et que je valide, l'erreur Too many security failures apparait. ファイアウォールの背後にある自宅のコンピューターからCentOSで実行されているvncserverに接続しようとすると、エラーが発生します：. 2+, srx-branch-9. Jones - 2016-05-04. I have installed Win7 and Ubuntu both on this machine. Worse case spent the 5mins to re-set it up. YOU. Personally, when you need to manage a server behind a gateway that is connected to the Internet using NAT, I would suggest "easy to use" Real VNC or TeamViewer. maj 2023 · Here is a tested solution to fix “Too many security failures” on VNC. First find the process id (pid) of vnc using the following command: pgrep vnc. I used ssh and checked the log on the linux machine and it shows logs like: Thu Jun 9 22:35:43 2016 Connections: accepted: 0. I observe that I have. $ vncserver -kill :1. 1. Connection rejected by VNC Server computer user. 0. It is always better to SSH tunnel your VNC connection. 3. How do I reset the timeout? To reset the blocklist, you simply need to not attempt a connection for a short period of time (see above), or restart the VNC Server software/the computer running VNC Server. The problem may be your VNC viewer, there is an identity check. I'm trying to get the VNC server to run trough SSH tunnels, so I'm starting the server on localhost only with -localhost on vncserver. Then, if the. 3. Learn how to use VNC Server and VNC. VNC conenction. Try re-connecting to your Mac using Jump with the new VNC password. 6. 1. Whichever way I try to connect (desktop -> server or server -> desktop), the connection is made, but then immediately says "Server closed connection -The server running as. > To: VNC Mail List > Subject: Connection Problem with 4. 200-210. 服务器装了虚拟机之后，通过VNC VIEWER远程管理，但连接的时候，经常报错“too many security failures”。 这是因为VNC的黑名单机制，用来保护你的服务器。如果有人暴力**，将会触发VNC的黑名单机制。 因此，有两种方式可以让你重新登录。Modify the configuration so that the Xvnc server is used instead of the standard X server: If you are using Red Hat Linux 3 or 4, there will be a line just above that says: 0=Standard Modify it to read: 0=VNC If you are using Red Hat Linux 5 or greater, you will need to add the above line just below the [servers] section and before the [server. Connection rejected by VNC Server computer user. Stack Exchange Network Stack Exchanging network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for planners to learn, share theirs knowledge, the build their careers. You also have the option to increase this to 256-bit AES for added security. A successful connection from an IP address. Set up the VNC server to accept connection from 127. In androidVNC, connect to the VNC port; this is the local address following the SSH connection: Password: the vncserver password Address: 127. No Category: VNC Release Date: 2003/04/22 Update Number: 1213 Supported Platforms: idp-4. 05a93b90 66 ! 70 ! 151 ! 127 [Download RAW message or. vncconfig - display :1 - set BlacklistTimeout = 0 - set BlacklistThreshold = 1000000. export XKB_DEFAULT_RULES=base. for the default local network only it would be something like (with iptables): sudo iptables -A INPUT -p tcp -m tcp --dport 5900 -m comment --comment "VNC on desktop: local network only" -m iprange --src-range 192. VNC will lock (i. Facebook Google. It appears that you can change the VNC password by way of the VNC Server desktop app. VNC Password. Wait about 5 - 10 minutes which is the amount of time for the screen saver to kick in which seems to wake up VNC connection. 0-8. Is there some extra VNC Java Applet i need to download? User #89014 10239 posts. Whichever way I try to connect (desktop -> server or server -> desktop), the connection is made, but then immediately says "Server closed connection -The server running as. 2 and "Too Many Security Failures" From: Don Estes <donestes donestes ! com> Date: 2006-07-31 15:49:55 Message-ID: 6. RE: "Too Many Security Failures" with v4. Host * IdentitiesOnly=yes. You can also “Skip Availability Check” on an individual VNC server by Editing it in the connection list. Restablezca la lista negra y podrá iniciar sesión. 3. Please advise if. (If not, still proceed to the next steps) $ pgrep vnc 72063 119177 This is because you have run vncserver command multiple times on the server. For maximum security enable public key based login in ssh and disable password based login. Step 2: Kill all processes from step 1 $ kill 72063 $ kill 119177 Step 3: Restart the VNC sessionrecently the vnc viewer started to give me some errors such as vnc too many security failures or Authentication failed etc. 1. VNCViewer登陆显示too many security failures解决. Download. xxxxxxxxxx . In this case your VNC desktop will remain launched without interrupting. pl/RbBHD5. I've just installed UltraVNC version 1. Step Two: On the next page, you should see a button lower down, under Server Management, to get the VNC / Console Link. I try to connect to my vncserver running on CentOs from home computer, behind firewall. Visit Stack ExchangeTap the options key, select Port Forwards and add a port: Type: Local Source port: 5901 Destination: 127. Feasible external solutions (SSH, VPN,. tight _reset _stream2: Reset compression stream 2. The server only blocks logins from the IP address from which the unsuccessful login attempts originated. Also note the question below. 最近のRaspbianは最初からRealVNCが入っているらしく、画面共有しようと思ってVNCサーバをonにした時に繋がらなくてハマったところを書く。. successfully will reset the authentication failure count for that address. 2. TightVNC Server installation #1, step 4, passwd confirmed, still not saved. The connection was refused by the host computer. [prev in list] [next in list] [prev in thread] [next in thread] List: vnc-list Subject: Connection Problem with 4. This solved the issue without lowering the security. The. Reload to refresh your session. vnc/default. 0 Answers Avg Quality 2/10. 타켓(victim)이 정해졌다. Can confirm TightVNC is installed correctly. display ：指定. vnc/default. 2 and "Too Many Security > Failures" > > The following smells like a bug to me. main: Too many security failures. 9. X:6080 / vnc. Unfortunately, VNC is limited to an 8-character password. If so, we can delete the files that faillock uses to track a user’s login attempts. Unfortunately this VNC logging has a not really appropriate log-format for fail2ban - the message with failure doesn't contain IP address and entries with IP and failed attempt don't contain some identifier to be able to group them by this ID. png. deb or VNC-Server-6. Connect by SSH, and type in the command to change the VNC password vncpasswd. Here are few suggestions: Add -v to see if that's the case (you've using too many. 59)をラズパイにインストールした。. Please advise if you > agree. Connection reset by peer. NONURGENT SUPPORT. The problem has. Once you change the password, the authentication failures will reset, allowing you to log in again without interrupting your VNC desktop. VNC authentication failure Ask Question. 2 and "Too Many Security > Failures" > > The following smells like a bug to me. No authentication types available: Too many security failures [-] 192. pgrep vnc // the output will look like following but yours will be different (sure thing) 17732 23723. 4+, vsrx-12. VNC Password: add the VNC password here if you have setup it up within x11VNC configuration. 1 Answer. 在服务器上开了几个虚拟机，装了VNC之后，经常遇到报错too many security failures。 查了下相关资料，原来是有人在暴力**，触发了VNC的黑名单机制。 重置黑名单，就能登录了。"Too many security failures" indicates that the IP address from which you are connecting has been making lots of connections to the VNC Server that didn't end up being successfully authenticated. . 04 and I installed vncviewer on Windows 7. When trying to connect to a server, I first get the following message: No configured security type is supported by 3. The problem may occur by you, making too many failed attempts to login to vncserver, or it can be bots accessing your server with brute force methods. There are people out there who are scanning IP ranges for open VNC ports and then trying to brute force log in to them in order to gain control over your server. Plug a mouse or keyboard into the Raspberry Pi zero, waking up the screen and the VNC connection. First i want to disable the waiting time. Are you receiving a VNC too many authentication failures error? This error occurs when there are too many login failure attempts made to the VNC server. 0. Another solution to consider is TeamViewer. 0 ServerName=REDACTED X509CA= X509CRL= SecurityTypes=X509Plain,TLSPlain,X509Vnc,TLSVnc,X509None,TLSNone,VncAuth,None DotWhenNoCursor=1 AutoSelect=1 FullColor=1 LowColorLevel=2 PreferredEncoding=Tight CustomCompressLevel=0 CompressLevel=2 NoJPEG=0 QualityLevel=8 FullScreen=1 FullScreenAllMonitors=1 DesktopSize= RemoteResize=1. :/. 1; asked Apr 2, 2013 at 13:03. VNC is not a complicated application to setup. Is XAMPP safe for me to install on my home computer for the same? Asked by AnnaBall in SQL Server, Asked on Jan 11, 2022. You will see the message "Too many security failures" if a host has been blacklisted, rather than "Connection closed unexpectedly". ; AlwaysMaximum to request that direct connections be encrypted end-to-end using 256-bit AES. Try re-connecting to your Mac using Jump with the new VNC password. You will see that a bunch of keys are offered, until the server rejects the connection saying: "Too many authentication failures for [user]". To combine schemes, use the + character. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 1. Get insight into the real-time status of any number of servers and. find is using a LOT of resources - how do I find out why?Too many security failures means that you have failed to supply the correct password more than a certain number (usually five) times, and so you must now wait for a timeout (initially 10 seconds) before it will let you try again. Ubuntu/VNC: Too many "Too many security failures" 0. 0. 6. com ropid. Enter the user name and password you typically use to log on to the VNC Server computer. 版权声明：本文. The VNC server uses a separate display (:1) than your regular X server, which works with your physical display (:0). TightVNC Server installation #2, step 4, passwd saved instantly. Posted: Tue May 03, 2011 12:49 pm Post subject: VNC - Too many security failures:. That is a RealVNC problem/feature where they lock you out after repeated connection attempts – it can be exacerbated by having the “Update Connection Availability” turned on in the General preferences. Suddenly today I tried to connect to the RPi using the VNC client on my iPhone and an errorThe other fixes that I found only applies to Too many security failures, or ssh authentication failures. VNC servers have a security feature in which they block connections for a certain amount of time once several connections fail the authentication. Nora Seinfield Puntos 23. Enter the following two commands in the terminal: sudo ufw enable sudo ufw allow ssh. Products. But for security reasons i dont want thisI see burst of activity like this: Jul 3 06:39:33 liv-e01-pg-inmail postfix/smtpd [27594]: disconnect from unknown [194. Again I enter the correct password but it says invalid and locks me out. 2. Error: VNC:authentication failed:Too many security failures I'm using Windows Vista Home Premium and when I try to connect PocketCloud from my iPad to my PC I get the following message: Error:VNC:authentication failed:Too many security failures. I would like to be able to let my users log in and use their own desktops without issue. No device other than the Pi can access the VNC server. 0: vnc. If that doesn't work try Alt+Ctrl+F1 to enter console mode. 2 and 1. Asked 10 years, 2 months ago. Since the last reboot I can not access anymore the IIS services through the VMnet network adapter. the terminal with the program I was running had disappeared which is terrifying. Here is what I did:recently the vnc viewer started to give me some errors such as vnc too many security failures or Authentication failed etc. Yes, there are scanning bots for popular vnc ports. chmod +x ~/. Scanners for frequently used VNC ports do exist. Asked 10 years, 2 months ago. . exe" with HEX editorHi we have a problem with vnc : Too many security failures install and resintall not effect :-(Edited 12 Years Ago by junix. See Too many security failures. VNC is an acronym for Virtual Network Computing. Just run it with sudo: start Kali and type. But when I use (Real) VNC Viewer it says that the connection is not secure. 203:5900, No authentication types available: Too many. RealVNC error: Too many security failures – Resolved. Nhưng đến ngày hôm sau, bật vnc client lên và kết nối, thì nhận được lỗi: “Too many security failures” Sau đó, mình phải restart vnc server ở vps thì. 总之，"Too many authentication failures"错误通常是由于SSH客户端使用多个密钥进行身份验证并被服务器拒绝所致。通过明确指定正确的密钥、删除多余的密钥、检查服务器端配置，使用SSH Agent管理密钥或使用密码身份验证，可以解决此问题。Sorted by: Reset to default 1 My current Ubuntu 12. freaky-spook. When asked for password. April 2018 in Help. I went to log into my server this morning VNC and was met with "Connection failed - too many security failures". 这时候，用ssh远程登录，并且把一个本地的port map到目标地址的vncserver输出口，然后再用vnc client连接本地的那个端口。. 出现上面的错误。. 2. - on the VMWare host (Mac OS X 10. 2019-01-31 VNC连接报错“too many security failures” 服务器装了虚拟机之后，通过VNC VIEWER远程管理，但连接的时候，经常报错“too many security failures”。 这是因为VNC的黑名单机制，用来保护你的服务器。如果有人暴力破解，将会触发VNC的黑名单机制。a server over a short period of time. Configure Identities in SSH. 31 1 7. Reset compression stream 1: Boolean: 1. by Nikhath K | Nov 29, 2022 | Google cloud platform, Latest. You then need to kill the vnc process using the kill command. Although it's not explicitly listed as an option to vnc4server, you should be able to pass the -localhost option to the underlying Xvnc process. Too many FATs on USB Drive? 2. To minimize it: Change the default port to one too far from know ranges VNC. And then I figured out how to FORCE it to work. vnc too many security failures simply means that someone tried to login into your VNC server and failed, several times. 1 Port: 5901. Connect by SSH, and type in the command to change the VNC password vncpasswd. Good day rA community, I need some advice to solve this problem 'Too many authentication failures' on my server using vncserver in Debian 10 Buster OS. 59. Alternatively, we can restart the VNC server software or the system running the VNC server with these steps: First, connect remotely to the VNC server. VNCViewer登陆显示too many security failures解决. 3. It is simple ,but too dangerous. You then, need to kill the vnc communication using the kill request. ("Too many security failures") (Version 1. This password is for you system's VNC Server. 1. After some number of failed attempts, VNC just. Access VNC server running in Android from Ubuntu. Locate and open the application “ uvnc_settings. X. Click to read all our popular articles on vnc - Bobcares. Enter a VNC password and if prompted, make sure you also enter your Mac user account's password to apple the changes. so close session required pam_loginuid. 168. [63155]: VNC connection failed: Too many security failures May 04 15:54:53 dxlvis01 guacd [63155]: Unable to connect to VNC server. No configured security type is supported by 3. Step 1: See the multiple VNC sessions running on your server. 0 to. (If not, still proceed to the next steps) $ pgrep vnc 72063 119177 This is because you have run vncserver command multiple times on the server. According to our experts, VNC Server comes with a ‘blacklisting’ scheme. If you use the same ip address but connected to different hardware, it will generate different signature which result in security failure. However, in the terminal, the arrow keys do not work properly. Learn how to use VNC Server and VNC Viewer for remote access and screen sharing. Step 3. Recently the VNC server/viewer started to give me some errors such as So I have this Linux VPS machine with VNC server installed and I. If VNC Viewer is not connecting to the remote computer, you need to check whether the remote computer is awake, and the internet connection is available for the remote computer. 9. _____ VNC-List mailing list VNC-List@ xxxxxxxxxxx To remove yourself from the list. 0 ServerName=REDACTED X509CA= X509CRL= SecurityTypes=X509Plain,TLSPlain,X509Vnc,TLSVnc,X509None,TLSNone,VncAuth,None DotWhenNoCursor=1 AutoSelect=1 FullColor=1 LowColorLevel=2. Pfad: websockify (when you only have one vnc target) Use this connection to connect to the Apache server. The information at this link for vnc too many security failure - hc/en-us suggests to me that it was an attempt at intrusion. After the said time, any existing VNC connection just stops, and if I try reconnecting VNC, it just says "Too many security failures" or "Too many authentication failures" . (The default path is c:Program Filesuvnc bvbaUltraVNCuvnc_settings. 4. VNC连接Too many security failures. dcommander mentioned this issue on Aug 25, 2020. ssh/ . URGENT SUPPORT. There is a solution without restarting vncserver: Connect by SSH, and type in the command to change the VNC password vncpasswd. com > Subject: "Too Many Security Failures" with v4. SConnection: Client needs protocol version 3. $ cat ~/. 3. Q&A for computer enthusiasts and power users. Step 1: See the multiple VNC sessions running on your server. And you keep getting the following errors when running the VNC Server gui: VNC server security settings not. その数. vnc/xstartup vncserver cd /etc/ssl ; openssl req -x509 -nodes -newkey rsa:2048 -keyout novnc. Authentication=VncAuth seems to be the only scheme that allows direct connections from VNC-compatible Viewer projects from third parties. 4. I have VNC server set up on a Mint machine and need to have 1 or 2 users access a program on the server. vnc는 익히 들어서 알것이고 이넘이 보안적으로 많이 취약하다는 것도 널리 알려져 있다. ssh. VNC conenction failed: vncserver too many security failures even when logging with right credentials (I reset passwd on CentOs) I get: authentication failure. Similarly install and configure fail2ban. I have a Raspberry Pi 4 running the default OS and VNC has been turned on and working for many weeks now. so session optional pam_keyinit. I have an error: VNC conenction failed: vncserver too many security failures even when logging with right credentials I reset passwd on CentOs I get: authentication failure. En este caso su escritorio VNC permanecerá lanzado. 2. How do I reset the timeout? To reset the blocklist, you simply need to not attempt a connection for a short period of time (see above), or restart the VNC Server software/the computer running VNC Server. Do I have to do something with other ports?CConnection: Using RFB protocol version 3. RealVNC Server is included with Raspberry Pi OS (formerly Raspbian) but you still have to enable it. I would like to be able to let my users log in and use their own desktops without issue. 2 and "Too Many Security Failures". server port 5902 Wed Feb 314:10:392016 CConnection: Server supports RFB protocol version 3. ssh/config, using your preferred text editor. Connection rejected by VNC Server computer user. 8. too _many _colors: Too many colors, aborting dissection: Label: 1. Share . root@localhost#chown -R userName:groupName . 0-8. Following that, a message pops up saying "VNC connection failed: Too many security failures". This can happen with many of the VNC Servers if you fail to login a few times in a row. PROBLEM If you have been having problems with trying to connect to the RealVNC server that you have recently installed on your OS. I used ssh and checked the log on the linux machine and it shows logs like: Thu Jun 9 22:35:43 2016 Connections: accepted: 0. I'm using Windows Vista Home Premium and when I try to connect PocketCloud from my iPad to my PC I get the following message: Error:VNC:authentication failed:Too many security failures. Server message type (TightVNC) Signed integer (32 bits) 1. Disconnected from 139. When 1 person vnc's into it, the CPU jumps to high 90 and 100. If you have an Enterprise subscription or VNC-compatible software from a third party, you can connect directly to VNC software by entering the IP address of the remote computer. There is solution without killing vncserver: Connect by SSH, and type in command to change VNC password vncpasswd After changing password, authentication failures will reset and you'll be able to login again. For example, the parameter value: Certificate+Radius+SystemAuth. Additionally, use the firewall on. recently the vnc viewer started to give me some errors such as vnc too many security failures or Authentication failed etc. VNC连接出现错误：Too many security failures 使用VNC连接出现错误 连接建立失败！. なおVNCクライアントには、WindowsのUltra VNC Viewerを使用した。. a 10 second lockout is applied before the next attempt is permitted. Could you please follow the AUTHENTICATING TO VNC SERVER section in the above link please. You can see this for yourself by adding the -v flag to your ssh command to get verbose output. 因此，有两种. Suddenly from yesterday, i was not able toSorted by: Reset to default 1 I'm not sure if it's OS specific,but I uninstalled Ubuntu and then installed CentOS and followed similar instructions for setting up VNC client - then everything worked. 3. The workaround is to reboot and reloading tightvnc on a frequent basis. vncViewer连接阿里云 Too many security failures 连接后花屏解决办法 大数据 VNC Viewer 花屏 无法理解 之前连不上的时候用下面两个命令杀死桌面号再打开就可以了vncserver-kill:1vncserver:1在不寄就vncserver重启但这次杀死：1就启动：2启动：1就提示已经打开解决方法：端口号.