Common Errors & Troubleshooting

In PuTTY configuration window, take Terminal > Keyboard. Change the "Function keys and keypad" setting to "Xterm R6".  How to Setup Ezeelogin Read More

I get the error LICENSE No license Please contact support even though I have issued the license. Refer below steps if you are using the Ezeelogin cloud license: 1. Make sure that the gateway server has an outbound connection to the license... Read More

How to setup WebSSH console in Ezeelogin and SSH via browser? WEB SSH Console is available within the GUI  from Ezeelogin 7.4.1 and above only. This feature lets you SSH use a browser and does not need an SSH terminal. White list your IP address... Read More

On trying to SSH using the command  ,  the following errors are thrown in the command line ssh -J bastion_host_server   remote_host_server channel 0: open failed: administratively prohibited: open failed stdio forwarding failed... Read More

Unable to open a session- ssh session fails with pam_systemd(sshd:session): Failed to create session If you are unable to ssh via the ezsh interface and you get the error "unable to open a session" and you find these error on the remote server in ... Read More

    Cannot install the node and getting the below error Error: unable to get local issuer certificate      This usually occurs when the outbound connection on port 443 has been blocked and can be resolved by running the command below :�... Read More

unable to ssh because of the errror " IP not allowed because none of user's groups are listed in AllowGroups"   Do comment out the line AllowGroups in /etc/ssh/sshd_config and restart sshd and try again. Read More

  sshd[3167]: pam_succeed_if(sshd:auth): requirement "uid >= 1000" not met by user "root" Root login to remote server in ssh fails with the above message in /var/log/secure. To resolve the issue, ensure that "permit root login" is set to "yes" in... Read More

How do I disable Two Factor Authentication (Google, Yubikey, Access Keyword, DUO) for the admin and others users? Refer to this article to disable 2FA from Ezeelogin GUI if you have admin privilege For Ezeelogin Version 7 and above 1. To... Read More

 Unable to connect to your database server using the provided settings. Filename: core/Loader.php  Restart MySQL and ensure the MySQL server is running on the server.   Execute the following command to check status & restart... Read More

If you are getting the error when you configured pam_ldap for the backend ssh authentication. Ensure to uncomment following lines in /etc/ldap.conf # RFC 2307 (AD) mappingsnss_map_objectclass posixAccount user#nss_map_objectclass shadowAccount... Read More

Your system folder path does not appear to be set correctly. Please open the following file and correct this: index.php : error in ezeelogin webgui.   1. This could be due to insufficient permission for system folder.Give 755 permission to fix... Read More

Main Admin user account suspended after entering incorrect security code. What should I do?The main ezadmin user would still be able to login into the web interface and unsuspend the user by editing the user. Note that this is possible only for the... Read More

The Ezeelogin configuration file is located at /usr/local/etc/ezlogin/ez.conf Ezeelogin has two logs files one for the web interface and one for the backend ssh interface called the ezsh shell (short for the Ezeelogin backend shell) FRONTEND OR WEB... Read More

How to refresh the license for Ezeelogin VERSION 6 & 7?You just need to click the license tab on the web GUI of the Ezeelogin software to reload the license from the license server.  Make sure https traffic to license.ezeelogin.com is not... Read More

User add failed. Fingerprint changed:Cannot modify user on this node: REMOTE HOST IDENTIFICATION HAS CHANGED! (Reset fingerprint to authorize the change) The identity of your gateway server has changed(due to os reload, IP migration, etc). Reset the... Read More

How to configure Automatic su or sudo /switch user CentOS/Freebsd/Ubuntu servers?  check out the following video to ensure that you have configured the auto login correctly   Add a server by providing Hostname, IP Address , Remote SSH login user... Read More

Unable to login into cpanel/whm with one click access Make sure that you are able to login manually with the root password shown in the ezsh backend interface. Edit the server having problems, and go to advanced settings and ensure that the fields ... Read More

Internal browser error: Failed to launch the browser process! on accessing web portal proxy  Internal browser error: Failed to launch the browser process![0113/165322.629994:FATAL:zygote_host_impl_linux.cc(127)] No usable sandbox! Update your... Read More

How to upgrade MariaDB 5.5 to 10. x in CentOS 7 ?    1. Before upgrading the MariaDB, create a dump of the Ezeelogin database: root@jumpserver:~# mysqldump db_name > db_name_backup.sql -u root -p    Example:  root@jumpserver:~#�... Read More

vi editor does not work as it should when editing files via ezeelogin   Try changing the terminal emulation to auto or vt102 and let us know if it solves the problem. https://www.ezeelogin.com/user_manual/Preferences.html  ... Read More

userauth_pubkey: signature algorithm ssh-rsa not in PubkeyAcceptedAlgorithms 1. Login to server and tail /var/log/secure to check errors. Refer below example. root@gateway ~]# tail -f /var/log/secure userauth_pubkey: signature algorithm ssh-rsa... Read More

User can't log in with their SSH key and I'm getting this error in /var/log/secure  Make sure that your public key is not corrupted. Try generating a new public key and paste it in the backend. Refer the following article to update the ssh... Read More

How to install php-mcrypt on Centos 64 bit ezeelogin ssh gateway server 'PHP extension 'mcrypt' is required.'Centos 5.x wget http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm rpm -ivh epel-release-5-4.noarch.rpm yum install... Read More

1. Login to Ezeelogin customer portal. 2. Select License tab & click on Reset Admin Password option corresponding to your license.       3. Select Reset password option and click RESET button.      4.... Read More

"ERROR for site owner:Invalid domain for site key" - reCAPTCHA: incorrect-captcha-sol  -Error message while setting up Google reCAPTHA   1. Make sure that you have generated reCAPTCHA API key for the IP,If you are accessing... Read More

Unable to ssh into EXOS network switch from ssh Jumphost, the error Message on the SSH Client is.... Unable to negotiate with ip on  port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1 The reason for the above... Read More

'Failed to establish SSH session' error ; unable ssh via Ezeelogin shell  1.Make sure that the  iptables / firewall is not blocking ssh traffic (check ssh port is open on both gateway & target server) and make sure SSHD is not... Read More

If you get the error " Connection has been closed. Another user may have logged in on the remote windows machine"  while doing RDP into the remote windows server, then 'right click'->'inspect'-> click Console  tab as show... Read More

How to fix Error: Could not bind to any LDAP server: 80090308: LdapErr: DSID-0C090453, comment: AcceptSecurityContext error, data 52e, v3839 Heading to the received error, The error code 52e indicates invalid credentials. Check the list below as... Read More

HOW TO RESET GOOGLE 2FA IF THE USER HAS ACCESS TO THE GUI AND HAVE ADMIN PRIVILEGES If you already have an account with admin privileges, you can reset them via the GUI itself.Log in as the admin user, navigate to the user list, select the user... Read More

Q] Unable to remote servers which have strict ciphers enabled. On the target server's side we see the error: "fatal: no matching mac found: client hmac-sha1,hmac-sha1-96,hmac-md5,hmac-md5-96,hmac-ripemd160,[email protected] server hmac... Read More

Get the error reCaptcha: Could not open socket Connection timed out Make sure the URL https://www.google.com/recaptcha/api or www.google.com IPs are not blocked on the Ezeelogin-installed servers. Read More

  Upgrading to the latest version of Ezeelogin available in the customer portal is known to fix this issues. If you continue to have issues, do read ahead. Upgrading CURL to the latest version 7.59.0 will fix the issue while accessing... Read More

I am unable to add servers using putty generated private key pair( PPK) ?  Putty key is currently not supported in Ezeelogin. You have to convert it to OpenSSH format. To convert to OpenSSH format, you can use PuttyGen.Download and install... Read More

I get the following errors in ezeelogin.log while trying to get into ezeelogin shell"Error opening terminal: linux ": :"Error opening terminal: xterm": :"Error opening terminal: vt100".   Fix : root@server1:~# rmdir /usr/share/terminfo root... Read More

'no matching host key type found. Their offer: ssh-rsa,ssh-dss [preauth]' got this error in /var/log/secure  Check if  'ssh_host_rsa_key / ssh_host_dsa_key'is enabled on your /etc/ssh/sshd_config If not enabled add or uncomment... Read More

How to fix the error "ALERT: REMOTE HOST IDENTIFICATION HAS CHANGED! Contact Administrator" while SSH into a server? This error occurs when the destination server has its OS reloaded or has a new IP address. Resetting the SSH fingerprint will clear... Read More

1. User add in your Ezeelogin Web panel prompted with the following error:   "User add failed.  sh: /usr/local/ezlogin/ezcltool: Permission denied"   Check whether you have enabled SELinux on your server. You can check... Read More

Getting Token not found error or  Session Not found when accessing Cpanel/WHM 1. Ensure that the date & time on the target Cpanel/WHM server is correct. Also, make sure the date & time on the ssh gateway is correct as well.       Use... Read More

Error: User modify failed. Cannot modify user on this node: Authentication by SSH key failed! 1. The error 'User modify failed Cannot modify user on this node: Authentication by ssh key failed' would occur when the ezeelogin installed node... Read More

Error: Server login failed. Authentication by SSH key failed!. Remote Error: (1) if: Expression Syntax.. Make sure the ssh user is using the bash shell.   finger <username> or grep <username> /etc/passwd would show the shell in use... Read More

We have multiple groups in LDAP for different users who have different authorization groups, so if we map these user groups via LDAP will these users get access to the authorized servers?        Yes, all you need to do is create a user group... Read More

How to disable web terminal application in Cpanel ?  You can disable web terminal access in Cpanel by creating /var/cpanel/disable_whm_terminal_ui  file for WHM users. root@gateway:~# touch /var/cpanel/disable_whm_terminal_ui Read More

Error: Server login failed. sh: /usr/local/ezlogin/ezutil: Permission denied   Make sure to disable selinux on your server. Run the command sestatus to see if selinux is enabled on server.You may disable selinux by editing /etc/sysconfig/selinux... Read More

Failed to connect to database: Error: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2). . An error occurred. Please contact administrator.. Can’t connect to local MySQL server through socket ’3306 ’ in ezsh.log  ... Read More

Getting the error  "npm ERR! cb.apply is not a function " when trying to install node modules to get  browser based ssh client working in Ezeelogin. [root@jumpbox webssh]#  npm install --production npm ERR!... Read More

Method 1 I am getting the following error while using the RDP via browser via the Ezeelogin GUI." Connection has been closed. Another user may have logged in on the remote windows machine " but there are no other users connected.On further... Read More

1. What is web session timeout?      It is an event occurring during an interval when a user does not perform any action. 2. How to set/enable session timeout in Ezeelogin Web Interface?    Login to Ezeelogin gateway machine/Server > Modify... Read More

Unable to ssh / Unable to log in to backend ezsh shell / backend shell exits with 'An error occurred. Please contact the administrator.'1. Check the user log file /home/{username}/ezsh.log for more details. 2. Check the log file /var/log... Read More

In Parallel Shell I get the following "An error occurred. Please contact the administrator" Make sure that in your MySQL configuration file(/etc/my.cnf), the variables "user connections" and "max connections" are configured such that they are set 1... Read More

404 error in Nginx.Note that, the Ezeelogin installation is under the directory named 'gate' In the nginx conf location directive for the server section handling ezeelogin pages, add the following rewrite rule: if (!-f $request_filename) { rewrite... Read More

How do I disable recaptcha in database?To disable recaptcha on login page, connect to mysql on ezeelogin installed gateway and set login_captcha = N in the settings table of ezeelogin's database. You can find the database name, user and table... Read More

The error "The IP field must contain a valid public IP" pop up when I enter lan ip or private ips as i need to install Ezeelogin on a machine in lan. How do I overcome this?You can install ezeelogin on a machine in LAN. The machine should have... Read More

Getting 502 bad gateway error?1. Add the following in nginx.conf:      proxy_buffer_size 128k;      proxy_buffers 4 256k;      proxy_busy_buffers_size 256k;2. Add the following in the \.php$... Read More

Forcing RDP to use TLS Encryption Windows Remote Desktop Protocol (RDP) is widely used by system administrators to provide remote operators access to internal systems and servers. In a shocking oversight, this connection does not use strong... Read More

Internal command ezinfo not displaying server details Make sure the user has been granted the privilege to 'view the server details' under Access-Control >> User-Action Also make sure that the under Settings->General->... Read More

When we use "less" and "vi" editors, keys such as "Page Up/Down, Home/End, Ins/Del" are not working. How can we fix it?Try different options of Terminal Emulation in account preferences: https://www.ezeelogin.com/user_manual/Preferences.html ... Read More

Error: Could not bind to any LDAP server: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed (self signed certificate in certificate chain) If you are getting the above error when you configured ldap from ezeelogin gui ... Read More

SET MYSQL ROOT PASSWORD What is Mysql default  Password? The default user for MySQL is the root; by default, it has no password. If you set a password for MySQL and you can’t recall it, you can always reset it and choose another one. For... Read More

"An error occurred. Please contact administrator." - Error in ssh shell while accessing remote server from ezeelogin bastion host. Looks for errors in the /home/{username}/ezsh.log. As you can see the user is unable to write the ssh sessions into... Read More

Web ssh server provides you with a service to manage your servers through a standard browser.        Error: Could not setup Ezeelogin Web SSH service 1. Make sure that "SELINUX" is disabled.      Check the status by the following command ... Read More

What is the port number used to fetch ezeelogin license? In the firewall on your Ezeelogin installed gateway servers, enable outbound port  443 traffic to license.ezeelogin.com and license2.ezeelogin.com to fetch the license. Read More

The reCaptcha images are not loading Make sure that your client/desktop firewall does not block https://www.google.com/recaptcha/api Make sure to unblock the rules in your windows/mac/Ubuntu desktop firewalls. Read More

I get the error 'PHP function 'exec' is not available.' while installing ezeelogin?   This is because these functions are disabled in php.ini on the server.    Edit the php.ini file on the server and remove 'exec' from... Read More

"Could not load configuration" or 500 error on login page error.1. Make sure SELinux is disabled on the server. -bash-4.1# sestatus SELinux status: disabled   2. Also, make sure that ioncube is loaded in PHP. You can put up a phpinfo page... Read More

I get the error /etc/init.d/mysql: line 86: logger: command not found  Had to reinstall bsdutils and it worked. apt-get --reinstall install bsdutils Read More

Internal commands like ezinfo or ezlist work only for the admin user created at the time of installation and have to be explicitly granted to other users belonging to the Admins group or Users belonging to other User groups. Grant the user View... Read More

I get the error "Unable to open session" while trying to ssh?1. Ensure that selinux is disabled the remote / target host. 2. Ensure that selinux is disable on the ssh gateway box as well.You may set selinux to disabled in /etc/selinux/config. The... Read More

Unable to access the Ezeelogin web gui with SSL enabled. The error in the application logs(/var/www/ezlogin/application/logs/log-2020-01.php) was.. ERROR - 2020-01-07 09:29:42 --> Severity: Warning --> mysqli::real_connect(): this stream... Read More

I get a blank page when accessing Ezeelogin webpanel. 1. Make sure php is running on the server.2. Make sure ioncube is loaded in php.3. Make sure all php modules such as php-mysql, php-json,php-gd, php-ldap, openssl, ioncube etc are loaded. Php... Read More

Unable to access Control Panel/ Cpanel/WHM and i am getting Error: Error occurred while communicating with the serverMake sure that the outbound ports for the control panel is open in the firewall. For Cpanel/WHM, ensure that outbound 2086/2087 ports... Read More

If you are suddenly getting a blank page in GUI and an error in SSH ' license expired!' and its not time for renewal.1. Double check that its not time for renewal.2. Flush your Ezeelogin license cache as follows Download http://downloads... Read More

  To find out the IP of your jump server for which the license needs to be purchased, execute the following command on your ssh jump server         on the designated server wget -qO- https://ezeelogin.com/myip.php    Execute the above... Read More

Could not connect to database infinite loop on restore   Make sure that your mysql root password doesn't contain any single or double quote characters. Read More

"Error: LDAP extension is not installed" while clicking ldap tab This error occurs if php-ldap extension is missing in your server. Make sure you get it installed by following the steps given below centos root@gateway:~# yum install php-ldap ... Read More

"Could not connect to remote node database" Primary server is down. I get the above error with cluster enabled.1. Ensure that the MySQL ports are open in firewall and that secondary is able to connect to primary on the MySQL port and is able to log... Read More

Unable to login into Cpanel/ whm. Getting the error Failed to Connect to IP: Permission Denied  Make sure you don't have any restrictions set in php.ini file and also make sure to disable SELinux on the server. Read More

I get the error 'Can't connect to local MySQL server through socket '3306 ' in ezsh.logEdit the file "/usr/local/etc/ezlogin/ez.conf" vi /usr/local/etc/ezlogin/ez.conf and correct the variable  db_port /var/lib/mysql/mysql.sock Read More

SSH session is slow when Virtual shell is enabled Note: Virtual shell is an experimental feature. This feature will bring slowness to the SSH sessions and interactive activities such as file editors, top, etc. will not work as in a regular shell. ... Read More

Login to openvz containers using vzctl enter fails with 'Unable to get term attr: Invalid argument' Make sure to disable virtual shell feature enabled for each user affected.   Read More

Invisible control characters in the SSH logs recorded The ssh session recording feature logs every single key press hence non-printable key-strokes such as the backspace key, CTRL keys, Function keys etc shows up as these strange characters. qui... Read More

Where are the configuration and log files for troubleshooting? The configuration file is located at /usr/local/etc/ezlogin/ez.conf Ezeelogin has two log files one for the web interface and one for the backend ssh interface. FRONTEND OR WEB... Read More

Got this error while upgrade "ERROR db user: Incorrect datetime value: '0000-00-00 00:00:00' for column 'expiry' at row 1 "   1. Execute the following query on mysql server before upgrade. You can find the Database logins from /usr/local/etc... Read More

You will have to upgrade your license so that you can add more servers If you have already upgraded and still keep getting the error, then make sure that you flush the cached license. In order to flush the license, simply login into the software... Read More

Unable to access Control Panel/ Cpanel/WHM and i am getting Error: Error occurred while communicating with the server Make sure that the outbound ports for the control panel is open in the firewall. For Cpanel/WHM, ensure that outbound 2086/2087... Read More

I get the following error on adding a new user"User add failed: Error waiting for connection: Cannot add user on this node: Could not connect" Make sure the gateway port is set correctly underSettings->General->Miscellaneous->SSH... Read More

ezsh segfault or ezsh shell crashes without any error messages and Kicked out of ezsh SSH backend shell. This is mostly likely occurring because of resource shortages. Raise the memory limits on the server and reboot.Also, make sure that... Read More

   1. Ensure that your SSH Private key does not contain weird characters while copy-pasting     2. If the ssh key generated is in OpenSSH format, you need to convert or regenerate the existing ssh key in PEM format using the commands below. ... Read More

Why does the ssh log have control characters and looks different from the actual input? The ssh logs with log type ' input', the ssh user logs would record the exact keyboard input including the ctrl characters.For example, you would be using ... Read More

Certificate verify failed   [root@gateway ~]# mysql -u ezlogin_cxn -p -h 192.168.56.124 --ssl-ca=/etc/certs/ca.pem --ssl-cert=/etc/certs/client-cert.pem --ssl-key=/etc/certs/client-key.pemEnter password:ERROR 2026 (HY000): SSL connection error:... Read More

 Broswer based SSH Client not working and keep getting the below error when running webssh node application.  root@gate# PORT=22222 node --tls-min-v1.0 /var/www/ezlogin/application/external/webssh/index.js   Error: Cannot... Read More

I get the following error on login " An error occurred. Please contact the administrator. Connection to server. hostname closed." root@gateway:~# cd /home/username root@gateway:~# tail ezsh.log This should get the answers for the error.Usually... Read More

Forbidden You don't have permission to access /ezlogin/index.php/auth/login on this server. Error message while accessing ezeelogin web gui. This could be due to a permission issue with the ezeelogin webgui file . Correct the permission to fix... Read More

Unable to add servers in the Ezeelogin web interface. And Getting the error Password fails, Times out.. etc.. Make sure that the Ezeelogin server IP is whitelisted and allows SSH traffic on the server that you are trying to add. Make sure that you... Read More

Unable to login via ssh into ezeelogin shell on cloudlinux server with Cagefs Enabled.Error:"/usr/local/bin/ezsh: No such file or directory" With CageFS (CloudLinux) enabled, you might want to exclude ssh gateway users. Add the username to file:... Read More

Invalid Google Authenticator code. Make sure the time is correct on the server and the mobile device. The server time is incorrect. The time on the server needs to be synchronized with a time server. Even, if the time on the server has an offset of... Read More

The license cache is outdated but it's not time yet This occurs due to an incorrect license file being cached. Delete the file the license cache file stored [root@gateway~]# mv /usr/local/etc/ezlogin/lic.dat /usr/local/etc/ezlogin/lic_old ... Read More

How to search for a server using the hostname or IP address in the GUI or ssh jump server interface? Under the Server tab, you can change the search option as show below. How to search for a server using the hostname, IP address, and server group in... Read More