What would you like to do? 2. We also can define where the Zabbix Server can run. V. Gitlab CI/CD (20:34) This developer built a…. I have tested this on Raspberry Pi 3 B+ and later on the Raspberry Pi 4 version. I got into Linux machine through PHP shell. We will begin by installing the Zabbix server on the VPS that we will use as the monitoring station. This can be used for more extensive environments, which also means that we have 5 containers and 5 connections. Restart agent daemon if changing this parameter. How to Customize Bash Colors and Content in Linux Terminal Prompt. 10 Dangerous Linux Commands 1. rm -rf Command. How to get a Docker container's IP address from the host, How to enter in a Docker container already running with a new TTY, Docker: Copying files from Docker container to host. How to copy files from host to Docker container? The 'sleep' command is there to prevent sending the password before the 'su' command is ready to read it. Failure to use visudo may result in syntax or file permission errors that prevent sudo from running. it says su: must be run from a terminal In my other VM's It runs perfectly fine. Edit Zabbix Configuration File. su : must be run from a terminal … As previously stated, you ask how to run Terminal as root, but more likely you actually want to run the graphical Terminal application as your normal user, and start a root shell inside it where you are logged on as root. su: must be run from a terminal. Atlassian Jira Project Management Software (v8.9.0#809000-sha1:4ceb90a); About Jira; Report a problem; Powered by a free Atlassian Jira open source license for ZABBIX SIA. Frontend. II. Here, the traefik service is used as an example. Zabbix is an open source software for networks and application monitoring. Handling the "su: must be run from a terminal" error on i. e. msys2 - readme.md it says su: must be run from a terminal In my other VM's It runs perfectly fine. 1. How can I update values based on the value from the previous day? This is a fresh install which I'm trying to get off the ground. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. "su: must be run from a terminal" How best for root to run command as user I have a script that runs as root and needs to execute a command as another user. Do you think it’s possible to set up a similar environment with Kubernetes? labels: — defining labels for traefik, including the rules for calling the service. Choose 5.0 LTS release (stable, 5-year support) or 5.2 standard release (more features, 6-month support, more bugs). If that does not work try -tt. After some googling, I found the solution from Tero’s glob. Zabbix Agent is used to monitoring remote systems by Zabbix server Edit /etc/sudoers, file, enter: # visudo VI. The command I would like to run is to check Zimbra status for nagios/nrpe. ... we use two volumes — for external scripts and for alert scripts that must be stored in the NFS Server. But pidfiles in /run are common, nonetheless, they're the norm for system services. We used virtual machines or physical servers to install Zabbix directly on the operation system. Zabbix server is installable on any Linux distribution, but in this tutorial, I will show you how to install and optimize the latest Zabbix 5.0 LTS or 5.2 Standard release on Ubuntu 20.04 (Focal) or Ubuntu 18.04 (Bionic) LTS.. Zabbix is 100% free open-source ultimate enterprise-level software designed for monitoring availability and performance of IT infrastructure components. Question. How is Docker different from a virtual machine? Why are nuclides with an even number of protons and neutrons more stable? I belive, there is not and it would not be a good idea. After receiving the connection from HAProxy, it will search for a destination container and send the package to it. su must be run from a terminal. traefik: — the name of the service (in the first line). When this flag is set, sudo can only be run from a login session and not via other means such as cron, shell/perl/python or cgi-bin scripts. Question. Is it possible to create a "digital seal" to tell if a document has been opened? If you will try to run it as 'root', it will switch to a hardcoded 'zabbix' user, which must be present on your system. HAProxy listens for connections by the frontend node. NFS Server is responsible for storing the mapped files in the containers. Is there any reason to use F flat in notating this blues riff (jazz)? JHarris I'm not sure what the original use of docker is but I'm using it for a fairly specific special scenario. So, with each attempt to access the Zabbix frontend, the request is sent to the HAProxy. Join Stack Overflow to learn, share knowledge, and build your career. Step 4: Configure and start Zabbix server. The problem is that I can't call the command su user1. Still, we don’t need to assign a specialist to manually solve such issues. How to Conve Use the -t and -it options to allocate pty in your docker exec session. Those remote commands that are executed on Zabbix agent (custom scripts) must be first enabled in the agent configuration. When you are ssh-ing in or going in via php your session is not being allocated a pty. I have tested this on Raspberry Pi 3 B+ and later on the Raspberry Pi 4 version. One will be configured as the server, and the other as a client. We are sending the request to the HAProxy address to check which nodes are available. It's more or less a freshly installed instance of Debian 7.1.0 x64 with one user on it, mc . Under SSH, you can run command foo.sh in normal user: $ ssh normal_user@1.2.3.4 bash /path/to/foo.sh if one of foo.sh's command need root privilege, for example, netstat, wrap it within su command like this (replace original raw netstat -tunple): su -c "netstat -tunpl" root and run foo.sh like this: $ ssh -t normal_user@1.2.3.4 bash /path/to/foo.sh How to Create a Centralized Log Server with Rsyslog in CentOS/RHEL 7 . Add a comment | 5. The following is probably even worse practice than the previous to set up for a web server user, but I will leave it for your judgement as it's part of the question. In this case, we can use environment 5.0. Any help is much appreciated. Thanks Alex but as said su gives 'standard in must be a tty' if called from script. Create Custom Sudo Log File 5. How can one install Zabbix Server 5.0 on CentOS 8 / RHEL 8 Linux?. Zabbix Server configuration can be defined in this environment — the name of the Zabbix Server, image, OS, etc. How to use sudo inside a docker container? Believe it or not, Zabbix 5 on Raspberry Pi can monitor up to 400 devices gathering 125 metrics every 5 minutes from each device (around 100 values per second)! When you configure load balancing using HAProxy, two types of nodes need to be defined: frontend and backend. This flag is set on many distores by default. There is a good question and answer on this here: Zabbix is a free open-source bandwidth monitoring application. ", "-t Force pseudo-tty allocation. The rm -rf command is one of the fastest way to delete a folder and its contents. You can run it on any data (interpreted program), any way you like, and there are no requirements about licensing that data to anyone. Reverse Proxy can be executed using nginx and traefik. A few times, attackers can run a malicious program (such as a virus or malware) using sudo, which would again fork a background process that remains on the user’s terminal device even when the main program has finished executing. As soon as you run the command you get various System related information which are: ... How to Install Zabbix 3.4 on RHEL/CentOS and Debian/Ubuntu. Welcome to our guide on how to install Zabbix Server 5.0 on CentOS 7 Server. Getting su: Sorry – Alec Jacobson Jun 3 '20 at 17:16. This file MUST be edited with the visudo command as root. I have perl... thanks. Install Zabbix 5 .deb package on your Ubuntu OS ( Ubuntu 20.04 Focal and Ubuntu 18.04 Bionic are supported). If we use a different name, access to the frontend will not be available. ; rm -r command deletes the folder recursively, even the empty folder. Getting Error: su: must be run from a terminal. rtop – An Interactive Tool to Monitor Remote Linux Server Over SSH. I set up the 'user' user with a password but when I try to switch to it with su, I get "su must be run from terminal". Finally, we define the command to be executed after the container is started. The log_input and log_output parameters enable sudo to run a command in pseudo-tty and log all user input and all output sent to the screen receptively.. ... Run phpmyadmin command from terminal. su: must be run from a terminal how can I spwn a shell without python pty ? It will run as whatever non-root user it is started as. su: must be run from a terminal how can I spwn a shell without python pty ? The ZABBIX server requires the following system resources: 10 MB of disk space (100 MB recommended) 64 MB of RAM (128 MB recommended) MySQL or PostgreSQL as backend database How to copy Docker images from one host to another without using a repository. Archived. In order to open Zabbix agent port in windows firewall, open Control Panel -> System and Security – > Windows Firewall and hit on Allow an app through Windows Firewall. Our previous guide was on the installation of Zabbix 4.0 on Ubuntu 18.04 server, so this guide is fit for you if doing an upgrade. Swarm consists of one or more nodes. Zabbix agent on UNIX is designed to run as a non-root user. Allow members of group wheel to execute any command: %wheel ALL=(ALL) ALL. 7. In this scenario, it is necessary to install the operating system and update it to improve performance. Find answers to plink => su: must be run from a terminal from the expert community at Experts Exchange The pidfile is written by a supervisor that runs as root, or by a launch script that's running as root before it launches the actual daemon with possibly reduced privileges. So, with each attempt to access the Zabbix frontend, the request is sent to the HAProxy. In this article, I am going to show you how to install Zabbix 4.0 on Raspberry Pi 3. Perform Zabbix initial setup. Can such a Docker approach be used in extremely large environments? See below for hints on how to configure sudo . If a node is unavailable, the HAProxy will not send the requests to these nodes anymore. It will run as whatever non-root user it is started as. Here, we have only one Zabbix Server container running. Zabbix Agent Windows Service Step 2: Configure Windows Firewall and Test Zabbix Agent. Enter your email address to subscribe to this blog and receive notifications of new posts by email. From: Pigeon Re: su : must be run from a terminal. If any Zabbix component stops, Docker Swarm will automatically start a new service/container. When I connect using SCP, I … To restore from the backup, transfer it to the appliance and execute: bzcat dbdump.bz2 | sudo mysql zabbix From: "Ben Hutchings" Prev by Date: Re: listing number of directories only; Next by Date: Re: post-2.6 upgrade problems; Previous by thread: Re: su : must be run from a terminal Zabbix can be deployed using advanced technologies, such as: Initially, the instance was divided into various components. You can only run server as 'root' if you modify the 'AllowRoot' parameter in the server configuration file accordingly. I have used each of the following solutions: ANSWER 1: use ssh -t or ssh -tt to get pty allocated when logging in using ssh: I had great fun getting commands to run right due to ptys when running sessions like this: jenkins shell -> ssh driver -> ssh test -> docker exec. Posted by u/[deleted] 2 years ago. % su - # visudo Allow user vivek to run all admin tasks via sudo: vivek ALL=(ALL) ALL. I think it is possible, though scaling Zabbix with Kubernetes is more complex than with Docker Swarm. For this Zabbix, Server traefik is not enabled. To fix this, we need to add the directory containing our scripts in the sudo secure_path by using the visudo command by editing /etc/sudoers file as follows. A terminal window/command line (Ctrl-Alt-T, Ctrl-Alt-F2) 9 Best Network Monitoring Tools For Linux. Now you can transfer the dbdump.bz2 file to another machine. You can use any SD card with 16G if you are planning to monitor a small number of devices like home network or small office. Notes (16:32) In production environments, additional patches are needed — scripts, ODBC drivers to monitor the database. Up to now, deployment has been done manually. Now I want to do privilege escalation. The services must be able to restore themselves. Click on the “Create proxy” button on the right, then set “Proxy name” to Zabbix proxy 01 and “Proxy mode” to “Active“. The main problem seems to be su: must be run from a terminal and I assume this has to do with security issues on the server and not the script, so that's why I'm asking here. With CI/CD, you don’t need to run the process manually to create the image and deploy the services. Join Stack Overflow to learn, share knowledge, and build your career. If you Google this error message, there are several solutions. I … sudo su - zcat /usr/share/doc/zabbix-server-mysql/create.sql.gz | mysql -uzabbix -p zabbix. I'm developing a docker environment for teaching purposes and need to be able to switch users inside docker. Workers that are responsible for performing the services or the loads. Subject: su : must be run from a terminal; From: STEPHANE DURIEUX Date: Wed, 3 Nov 2004 10:09:14 +0100 (CET) Message-id: < 20041103090914.88270.qmail@web86902.mail.ukl.yahoo.com> Hi, I have made a short script with the su command within I have tried : echo -ne "password\n"|su - root But it gives me the following message. And we're using stty raw -echo to set the line discipline of the remote terminal as pass through (effectively so it behaves like the pipe that would be used instead of a pseudo-terminal without -tt, though that only applies after that command is run, so you need to … So you can run server as any non-root user without any issues. How To Install Zabbix Agent on CentOS, RHEL 7/6 System with the help of this article. In the backend we define, which services are using the traefik service, the check mode, the servers running the application, and the port to listen to. The 'tail' command remove the "Password:" input line issued by 'su'. Then “su” looks up the target user's shell in the user database, which, for example, be “/bin/bash”. Re: su : must be run from a terminal. [email protected]: ... (ZABBIX), Virtualization (XEN Server), Cloud computing (Apache CloudStack) etc. I am running Python script on my Windows laptop to ssh into a Linux device and then switch to the root user using the su command and echo the password so that I can run other commands as root. How can the intelligence of a super-intelligent person be assessed? Running SSH in the container is an anti-pattern. I'm building PoC vulnerabilities in them to showcase software (in)security. We have been asked twice in our twitter account via message that how to enable root user in Kali Linux 2020. Instead of running su directly, run it via sudo made sure, you've given Apache's user permission to do that w/o password, so it'd be as simple as: sudo su …. I am connecting to a remote CentOS 5 machine, and root login is not permitted, so I would like to run the command "su - root" after login to gain root privileges. However, for the Zabbix Server and Zabbix Proxy is not enough. Answer. Why might radios not be effective in a post-apocalyptic world? restart_policy: — which policy to use if the service has a problem. Created Feb 12, 2017. Thanks. Here's why: If you write a password in a command like su -p , it would be stored in plain text in your bash history. How to select outermost vertices in a shape like this? constraints: — a place of deployment. In this file, we determine what image of Zabbix Server is used, what network the container is going to connect to, what are the service names, and other necessary service settings. Log Sudo Command Input/Output. Run Sudo Command Using a pty. Here, the traefik service is used as an example. su: muss von einem Terminal aus ausgeführt werden erledigt Hexxit-01 sichern ... fertig Gesamtsicherungsgröße (175 MiB) = (5000 MiB) ... fertig Hexxit Server wird ausgeführt und das Speichern wird erneut aktiviert ... su: muss von einem Terminal aus ausgeführt werden su: muss von einem Terminal aus ausgeführt werden erledigt . In this way the graphical terminal application is not granted root privileges. or as part of a build process (using a Dockerfile?). Dash or underscore? Remote commands on Zabbix agent are executed without timeout by the system.run [,nowait] key … 'su' command in Docker returns 'must be run from terminal', https://unix.stackexchange.com/questions/105422/command-must-be-run-from-a-terminal, https://github.com/docker/docker/issues/8631, State of the Stack: a new quarterly update on community and product, Podcast 320: Covid vaccine websites are frustrating. Confirm that all … When you configure load balancing using HAProxy, two types of nodes need to be defined: frontend and backend. The main problem seems to be su: must be run from a terminal and I assume this has to do with security issues on the server and not the script, so that's why I'm asking here. Thanks for contributing an answer to Stack Overflow! Zabbix agent executes commands in background. Thanks to all. Close. The problem is that I can't call the command su user1. Try Jira - bug tracking software for your team. However, when the interpreter is extended to provide “bindings” to other facilities (often, but not necessarily, libraries), the interpreted program is effectively linked to the facilities it uses through these bindings. Questions & Answers (25:53). bzhtux / su : must be run from a terminal. I tried to run the official Docker image rchakode/realopinsight:2019.r1.0 on a kubernetes cluster with tightened security. I have bash script that switches users. In the frontend, we configure the port to receive communications and associate the backend to it. We don’t need to connect to the terminal to start the environment. Check Sudo Secure Path. https://github.com/docker/docker/issues/8631, ANSWER 3: use python to spawn a pty in your shell. The requiretty if set in sudo config file sudoers, sudo will only run when the user is logged in to a real tty. The 'sleep' command is there to prevent sending the password before the 'su' command is ready to read it. @TSG Modern distributions usually create a per-user directory in /run/user.I don't recall that /run itself was ever writable by everybody. – Viktor Trón Jun 12 '12 at 18:38 I tried the above on a RHEL 6.2 box (before recommending it) as … Managers that are responsible for managing the cluster and can perform. Now share my professional skill each interested person. Embed. For the frontend, we have another option, for instance, using the Zabbix image. Is it feasible to circumnavigate the Earth in a sailplane? This script allows for using ODBC drivers for Oracle, MySQL, etc. Is there any reason why there is not an excemption for root? I'd be interested to know more about your use case / setup. IV. © 2001-2021 by Zabbix LLC. Create .gitlab-ci.yml. Asking for help, clarification, or responding to other answers. I also tried pam authentication but that gave me a php warning saying that the dll wasn't found (even though I changed it to something I know is in /etc/pam.d and works). Zabbix provides agents to monitor remote hosts as well as Zabbix includes support for monitoring via SNMP, TCP and ICMP checks. Learn Linux Tricks & Tips. Share Copy sharable link for this gist. Zabbix agent should run on the remote host and accept incoming connections. Benefits of the architecture (24:57) Here, to access the frontend, we can use the ‘frontend.domain‘ name. In the backend we define, which services are using the traefik service, the check mode, the servers running the application, and the port to listen to. I get this if I try to ssh into the docker and also by issuing commands through a php shell (an apache service is running on the Docker instance). Step 1 is a welcome page, click “Next step” to proceed. Then, when configuring a new action in Configuration → Actions: Define the appropriate conditions. In the frontend, we configure the port to receive communications and associate the backend to it. Enter your Zabbix database user password when prompted. The Compose file — ./docker-compose.yml — a YAML file defining services, networks, and volumes. To fix this, we need to add the directory containing our scripts in the sudo secure_path by using the visudo command by editing /etc/sudoers file as follows. Example of customizing the Zabbix image to install ODBC drive. So you can run agent as any non-root user without any issues. In this post, a new approach with Zabbix in High Availability is explained, as well as discussed challenges when implementing Zabbix using Docker Swarm with CI / CD and such technologies as Containers, Docker Swarm, Gitlab, and CI/CD. – Abhishek Kashyap Feb 5 '18 at 10:04. Remote commands do not work with active Zabbix agents. Running your example above on my Linux machine returns the following error: su: must be run from a terminal This is because su tries to make sure it's being run from a terminal. su : must be run from a terminal. Compose file and Deploy (8:08) — HAProxy listens for connections by the frontend node. For this Zabbix, Server traefik is not enabled. Beware that the rootpassword could be see in many ways (history, ps, /proc/, etc...). I am not a root user nor in root's group. To complete the image customization, we need to: This process is performed manually and should be automated. Then we install ODBC drivers. We will … 3. https://unix.stackexchange.com/questions/105422/command-must-be-run-from-a-terminal, "Try the -t option to ssh. But all I can do is execute a file as root without a password. In this step, we're going to install the Zabbix 4.0 LTS. ... To continue, enter the following in the terminal: ... To run commands as root, su … Believe it or not, Zabbix 5 on Raspberry Pi can monitor up to 400 devices gathering 125 metrics every 5 minutes from each device (around 100 values per second)! I did find a workaround running python but would need a consistent solution. Our previous guide was on the installation of How to Install Zabbix Server on Ubuntu.Zabbix is a powerful open source monitoring solution used to monitor server applications, systems, Network devices, Hardware appliances, IoT … su : must be run from a terminal After some googling, I found the solution . Here, we can define, for instance, database address, database username, number of pollers we will start, the path for external and alert scripts, and other options. So, it is necessary to change the default networks — Docker network overlay and Docker bridge. Edit your Zabbix configuration file /etc/zabbix/zabbix_server.conf and set database … Typically, Docker official images from Zabbix are used. However, it seems that newer versions of su won't let me do that.