Since then, Nagios has gone a long way, awarding itself a strong reputation for doing a great job monitoring servers and network devices. This open-source network monitoring tool was launched in 2002 under the name NetSaint. Users can easily deploy different policies for each zone. It allows the user to operate on groups of computers connected to the interface, instead of working on groups of addresses. The advantage of using Shorewall is that it divides the interfaces into zones, assigning different levels of access to each one. Shorewall reads configuration files and configures Netfilter in the Linux kernel, with the support of the ip, tc, iptables, and iptables-restore utilities. This tool adds an abstraction layer for achieving a higher-level configuration of Netfilter. You can ping IPv4 or IPv6 address and the installer are available for Ubuntu, CentOS, macOS, and Windows. This can be a great choice when you have to compare the ping latency for two or more URLs. The great thing is, gping lets you visualize multiple endpoints ping in a real-time graph. gpingĪ fantastic graph-based PING utility. In others, like Debian, Ubuntu, and Linux Mint, you can install Cockpit from its official PPA. In some distributions, like Fedora, CentOS and RHEL, Cockpit can be found in the official repositories. The installation procedure varies for each distribution. The tool was created for Red Hat, but it runs on many Linux server distributions, besides Red Hat Enterprise Linux (RHEL): Fedora, Arch Linux, Ubuntu, CentOS, among others. It offers a web-based GUI that facilitates storage admin tasks, service starting/stopping, journal inspection, and multi-server setup management. It stands out for being “beginner-friendly”: it is easy to use, lightweight and simple, yet very powerful. CockpitĬockpit is another server administration tool. After that, you simply run the command: dpkg -i webmin_(version).deb. You just have to download the latest version and copy it to the server’s home folder. If you need something that is not included in the default package, you can pick one from a huge catalog of third-party modules that bring added functionality. From file sharing to DNS, to Apache web server and various databases. This one-stop-shop tool offers a web-based interface for administering every aspect of a Linux server. These profiles can be reused for later scans. Zenmap can store profiles, which certainly is one of its strengths. Besides network scanning, Zenmap can be used for penetration testing and port scanning, either by experienced or beginner sysadmins. It is a front end for the Nmap network scanner that not only runs on Linux but also in Windows, BSD, other versions of Unix, and macOS. It is not a tool you’ll use daily to administer your system, but it will prove to be invaluable when the need to scan the network to troubleshoot issues arises. When you need to discover network-related issues, Zenmap will come to the rescue. ![]() The following tools should help you in many ways. It could be a database, application server, web server, messaging applications, caching, etc. The GitHub issue tracker for porting Zenmap to Python 3 can be found here.Sooner or later, all system administrators face the challenge of administering servers.Īnd, tools come to rescue the sysadmin’s life.Īs a sysadmin, you just don’t work on core OS (Linux or Windows) but also deals with what is hosted on them. Note: I have filed bug-report launchpad as with packaging request. Such installation needs ~330 Mb of downloads, and will use ~1 Gb on disk. If one does not want to use manually downloaded deb-packages, then it is possible to use Flatpak version of ZenMap as follows: sudo apt-get updateįlatpak remote-add -if-not-exists flathub You can install Zenmap manually from 19.10 repository: mkdir -p ~/Downloads/zenmap ![]() It was removed from the repository due to relying on Python 2 which reached End-of-Life at the start of 2020.
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