Squid is probably the most known and popular open-source caching proxy server. The squid proxy server supports a lot of caching protocols (ICP, HTCP, CARP, WCCP), and allows to proxy…
Let’s look at several ways to access data stored on the datastore with the VMFS file system of the ESXi host (these are configuration files, data files, and snapshots of…
Today, PowerShell is an open cross-platform shell and scripting language that can be installed and used on Windows, Linux, macOS, and other platforms. In this article, we’ll show how to…
Parted is a PARTition EDitor for Linux to create, format, delete, shrink and extend disk partitions. The tool is easy to use and available in all Unix/Linux distros. A GUI…
In this article we will discuss how to check the performance of a disk or storage array in Linux. IOPS (input/output operations per second) is the number of input-output operations…
In my work I sometimes come across a problem when Linux is booted with the “Welcome to emergency mode” message. Most often, this problem occurs after an emergency power outage on…
In this article we’ll show how to configure ICMP-based network device monitoring using ping in Zabbix. It is the easiest and the most popular task of agentless monitoring, when you…
In this article we will consider a step-by-step configuration of a transparent SSO (Single Sign-On) authentication for Zabbix 4.0 (or newer) in Active Directory using Kerberos.
Zabbix is an enterprise-level open-source monitoring system. Currently, Zabbix is one of the most popular and powerful free monitoring systems. Due to its simple installation and configuration, Zabbix may be…