Linux, Windows, Security, Programming, Network Tutorials
NTP is a core protocol used today’s IT infrastructure to synchronize date and time information. In order to work properly, we need to configuration NTP port in our server, client and intermediate systems like switch, firewall, router. NTP Port UDP 123
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syslog is a standardized protocol used to send Logs and events to the Log server. syslog can be used in different platforms like Linux, Windows, Unix, Applications etc. In this tutorial we will look the default syslog port and secure syslog port
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Nagios is an open source system, network, application monitoring system. Nagios is designed to be run on Linux operating system or distributions like Ubuntu, Debian, CentOS etc. Architecture and Components Nagios is not a single component to run. Nagios is
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dmesg is used to print and control kernel ring buffer. This explanation may be confusing for the most of the readers. Here simplified explanation. dmesg provides logs for troubleshoot, diagnose or save which is created by Linux kernel. It provides
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Web servers logs provide a lot of information about the web application and user. Apache is a very popular web server used by millions of web sites. Apache provides different types of logs like access , error etc. In this tutorial,
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Robocopy or Robust File and Folder Copy application is very popular amongst in Windows system administrators. Robocopy will copy the local or given file to the remote or destination location. Syntax The general syntax of robocopy command is like below. SOURCE
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Git stores all commits as snapshots. We can commit limitless. If we can to review our commits we can use log command. Git Log We can simple list commits without any argument tot the log command.
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$ git log commit 877ab08a2c122c70326bb025530e48cb673c8505 Author: John Doe <jdoe@poftut.com> Date: Sat Oct 8 04:23:46 2016 +0000 Version 4,Added LICENSE commit 22dc9ad592d5bc21412a246791a05abd42e72793 Author: John Doe <jdoe@poftut.com> Date: Sat Oct 8 04:16:57 2016 +0000 Version 2, Add README commit 1156333b153c7bc164e194caf49a2720e490cb61 Author: John Doe <jdoe@poftut.com> Date: Fri Oct 7 09:32:07 2016 +0000 Start |
As we see there are
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Windows firewall is a useful mechanism which is used to control network traffic and ports. There are different ways to manage Windows firewall like GUI, Powershell and MS-DOS. Today we will look in detail how to manage windows firewall from
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Windows operating system provides different ways to manage remote systems. Telnet, RDP, VNC are some of them. But these options are generally bound to a graphical user interface. If we prefer command line interface there is an alternative named Psexec.
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Docker provides different tools to monitor the containers. In a busy environment there will be a lot of images and containers hard to remember. We can use information sub-commands provided by docker to get more detailed port, disk, diff, event
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