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by İsmail Baydan · Published 27/03/2018
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 actually a suite which provides following components. Nagios IX Nagios...
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by İsmail Baydan · Published 03/11/2017
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 low level messages which is not logged by other subsystems....
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by İsmail Baydan · Published 16/08/2017
Web servers logs provides a lot of information about the web application and user . Apache is very popular web server used by millions of web sites. Apache provides different types of logs like access , error etc. In this tutorial we will look how access log configured and try to understand...
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by İsmail Baydan · Published 17/06/2017
Robocopy or Robust File and Folder Copy application is very popular amongst in Windows system administrators. Robocopy will copy local or given file to the remote or destination location. Syntax
1 | robocopy SOURCE DESTINATION FILE OPTIONS |
Copy Folder The most basic operation with robocopy is copying sources folders to the destination. In this example we will...
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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | $ 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 3 commits for the whole history of the Git repository....
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by İsmail Baydan · Published 15/04/2017
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 command line with a popular tool named netsh . Netsh is...
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by İsmail Baydan · Published 08/04/2017 · Last modified 18/06/2017
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. Psexec is actually a toolset consisting of following tools. PSexec used...
Blog / CentOS / Debian / Docker / Fedora / Linux / Mint / RedHat / Ubuntu / Virtualization
by İsmail Baydan · Published 26/03/2017
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 stat information. While running docker sub-commands we need root privileges....
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by İsmail Baydan · Published 08/03/2017 · Last modified 12/10/2017
Logrotate main purpose is to easy administrator of Linux logs. It is very talented tool it can Automatic rotation Compression Removal Mailing Logs Logrotate can be configured and run accordingly with configuration files. We will look all of them in this tutorial in detail. Configuration File Logrotate generally works as...
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by İsmail Baydan · Published 07/03/2017 · Last modified 27/03/2018
Linux provides different tools to download files via different type of protocols like HTTP, FTP, HTTPS etc. wget is the most popular tool used to download files via command line interface. Wget is supported by Linux, BSD, Windows, MacOSX. Wget has rich feature set some of them can be listed Resume...
