Resources, Articles, Tricks, and Solutions in connection to Server Management Service

Cant locate LWP UserAgent pm in @INC

This article will guide you on how to get rid of error "Can't locate LWP/UserAgent.pm in @INC" which occurs in the process of installing #applications like CSF in the DirectAdmin server or any other #Linux #distros. 

libwww-perl (also known as LWP) is a collection of #Perl #modules that provide a simple and consistent programming interface (API) to the World-Wide Web.

In order to install and use this #package you will need Perl version

5.8.1 or better:

Some modules within this package depend on other packages that are distributed separately from Perl.  We recommend that you have the following #packages installed before you install

libwww-perl:

i. Digest-MD5

ii. Encode-Locale

iii. HTML-Form

iv. HTML-Parser

v. HTML-Tagset

vi. HTTP-Cookies

vii. HTTP-Date

viii. HTTP-Message

ix. HTTP-Negotiate

x. libnet

xi. LWP-MediaTypes

xii. MIME-Base64

xiii. Net-HTTP

xiv. URI

xv. WWW-RobotRules


If you want to access sites using the https protocol, then you need to

install the LWP::Protocol::https module from CPAN.

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Install Graylog on CentOS 7 How to do it

This article will guide you on steps to #Graylog on #CentOS 7 and an effective method to make the logs more structured and searchable.

Graylog is a leading centralized log management solution built to open standards for capturing, storing, and enabling real-time analysis of terabytes of #machine data. 

Graylog is an open source log management platform which enables you to aggregate up to terabytes of log data, from multiple log sources, DCs, and geographies with the capability to scale horizontally in your data center, #cloud, or both.

To #Install Graylog 3 with Elasticsearch on CentOS 7:

1. Configure #SELinux. 

2. Add required #repositories 

3. Install #Java, #Elasticsearch, and #MongoDB. 

4. Configure Elasticsearch for Graylog. 

5. Install Graylog 3 on CentOS 7. 

6. Start Graylog service on CentOS 7.

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Cloudflare error 504 gateway timeout

This article will guide you on different methods to troubleshoot and fix #Cloudflare 504 gateway timeout error.

The #504 #Gateway #Timeout #error is an #HTTP status code means that one server did not receive a timely response from another server that it was accessing while attempting to load the web page. This usually occurs when one of the two servers is down or not working properly.

To Fix 504 Gateway Timeout Errors:

1. Look for server connectivity issues.

2. Check for any #DNS changes.

3. Sift through your #logs.

4. Fix faulty #firewall configurations.

5. Comb through your website's code to find bugs.

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Backup and Restore Nagios Log Server

This article will guide you on the steps to perform #backup and #restore a #Nagios #Log #Server cluster. Taking Backup and Restore of Nagios Log Server helps not to lose any data as it is held in other instances.

Backup and recovery describes the process of creating and storing copies of #data that can be used to protect organizations against data loss. #Recovery from a backup typically involves restoring the data to the original location, or to an alternate location where it can be used in place of the lost or damaged data.

To do a backup and system restore:

1. Click Start.

2. Go to Control Panel.

3. Go to System and Security.

4. Click Backup and Restore.

5. At the Back up or restore your files screen, click Restore my files. 

6. Browse to locate the backup file. 

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Steps to Deploy Virtual Machines in RHEV Environment

This article will guide you on how to #deploy #virtual #machines in the #RHEV environment and also on #Linux and #Windows virtual machines.

A Virtual Machine (#VM) is a compute resource that uses software instead of a physical computer to run programs and deploy apps. One or more virtual "guest" #machines run on a physical "host" machine.

The main purpose of VMs is to operate multiple operating systems at the same time, from the same piece of hardware. Without virtualization, operating multiple systems — like Windows and Linux — would require two separate physical units.

The two basic types of virtual machines are process and system VMs:

1. A process virtual machine allows you to run a single process as an application on a host machine. 

2. A system virtual machine is a fully virtualized #VM designed to be a substitute for a physical machine.

Your virtual machine internet connection goes through your computer and through your router. So they can track your router's #IP address, and possibly track you down at least to your city, if not to individual street or house.

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Install InfluxDB on CentOS 7

This article will guide you on steps to Install #InfluxDB on #CentOS 7. You can Turn any InfluxData #instance into a production-ready cluster that can run anywhere. Easily create and share a comprehensive monitoring solution.

InfluxDB is similar to a #SQL #database, but different in many ways. Relational databases can handle time series data, but are not optimized for common time series workloads. InfluxDB is designed to #store large volumes of time series data and quickly perform real-time analysis on that data.

The local InfluxDB configuration file is located here: Linux: /etc/influxdb/influxdb. conf. macOS: /usr/local/etc/influxdb.

To Install InfluxDB:

Option 1 : Download the InfluxDB archive via the browser.

Option 2 : Adding the #repositories to your package manager.

i – Start your InfluxDB service.

ii – Configure your InfluxDB instance.

iii – Test your InfluxDB instance.

iv – #Download InfluxDB 2.0 archive from the website.

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