Howto change date, time and timezone on CentOS 7 Redhat RHEL

Howto change date, time and timezone on CentOS 7 Redhat RHEL

CentOS

By default, your CentOS or Redhat Server maybe don’t have correct time or timezone. So we have to do the configuration for that.

Ste...

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Howto Configure RTPproxy on AWS EC2 Instance

Howto Configure RTPproxy on AWS EC2 Instance

EC2 Ubuntu 3

For AWS EC2 Instance, it’s using natting on AWS so we will not have public IP address directly on Server RTPProxy, So we have to configure rtp proxy for that.

Step ...

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Howto configure Asterisk NAT on AWS EC2 Instance

Howto configure Asterisk NAT on AWS EC2 Instance

asterisk

On EC2 Instance Amazon, when we install asterisk, we maybe get the problem with audio on that. So we have to configure NAT setting to fix that.

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Howto install epel repository on Amazon EC2 instance

Howto install epel repository on Amazon EC2 instance

EC2 Ubuntu 10

On Amazon EC2 , you can install epel on Amazon EC2 which running Centos, Redhat or Amazon Linux.

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Howto fix security vulnerability CVE-2015-7547 on Redhat RHEL

Howto fix security vulnerability CVE-2015-7547 on Redhat RHEL

redhat

Step 1: Create a sh file script to check security on your Redhat Server

vi g...

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Howto download git URL by git command

Howto download git URL by git command

git

We can use git to download or mirror source code or package from Internet.

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Howto install kamailio on Centos 7 and RHEL

Howto install kamailio on Centos 7 and RHEL

Kamailio 3

Kamailio is the best of SIP Router platform. This topic will help you to install this.

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Howto listen ftp traffic by tcpdump

Howto listen ftp traffic by tcpdump

tcpdump

To listen or sniffer ftp traffic port 21,  you can run tcpdump on your ftp server.

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Howto sniffer ssh traffic by tcpdump

Howto sniffer ssh traffic by tcpdump

tcpdump

To listen and sniffer ssh traffic to your Centos server, you can use tcpdump to listen that.

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Howto sniffer Web traffic by tcpdump

Howto sniffer Web traffic by tcpdump

tcpdump

To troubleshooting web traffic or listen web service on your web server. You can use Tcpdump to listen that.

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