INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL

-
In this tutorial, How to installing and configuring USB 3G/4G Data on CENTOS/RHEL.

INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL


To install wvdial usb_modeswitch usb_modeswitch packages for USB 3G modem.

$ sudo yum install wvdial usb_modeswitch-data usb_modeswitch

To check log

$ dmesg | grep tty

Plug and connected and detected for USB 3G modem on CENTOS/RHEL. To configure wvdial

$ vi /etc/wvdial.conf 

The content wvdial file as below

[Dialer 3gviettel]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,"IP","e-internet"
Stupid Mode = 1
Modem Type = Analog Modem
ISDN = 0
Phone = *99#
Modem = /dev/ttyUSB0
New PPPD = yes
Username = { }
Password = { }
Baud = 460800
Auto DNS = off
check DNS =no
Auto Reconnect = on

Loading module USB 3G/4G modem

$ modprobe usb_wwan usb-storage usbserial

Running wvdial for 3gviettel

$ wvdial 3gviettel &

Yeh, You can add DNS in /etc/resolv.conf file.

$ vi /etc/resolv.conf

The content resolv.conf as below

nameserver 8.8.8.8
nameserver 208.67.222.222

Debugging steps for USB 3G/4G Modem


To use usb-devices or lsusb command

$ usb-devices

Or

$ lsusb

Conclusion

Thought the article, How to "INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL" as above . You want to become Devops :) .  I hope will this your helpful.

Comments

Post a Comment

Popular posts from this blog

How to Install Python 3.13

-
Introduction Python 3.13, the latest version of the Python programming language, comes with several performance enhancements, improved syntax, and more powerful libraries. Whether you're a beginner or an experienced developer, installing the latest version is crucial for taking full advantage of these features. This deep guide will cover the installation process on Windows, macOS, and Linux, followed by advanced configuration tips for an optimal Python environment. In this tutorial, you'll also learn how to set up virtual environments, manage dependencies, and handle multiple Python versions efficiently. Let’s explore the full how to install Python 3.13 journey across different operating systems and dive into more advanced topics. Why Upgrade to Python 3.13? Before diving into the installation, it’s worth highlighting the key improvements and features that come with Python 3.13: Asynchronous Performance : Enhanced performance for asynchronous operations and networking. Syntax ...
Read more

zimbra some services are not running [Solve problem]

-
Introduction How to solved zimbra some services are not running. That after, to installed zimbra mail server. The display a some admin console status red in environment multiple server ( zimbra ldap, zimbra mailbox, zimbra mta etc.). Link to below you maybe likes: How to install and configure zimbra multi server.   How to restrict to user sending mail on zimbra 8.6. How to Restrict Sending to Distribution list in zimbra mail. How to change last login time for all accounts in zimbra ldap. How to zimbra reject authenticated sender login mismatch. Error zimbra some services are not running as bellow Step by step guide the solve problem zimbra some services are not running To restart and enable cron service the permanently. service crond restart chkconfig crond on Opening rsyslog.conf file and uncomment the following. vim /etc/rsyslog.conf Uncomment these two lines $modload imupd $UDPServerRun514   To restart and enable rsyslog service the permanently. servic...
Read more

How to Install Docker on Linux Mint 22: A Step-by-Step Guide

-
Introduction Docker has become an essential tool for developers and system administrators, providing a streamlined way to deploy and manage applications in containers. This guide will walk you through the process of installing Docker on Linux Mint 22, from the basics to more advanced configurations. What is Docker Docker   is a platform designed to simplify the development, deployment, and running of applications by using containers. Containers allow developers to package an application with all its dependencies, ensuring that it runs consistently across different environments. Why Use Docker on Linux Mint 22? Linux Mint 22, known for its stability and user-friendly interface, is an excellent choice for setting up Docker. Whether you're a developer looking to streamline your workflow or a sysadmin managing complex applications, Docker on Linux Mint can significantly enhance your productivity. Prerequisites Before we start, make sure you have the following: A system running Lin...
Read more