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Showing posts from November, 2018

How to check accounts that are not active in zimbra

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Introduction Managing email accounts effectively is a critical task for system administrators using Zimbra, an open-source collaboration suite. Identifying inactive accounts ensures optimal server performance, security, and storage efficiency. In this article, we’ll explore how to check accounts that are not active in Zimbra using a streamlined approach. Why Check for Inactive Accounts in Zimbra? Benefits of Identifying Inactive Accounts Inactive accounts can lead to various issues, including: Wasted Storage : Dormant accounts consume server space. Security Risks : Unused accounts may become vulnerable to unauthorized access. Operational Efficiency : Regular cleanup enhances system performance and maintainability. By identifying and addressing inactive accounts, administrators can maintain a secure and efficient email environment. Step-by-Step Guide to Checking Inactive Accounts in Zimbra Prerequisites Before you begin, ensure you have: Admin Access : Permissions to execute commands on...

How to install 3proxy on centos 7

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In this tutorial, How to install 3proxy on centos 7 ? How to configure 3proxy for multiple 3G USB modems. Pre-install The package for Centos 7 $ sudo yum update $ sudo yum -y install wget nano epel-release net-tools $ sudo yum -y groupinstall "Development Tools" $ sudo systemctl stop firewalld && systemctl disable firewalld # For example, My LAB turn off firewalld. Installing 3proxy on Centos 7 $ wget https://github.com/z3APA3A/3proxy/archive/0.8.12.tar.gz $ tar zxfv 3proxy.gz $ cd 3proxy-0.8.12/ $ sudo make -f Makefile.Linux $ sudo mkdir /usr/local/3proxy $ sudo cp src/3proxy /usr/local/3proxy/ $ sudo chmod +x /usr/local/3proxy/3proxy Creating the main configurator 3proxy.cfg file. $ sudo nano /usr/local/3proxy/3proxy.cfg And paste the following content: #!/bin/bash IPv4=`ip addr list enp0s3 | grep " inet " | head -n 1 | cut -d " " -f 6 | cut -d / -f 1` IP=`ip addr list ppp0 | grep " inet " | head -n 1 | cut -d " ...

How to install wvdial on ubuntu 18.04: A Comprehensive Guide

Introduction Learn how to install wvdial on Ubuntu 18.04 with our detailed, step-by-step guide. Perfect for setting up your USB 3G/4G Modem. Includes troubleshooting tips and frequently asked questions. If you're working with USB 3G/4G modems on Ubuntu 18.04, you may find that wvdial is an essential tool for managing your modem connections. However, installing wvdial can be tricky, especially when it comes to resolving dependency issues. This comprehensive guide will walk you through the process of installing wvdial on Ubuntu 18.04, addressing common problems, and ensuring a smooth setup. Why Install wvdial on Ubuntu 18.04? wvdial is a versatile utility that simplifies the process of connecting to the internet via a modem. Although newer network managers are available, wvdial remains a preferred choice for many users who require a reliable, command-line interface for their 3G/4G modem connections. Ubuntu 18.04, while powerful and user-friendly, may not include all the necess...

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 fi...