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Category: Configurations (Linux)

Mail Sync between 2 mailservers using Imapsync

Rumi, May 12, 2018May 12, 2018

Imapsync is an IMAP transfer tool used for copying emails from one IMAP server to another IMAP server. This article will help you to install imapsync on Ubuntu, Debian, and LinuxMint systems and transfer all your Mailboxes and emails between two IMAP servers. Step 1 – Install Imapsync Imapsync package…

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Send Email from Linux Terminal

Rumi, May 12, 2018

1. Using ‘sendmail’ Command Sendmail is a most popular SMTP server used in most of Linux/Unix distribution. Sendmail allows sending email from command line. Use below instructions to send email using ‘sendmail‘ command. Create a file using following content. [root@tecadmin ~]# nano /tmp/email.txt Subject: Terminal Email Send Email Content line…

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Add a New Disk in Linux- Partition and Format

Rumi, May 9, 2018

Partition the new disk using fdisk command Following command will list all detected hard disks: # fdisk -l | grep ‘^Disk’ Output: Disk /dev/sda: 251.0 GB, 251000193024 bytes Disk /dev/sdb: 251.0 GB, 251000193024 bytes A device name refers to the entire hard disk. For more information see Linux partition naming…

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Perfect FTP Server for Debian or Ubuntu

Rumi, May 9, 2018

This installation was performed on a Ubuntu 14.04 distribution system. While there are a variety of FTP server tools available for Linux, one of the most popular and mature options is vsftpd. Begin by SSHing into your server as root and use the apt-get command to install vsftpd: apt-get update…

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Install Proxmox VE on Debian 9 – Stretch

Rumi, May 5, 2018June 2, 2018

The installation of a supported Proxmox VE server should be done via Bare-metal_ISO_Installer. In some case it makes sense to install Proxmox VE on top of a running Debian Stretch 64-bit, especially if you want a custom partition layout. For this HowTO the following Debian Stretch ISO was used: Install a…

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Upload Directory Tree To Remote FTP Server Recursively using NCFTP

Rumi, May 5, 2018

Install ncftp client Type the following apt-get command under Debian / Ubuntu Linux to install ncftp client, run: $ sudo apt-get install ncftp If you are RHEL / CentOS / Fedora Linux user, type the following yum command to install ncftp client (first turn on EPEL repo): # yum install ncftp Syntax and examples:…

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Fixing phpmyadmin login on MySQL 5.7 and Debian 9

Rumi, May 4, 2018

Once setting up the LAMP stack, you must be wondering to see that you no longer been able to login phpmyadmin using root credentials. MySQL 5.7 changed the secure model: now MySQL root login requires a sudo (while the password still can be blank). I.e., phpMyAdmin will be not able…

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How to disable Network Manager on Linux

Rumi, May 4, 2018March 8, 2019

First Check if NetworkManager is running on Ubuntu / Debian Usually you should be using NetworkManager by default (Ubuntu 14.04), just in case you want to be sure, use this command to verify: dpkg –get-selections | grep network-manager In case there is some output like: network-manager install it is installed,…

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Zimbra Exporting all mail addresses

Rumi, April 26, 2018April 26, 2018

Exporting all addresses (mailboxes, aliases and distribution lists) is a vital tool if you have a backup MX and only want it to accept email for valid recipients. One reason for that is to stop spammers who simply use a dictionary of common names to generate recipient email addresses which…

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Nginx upstream timed out

Rumi, April 22, 2018

There are two main directives responsible for Nginx upstream timed out (110: Connection timed out) error: proxy_read_timeout – Defines a timeout for reading a response from the proxied server. Default is 60 seconds. location ~ ^/slow-proxy { proxy_read_timeout 180; # <— proxy_pass …; } * you can use proxy_read_timeout inside…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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