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Category: Administrations

MOTD with NeoFetch

Rumi, July 1, 2024July 3, 2024

Install NetoFetch First: sudo apt install neofetch sudo cp motd.sh /etc/profile.d/motd.sh sudo chmod +x /etc/profile.d/motd.sh Open the motd.sh filw using text editor and paste below: #!/bin/bash printf “\n” neofetch Exit from shell and re-login- Voila!

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Install LetsEncrypt on Debian with Nginx Server

Rumi, June 30, 2024

Install Certbot and its Nginx plugin with apt: sudo apt install certbot python3-certbot-nginx Certbot provides a variety of ways to obtain SSL certificates through plugins. The Nginx plugin will take care of reconfiguring Nginx and reloading the config whenever necessary. To use this plugin, type the following: sudo certbot –nginx -d…

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Reset XCP-ng root password

Rumi, June 28, 2024

The full prodecure can also be found on xcp-ng site. Reboot your XCP-ng into Grub boot menu. Select XCP-ng boot menu entry and press e key to edit boot options. Locate the read-only parameter ro and replace it with rw init=/sysroot/bin/sh. Press Ctrl + X to boot into single-mode. From…

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Creating 1:1 NAT using iptables

Rumi, June 8, 2024

Its a POC where I needed a 1:1 NAT using  Linux iptables. I used 2 Debian 11 OS for this and here’s the machine IP plans- VM-1: IPTables/NAT Router- 123.45.67.5/24, 123.45.67.6/24 and 192.168.10.5/24 VM-2: Backend Server- 192.168.10.6/24 (this VM’s gateway will be 192.168.10.5 On VM-1 Uninstall nftables and its Dependencies…

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MinIO object storage upload using curl

Rumi, June 7, 2024

#!/bin/bash # Usage: ./minio-upload my-bucket my-file.zip bucket=$1 file=$2 host=minio.example.com s3_key=svc_example_user s3_secret=svc_example_user_password resource=”/${bucket}/${file}” content_type=”application/octet-stream” date=`date -R` _signature=”PUT\n\n${content_type}\n${date}\n${resource}” signature=`echo -en ${_signature} | openssl sha1 -hmac ${s3_secret} -binary | base64` curl -X PUT -T “${file}” \ -H “Host: ${host}” \ -H “Date: ${date}” \ -H “Content-Type: ${content_type}” \ -H “Authorization: AWS ${s3_key}:${signature}” \…

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Debian/Ubuntu font installation using command

Rumi, June 7, 2024

Install a font manually by downloading the appropriate .ttf or otf files and placing them into /usr/local/share/fonts (system-wide), ~/.local/share/fonts (user-specific) or ~/.fonts (user-specific). These files should have the permission 644 (-rw-r–r–), otherwise they may not be usable. Run fc-cache to update the font cache (add -v for verbose output). The…

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Install LAMP- Apache, PHP 7.4 with Apache Handler on Debian 12

Rumi, June 7, 2024June 7, 2024

Well, it’s not perfectly a LAMP stack as MySQL and PHPMYadmin are not covered here. But for someone who needs a backward compatible php edition to work on a modern/latest os built. Step1: Add PHP repository We’ll use a bash script to add the repository- #!/bin/sh # To add this…

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Setup Apache, FastCGI and PHP 7.4 on Ubuntu 20

Rumi, May 25, 2024

Prerequisites Update the installed packages. apt update Install the Ondřej PHP repository. apt install software-properties-commonsudo add-apt-repository ppa:ondrej/php apt update Check that the repositories are correctly installed. grep ^ /etc/apt/sources.list /etc/apt/sources.list.d/* Step 1 – Install Apache apt install apache2

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Nginx with Let’s Encrypt on Debian 10

Rumi, March 23, 2024

Step 1 — Installing Certbot The first step to using Let’s Encrypt to obtain an SSL certificate is to install the Certbot software on your server. Installing the python3-certbot-nginx package from the Debian repositories will allow us to install and use Cerbot’s nginx plugin. Working with Python 3 and the…

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Administrations

Set Up and Use Syncthing to Sync Files on Linux

Rumi, March 23, 2024

Syncthing is a powerful, decentralized, open-source file synchronization software that allows users to easily and securely synchronize files between different devices and platforms, including Windows, Linux, macOS, and Android, making it a versatile solution for individuals and organizations. In addition, it uses a peer-to-peer architecture, meaning that files are synchronized…

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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.

Tags

Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx openvpn pfsense php Postfix powerdns Proxmox RDP SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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