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Category: Configurations (Linux)

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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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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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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Create Jellyfin CDN using Nginx

Rumi, March 20, 2024March 23, 2024

user www-data; worker_processes auto; pid /run/nginx.pid; include /etc/nginx/modules-enabled/*.conf; events { worker_connections 768; # multi_accept on; } http { ## # Basic Settings ## sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; # server_tokens off; # server_names_hash_bucket_size 64; # server_name_in_redirect off; include /etc/nginx/mime.types; default_type application/octet-stream; ## # SSL Settings…

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Proxmox Firewall Service Disable using Command

Rumi, March 20, 2024

Chrooting and then doing: systemctl disable pve-firewall systemctl mask pve-firewall should do the trick. then after rebooting and fixing your config, systemctl unmask pve-firewall systemctl enable pve-firewall systemctl start pve-firewall Should return to the defaults again. Ports used by Proxmox VE Web interface: 8006 (TCP, HTTP/1.1 over TLS) VNC Web…

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Install InfluxDB on Ubuntu 20

Rumi, March 13, 2024

InfluxDB is a time-series database licensed under open source. It helps to collect metric data from devices such as servers, switches, virtual servers, ups and plot graphs in realtime. It is written in Go language and optimized for fast and high availability. Enabling Repository Install InfluxDB by importing the key…

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Create Internal Network in XCP-ng using XCP-ng Center

Rumi, March 12, 2024March 12, 2024

You may need to add a new network that’s internal network for your internal applications communication. You have the flexibility of configuring up to 16 networks per managed server. This operation can be performed on XenCenter or Xen Orchestra web console. Choose the solution you have in your Infrastructure to…

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Disable gpgcheck on command line with yum install

Rumi, March 12, 2024

It’s pretty straightforward, just hit- yum –nogpg install <package_name>

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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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Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker endian icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx 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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