Install Monitorix on CentOS 7 Rumi, October 3, 2025 To install Monitorix on CentOS 7, first, enable the EPEL repository using sudo yum install epel-release, then install the necessary packages with sudo yum install monitorix rrdtool perl-libwww-perl perl-DBI. After installation, enable and start the Monitorix service with sudo systemctl enable –now monitorix and access the dashboard by navigating to… Continue Reading
Configure Centos 7 with multiple ip in bridge mode br0 Rumi, October 3, 2025 Configuring CentOS 7 with multiple IP addresses on a network bridge involves creating a bridge interface, adding a physical interface to it, and then assigning multiple IP addresses to the bridge. 1. Create the Bridge Interface: nmcli con add type bridge con-name br0 ifname br0 2. Configure the Bridge Interface:… Continue Reading
1:1 NAT using Iptables on an OpenVPN Server Rumi, October 2, 2025October 2, 2025 Keeping for future references- # Oct 28 23:57:58 2014 *filter :INPUT ACCEPT [2590:547311] :FORWARD ACCEPT [11426:731834] :OUTPUT ACCEPT [3989:328501] -A INPUT -i eth0 -j ACCEPT COMMIT # Completed on Tue Oct 28 23:57:58 2014 # Generated by iptables-save v1.3.5 on Tue Oct 28 23:57:58 2014 *mangle :PREROUTING ACCEPT [24964:3178001] :INPUT… Continue Reading
Openvpn autostart on debian 12 cli client Rumi, October 2, 2025October 2, 2025 To configure an OpenVPN client to autostart on a Debian 12 CLI system using systemd, follow these steps: Place the OpenVPN configuration file. Move your OpenVPN client configuration file (e.g., client.ovpn) to the /etc/openvpn/ directory and rename it with a .conf extension (e.g., client.conf). sudo mv /path/to/your/client.ovpn /etc/openvpn/client.conf Edit the… Continue Reading
Site to Site (site 2 site a.k.a S2S) VPN using OpenVPN Rumi, October 2, 2025 The video tutorial one is perfect enough. However those who like a textual documents can also undergo the followings- https://openvpn.net/as-docs/tutorials/tutorial–site-to-site-network.html Continue Reading
Updated Repository of Debian 10 (Aug 2025) Rumi, September 5, 2025September 5, 2025 Standard sources.list for Debian 10 “Buster” Open the sources.list file with a text editor. Using nano is a common choice:bash sudo nano /etc/apt/sources.list Replace any existing lines with the following code. This configuration includes the main, contrib, and non-free components from the archive.bash deb http://archive.debian.org/debian/ buster main contrib non-free deb… Continue Reading
Deploye Minio using docker Rumi, September 5, 2025 Here’the docker compose file to run: version: ‘3.8’ services: minio: image: minio/minio:RELEASE.2024-06-26T01-06-18Z container_name: minio ports: – “9000:9000” – “9001:9001” volumes: – /mnt/data/minio:/data environment: MINIO_ROOT_USER: minioadmin MINIO_ROOT_PASSWORD: minioadmin command: server /data –console-address “:9001” Src: https://hub.docker.com/r/minio/minio/tags?name=RELEASE.2024-06-26T01-06-18Z Continue Reading
Removing CEPH from Proxmox Cluster Rumi, July 23, 2025 I found this works well to completely remove ceph and config: systemctl stop ceph-mon.target systemctl stop ceph-mgr.target systemctl stop ceph-mds.target systemctl stop ceph-osd.target rm -rf /etc/systemd/system/ceph* killall -9 ceph-mon ceph-mgr ceph-mds rm -rf /var/lib/ceph/mon/ /var/lib/ceph/mgr/ /var/lib/ceph/mds/ pveceph purge apt purge ceph-mon ceph-osd ceph-mgr ceph-mds apt purge ceph-base ceph-mgr-modules-core rm -rf… Continue Reading
Install Jitsi on Ubuntu 22.04 / 22.10 Rumi, April 30, 2025 Make sure your system is up-to-date and required packages are installed: Run as root or with sudo: # Retrieve the latest package versions across all repositories sudo apt update # Ensure support for apt repositories served via HTTPS sudo apt install apt-transport-https On Ubuntu systems, Jitsi requires dependencies from Ubuntu’s universe package repository. To ensure… Continue Reading
Create Proxmox Backup Server (PBS) on Debian 12 Rumi, April 19, 2025 Preparation – Required Ports If you need to open up a firewall, or perform port-forwarding, below are the ports you need to know about: 8007 (TCP) – Almost all communication happens over this HTTP TLS connection. 80 (TCP) – optionally required if wish to make use of Let’s Encrypt HTTP-based… Continue Reading