FreeIPA is an integrated security information management solution combining Linux (Fedora), 389 Directory Server, MIT Kerberos, NTP, DNS, Dogtag (Certificate System). It consists of a web interface and command-line administration tools. FreeIPA requires access to the following ports for the services listed below: Ports Service Protocol 80, 443 HTTP/HTTPS TCP 389, 636 LDAP/LDAPS TCP 88, […]
Category: Linux
Mellanox Connect x4 SRIOV Ubuntu 22.04
SRIOV-CNI support Mellanox ConnectX®-4 Lx and ConnectX®-5 adapter cards. To enable SR-IOV functionality the following steps are required:1.Verify that the system has a Mellanox network adapter (HCA/NIC) installed. 1- Enable SR-IOV in the NIC’s Firmware. Installing Mellanox Management Tools (MFT) or mstflint is a pre-requisite, MFT can be downloaded from http://www.mellanox.com/page/management_tools Download the mft package […]
PROXMOX SNMP Monitoring with libreNMS
Proxmox Virtual Environment is based on Debian GNU/Linux we use apt package manager to install snmpd server. Login to Proxmox Machine with SSH check snmpd status edit snmpd configuration edit the following line The line agentaddress udp:161 tells the SNMP Daemon to listen on UDP port 161 on every IPv4 interface. The line rocommunity public […]
Install Node Exporter on Ubuntu
This node exporter was installed on Ubuntu 22.04 Creating the User Unpack the package downloaded Install Node Exporter Setup the Node Exporter service Add the following below NOTE: CHANGE “<PORT>” TO ANY PORT NUMBER DESIRED e.g 9xxx Reload Systemd Enable node exporter on startup verify the node exporter is running
Add sudoers user Ubuntu
Iperf3 Multisession Test
iperf3 process is single-threaded. This means all the parallel streams for one test use the same CPU core. To run multiple iperf3 processes for a testing a high-speed host, do the following: Start Multiple Session on iperf3 Server Run multiple clients, using the “-T” flag to label the output:
Create VM using KVM and Virt Manager
Type this command to see if the processor is enough to handle virtualization $ egrep -c ‘(vmx|svm)’ /proc/cpuinfo if the output is greater than 0 (zero) you’re good to go. next is to install these packages by using this command $ sudo apt install -y qemu qemu-kvm libvirt-daemon libvirt-clients bridge-utils virt-manager Start and enable libvirt […]
Port Forwarding apache2 default port to 8080 using IP Tables
ubuntu@server1:~$ sudo vi /etc/apache2/ports.conf Listen 80 Our default port for apache2 service is 80, now we test this by using the curl command ubuntu@server1:~$ curl server1:80 => should output apache2 default html ubuntu@server1:~$ curl server1:8080 => should output “curl: (7) Failed to connect to localhost port 8080: Connection refused” We’re going to use ip tables […]
Creating LVM with group Permissions (Complete Guide).
sudo groupadd <groupname> sudo usermod -aG <groupname> <User> sudo yum install lvm2 (For Centos) sudo apt install lvm2 (For Ubuntu) sudo pvcreate /dev/vdb /dev/vdc sudo vgcreate <volume name> /dev/vdb /dev/vdc sudo lvcreate -L <size>(m/G) <path> note: if you want to make use of all the size available use: vgdisplay (check for free allocation) Mkfs.xfs <Logical […]
Troubleshooting LDAP and Radius
Scope dalam post kali ini adalah ketika seorang user menghubungkan perangkat dengan SSID Graha_Infracom akan tetapi proses tersebut gagal. Berikut langkah untuk melihat indikasi masalah :1. Login menuju ruijie cloud dan lakukan perkiraan posisi client dengan AP yang terdekat 2. SSH pada AP tersebut lalu gunakan command : debug AAA dan debug 802.1x 3. Lakukan […]