Tacacs+ doesn’t support LDAP authentication by default, but it does support PAM authentication.but you still must define users in your tac_plus.conf, and you must still define groups in tac_plus.conf. Install Required package libpam0g-dev. Create folder for tacac configuration file on /etc/tacacs Download tacacs package from Extract tacacs package go to extracted folder, Now, we will […]
Install Tacacs Server Ubuntu
Tacacs+ is an open-standard protocol compatible across various networking equipment vendor platforms. Tacacs+ is a TCP based entirely new protocol used for AAA 1. Install the required packages 2. Create folder for tacac configuration file on /etc/tacacs 3. Download tacacs package from and extract tacacs package 4. Go to extracted folder, Now, we will configure and build the […]
SLX-OS (Chassis product version): FPGA Version mismatch after reboot first time or update firmware
Whenever we install the SLX device for the first time, the module’s application FPGA version can be mismatched with the hardware FPGA version. In SLX 9850 (chassis device version) we can check with this command: In SLX 9540 (Compact device version) we can check with this command: A version mismatch between FPGA applications and hardware […]
Install Cluster Kubernates using Kubeadm Ubuntu 22.04, Kubeadm Cluster 1.31, Calico 3.29
Requirement : Initialize node reference : https://kubernetes.io/docs/setup/production-environment/container-runtimes/#containerd Make sure date time are correct and synced We use timesyncd, check the status Edit your NTP Server Restart the service Check your time and timezone, set your timezone if neccessary $timedatectl $timedatectl set-timezone Asia/Jakarta Remove Swap Sometime etcd having problem running in Ubuntu 22.04, edit the grub […]
6wind Ansible NETCONF Automation
Ansible supports configuring remote hosts using NETCONF (instead of the default SSH connection along with Linux shell commands). This guide explains how to leverage Ansible to configure multiple Virtual Service Router instances. Dependencies This guide assumes that you have two (or more) Virtual Service Router instances that are booted and accessible on the network (NETCONF […]
Installing Oracle DB 19.0.0
Make Sure you fulfill the requirements:OS: Oracle Linux 7/8 Run the following command sudo yum update Install the required packages sudo yum install -y oracle-database-preinstall-19c change oracle user password sudo passwd oracle create directories required for oracle sudo mkdir -p /u01/app/oracle/product/19.0.0/dbhome_1sudo mkdir -p /u01/app/oraInventorysudo chown -R oracle:oinstall /u01sudo chmod -R 775 /u01 Edit /etc/security/limits.conf oracle […]
Zabbix FreeIPA LDAP Authentication
Zabbix LDAP authentication works at least with OpenLDAP.External LDAP authentication can be used to check user names and passwords. Note that a user must exist in Zabbix as well, however its Zabbix password will not be used. After success test login with LDAP user make sure LDAP user exist in Zabbix as well, however its […]
Integrate LibreNMS with FreeIPA Authentication
LibreNMS supports multiple authentication modules,but LibreNMS doesn’t support multiple authentication mechanisms at the same time.To enable a particular authentication module you need to set this up in config.php. To use ldap freeipa for authentication LibreNMS we need Install php_ldap or php7.0-ldap, making sure to install the same version as PHP. Prequisite : LibreNMS installed Before install update repository […]
RDMA, ROCE test in Network with MPI Tools
In the need for AI network infrastructure, an ROCE test in the network fabric is needed to ensure that the ongoing traffic is always in the low latency condition and get the best high bandwidth in the future. In this section, we talk about how to test the ROCE network in the Kubernetes cluster premise. […]
Install FreeIPA Fedora 40
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, […]