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, […]
Enabling root account on SLX OS
By default, the root account on the virtual machine (VM) is disabled. To log into root, you can log into the SLX-OS CLI and enable the root account from global configuration mode by using this command. In rare cases, SLX-OS CLI may not be available to enable the root account. NoteThe default password for the root account on the VM […]
Install Telegraf on Ubuntu 22.04
Telegraf is an open source plugin-driven server agent for collecting and reporting time series data. Telegraf collects and sends time series data from databases, systems, and IoT sensors. to install telegraf on ubuntu machine Download and install the appropriate .deb file using a URL from the InfluxData downloads page with the following commands: Give execute […]
Dragonfly and Dragonfly+ Topology
In this section, we talk about Dragonfly and Dragonfly+ topology. The Dragonfly network topology is a high-performance interconnection network commonly used in large-scale computing systems like supercomputers and data centers. It is designed to provide low latency, high bandwidth, and high fault tolerance for communication between computing nodes. In a Dragonfly network, the system is […]
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 […]