My IT notes
When installing or updating vmware tools via Vcenter or via esxi host, we may encounter the following error. The required VMware Tools ISO image does not exist or is inaccessible. vix error code = 21001 Unable to install VMware Tools. An error occurred while trying to access image file “/usr/lib/vmware/isoimages/windows.iso” needed to install VMware Tools: … Read more
When you set up a WAMP server, when accessing the server with http://localhost, you may not be able to access the server with an IP address from other devices, and you may receive a Forbidden You Don’t have Permission to Access This Server error. It is recommended that you check the fields specified below to … Read more
Among the situations I have experienced is the collapse of one of the VMware hosts where you host your virtual machines. As a result, the following error may occur when you want to add a vcenter again when you raise your host. In this article, it is discussed how to solve this problem. “Datastore ‘DataStoreX’ … Read more
Fortigate – Adjustments made on the Microtic side during the final stage of IPSEC VPN configuration between Mikrotik consist of NAT and IPSEC sections. Nat creation first Ip -> FIREWALL -> Nat tab creates a new rule and determines the source and destination address blocks with the srcnat option. The IPSEC phase completes in 3 steps; In Phase 2, the IP -> IPSEC ->Peer tab enters the WAN ip address … Read more
This section will also talk about creating rules in the IPV4 Policy section under the Policy & Objects menu in Fortigate and creating a destination route under Static Route under the Network menu. In the next part -4 the settings to be made on the Mikrotik side will be discussed.
I shared the steps we’d follow in my previous section-1 note. The Section-2 note mentions vpn tunnel settings on the Fortigate side. First of all, under the VPN menu, in the IPsec Tunnels section, we create Tunnel with costom option using wizard. After tunnele gave a name 1- We write the ip address of the Mikrotik Outer leg to the IP address section where we will make … Read more
My notes on IPSEC VPN configuration between Fortigate and Mikrotik devices. First of all, when we look at the adjustment to be made on the Fortigate side; Tunnel creation in the IPsec Tunnels section under the VPN menu. Creating rules in the IPV4 Policy section under the Policy & Objects menu. Creating a destination route under static route in the Network menu. When we look at the … Read more
The word blockchain was mentioned in Satoshi Nakamoto’s original article titled Bitcoin published in 2008. Although blockchain is not mentioned in this article as a word, an underlying technology component of cryptocurrency is defined as a series of data blocks that are cryptographically chained together. Bitcoin is the first application of blockchain technology. Nakamoto claims that a … Read more
Blockchain operating logic Blockchain technology is a complex concept consisting of the combination of different technologies. It consists of three basic elements; 1. BLOCKCHAIN NETWORK STRUCTURE Blockchain is not a company, nor is it connected to a company or a head office. Since it has a distributed network of structures, there is no critical central point. … Read more
Looking at the word meanings of the concepts of virtual and augmented; The word “virtual” means “conceptual, hypothetical, guesswork, which has no place in reality but is designed in the mind. The word “to increase” has been specified as “to increase, to increase”. Virtual reality (VR) is created with three-dimensional computer technologies, where people can … Read more