As introduced in this article, the sync-request module can perform HTTP communication by synchronous processing. This makes simple code without callback processing by asynchronous processing peculiar to javascript. However, on the sync-req…
When implementing HTTPS (SSL), examination of certificates is also required. When publishing many sites, there are many FQDNs, but you can reduce the number of certificates by using wild card certificates, multi domain (SANs) certificates.…
With Secure Shell provided with Chromebook (Google Chrome), you can run Linux (CentOS) server without TeraTerm on Chromebook. In this procedure, switching to developer mode is unnecessary. Generate public key Copy the public key / private …
Install CeontOS 7.3 on VMware vSphere ESXi 6.5. Use the free (Essential) version of ESXi. Unfortunately, since vCenter can not be used at no charge, it is a standalone configuration. For the guest OS use the Linux distribution CentOS. Sinc…
With the basic license, the Cisco ASA 5505 can set up to three VLANs. However, if you try to set it normally, you will get an error when setting nameif in the third VLAN. Describe how to resolve the error and set nameif in the third VLAN. …
Cisco Aironet is one of wireless APs popular in the enterprise. Since AIR1131AG is also exhibited in second-hand market, it is easy to introduce it to home network. There are many centrally controlled types by WLC in the enterprise, and ma…
Used as internal domain (Internal Domain Name) .Local. In many cases it uses local domains such as test.local and test.internal. Describe the problem of "How to do SSL certificate" which is one of problems occurring while using local domai…
Cloud log management service Papertrail. Minimal features are available for free, making it ideal for managing FW logs etc in home labs. Also, since it is not necessary to construct a syslog server, it is highly effective even in verificat…
When using widely used version management tool Git on Windows, use Git for Windows (Git Bash). When handling Japanese files, describe the correspondence between garbled characters that are displayed as \xx (backslash, \mark number). Instal…
(This article is information as of December 2016) Since I purchase additional home server and two ESXi will be configured, I considered installing vCenter Server. Basically, for verification purposes as a home lab, I am considering using i…
I thought that I would like to replace my server at home, I made various selections and summarize it. The current environment is as follows. DELL PowerEdge SC 440 CPU: Core 2 quad Q6700 2.66 GHz Memory: 8 GB DISK: Western Digital (WD) HDD …
PaaS such as Cloud Foundry generally routes to the CF Router with wildcard DNS, then it will route HTTP from the host of the FQDN within the CF. We will show you how to configure wildcard DNS with the DNS server function of Windows Server …
As introduced in this article, Windows Server can be used free of charge for free for 180 days as an evaluation version. Windows Server Free Usage (2016 Technical Preview 4) - designetwork(EN) Windows Server TP4 has already expired, and yo…
VMware ESXi (vSphere) is not officially supported, but you can use nested virtualization for verification. Using this, I thought of installing Ubuntu (Linux) as a guest OS of ESXi, and using VirtualBox within it. Eventually I wanted to use…
Cloud Foundry has a wide market share as PaaS infrastructure software. Pivotal Cloud Foudry, one of its commercial distributions, is also widely used in commercial services. Cloud Foundry is composed of many components and requires a large…
