(This article is the information as of 20/11/23 20:00 (+0900 JST) (Add the vmstat) On 2016/11/23 23:00(+0900 JST) Cloud9 works correctly maybe the issue was fixed. Cloud 9 of the cloud IDE introduced in this article. Resolve the problem th…
Testing of POST with sync-request which can execute HTTP GET by synchronous processing. In this article, since it is asynchronous with the requst module of Node.js (JavaScript), I introduced the srnc-request module which can synchronize wi…
Node.js (JavaScript) is often used to handle JSON data, such as obtaining information from the API. JSON is a structured data format, and it can also be a hierarchical structure (nested structure). I will introduce the procedure for acquir…
Node.js is a JavaScript that runs without a web browser and can be used on the server side. You can develop services using Web application framework such as Express. You can also automate testing by combining with test frameworks such as S…
Airplane in-flight WiFi introduced on some planes. It is a wonderful function to overturn the common sense that it is impossible to use a device that emits radio waves while traveling on an airplane and it can not be contacted with the gro…
Chromebook I have a mobile notebook PC. That the Android app is now available, there has been a great additional specifications. However, I have not been able to download and use the Android app from Google Play. To introduce Unfortunately…
Symbolic Link is widely used in Linux. Even Windows, can be created by using the mklink command from the command prompt. Environment and the authority Symbolic link creation method in Windows Symbolic link Delete method in Windows Normal d…
NetFlow is in a variety of routers and switches from Cisco, it can collect traffic information. At the time of use is expected to increase in CPU utilization, anxious performance impact. To introduce the performance impact and rate of rise…
Popular cloud IDE (Integrated Development Environment) Cloud9. Connect to the Internet, it can be easily accessed from anywhere if there is a Web browser. In addition, environmental construction, such as the general IDE is not required, ar…
One of the tools of network engineers, Ping. Ping is used in network reachability validation to the target device, in it, Ping response time (Latency) from the target device is also included. When the Ping response delay (Latency) is incre…
To monitor the DHCP scope usage of Windows Server by the MIB in ZABBIX. DHCP is used in many enterprise LAN, therefore, if there are no remaining of IP address, PC cannot be set address and it is a fatal service impact. A problem does not …
When you open a file of Windows 7 in unregistered extension, or to download the corresponding software from the Web, there is a need to choose whether to open in the software that is installed on the PC. But this selection, but in many cas…
RANCID + ViewVC , rConfig, try to consider the network device configuration management system introduction of open source. Such as a router, switch · FW · LB, such as Cisco, network engineers must manage a lot of equipment. But take the wo…
X-Forwarded-For (XFF) header to be important in the HTTP communication of NAPT environment of Proxy environment. In many cases Cisco ASA, which is used as a NAPT router, describes the grant of XFF header. Check result Defect information Al…
Responsive design which has been introduced from Redmine version 3.2. Have been comfortable to be able to view on your mobile phone, there is also a difficult scene to use or collapse column. So disable the Better yet Responsive design, to…
