Before getting Google Maps Platform API we need to register an Gogle Platform account by following procedure. 1.Access Google Cloud platform https://console.cloud.google.com/projectselector2/home/dashboard?utm_source=Docs_ProjectSelector Check their box and clieck agree.   2.Select start by free   3. Select National and click submit 4. fill profile and submit

Here is the procedure of install the WordPress Theme Cocoon Download Theme Access Cocoon HomePage https://wp-cocoon.com/ Click Download botton Click 親テーマをダウンロード (Parents Theme Download) File cocoon-master-2.4.9.zip is downloaded Click 子テーマをダウンロード(Child Theme Download) File cocoon-child-master-1.1.3.zip is downloaded Upload Theme select upload Theme *If error ‘The link you followed has expired.’ occure, please check upload_max_filesize and post_max_size
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This is the procedure of install 2nd Japanese wordpress on same server. unzip wordpress wordpress-6.0.1-ja.tar.gz Japanese version on the www root directory and rename wordpress directory to new directory ex: tt. Access /tt directory by Web browser. 2. Input database name, user name, and so on. 3. Database error occur 4. Check the mysql uesrs.
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IPTABLES is able to add the network accept and drop policy. Sometimes we need to accept specific address or need to drop specific address from external or internal networks. (1) current IP Tables # iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain
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The procedure of add new 1 GB disk volume for AWS EC2. Procudure: a.) Login to AWS console and, modify ec2 disk volume. b) Access EC2 by ssh c.) Check the partition block and file system d.) expand the partition block e.) expand the file system 0. Check the petition size. 1. Login to AWS
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tcpdump option tcpdump is one of tool for investigating network traffic on *nix OS. -X packet details -A text dump

Internationalization , ‘i18n’ for short. Some Web site or service need to i18n for all world visitor. There are a lots kind of character set, sorting order, and calendars and so on. For example, in Japan the time stamp is used Chinese character and numerical character. “2021年12月23日12時34分56秒” stand for 12:34:56, 2021/12/23 (hh:mm:ss, yyyy/MM/dd). Time format
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TCP/UD`P Port Forwarding port forwarding is set on the router it is able to access to internal host from external. Port Number is looks like phone extension number. DHCP(Will Update Nov 15th) Proxy Proxy is a kind of a server or a service that translates traffic between users and the internet networks. Proxy servers act
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SMTP stand for Simple Message Transfer Protocol. Mail message is sent by using this SMTP protocol. The mail message is relayed by some SMTP server. Almost message is relayed normally and is sent to others. but seldom times, the message is not sent by any reason. SMTP status code is useful for investigating the reason
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