Click here for "Error Codes for Commercial Air Conditioners".(Japanese Version)

fedora37_en

fedora37_en

Fedora37 ; WEB Server(Apache2)

Apache2 installation and virtual host configuration1.Apache2...
fedora37_en

Fedora37 ; System Backup and Restore

1.Website data backupBackup under /var/www/html①Create backu...
fedora37_en

Fedora37 ; Clamav , Mail Server

Clamav1.Clam AntiVirus Install2.Edit Clam AntiVirus configur...
fedora37_en

Fedora37 ; FTP Server(Vsftpd) , File Server(Samba)

1.FTP Server Installation1. 1 vsftpd Install2. vsftpd SSL/TLSConfigure Vsftpd to use SSL/TLS2.1 Create self-signed certificatesThis work is not required if you are using a trusted, legitimate certificate such as Let's Encrypt.3. File server installation with SambaBuild a file server with access rights that requires user authentication with Samba.Installation Procedure① Create shared folders with access rights that require user authentication②Creation of accessible groups③Creation of users belonging to groups that can be accessed④Configuration File Editing
fedora37_en

Fedora37 ; Remote connection with SSH public key cryptography

1.Creation of public and private key pairsCreate a public/private key pair for a user connecting to a Linux server using OpenSSH.Use ssh-keygen to create the key pair.The creation of a public/private key pair is performed with the authority of the user logging in remotely.If you do not specify the creation destination and file name, id_ed25519 and id_ed25519.pub will be created in /home/(user name)/.ssh/. On the way, also enter the password for the key.
fedora37_en

Fedora37 ; Various settings after installation

1. SELinux DisableFirst, disable selinux. selinux is a feature that improves auditing and security in Linux, but when enabled, it can limit the behavior of services and the configuration considerably.Therefore, it is basically invalidated in many cases.You can disable it by doing the following。
fedora37_en

Fedora37 ; OS INSTALL

Fedora ; DownloadFedora37 can be downloaded from the following mirror siteshttp://ftp.riken.jp/Linux/fedora/releases/37/Server/x86_64/iso/The file to download is the "Fedora-Server-netinst-x86_64-37-1.7.iso" imageCreate an installation disk from the downloaded "Fedora-Server-netinst-x86_64-37-1.7.iso" image on a USB disk and install it on the actual device.
fedora37_en

Fedora37 ; SSH 、Firewalld

1.Remote connection by SSHSSH is a service for connecting re...
fedora37_en

Fedora37 ; SSL Certificate Acquisition( Let's Encrypt ) , Apache / Mail SSL/TLS

1.Obtain an SSL certificate ( Let's Encrypt )Install the lat...
fedora37_en

Fedora37 ; Mysql8 , WordPress Install

Mysql8 Install①Install➁MySQL Server start➂Check mysql versio...
fedora37_en

Fedora37 ; SNORT2 , Suricata , Tripwire

SNORTSnort is an open source network intrusion detection sys...
fedora37_en

Fedora37 ; Chkrootkit , Logwatch , Disk Usage Check Script

Chkrootkit①Download , Install➁Create /root/bin directory and...