業務用エアコン関連の技術情報、エラーコード、環境問題対策に関する別サイト「エアコンの安全な修理・適切なフロン回収」

2022-02

CentOS9_en

CentOS Stream9 : OS Install

CentOS Linux is a clone OS of RHEL (Red Hat Enterprise Linux...
CentOS9_en

CentOS Stream9 : SSH , Firewalld , NTP

1.Setting up remote connection via SSHSSH is a service for c...
CentOS9_en

CentOS Stream9 : System Backup and Restore

1.Website data backupBackup under /var/www/html①Create backu...
CentOS9_en

CentOS Stream9 : Logwatch , Disk Usage Check Script

1. Logwatch①Install②Edit configuration file③Output Logwatch ...
CentOS9_en

CentOS Stream9 : Suricata , Tripwire , Chkrootkit

Suricata InstallSURICATA IDS/IPS is an open source IDS that ...
CentOS9_en

CentOS Stream9 : Let's Encrypt , Apache・Mail Server SSL/TLS

1.Obtain SSL Certificate( Let's Encrypt )1.1 Advance prepara...
CentOS9_en

CentOS Stream9 : Clamav , Mail Server

1. Clamav1.1 Clam AntiVirus Install1.2 Edit Clam AntiVirus c...
CentOS9_en

CentOS Stream9 : WEB Server(Apache2)

1.Apache2 installation and virtual host configuration1.1 Apa...
CentOS9_en

CentOS Stream9 : FTP , Samba Server

1.FTP Server1. 1 vsftpd Install1.2 vsftpd settingSave the un...
CentOS9_en

CentOS Stream9 : Authenticated connection with SSH key pair

Authenticated connection with SSH key pairCreation of public...
CentOS9_en

CentOS Stream9 : Initial settings after installation

1.Disabling SELinuxFirst, disable selinux. selinux is a feat...
CentOS7.9_en

CentOS7.9 : SNORT2 , Tripwire , Chkrootkit

SNORT2 Install1. Advance preparation①Install necessary softw...
CentOS7.9_en

CentOS7.9 : Let's Encrypt , WEB・Mail SSL

1.Obtain SSL Certificate( Let's Encrypt )Install the latest ...
CentOS7.9_en

CentOS7.9 : Mail Server, Clamav, SpamAssassin

Clamav ( anti-virus software ) 1.Clam AntiVirus Install2.Edi...
CentOS7.9_en

CentOS7.9 : WEB Server Apache

1.Apache2 installation and virtual host setup1.1 Apache2 Ins...