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」

nuy

Debian12.11_en

Debian12.11 : Logwatch , Chkrootkit , Disk Usage Check Script

LogwatchLogwatch compiles various logs together and delivers...
Ubuntu25.04_en

Ubuntu Server25.04 : Tripwire , disk usage check script , Logwatch

TripwireImplement a system to detect file tampering on Linux...
Ubuntu25.04_en

Ubuntu Server25.04 : Initial settings after OS installation

1. Set root password and use SU commandIn the default config...
Almalinux9.4_en

AlmaLinux9.4 : OS Install , Various settings

1.AlmaLinux 9.4AlmaLinux OS is a project launched by CloudLinux in the US as an alternative to CentOS. Currently, the AlmaLinux OS Foundation is the development parent organization.Following the general availability of Red Hat Enterprise Linux 9.0, AlmaLinux 9.0 was released on May 26, 2022.Like Red Hat Enterprise Linux 9, AlmaLinux 9 utilizes the same package versions as the Linux 5.14 kernel, GCC 11, Python 3.9, and RHEL9.Cockpit web management interface, enhanced kernel live patching, improved container and cloud integration, OpenSSL 3, and other security improvements.This time we will install AlmaLinux 9.4 with a minor upgrade on May 4, 2024.1.1 AlmaLinux 9.4 DownloadFor the AlmaLinux 9.4 installation image, go to the following site and download "AlmaLinux-9.4-x86_64-dvd.iso".https://ftp.jaist.ac.jp/pub/Linux/almalinux/9.4/isos/x86_64/
Rocky Linux9.4_en

Rocky Linux9.4 : SSL Certificate Acquisition( Let's Encrypt ) , Apache SSL , Mail SSL/TLS

1.Obtain an SSL certificate ( Let's Encrypt )Install the latest open ssl# dnf install openssl-devel1.1 advance preparation1.Package management system Snappy installedSince the SSL certificate issuing tool "certbot" of Let's Encrypt is recommended to be installed using "snap" after 2021, install Snapd first.(Can also be installed the traditional way with dnf or yum)2. Converting Apache to httpsInstall the following just in case# dnf -y install mod_ssl3. SSL/TLS (Let's Encrypt) settings on the mail server3.1 Obtaining a certificate for the mail serverObtain a certificate for the mail server, but it cannot be obtained in the same way as above, so the following with the "--standalone" option fails.
Slackware 15.0_en

Slackware15.0 : Installing packages

Installing packagesSelect installation media and other insta...
OracleLinux10.1_en

OracleLinux10.1 : OS Install , Initialization

OracleLinux10.1Oracle Linux provides a 100% application bina...
OracleLinux10.1_en

OracleLinux10.1 : SSH Remote connection , Firewalld , NTP Server

1. Setting up a remote connection via SSHSSH is a service fo...
OracleLinux10.1_en

OracleLinux10.1 : SSH connect with public key

SSH connection with authentication using public key Creation...
OracleLinux10.1_en

OracleLinux10.1 : FTP Server , Samba FileServer

1.FTP Server1.1vsftpd Install1.2 Vsftpd configurationSave vs...
OracleLinux10.1_en

OracleLinux10.1 : WEB server ,PHP ,virtual host

1.Apache21.1 httpd InstallVersion Check1.2 Apache Configurat...
OracleLinux10.1_en

OracleLinux10.1 : Clamav(anti-virus) , Mail Server

Clamav(anti-virus)1.Clamav Install2.Edit Clam AntiVirus conf...
OracleLinux10.1_en

OracleLinux10.1 : SSL Certificate Acquisition( Let's Encrypt ) , WEB/Mail server SSL

1. SSL Certificate Acquisition ( Let's Encrypt )1.1 advance ...
OracleLinux10.1_en

OracleLinux10.1 : MariaDB , WordPress

MariaDB InstallMariaDBl Version CheckMariaDB enabled, starte...
OracleLinux10.1_en

OracleLinux10.1 : Suricata + Elastic Stack,Kibana,Filebeat

Prerequisites1.SuricataSURICATA IDS/IPS is an open source ID...