nuy | Page 22 | Linux Server Construction

OpenSUSE15.6 : OS Install

OpenSUSEOpenSUSE is a Linux distribution that is community-based, free to the public, and active in adopting the latest technologies. It is sponsored by Novell and developed by the community. Originally, SUSE Linux was developed by SUSE, but after the acquisition of SUSE by Novell in 2003, Novell shifted the development structure to community-based by the OpenSUSE project as a distribution aiming for 100% open source, and changed the name from SUSE Linux to OpenSUSE Linux The name was changed to the current name.openSUSE is available as Leap, the stable version, and Tumbleweed, which uses a rolling-release model and is also the basis for the paid-for version of SUSE Linux Enterprise.Leap 15.6 will be released on June 12, 2024 and will provide up-to-date support for the latest hardware with improved YaST functionality and improved installers

2024.06.14

OpenSUSE15.6_en

OpenSUSE16.0 : Nagios Server

Nagios Server, open-source integrated monitoring softwareNag...

2025.10.09

OpenSUSE16.0_en

OpenSUSE16.0 : Clamav , Mail Server

1. ClamAV (antivirus software) implementation1.1 Install Cla...

2025.10.05

OpenSUSE16.0_en

OpenSUSE16.0 : Firewall , SSH、NTP Server

1.Configuring Remote Connections via SSHSSH is a service for...

2025.10.05

OpenSUSE16.0_en

Slackware15.0 : WEB server (Apache) Install , SSL implementation

WEB server (Apache)Apache Installation①system update➁httpd i...

2023.09.26

Slackware 15.0_en

Slackware15.0 : MariaDB , WordPress Installation

MariaDB Install①Install➁Activate and start MariaDB➂Check the...

2023.09.27

Slackware 15.0_en

Slackware15.0 : FTP (Vsftpd) server installation

Vsftpd ConfigurationSlackware has "vsftpd" installed by default, but it is not activated. 　Edit the "vsftpd" configuration file to activate it.# vi /etc/vsftpd.confChange to line 12 NO.anonymous_enable=NOChange line 113 to YESlisten=YESAdd to last lineuse_localtime=YESEnable ftp as "inetd" is in charge of startup

2023.09.26

Slackware 15.0_en

Slackware15.0 : SSH connect with public key

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 remote login user privileges.If you do not specify the destination and file name, id_ed25519 and id_ed25519.pub will be created in /home/(user name)/.ssh/. On the way, enter the password for the key.

2023.09.26

Slackware 15.0_en

Slackware15.0 : Various settings after OS installation #2

SSH Remote ConnectionConfigure the default settings to increase the security of ssh connections.1. SSH service configuration file modificationModify the configuration file to change the SSH service settings.The SSH service configuration file is "/etc/ssh/sshd_config".

2023.09.24

Slackware 15.0_en

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

LogwatchLogwatch compiles various logs together and delivers...

2025.08.06

Debian12.11_en

Ubuntu25.04_en

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

TripwireImplement a system to detect file tampering on Linux...

2025.04.22

Ubuntu25.04_en

Ubuntu Server25.04 : Initial settings after OS installation

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

2025.04.19

Ubuntu25.04_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/

2024.08.23

Almalinux9.4_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.

2024.08.20

Rocky Linux9.4_en

Slackware15.0 : Installing packages

Installing packagesSelect installation media and other insta...

2023.09.22

Slackware 15.0_en