OpenSUSE16.0_en OpenSUSE16.0 : Clamav , Mail Server
1. ClamAV (antivirus software) implementation1.1 Install Cla...
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OpenSUSE16.0_en 
OpenSUSE16.0_en OpenSUSE16.0 : Firewall , SSH、NTP Server
1.Configuring Remote Connections via SSHSSH is a service for...
Slackware 15.0_en Slackware15.0 : WEB server (Apache) Install , SSL implementation
WEB server (Apache)Apache Installation①system update➁httpd i...
Slackware 15.0_en Slackware15.0 : MariaDB , WordPress Installation
MariaDB Install①Install➁Activate and start MariaDB➂Check the...
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
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.
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".
Debian12.11_en Debian12.11 : Logwatch , Chkrootkit , Disk Usage Check Script
LogwatchLogwatch compiles various logs together and delivers...
Ubuntu25.10_en Ubuntu Server25.10 : OS Install , Initial settings
Ubuntu Server 25.10 Download & Install1.Download the install...
Ubuntu25.10_en Ubuntu Server25.10 : SSH , Firewall(UFW)
1. SSH Service Security SettingsThe SSH service allows the r...
Ubuntu25.10_en Ubuntu Server25.10 : SSH connection with authentication using public key cryptography
SSH connection using authentication with public-key cryptogr...
Ubuntu25.10_en Ubuntu Server25.10 : FTP(Vsftpd) , Samba Install
FTP server1. Vsftpd Installation and configuration①Install②A...
Ubuntu25.10_en Ubuntu Server25.10 : WEB Server(Apache)
Apache2Allow http:80 port and https:443 port in UFW first.1....
Ubuntu25.10_en Ubuntu Server25.10 : Anti-Virus(Clamav) , Mail Server
1.Anti-virus software Clamav installed1.1 InstallThe clamav-...
Ubuntu25.10_en Ubuntu Server25.10 : Web server, Mail server SSL conversion (Let's Encrypt)
1. Obtain a certificate(Let's Encrypt)1.1 advance preparatio...