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openSUSE Tumbleweed_en

OpenSUSE Tumbleweed : Nagios Server

Nagios ServerNagios is an open-source monitoring solution th...
OpenSUSE16.0_en

OpenSUSE16.0 : Nagios Server

Nagios Server, open-source integrated monitoring softwareNag...
OpenSUSE16.0_en

OpenSUSE16.0 : Clamav , Mail Server

1. ClamAV (antivirus software) implementation1.1 Install Cla...
OpenSUSE16.0_en

OpenSUSE16.0 : Firewall , SSH、NTP Server

1.Configuring Remote Connections via SSHSSH is a service for...
OpenSUSE16.0_en

OpenSUSE16.0 : Various settings after OS installation

1. Using the su commandIf you set the root password during i...
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".
Slackware 15.0_en

Slackware15.0 : Various settings after OS installation #I

Adding General UsersRoot is a privileged user and should not normally be logged in as root.You must create your own account separate from root. Create a login user with the following command# useradd huong# passwd huongNew password:Retype new password:passwd: password updated successfullyCreate user's home directorySetting up the use of the sudo commandTo grant sudo privileges to the created general user, use the command "visudo" as root and edit the file "sudoers".This time, "users belonging to the wheel group can use it; they will not be asked for their password when sudoing." Use the
Debian12.13_en

Debian12.13 : OS installation and initial configuration

1.Debian12In this article, we will explain how to build a se...
Debian12.13_en

Debian12.13 : SSH , UFW(Firewall)Setting

1. SSH Service Security SettingsThe SSH service allows the r...
Debian12.13_en

Debian12.13 : SSH connection using public key cryptography

Create public and private key pairsCreate a public/private k...
Debian12.13_en

Debian12.13 : FTP Server , NTP Server

1. Install NTP serverSetting ReflectionOperation check2. Ins...