What is the difference between /dev/pts and /dev/tty. What is /dev/tty and /dev/pts. Why do I get /dev/pts instead of /dev/tty on my Linux terminal. TTY vs PTS. /dev/tty vs /dev/pts. What is the diffe...
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SSHHow ToLinuxSecurity
How to restrict or allow ssh only from certain users, groups or hosts in Linux
How to configure SSH to permit root login only from specific host or IP address? How to configure SSH to permit login only for certain users and/or groups? How to restrict password based logins only t
Read MoreI would recommend you to get an overview of PKI and Certificates before generating or revoking certificates. In this article I will share the steps to revoke certificate from keystone and generate CRL
Read MorePKI Public Key Infrastructure (PKI) provides the means to establish trust by binding public keys and identities, thus giving reasonable assurance that we’re communicating securely with who we think w
Read MoreOpenVPN is often called an SSL-based VPN, as it uses the SSL/TLS protocol to secure the connection. However, OpenVPN server also uses HMAC in combination with a digest (or hashing) algorithm for ensur
Read MoreIn my last article I shared the steps to securely transfer files between two machines using HTTPS. Now I will share the steps to configure secure remote logging with rsyslog using TLS certificates in
Read MoreHow to configure apache http server to transfer files? Steps to configure apache HTTP server over TLS/SSL to transfer files. How to configure Apache server using TLS/SSL to upload and transfer file us...
Read MoreKerberos is used for authentication and the idea is that within Kerberos, a set of credentials is kept hence we will configure a Kerberized NFS Server. Kerberos will know about the NFS server, Kerbero
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