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Password less SSH authentication is one of the best security practices to avoid any password expose to attacke SSH is secure authentication mechanism, however Man-in-the-middle attack (MITM), Brute force attack these attack can expose password to the attackers. We need two components to make a ssh key working. Public Key, …

Back in May, Linus Torvalds released Linux kernel 4.11, which was codenamed Fearless Coyote. It came with scalable SSD swapping, AMDGPU power management improvement, new perf trace tool, SMC-R support, etc. Now, after releasing 7 release candidates, the final Linux kernel 4.12 has been shipped. In his release announcement, Linux boss emphasized that …

Plex is very well known media server. It became very popular due to its simplicity and it can be played from almost all type of media device. Plex media server can be installed on several OS as well, Linux, Windows, Mac, NAS. Plex need initial setup from localhost. In this …

ProFTP is widely used FTP server among linux servers. ProFTP is used with several industry level control panel like cPanel, Plesk. In this tutorial I will show you, how to configure ProFTP with SSL/TLS and other security aspect. My test server Server : CentOS 7 ProFTP : 1.3.5 Step 1 …

After migrating the website to new server, we need to make sure that everything working fine. Preview website before DNS update. Once you update the DNS, website will start serving from the new server. Here is the tricks to preview website before DNS update. Step 1 : Modify hosts file …

pfSense is well known router OS for its simplicity and wide options to  take control over your network. In the other hand OpenVPN is most popular VPN solution. In this tutorial I will show you, how to configure OpenVPN in pfSense router OS, facilitate remote client user to the network behind …

The “tar” command in linux used for making archive of files and directories. Using “tar” command you can create “.tar“, “.tar.gz“, “.tar.bz2” file archive. These are known as “tarball“, “gizp“, “bzip” in Linux. TAR has more flexibility than ZIP, which is widely used in cross platform environment. I will show tar …

Now a days mail is an unavoidable part of life. How ever the misuse of mail also increasing day by day. Spaming, Spoofing etc. There are many way which can drag you into trouble with your mailbox. To stop such invalid sender, few new authentication protocol (like SPF, DomainKey) has …

In this tutorial I will show you how to install Let’s Encrypt on LAMP server. Let’s Encrypt is a very popular certificate authority, provide free SSL. Yes my friend you don’t have to buy any SSL anymore. For this demonstration I choose CentOS 7, however the process is same for …

Arch linux for those people who want to build their system, from very scratch. It is like to build their own house, from foundation to roof. Arch linux installation is not like other popular linux distribution, it does not comes with pre built installer. In this post I will show …