Category Archives: Linux (Ubuntu/CentOS)

FTP is used to transfer files from one host to another over TCP network. This article explains how to setup FTP server on ubuntu 14.04 . There are 3 popular FTP server packages available PureFTPD, VsFTPD and ProFTPD. Here i’ve used VsFTPD which is lightweight and less Vulnerability. Setup FTP server on Ubuntu 14.04 StepContinue reading “How to setup FTP server on ubuntu 14.04 ( VSFTPD )”

You can login to a remote Linux server without entering password in 3 simple steps using ssky-keygen and ssh-copy-id as explained in this article. ssh-keygen creates the public and private keys. ssh-copy-id copies the local-host’s public key to the remote-host’s authorized_keys file. ssh-copy-id also assigns proper permission to the remote-host’s home, ~/.ssh, and ~/.ssh/authorized_keys. ThisContinue reading “3 Steps to Perform SSH Login Without Password Using ssh-keygen & ssh-copy-id”

This brief tutorial is going to show you how to easily enable password-less SSH logon when using Ubuntu as your server. With this setup, only workstations that have the correct matching key pair (private and public) will be allowed to logon to the SSH server. Without the key paring, access will always be denied. MostContinue reading “How To Enable Password-less SSH Logon On Ubuntu Servers”

SSH (Secure SHELL) is an open source and most trusted network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over the network using secure copy (SCP) Protocol. In this article we will show you howContinue reading “SSH Passwordless Login Using SSH Keygen in 5 Easy Steps”

Today, we will be using rsync to make daily, weekly, incremental backups and then a full compressed/archived backup once a month. We will then use cron to automate the process. Lets face it us humans get lazy sometimes and most backup systems loose complete effectiveness if they are not completely automated. What is rsync? RsyncContinue reading “Use Rsync for Daily, Weekly and Full Monthly Backups”

rsync stands for remote sync. rsync is used to perform the backup operation in UNIX / Linux. rsync utility is used to synchronize the files and directories from one location to another in an effective way. Backup location could be on local server or on remote server. Important features of rsync Speed: First time, rsyncContinue reading “Ubuntu: 15 examples to backup using rsync command”

rsync is a protocol built for Unix-like systems that provides unbelievable versatility for backing up and synchronizing data.  It can be used locally to back up files to different directories or can be configured to sync across the Internet to other hosts. It can be used on Windows systems but is only available through variousContinue reading “How to Use rsync to Backup Your Data on Linux”

In this article I will give you an overveiw on the smartmontools which is a set of applications that can test hard drives, automatically notify you when the failure rate rises and read the harddisk SMART statistics to detect failures early. I will cover installation, usage on the shell and the smartmon GNOME gui inContinue reading “How to monitor harddisk health with smartmontools on Ubuntu”

Secure copy Scp (Secure Copy) is a command line tool to copy or transfer files across hosts. It uses the same kind of security mechanism like the ssh program. Infact it uses an ssh connection in the background to perform the file transfer. scp refers both to the “protocol” that defines how secure copy shouldContinue reading “12 scp command examples to transfer files on Linux”

Linux administrator should be familiar with CLI environment. Since GUI mode in Linux servers is not a common to be installed. SSH may the most popular protocol to enable Linux administrator to manage the servers via remote in secure way. Built-in with SSH command there is SCP command. SCP is used to copy file(s) betweenContinue reading “10 SCP Commands to Transfer Files/Folders in Linux”