Are you a recent cloud hosting convert and find yourself struggling to figure out how to best manage the files on your first virtual private server (VPS)? Do you find yourself intimidated by the command line? If so, you will be happy to learn that FileZilla provides a user-friendly graphical interface that can securely transfer files to-and-from, as well as move files around within, your VPS.
The two most common methods of securely transmitting information between two computers are the (i) Secure Shell (SSH) and (ii) Transport Layer Security (TLS), and its predecessor Secure Sockets Layer (SSL), cryptographic protocols. Both are public-key cryptography tunneling protocols that aim to create a secure, confidential exchange of data and connection across a network (particularly the internet). The encryption technologies used by both protocols are very reliable, and are (when configured correctly) nearly impossible for hackers to break into. However, while both protocols provide similar services, they are not the same. In fact, they have several significant differences that are beyond the scope of this article.
Today, OpenSSH is a default software package found on Unix-like operating systems such as Mac OS X and Linux. Thus, programs or subsystems that are based on the SSH protocol will work “out-of-the-box” without having to go through the additional steps of either purchasing or creating the requisite SSL certificate needed for certain modes of secure data transmissions via TLS/SSL.
When needing to upload or download files from your VPS in real time, you essentially have the following options:
Among the various file-transfer options, one should never, ever, ever connect to a remote server via FTP; SCP and SFTP are just as easy to use, but provide much more security. In addition, while FTP requires the installation of FTP server software such as vsFTP or ProFTP, both SCP and SFTP utilize the SSH protocol and, as a result, will work “out-of-the-box” when connecting to a remote Unix-like machine, such as Mac OS X or Linux.
Given that both SCP and SFTP utilize the SSH protocol in connecting to another computer, the two methods are fairly equal in regard to security. SFTP has a slight edge in regard to efficiency, because an interrupted file-transfer can resume where it left off in the event of a broken connection that is later re-established.
SFTP should not be confused with FTPS, because the two methods are incompatible with each other. While FTPS can provide equal security, it does require additional steps to deploy if one does not already have an SSL certificate.
There are several quality SFTP clients out there: Cyberduck, Filezilla or WinSCP, to name a few. This article, however, will focus on Filezilla – an open-source (i.e. free) FTP client for Windows, Mac OS X and Linux. In addition to being able to download the program, the filezilla-project.org site also contains a documentation Wiki and a Support Forum.
With SFTP, you have two user-authentication options when connecting to a cloud server: (i) passwords or (ii) SSH keys. For a discussion on the benefits of SSH keys over passwords and/or instructions on setting up password-less logins on your server, please refer to How To Create SSH Keys with PuTTY to Connect to a VPS.
FileZilla has a built-in key management page in the Settings dialog, which allows you to save your Public (SSH) Key and to (securely) automate the process of connecting to a remote server.
If you have yet to create an SSH key pair, you can do so by following one of two DigitalOcean tutorials:
Follow these steps once you have an SSH key pair that you would like to use to connect to your VPS:
Note for PuTTY users with passphrase-protected public keys: If your original .ppk file is password-protected, FileZilla will convert your .ppk file to an unprotected one when importing the key into FileZilla. As of version 3.0.10, a password-protected key file is not yet supported.
If a password-protected key file is desired, FileZilla is able to utilize PuTTY’s Pageant tool.
In managing your VPS, you will inevitably encounter a situation where some programming (text) files require edits. FileZilla does not carry a built-in text editor, which gives you the freedom of using any text editor of your choice. A popular editor among Windows users is Notepad++ because it is lightweight and can work with many of today’s popular programming languages.
By default, FileZilla is configured to utilize your local system’s default editor. If you do not wish to make Notepad++ your system’s default text editor, but would nevertheless like to use it to edit HTML, XML, Python, CSS, PHP & other programming files on your VPS:
<p><div class=“author”>Article submitted by: <a href=“https://plus.google.com/107285164064863645881?rel=author” target=“_blank”>Pablo Carranza</a> </div></p>
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I think most of us try to do all the job by the book (these tutorials).
We get “permission denied” message because we’re trying to write some files to our server ('s some folder) with a user that we created before (with tutorials). But /var/www/ belongs to root.
If you want to add your user to a specific folder (for example /var/www) you can :
@hopefloatt: Backing up every single file is inefficient and slow (and will error out when it reaches /dev and /proc). You will most likely need to backup /var/www and your MySQL data.
Check out <a href=“https://www.digitalocean.com/community/articles/how-to-choose-an-effective-backup-strategy-for-your-vps”>https://www.digitalocean.com/community/articles/how-to-choose-an-effective-backup-strategy-for-your-vps</a> & <a href=“https://www.digitalocean.com/community/articles/how-to-backup-mysql-databases-on-an-ubuntu-vps”>https://www.digitalocean.com/community/articles/how-to-backup-mysql-databases-on-an-ubuntu-vps</a>.
@yuri.stoyanov: Take a look at How do I change user after login (e.g. su root)?.
Hello,
I followed this tutorial and I manage to connect to the server via SFTP but I get permission denied when I tried to reach “var/www/html” and change some files. Can anyone please help me with that?
Thanks
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For anyone getting an ‘error3: access denied’ when attempting to save files to the server, make sure you are logged in either as ‘root’ or as a user with super user privileges (for me I am using WinSCP…and am currently without knowledge of how to perform a ‘sudo’ action via WinSCP…I only know how to do it via Putty etc), so for now I have opted to log in as ‘root’ (not the best practice in the long run though).
Boa noite,
Não aparece o a pasta www, como faço para localizar?
Error: Received unexpected end-of-file from SFTP server Error: Could not connect to server
Hello where I can set my Sftp user an password ?