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It's pathed and even when using an absolute path it has the same behavior. I want to use this with ansible, but it won't even work directly.
SSH password automation in Linux with sshpass
I can't seem to find any information online about this functioning or not functioning for other people, but I used other people's containers and my own and I couldn't get it to function on either. It's worth mentioning that the underlying ssh executable works and I can connect to the host that way. SSHpass was working fine, but the alpine container python This was resolved by changing the line in the Dockerfile from RUN apk add --update --no-cache sshpass to RUN apk add --update --no-cache openssh sshpass.
PS : I am sure you know what you are doing and stuff, but please make sure you have looked into public key authentication before reaching for things like sshpass. Sign up to join this community. The best answers are voted up and rise to the top. Asked 2 years, 8 months ago. Active 2 years, 8 months ago.
Viewed 6k times. Brian Brian 2 2 silver badges 5 5 bronze badges. Active Oldest Votes. This errormessage is confusing as it doesn't mention that the ssh component is failing. This can be fixed by running apk add --update openssh. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.
Email Required, but never shown. The Overflow Blog. Podcast Ben answers his first question on Stack Overflow. The Overflow Bugs vs. Featured on Meta.SSHPass is a tiny utility, which allows you to provide the ssh password without using the prompt. This will very helpful for scripting. SSHPass is not good to use in multi-user environment. If you use SSHPass on your development machine, it don't do anything evil.
Installing on OS X is tricky, since there is no official build for it. Before you get started, you need install xcode and command line tools. Homebrew does not allow you to install sshpass by default. But you can use the following unofficial brew package for that. Warning: MD5 support is deprecated and will be removed in a future version. My brew failed due to MD5. Thanks kadwanev Updated.
You get an error page reading "The sourceforge. This also explained why the install worked fine for me on one Mac yesterday, but failed on another today. I'm also finding multiple other installs via Homebrew are failing today, probably all due to the SourceForge outage.
SourceForge confirmed. I found an alternative URL that worked and updated the sshpass. Installed without issue after saving the updated Ruby script to my server and running the brew install command pointing to that URL. GNU checking for gcc If you meant to cross compile, use --host'. GNU checking for localhost-gcc Tpo -c -o main. Sending password. Wrong password. GNU checking for igcc FYI, before installing, always look at the formula source to confirm that the download URL is still pointing to an authoritative archive.
My errors: Error: Your Xcode 1 is too outdated. Please update to Xcode 9. I'm running the latest version, What if you want to supply a password along with username to SSH prompt itself?Docker versus Systemd - Can't we just get along?
Sshpass runs ssh in a devoted tty, mislead it into believing that it is receiving the password from an interactive user. I highly recommend using SSH Passwordless authentication. Alternatively, you can install from source to have latest version of sshpassfirst download the source code and then extract contents of the tar file and install it like so:.
As I mentioned before, sshpass is more reliable and useful for scripting purposes, consider the example commands below. Login to remote Linux ssh server Important : Here, the password is provided on the command line which is practically unsecure and using this option is not recommended.
sshpass: An Excellent Tool for Non-Interactive SSH Login – Never Use on Production Server
However, to prevent showing password on the screen, you can use the -e flag and enter the password as a value of the SSHPASS environment variable as below:. On the other hand, you can also use the -f flag and put the password in a file.
This way, you can read the password from the file as follows:. In this article, we explained sshpass a simple tool that enables non-interactive password authentication. Please, do leave a question or comment via the feedback section below for any further discussions.
TecMint is the fastest growing and most trusted community site for any kind of Linux Articles, Guides and Books on the web. Millions of people visit TecMint! If you like what you are reading, please consider buying us a coffee or 2 as a token of appreciation. We are thankful for your never ending support. And if you want to be more secure, maybe you can use a openvpn tunnel for the remote host and some iptables rules to restrict the ip source of the sshpass host.
Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. The problem then is that traditionally, a running docker container will only run a single command.
You can get around this problem by using something like supervisord. Learn more. Asked 3 years, 10 months ago.
Active 3 years, 10 months ago. Viewed 15k times. Dimitris Fasarakis Hilliard k 24 24 gold badges silver badges bronze badges. Active Oldest Votes. Well, as part of the image file you'll simply have to install openssh-server: sudo apt-get install openssh-server The problem then is that traditionally, a running docker container will only run a single command.
One essential tool used by many system administrators on Linux platforms is SSH. SSH supports two forms of authentication:. Public-key authentication is considered the most secure form of these two methods, though password authentication is the most popular and easiest. However, with password authentication, the user is always asked to enter the password. This repetition is tedious. Furthermore, SSH also requires manual intervention when used in a shell script. If automation is needed when using SSH password authentication, then a simple tool called sshpass is indispensable.
The sshpass utility is designed to run SSH using the keyboard-interactive password authentication mode, but in a non-interactive way. SSH uses direct TTY access to ensure that the password is indeed issued by an interactive keyboard user.
Specify the command you want to run after the sshpass options. Typically, the command is ssh with arguments, but it can also be any other command. The SSH password prompt is, however, currently hardcoded into sshpass. Use sshpass to log into a remote server by using SSH. Let's assume the password is! Below are several ways to use the sshpass options. You can also use sshpass with a GPG-encrypted file.
When the -f switch is used, the reference file is in plaintext. Let's see how we can encrypt a file with GPG and use it. This doesn't, by any means, override the most secure form of SSH authentication, which is public-key authentication. However, sshpass can also be added to the sysadmin toolbox. I am a student of performance and optimization of systems and DevOps.
I have passion for anything IT related and most importantly automation, high availability, and security. More about me. Enable Sysadmin.
SSH password automation in Linux with sshpass. The sshpass utility helps administrators more easily manage SSH connections in scripts. Image by Manfred Richter from Pixabay. Check out these related articles on Enable Sysadmin Image. Locking down sshd. Learn how to keep your systems safe and prevent unauthorized access through SSH by following these simple suggestions. Posted: July 19, How to manage multiple SSH key pairs. Secure your systems with multiple SSH keys without losing your mind.Easy to setup and best tracking app I ever used.
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