In a typical work week, a Unix systems administrator is likely to have at least one small mystery to solve — one “huh?”, one “that doesn’t make any sense” or one “I’ve never seen this before”. Most of ...

The command will move through a series of prompts. First, it will ask where you want to save the keys. Unless you are an expert, accept the default. This will create an “id_rsa” and an “id_rsa.pub” ...

I'm working on some scripts that execute on various servers, and I'm trying to consolidate them into one. The problem is that I need to run remote commands but can't ...

It's no less than a modern miracle ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

One of the things ssh can do is execute a command on a remote server. Most of us expect it to work transparently when doing so, simply passing the command and its arguments on without any surprises in ...

You can avoid command line tedium and simplify access to a fleet of servers by creating a flexible configuration file for your SSH client. Here’s how. This blog post covers how to configure the ...

Since normal ssh commands work but git commands don't, I think it's a problem with git-for-windows, somehow. My current workaround is to add IdentityFile tag to ~\.ssh\config pointing to the right key ...

If shutting off telnet access and insisting that all system-to-system connections use ssh isn’t enough to toughen your system’s hide, here’s another way to make your servers just a little more ...

How to run a single command on multiple Linux machines at once Your email has been sent I’m always looking for ways to make my work more efficient, so the last ...