December 2005
Beginner
480 pages
13h 27m
English
Content preview from Linux Server Hacks, Volume TwoBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Hack #59. Synchronize root Environments with rsync
When you're managing multiple servers with local root logins, rsync provides an easy way to synchronize the root environments across your systems.
Synchronizing files between multiple computer systems is a classic problem. Say you've made some improvements to a file on one machine, and you would like to propagate it to others. What's the best way? Individual users often encounter this problem when trying to work on files on multiple computer systems, but it's even more common for system administrators who tend to use many different computer systems in the course of their daily activities.
rsync is a popular and well-known remote file and directory synchronization program that enables you to ensure that specified files and directories are identical on multiple systems. Some files that you may want to include for synchronization are:
.profile
.bash_profile
.bashrc
.cshrc
.login
.logout
Choose one server as your source server (referred to as srchost in the examples in this hack). This is the server where you will maintain the master copies of the files that you want to synchronize across multiple systems' root environments. After selecting this system, you'll add a stanza to the rsync configuration file (/etc/rsyncd.conf) containing, at a minimum, options for specifying the path to the directory that you want to synchronize (path), preventing remote clients from uploading files to the source server (read only), the user ID that ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.