Ceph RADOSGW provides a S3 compatible API ... and is Open Source. AWS is not.
If anything is added to the 200 level - bjs P.S. This is why I'm in favor of splitting HA (and LB) concepts from Storage, at the 300 level. P.P.S. Sorry I haven't been around. Been slammed by work and other things well into the evening and weekends, continually. That and 30 years as an UCF grad and alumni on Saturday. ;) On Mon, Nov 19, 2018 at 12:12 PM Simone Piccardi <[email protected]> wrote: > Il 19/11/18 17:10, Bear Giles ha scritto: > > How could I forget using S3 as a web server for static content? (With > > client-side javascript libraries and lambdas that means you can often > > create "serverless" websites.) Candidates shouldn't need to know the > > details but should know that S3 is an alternative to apache and nginx, > > and they should know that you can configure S3 so it sends an alert when > > a file is deleted and that means you can use cheaper 'spot instances' > > for scalability using cheaper spot instances. For instance you may have > > full-resolution video on permanent S3 and video in different formats on > > spot storage. When the latter file is deleted it automatically triggers > > a process that will recreate it. This is usually finished by the time a > > user requests a copy of the file, esp. if you are also using a caching > > layer. > > > > Candidates shouldn't need to know the details of how to do this but they > > should understand that a request for a "web server" might be satisfied > > by S3 and a lighter EC2 instance instead of a more expensive EBS and a > > heftier EC2 instance running the web server that provides the same > > static content. Or that if devs use S3 storage they may also may also > > need SNS (iirc) so they can receive notifications. SNS means knowing > > that the could be linked to other messaging tools, e.g., SQS that acts > > as a JMS server. > > > > It sounds like I'm arguing for a cloud-specific LPIC-2 but people still > > need to be able to set up most (not all) conventional servers as well. > > That's especially true with privacy laws that have a consequence of > > encouraging hybrid solutions where sensitive information is stored in a > > small data center the company controls while the public access is > > entirely done in a scalable public cloud. No unencrypted sensitive > > information would ever be on the public cloud, not even only in memory. > > Someone in that situation needs to know the costs and benefits of both > > S3 and apache/nginx, of RDS and their own oracle/mssql/mysql/postgresql > > server, etc. > > I was thinking that 202 is a Linux senior sysadmin exam, it seems to me > that you are talking about an Amazon services admin exams. > > Don't see anything on this regarding Linux knowledge. But probably I'm > missing something. > > > Regards > Simone > -- > Simone Piccardi Truelite Srl > [email protected] (email/jabber) Via Monferrato, 6 > Tel. +39-347-1032433 50142 Firenze > http://www.truelite.it Tel. +39-055-7879597 > _______________________________________________ > lpi-examdev mailing list > [email protected] > http://list.lpi.org/cgi-bin/mailman/listinfo/lpi-examdev > -- -- Bryan J Smith - http://www.linkedin.com/in/bjsmith E-mail: b.j.smith at ieee.org or me at bjsmith.me
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