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Recommend a sysadmin course
Can anyone recommend a good quality broad Linux sysadmin course? Ideally online material. Happy to pay for it.
It needs to cover day to day stuff like identifying a resource hungry process, which logs are where, package managers, iptables, software RAID, network device config, recovering a corrupted disk, file permissions, etc.
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I would start with any courses that prep you for the LPI certs as they are more general than the Red Hat cert courses: http://www.lpi.org/
I'm assuming this is for your career, not just hobby.
I don't have a specific course to recommend but you could look at pursuing RHCE certification. The requirements would at least give you a list of things you need to study, and it's the most marketable Linux sysadmin skill (at least in North America).
It's for colleagues who normally just do dev. Thanks for the recommendations. Looks like there's lots of material for LPI. Certification isn't important - just need to find some good material all in one place.
Even if you don't pursue certification, having the RHCE as a list of what a sysadmin should know is helpful.
20 years ago when I was a Solaris admin, I looked at the Solaris certs as a syllabus for my own study. Certs are basics - you'll need to go on from there, specialize, etc. but if you're starting from scratch it's one approach.
RHCE course would be the first option to go and then RHCSA, RHCVA or Amazon Cloud Certification to get Advance Linux sysadmin...
There is a very nice, famous answer to this on Reddit. I think it is on LinuxAdmin subreddit there.
Maybe give https://www.pluralsight.com a shot?
What?!? The path is RHCSA > RHCE > RHCA and not RHCE > RHCSA > RHCA...
RHCSA is a PRE-REQUISITE for RHCE.
If you are willing to pay for the courses and not really require the certification, have a look over at https://linuxacademy.com/ . The courses are great and you also have hands on labs. The materials are certification oriented and there are plenty to choose from.