December 2018
Beginner
826 pages
22h 54m
English
Content preview from Linux Administration Cookbook
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Don't overlook the simple
Alongside date, another command I run almost as an impulse is df -h:
$ df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/VolGroup00-LogVol00 38G 4.8G 33G 13% /devtmpfs 235M 0 235M 0% /devtmpfs 244M 0 244M 0% /dev/shmtmpfs 244M 4.5M 240M 2% /runtmpfs 244M 0 244M 0% /sys/fs/cgroup/dev/sda2 1014M 63M 952M 7% /boottmpfs 49M 0 49M 0% /run/user/1000
Like time being wrong, cosmically stupid errors can occur when disk space has run out, with no actual indication as to what the real problem is. Programs rarely print I can't write to this file, so I'm broken, and instead usually settle on cryptic, baffling, and altogether mind-numbing errors that make no sense on the face of it.
Check disk space second.
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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.