How to unmount a busy device

YES!! There is a way to detach a busy device immediately – even if it is busy and cannot be unmounted forcefully. You may cleanup all later: NOTE/CAUTION These commands can disrupt a running process, cause data loss OR corrupt open files. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly … Read more

How to unmount a busy device

YES!! There is a way to detach a busy device immediately – even if it is busy and cannot be unmounted forcefully. You may cleanup all later: NOTE/CAUTION These commands can disrupt a running process, cause data loss OR corrupt open files. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly … Read more

What is the meaning of *nix?

*nix just means operating systems that are like the old workhorse Unix. Some examples include Linux, FreeBSD, and Mac OS X (its kernel, Darwin, is based on BSD). The main relation between *nix and Ruby is just a pragmatic one; most Ruby developers seem to prefer to work on Unix-like OSes (typically Linux or Mac … Read more

What is a clearfix?

If you don’t need to support IE9 or lower, you can use flexbox freely, and don’t need to use floated layouts. It’s worth noting that today, the use of floated elements for layout is getting more and more discouraged with the use of better alternatives. display: inline-block – Better Flexbox – Best (but limited browser … Read more

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