from the Percona toolkit. ‘Conveniently summarizes the status and configuration of a server. It is not a tuning tool or diagnosis tool. It produces a report that is easy to diff and can be pasted into emails without losing the formatting. This tool works well on many types of Unix systems.’ — summarises OOM history, top, netstat connection table, interface stats, network config, RAID, LVM, disks, inodes, disk scheduling, mounts, memory, processors, and CPU.
(tags: percona tools cli unix ops linux diagnosis raid netstat oom)
How much can an extra hour’s sleep change you?
What they discovered is that when the volunteers cut back from seven-and-a-half to six-and-a-half hours’ sleep a night, genes that are associated with processes like inflammation, immune response and response to stress became more active. The team also saw increases in the activity of genes associated with diabetes and risk of cancer. The reverse happened when the volunteers added an hour of sleep.
some great phone cases from an Irish company, with nifty art by Irish illustrators and artists including Fatti Burke and Chris Judge
(tags: chris-judge fatti-burke illustrators art ireland iphone cases)