Wednesday, Apr 10, 2019
Increasing disk space on the fly inside AWS is a joy to do (kind of). Especially compared to the challenges with bare-metal or on premise systems.
Understanding the Disks When working with disks, it is a good idea to have some idea how they work. Normally you would have a set of disks defined in you /dev system (for devices) and you should be able to see these added externally. ...
Friday, Jan 11, 2019
There has been a tweet doing the rounds about how people are doing with managing their RAM. Generally speaking I have a couple of machines, varying from 4-16GB or RAM. As you can expect I don’t have many spare GB of RAM knocking about, pretty much ever.
# Wtf is eating up my RAM?
ps aux | awk '{print $6/1024 " MB\t\t" $11}' | sort -rn | head -25#Linux #sysadmin @nixcraft @UnixToolTip ...
Tuesday, Sep 4, 2018
What commands do you use most on command line? As a daily (hourly) linux user, I use command line tools for almost everything that I do. Opening files, copying, moving, making connections (ssh), starting containers (docker). But what ones do I use most? Here is a little command to find out for yourself.
Find out your top 10: history | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep -v ". ...
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