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.
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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.
ps aux | awk '{print $6/1024 " MB\t\t" $11}' | sort -rn | head -10 593.508 MB /usr/lib/slack/slack 528.391 MB /usr/lib/firefox/firefox 491.52 MB /usr/lib/firefox/firefox 416.336 MB /opt/brave.com/brave/brave 388.254 MB /usr/bin/gnome-shell 339.266 MB /usr/lib/firefox/firefox 337.309 MB /opt/brave.com/brave/brave 301.047 MB /usr/lib/slack/slack 249.516 MB /opt/brave.com/brave/brave Oh Slack… The email killer? Well you are also the largest consumer of my RAM. Do you need a whole GB for messaging? As you can also see, I run both Brave Browser (which is excellent and you should probably also use) and Firefox (which is pretty solid and separate enough from Brave/Chromium/Chrome to provide a nicer distraction).
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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 "./" | column -c3 -s " " -t | sort -nr | nl | head -n10 My Top 10 1 488 16.1857% cd 2 425 14.0962% git 3 371 12.3051% ssh 4 337 11.1774% docker 5 335 11.1111% ls 6 118 3.91376% aws 7 115 3.81426% sudo 8 94 3.11774% code 9 65 2.15589% docker-compose 10 60 1.99005% vim What does this say about me? Well, first off, I should say that this is not necessarily unexpected. I use cd a lot, which is mainly to move between directories. You can also see that I use docker and docker-compose quite often. And also that almost everything is in git.
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