This is mostly a reminder for myself that http://169.254.169.254/latest/meta-data/ on a aws ec2 is really cool because you get get all sort of information with it.
aws meta-data
Tag: linux
LibreNMS & docker-compose
If you don’t know LibreNMS, it is a great monitoring tool with auto discovery, auto operating system detection, custom alert settings, extended application support and more. For details check out: https://www.librenms.org, https://github.com/librenms I was recently […]
Docker Won’t Start After Update
I updated docker on CentOS 8 from docker-ce-3:19.03.13-3.el8.x86_64 to docker-ce-3:20.10.1-3.el8.x86_64 and failed to start after update. Oh no, now what? 🙂 Let’s see more details: Turned out the fix was to remove trusted.xml, or better […]
Sort Processes by Memory Usage
FreeBSD *Use zfs-stats to check how much is zfs using from your memory Linux
CFengine
Delete a Single Line From History
Did you ever wanted to remove a single line from your shell history? This is how you can easily do it: use: history -d line number to remove the line, for example history -d 431, […]
FreeBSD, Variants Not Affected by Recent GNU Bug
Please see original article here:Â http://fossforce.com/2016/02/freebsd-variants-not-affected-recent-gnu-bug/
check free memory in FreeBSD
In case you’re coming from Linux world to FreeBSD first of all: Welcome! You might miss some commands, like free. Here is a very short tutorial for that. fetch https://raw.githubusercontent.com/ocochard/myscripts/master/FreeBSD/freebsd-memory.sh sh freebsd-memory.sh Then of course […]
Explaining BSD by Greg LeheyÂ
A great article from Greg Lehey about explaining BSD: https://www.freebsd.org/doc/en_US.ISO8859-1/articles/explaining-bsd/index.html
