Alfreddd

# list open sockets for PID
sudo lsof -p 13264 | egrep 'TCP|UDP'

# count of sockets
sudo lsof -p 13264 | egrep "TCP|UDP" | wc -l


# list the open sockets for all passengers 
passenger-status | grep PID | awk '{ print $3}' | xargs -i sudo lsof -p {} | egrep 'TCP|UDP'

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

eferro

AWS Golang SDK examples

woowa-hsw0

#!/bin/bash

set -eu
umask 0022

if [[ $# -lt 1 ]]; then
    echo "Usage: $0 role_name [AWS ACCOUNT NUMBER]" >&2
    exit 1
fi

edsu

Got Retweets?

Even though Twitter's statuses/retweets API endpoint is limited to the last 100 retweets it is possible to use the search/tweets endpoint to search for the retweets using the text of the tweet. Caveat: This is only possible for tweets that have happened in the last 7 days, which is furthest back Twitter allow you to search for tweets in.

For example here is how you can get the retweets for this tweet and analyze the users in a spreadsheet.

bzub

If you can't get X11 or Wayland GUI Linux apps to start anymore on Chrome OS, try the following.

In the Terminal app, this will show the status of your systemd user services/units:

systemctl --user

If sommelier@0.service and sommelier-x@0.service show a failed status, the following worked for me:

sudo ln -s /opt/google/cros-containers/bin/sommelier.elf /usr/bin/