elliot

ssh 10.0.0.0 "show virtual-chassis vc-port statistics member $1 $2" | tail -n 1 | awk {'print "traffic_in:"$2 " traffic_out:" $5'}

elliot

aws ec2 describe-instances --filters --output json \
   'Name=instance-state-name,Values=running'       \
   'Name=tag:Name,Values=SSHBastion'               \
   'Name=tag:Subnet,Values=public'                 \
  | jq -r '.Reservations[].Instances[].PublicDnsName

elliot

#!/usr/bin/env python
 
# Apply recommendation from https://wiki.mozilla.org/Security/Server_Side_TLS
 
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Contributors:
# Gene Wood [:gene]

elliot

sudo tcpdump -A -s 10240 'tcp port 10009 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' | egrep --line-buffered "^........(GET |HTTP\/|POST |HEAD )|^[A-Za-z0-9-]+: " | sed -r 's/^........(GET |HTTP\/|POST |HEAD )/\n\1/g'

elliot

-- These queries have been tested on a Postgres 9.5 Cluster running on RDS

-- Show queries running longer than 2 minutes
SELECT now() - query_start as "runtime", usename, datname, waiting, state, query
  FROM  pg_stat_activity
  WHERE now() - query_start > '2 minutes'::interval
 ORDER BY runtime DESC;
 
--
SET application_name='%elliot%';

elliot

# Monitor DNS queries
sudo tcpdump -i en0 -s 5000 -n port 53

elliot

Keybase proof

I hereby claim:

• I am elliot on github.
• I am elliotanderson (https://keybase.io/elliotanderson) on keybase.
• I have a public key whose fingerprint is 6762 80CB 263C 1F4A B71B B01D 0F2D 4C22 5CB0 FC38

To claim this, I am signing this object:

elliot

# >= Java 8 Update 131
# UseCGroupMemoryLimitForHeap - discover limits via cgroups
# MaxRAMFraction - use it all

java -server -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:MaxRAMFraction=1

elliot

1. Suspend: Ctrl+z
2. Resume: bg
3. Disown: disown %1
4. Launch screen
5. Find pid: prep BLAH
6. Reparent process: reptyr ###