| sudo tcpdump -i ens5 -n udp port 8125 -X | |
| sudo tcpdump -i lo -n tcp port 2003 -X |
| ###################################################################################################### | |
| # SignalFX RabbitMQ (https://github.com/signalfx/collectd-rabbitmq) | |
| # See https://docs.signalfx.com/en/latest/integrations/agent/monitors/collectd-rabbitmq.html | |
| ###################################################################################################### | |
| # ------------------------------------------ | |
| # Channel Counters (counter.channel) | |
| # ------------------------------------------ | |
| counter.channel.message_stats.ack value:COUNTER:0:U # The number of acknowledged messages | |
| counter.channel.message_stats.confirm value:COUNTER:0:U # Count of messages confirmed. |
| log_format main_json escape=json '{' | |
| '"msec": "$msec", ' # request unixtime in seconds with a milliseconds resolution | |
| '"connection": "$connection", ' # connection serial number | |
| '"connection_requests": "$connection_requests", ' # number of requests made in connection | |
| '"request_id": "$request_id", ' # the unique request id | |
| '"request_length": "$request_length", ' # request length (including headers and body) | |
| '"remote_addr": "$remote_addr", ' # client IP | |
| '"remote_user": "$remote_user", ' # client HTTP username | |
| '"remote_port": "$remote_port", ' # client port | |
| '"date_gmt": "$date_gmt", ' # current time in GMT. The format is set by the config command with the timefmt parameter |
| { | |
| "type": "Microsoft.Resources/deployments", | |
| "properties": { | |
| "mode": "Incremental", | |
| "template": { | |
| "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#", | |
| "contentVersion": "1.0.0.0", | |
| "resources": [ | |
| { |
| Kubernetes Learning Resources | |
| ----------------------------- | |
| 50 days from zero to hero with Kubernetes (Free Video Content) by Microsoft | |
| https://azure.microsoft.com/mediahandler/files/resourcefiles/kubernetes-learning-path/Kubernetes%20Learning%20Path_Version%202.0.pdf | |
Retrieve hosted zones with aws route53 list-hosted-zones then enter the zone Id below:
TSV
aws route53 list-resource-record-sets --hosted-zone-id "/hostedzone/xxxxxxxxxxx" | jq -r '.ResourceRecordSets[] | [.Name, .Type, (.ResourceRecords[]? | .Value), .AliasTarget.DNSName?] | @tsv'CSV
| # Find out what process is using all the RAM? | |
| ps -e -o pid,vsz,comm= | sort -n -k 2 | |
| # clear page cache only without interrupting any processes or services. (Run as Root) | |
| sync; echo 1 > /proc/sys/vm/drop_caches | |
| # clear dentries and inodes only without interrupting any processes or services. (Run as Root) | |
| sync; echo 2 > /proc/sys/vm/drop_caches | |
| # clear page cache, dentries and inodes only without interrupting any processes or services. (Run as Root) |
| erb -x -T '-' file.erb | ruby -c |
| git remote add upstream https://github.com/ORIGINAL_OWNER/REPOSITORY.git | |
| git remote -v | |
| origin https://github.com/USERNAME/REPOSITORY.git (fetch) | |
| origin https://github.com/USERNAME/REPOSITORY.git (push) | |
| upstream https://github.com/ORIGINAL_OWNER/REPOSITORY.git (fetch) | |
| upstream https://github.com/ORIGINAL_OWNER/REPOSITORY.git (push) | |
| git fetch upstream | |
| git checkout master | |
| git rebase upstream/master |
| nping -c 1 --tcp -p 80 10.10.10.1 | |
| Starting Nping 0.7.80 ( https://nmap.org/nping ) at 2020-01-29 16:53 GMT | |
| SENT (0.0141s) TCP 192.168.1.221:5991 > 10.10.10.1:80 S ttl=64 id=35587 iplen=40 seq=1474941899 win=1480 | |
| RCVD (0.3046s) TCP 10.10.10.1:80 > 192.168.1.221:5991 SA ttl=37 id=0 iplen=44 seq=3029599029 win=11520 <mss 582> | |
| Max rtt: 290.255ms | Min rtt: 290.255ms | Avg rtt: 290.255ms | |
| Raw packets sent: 1 (40B) | Rcvd: 1 (46B) | Lost: 0 (0.00%) | |
| Nping done: 1 IP address pinged in 1.02 seconds |