Before we look at some common commands, I just want to note a few keyboard commands that are very helpful:
Up Arrow: Will show your last commandDown Arrow: Will show your next commandTab: Will auto-complete your commandCtrl + L: Will clear the screen
| From self[at]sungpae.com Mon Nov 8 16:59:48 2021 | |
| Date: Mon, 8 Nov 2021 16:59:48 -0600 | |
| From: Sung Pae <self[at]sungpae.com> | |
| To: [email protected] | |
| Subject: Permissive forwarding rule leads to unintentional exposure of | |
| containers to external hosts | |
| Message-ID: <YYmr4l1isfH9VQCn@SHANGRILA> | |
| MIME-Version: 1.0 | |
| Content-Type: multipart/signed; micalg=pgp-sha256; | |
| protocol="application/pgp-signature"; boundary="QR1yLfEBO/zgxYVA" |
| #!/bin/bash | |
| # Send a simple mail from shell with this script | |
| # Niko Heikkila 2012 | |
| TO=$1 | |
| SUBJECT=$2 | |
| MSG=$3 | |
| BODY=$HOME/message.tmp |
| #!/bin/bash | |
| # Author: Amith Chandrappa | |
| # Usage | |
| # Options: | |
| # -t: To Emails, Separated by ";" | |
| # -c: CC Emails, Separated by ";" | |
| # -b: BCC Emails, Separated by ";" | |
| # -s: Subject | |
| # -o: Email body |
| #!/bin/bash | |
| source /home/project/myenv/bin/activate | |
| cd /home/project/server | |
| PID=$(ps aux | grep 'uvicorn myapp:app' | grep -v grep | awk {'print $2'} | xargs) | |
| if [ "$PID" != "" ] | |
| then | |
| kill -9 $PID | |
| PID=$(ps aux | grep '/home/project/myenv/bin/python -c from multiprocessing' | grep -v grep | awk {'print $2'} | xargs) | |
| if [ "$PID" != "" ] | |
| then |
Bootstraping clusters with kubeadm
| #!/usr/bin/env bash | |
| # Reference: https://cloud.google.com/memorystore/docs/redis/connect-redis-instance-functions#python | |
| # enable APIs | |
| gcloud services enable redis.googleapis.com | |
| gcloud services enable cloudfunctions.googleapis.com | |
| gcloud services enable vpcaccess.googleapis.com | |
| # set these to your specific environment |
| https://stackoverflow.com/a/1888569/11842937 | |
| In MySQL: | |
| SELECT * | |
| FROM mytable | |
| WHERE record_date >= NOW() - INTERVAL 1 DAY | |
| In SQL Server: | |
| SELECT * |
| Filter | Description | Example |
|---|---|---|
| allintext | Searches for occurrences of all the keywords given. | allintext:"keyword" |
| intext | Searches for the occurrences of keywords all at once or one at a time. | intext:"keyword" |
| inurl | Searches for a URL matching one of the keywords. | inurl:"keyword" |
| allinurl | Searches for a URL matching all the keywords in the query. | allinurl:"keyword" |
| intitle | Searches for occurrences of keywords in title all or one. | intitle:"keyword" |
| # Maintainer: Jakub Hajek, [email protected] | |
| # | |
| # docker stack deploy -c stack-elastic.yml elastic | |
| # | |
| # The stack creates Elasticsearch cluster consiting of | |
| # - 3 dedicated master nodes in order to keep quorum | |
| # - 4 dedicated data nodes to manage CRUD, | |
| # - 2 coordination node acting like kind of load balancer in multi instance environments | |
| # | |
| # |
