acsrujan

'''

If you're viewing it from pdf, original program can be found at: https://gist.github.com/acsrujan/15e211400258871f538a

To run download the file as it is. 
Make sure you've python installed. (run python --version in terminal)
python filename.py -h will show the help line. (Make sure to change the file name.)

python filename.py -c will show contacts. and so on.
'''

acsrujan

sudo touch /etc/apt/sources.list.d/pgdg.list
echo "deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main" | sudo tee -a /etc/apt/sources.list.d/pgdg.list
wget --quiet -O - http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | sudo apt-key add -

sudo apt-get update
sudo apt-get -y install postgresql-9.3 libpq-dev postgresql-contrib-9.3
sudo apt-get autoremove

sudo pg_dropcluster --stop 9.3 main
sudo pg_createcluster --start -e UTF-8 9.3 main

acsrujan

#!/bin/bash
#set -x

# set the internal field spereator to line break, so that we can iterate easily over the verify-pack output
IFS=$'\n';

# list all objects including their size, sort by size, take top 10
objects=`git verify-pack -v .git/objects/pack/pack-*.idx | grep -v chain | sort -k3nr | head`

echo "All sizes are in kB's. The pack column is the size of the object, compressed, inside the pack file."

acsrujan

#!/bin/bash

#---The following is to create AMI of server daily---#
echo "instance-`date +%d%b%y`" > /tmp/ami-name.txt
INSTANCE_ID=$1 #Pass instance id as arguement or change hardcode it here.
aws ec2 create-image --instance-id $INSTANCE_ID --name "`cat /tmp/ami-name.txt`" --description "This is daily auto AMI by Cron" --no-reboot | grep -i ami | awk '{print $2}' > /tmp/ami-id.txt

#---The following is to remove AMIs older than 3 days---#
echo "instance-`date +%d%b%y --date '3 days ago'`" > /tmp/ami-delete.txt
aws ec2 describe-images --filters "Name=name,Values=`cat /tmp/ami-delete.txt`" | grep -i imageid | awk '{ print  $2 }' > /tmp/image-id.txt

acsrujan

$LOAD_BALANCER_NAME=""
Instance_ids=`aws elb describe-load-balancers --load-balancer-name $LOAD_BALANCER_NAME --query "LoadBalancerDescriptions[*].{ID:LoadBalancerName,InstanceId:Instances[*].InstanceId}[*]. {ELB:ID,InstanceId:InstanceId[*]}" --output=json |jq -r ".[].InstanceId|@csv"`
for $INSTANCE_ID in ${Instance_ids[@]}:
  do
    private_ip=`aws ec2 describe-instances --instance-id $id |jq -r '.Reservations[].Instances[] | .PrivateIpAddress'`
    aws elb deregister-instances-from-load-balancer --load-balancer-name $LOAD_BALANCER_NAME  --instances $INSTANCE_ID
    `ssh $username@$private_ip` < deployment_script.sh
    aws elb register-instances-with-load-balancer --load-balancer-name $LOAD_BALANCER_NAME  --instances $INSTANCE_ID
  done

acsrujan

import platform
import os
import multiprocessing

os_name = platform.system()
print ("os_name:"+os_name)
os_version = platform.version()
print ("os_version:"+os_version)

cpu_architecture = platform.architecture()[0]

acsrujan

arr=```grep -o "in.*ms" $LOG_FILE_NAME | awk '{if ($2-75000ms > 0) print $2}' | sort -r -n``` | for i in $arr; do grep -B 1 $i $LOG_FILE_NAME |awk '{print $2 FS $3}'; echo $i; done

acsrujan

#!/bin/bash
LOAD_BALANCER_NAME=$1
Instance_ids_str=`aws elb describe-load-balancers --load-balancer-name $LOAD_BALANCER_NAME --query "LoadBalancerDescriptions[*].{ID:LoadBalancerName,InstanceId:Instances[*].InstanceId}[*]. {ELB:ID,InstanceId:InstanceId[*]}" --output=json |jq -r ".[].InstanceId|@csv" |sed 's/\"//g'`
IFS=',' read -a Instance_ids_array <<< "$Instance_ids_str"
for INSTANCE_ID in ${Instance_ids_array[$RANDOM % ${#Instance_ids_array[@]}]}
do
  aws elb deregister-instances-from-load-balancer --load-balancer-name $LOAD_BALANCER_NAME  --instances $INSTANCE_ID
  aws elb register-instances-with-load-balancer --load-balancer-name $LOAD_BALANCER_NAME  --instances $INSTANCE_ID
done

acsrujan

To find largest inode directory.
```for i in /*; do echo $i; find $i |wc -l; done```

acsrujan

Download Repo in /var/www/ folder.