Ubuntu ———08.26.2017

Git on Ubuntu

git remote add origin git@github.com:JantonZeng/eCAL.git

git clone git@github.com:JantonZeng/eCAL

(Need to set up SSH key)

Installing ipython

sudo -i #enter as root user (use exit to quit)

apt install python-pip

pip install --upgrade pip

pip install ipython jupyter numpy requests bs4 lxml requesocks pysocks psycopg2 psutil nbimporter

jupyter notebook

Start postgres ubuntu terminal

sudo -u postgres psql

//

sudo -i -u postgres  #-i for interactive mode

VS.

Start postgres mac os

brew services start postgresql

psql db_teld

\dt

Modify postgresql config file:

SHOW config_file;

vim ---(directory)

max_files_per_process

max_connections

Restart Server:

Linux platforms results in "Too many open files" error：

- Increase “Open Files Limit”

/proc/

cat /proc/sys/fs/file-max

sudo vim /etc/sysctl.conf

ulimit -a

/etc/security/limits.conf

sudo service postgresql restart

- Check RAM usage

sudo swapon -s

- Update VMware on linux