mamedshahmaliyev

useradd sftp_user
passwd sftp_user

#################################################################################################################
# VERY IMPORTANT: all the elements in /path/to/chroot_folder must be owned by root with at most 755 permissions #
#################################################################################################################
echo '''
Match User sftp_user
  X11Forwarding no
  AllowTcpForwarding no

mamedshahmaliyev

# pickle save and load
import pickle
pickle.dump(obj, open(file, 'wb'))
obj = pickle.load(open(file, 'rb'))

# datetime tasks
import datetime
datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')

# get execution time

mamedshahmaliyev

# install vmware tools
yum install -y open-vm-tools

mamedshahmaliyev

reboot # if no free sector error occurs
fdisk -l
fdisk /dev/sda 
# type n -> p -> 3
# type t -> 3 -> 8e
# type w
reboot
pvcreate /dev/sda3
vgdisplay
vg_name='centos'

mamedshahmaliyev

Stack(
  children: <Widget>[
    Column(
      children: <Widget>[
        Container(),
        Container(),
      ],
    ),
    _overlay(True)
  ],

mamedshahmaliyev

# enable hibernate
Powercfg /h on

# disable hibernate
Powercfg /h off

# specifiy hibernation file size as percentage of total RAM (between 50 and 100)
Powercfg /h /size nn

# view hibernation file size

mamedshahmaliyev

adb devices
adb -s 15a5e8fc(deviceId) tcpip 5555
adb connect 192.168.0.100:5555

adb devices
adb -s LGLS992a4b7c95d tcpip 5555
adb connect 192.168.0.157:5555

mamedshahmaliyev

su - postgres
psql

# change user password
ALTER USER user_name WITH PASSWORD 'new_password';

\l #list databases
\c db_name # use database
\dt # list tables

mamedshahmaliyev

var table_selector = '#table_id';
var i = 0; 
var content_length = 15;
document.querySelectorAll(table_selector + ' tr').forEach((row, i) => {
	row.querySelectorAll('td').forEach((td, j) => {
		td.innerHTML = Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, content_length);
	});
});

mamedshahmaliyev

# random between 10 and 5
select FLOOR(RAND()*(10-5+1)+5)