nghuuphuoc

CREATE DATABASE db_name CHARACTER SET utf8 COLLATE utf8_general_ci;
GRANT ALL ON db_name.* TO user_name@localhost IDENTIFIED BY 'password';
FLUSH PRIVILEGES;

nghuuphuoc

1) dd if=/dev/zero of=FileName bs=<block size> count=<block count>

The following command creates a file named big_file.dat with size of 1GB:

dd if=/dev/zero of=big_file.dat bs=1024 count=1000000

2) mkfile -n size[b|k|m|g] filename

For example:
mkfile -n 1g big_file.txt

nghuuphuoc

// Instead of
// app.use(express.bodyParser())
// use:
app.use(express.json())
   .use(express.urlencoded());

nghuuphuoc

# See http://www.thegeekstuff.com/2012/03/chroot-sftp-setup/

$ groupadd apl_devs
$ useradd -g apl_devs -d /var/www/sass -s /sbin/nologin apl_dev_sass

$ passwd apl_dev_sass
Changing password for user apl_dev_sass.
New password: 
Retype new password: 
passwd: all authentication tokens updated successfully.

nghuuphuoc

$ rpm -Uvh http://nginx.org/packages/centos/6/x86_64/RPMS/nginx-1.4.7-1.el6.ngx.x86_64.rpm
$ chkconfig --add nginx
$ chkconfig --levels 235 nginx on

nghuuphuoc

# Enable Fedora Extra Packages for Enterprise Linux (EPEL) repos
$ rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

# Install npm from the epel repos
$ sudo yum install npm --enablerepo=epel

nghuuphuoc

wget http://url --user=<user> --password=<password>

nghuuphuoc

// Split file
$ split -b<size>m <bigFileName> <smallerFileName>

// Join files
$ cat <smallerFileName>* > <bigFileName>

For example:
$ split -b20m big.zip smaller.zip
$ cat smaller.zip* > big.zip

nghuuphuoc

// OS X Mountain Lion or Lion
$ sudo killall -HUP mDNSResponder

// Mac OS X v10.6
$ sudo dscacheutil -flushcache

nghuuphuoc

// http://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html

$ wget http://dev.mysql.com/get/mysql-community-release-el6-4.noarch.rpm
$ sudo yum localinstall mysql-community-release-el6-4.noarch.rpm

// Check MySQL Yum repos has been added
$ sudo yum repolist enabled | grep "mysql-community"
Failed to set locale, defaulting to C
mysql-community         MySQL Community Server          19