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@ankit-rakha
ankit-rakha / AWS CLI
Last active April 11, 2016 08:55
AWS CLI
cd /tmp/
curl -O https://bootstrap.pypa.io/get-pip.py
python get-pip.py
pip install awscli
pip install --upgrade awscli
@ankit-rakha
ankit-rakha / vertica_copy_command
Last active August 29, 2015 14:06
Vertica COPY command to load data
A Vertica COPY command to load data into the public.dummyTable table from data file dummyTable.psv, which is delimited with a "|" and all exceptions and rejected records are written into the specified log - dummyTable.exceptions & dummyTable.rejections respectively, and the DIRECT option loads data directly into the ROS.
COPY public.dummyTable FROM '/home/dummyTable/dummyTable.psv' DELIMITER '|' EXCEPTIONS '/home/dummyTable/dummyTable.exceptions' REJECTED DATA '/home/dummyTable/dummyTable.rejections' DIRECT NULL '';
@ankit-rakha
ankit-rakha / checkSFTP
Created September 8, 2014 06:35
check if SFTP is enabled
check the SSH configuration file (in most cases /etc/ssh/sshd_config) and make sure the following line is present and not commented out:
Subsystem sftp /usr/lib/openssh/sftp-server
@ankit-rakha
ankit-rakha / Sqoop 2 Server Advanced Configuration Snippet (Safety Valve) for sqoop.properties
Created July 1, 2014 09:12
add the below into Sqoop2's properties in service safety valve on upgrading to 5.0.2-1.cdh5.0.2.p0.13
org.apache.sqoop.connector.autoupgrade=true
org.apache.sqoop.framework.autoupgrade=true
@ankit-rakha
ankit-rakha / get system serial number
Created May 9, 2014 05:33
get system serial number
dmidecode -s system-serial-number
@ankit-rakha
ankit-rakha / CIS_Red_Hat_Enterprise_Linux_6_Benchmark_v1.2.0
Created August 20, 2013 02:36
CIS_Red_Hat_Enterprise_Linux_6_Benchmark_v1.2.0
https://benchmarks.cisecurity.org/tools2/linux/CIS_Red_Hat_Enterprise_Linux_6_Benchmark_v1.2.0.pdf
@ankit-rakha
ankit-rakha / install_subversion
Last active December 19, 2015 10:39
yum install
wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
// Editors
libotf, emacs, vim
// System utilities
lsof, tcpdump, strace
// File packaging utilities
zip, unzip
@ankit-rakha
ankit-rakha / pointers_to_functions
Created June 26, 2013 01:16
pointers to functions
// Define function
func1(){
...
}
// Pointer to function
void *func1_ptr = func1;
// Call to function using pointer
(*func1_ptr) ();
@ankit-rakha
ankit-rakha / Install_driver_for_ethernet_card
Created June 8, 2013 20:43
Linux* Base Driver for Intel(R) Ethernet Network Connection
1. Move the base driver tar file to the directory of your choice.
For example, use /home/username/e1000 or /usr/local/src/e1000.
2. Untar/unzip archive:
tar zxf e1000-x.x.x.tar.gz
3. Change to the driver src directory:
@ankit-rakha
ankit-rakha / spdy_disabled_in_chrome
Created June 8, 2013 20:38
Google Chrome with SPDY disabled and set it to use System SSL
MAC OS X 10.8.3
$ cd /Applications/Google\ Chrome.app/Contents/MacOS
$ mv Google\ Chrome Chrome
Copy the following 2 lines:
#!/bin/sh
/Applications/Google\ Chrome.app/Contents/MacOS/Chrome --use-spdy=off --use-system-ssl