Knowledge is Power
Source: http://www.liquidweb.com/kb/how-to-install-mysql-mariadb-on-centos-7/ MariaDB is a drop-in replacement for MySQL. It is easy to install, offers many speed and performance improvements, and is easy to integrate into most MySQL deployments. Answers for compatibility questions can be found at: MariaDB versus MySQL –...
Some tips and tricks to super charge bash Tip #01: Up down arrow auto complete ~/.inputrc #File: ~/.inputrc ## arrow up “\e[A”:history-search-backward ## arrow down “\e[B”:history-search-forward Tip #2: Auto complete hostnames in ssh, scp. More details here. $ brew install...
Well the post name is a misnomer. Lately I’ve been using ldapsearch command to test connection to ldap server, hence the name. Following is the shell command, $ ldapsearch -x -LLL -h ldapserver.example.com -D username -w password -b “DC=example,DC=com” -s...
Following script will help in setting up password-less ssh in one shot to multiple machines, Usage sample: $ remote-keyless.sh <file_of_hosts.txt> [password] #!/usr/bin/expect -f # remote-keyless.sh, v0.1, 2016-05-03, [email protected] # v0.2, 2016-09-28, [email protected] – added to make it compatible with pdsh ;)...
Script file below, #!/usr/bin/expect -f # adds server to known hosts list # file containing list of hostnames is passed as 1st arg set host_file [lindex $argv 0] set f [open $host_file] set hosts [split [read $f] “\n”] close $f...
Xming X Server for Windows is required to open display from your remote *nix host. Xming URL: https://sourceforge.net/projects/xming/ X11 packages are required on remote machine Following settings may or may not be required on the remote machine to X11 to work...
Following shell script will get the schema information from Hive using WebHCat server. #!/bin/sh # fetch_webhcat.sh, v0.1, 2016-04-00, [email protected] # Pre-requisites: jq, curl, python (json.tool) _WEBHCAT_SERVER=”server:50111″ _USER_NAME=”JohnDoe” while [[ $# > 1 ]] do key=”$1″ case $key in -u|–user)...
Method 1: Without using getopts while [[ $# > 1 ]] do key=”$1″ case $key in -u|–user) _USER=”$2″ shift # past argument ;; -s|–server) _SERVER=”$2″ shift # past argument ;; *) # unknown option printf “Usage: %s: [-s <server> -u...
Using the settings below will add colors to vi editor, change the tabstops to 4 and adds more niceness. This is how my .vimrc looks like. filetype plugin indent on ” show existing tab with 4 spaces width set number...
Ever wanted a local directory to host contents over http? Here is how you do it, $ python -mSimpleHTTPServer Above command will host the contents of the current directory over http port 8000. If you want to use a custom...
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