SUID, SGID and Sticky bit

SOURCE By Sandeep There are 3 special permission that are available for executable files and directories. These are : 1. SUID permission 2. SGID permission 3. Sticky bit Set-user Identification (SUID) Have you ever thought, how a non-root user can... Continue Reading →

Apache advanced logging


mod_proxy VS mod_jk

A pros/cons comparison for those modules exists on mod_proxy * Pros: o No need for a separate module compilation and maintenance. mod_proxy, mod_proxy_http, mod_proxy_ajp and mod_proxy_balancer comes as part of standard Apache 2.2+ distribution o Ability to use http https... Continue Reading →

Iterating through the lines in file

Java Certificates

About Certificate Files Installation of the Application Server generates a digital certificate in JSSE (Java Secure Socket Extension) format suitable for internal testing. By default, the Application Server stores its certificate information in two files in the domain-dir/config directory: Keystore file, keystore.jks, contains... Continue Reading →

Git cached username

RAM disk

A RAM drive (also called a RAM disk) is a block of random-access memory (primary storage or volatile memory) that a computer's software is treating as if the memory were a disk drive (secondary storage). It is sometimes referred to as a virtual RAM drive or software RAM drive to distinguish it from... Continue Reading →


use -k     curl -k -I ""

Solr autocommit

up vote14down voteaccepted First off, you can see the expression ${solr.autoSoftCommit.maxTime:-1} within the tag. This allows you to make use of Solr's variable substitution. That feature is described in detail here in the reference. If that variable has not been substituted by any of... Continue Reading →

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