Add/remove passphrase to a private key Of course you can add/remove a passphrase at a later time. add one (assuming it was an rsa key, else use dsa) openssl rsa -aes256 -in your.key -out your.encrypted.key mv your.encrypted.key your.key the -aes256 tells openssl to encrypt the key with AES256. As ArianFaurtosh has correctly pointed out: For the encryption algorithm you can use aes128, aes192, aes256, camellia128, camellia192, camellia256, des (which you definitely should avoid), des3 or idea remove it […]

How to detect changes in a directory with Bash Sometimes it may be useful to have a script detect whether the contents in a directory have changed since the last time script was run, but excluding some of the files or directories inside. This may be used, among other things, to make backups, for example: there are situations where, instead of doing incremental backups, one […]

Contact/Organization not showing to Non-Admin User ************** CREATE TABLE IF NOT EXISTS `vtiger_cv2group` ( `cvid` int(25) NOT NULL, `groupid` int(25) NOT NULL, KEY `vtiger_cv2group_ibfk_1` (`cvid`), KEY `vtiger_groups_ibfk_1` (`groupid`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; ************** CREATE TABLE IF NOT EXISTS `vtiger_cv2role` ( `cvid` int(25) NOT NULL, `roleid` varchar(50) NOT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1; ************** CREATE TABLE IF NOT EXISTS `vtiger_cv2rs` ( […]

How to upgrade Vtiger 6.5 to 7.1 – Tutorial Two ways to upgrade Vtiger 6.5 to 7.1 There are two ways of updating vtiger to a new version. Option #1 – Upgrading Vtiger Using Patch The first way is to use the patch provided by Vtiger. This method is very similar to earlier versions. You will need to backup your files and database, download the patch, […]

Nmap Cheat Sheet Nmap has a multitude of options and when you first start playing with this excellent tool it can be a bit daunting. In this cheat sheet you will find a series of practical example commands for running Nmap and getting the most of this powerful tool. Keep in mind that this cheat sheet merely […]

Install Kopano on Debian 8 What is Kopano? Kopano is a fork (a spin-off) of Zarafa. Some components have been adopted, others written from scratch. Kopano is open source, offers a wide range of functions and has a modular structure: core (base for all other components) webapp (fully equipped web GUI a la Outlook Web Access) files (integration of various cloud services, […]