OpenSSL can be used to encrypt/decrypt the files and can also be used to secure the communication channels . I touched a file file.txt To encrypt the file : Now to decrypt the file file.enc: The encryption requires a password and the same password will be asked to decrypt the file. But the password...
Ylva previously known as Titan is a command line password manager in Linux . In this tutorial we will see how to install it on an Ubuntu 16.4 Ylva uses OpenSSL (or LibreSSL) for encryption. For password database SQLite is used. Ylva encrypts the database using AES with 256 keys. Encrypted database is authenticated...
It is very common these days replacing the traditional hard drive on your laptop with an SSD . There are lot of advantages of doing it in terms of speed ,performance etc .So here we are using an external hardisk enclosure and a Linux mint live USB stick to acheive it . The external...
This script is used to ping a number of host IP’s and send an email if the host IP is down : You can add any number of IP’s under the ‘HOSTS’ variable.This is using the mail utility tool to sent the email alerts . As this is system generated emails, most of the...
Sometimes you may need to replace the timestamps from a very large log file To make the change permanent to the file :
RAM can be used as a temporary storage in Linux and performance wise it is much faster than your traditional hard drives . Since it is a volatile memory , this storage won’t sustain a shutodwon or a sudden power drop on your system . Nowdays, there are ways to handle this by keeping...
When you install Cacti , it will auto install and configure the Apache webserver for you and you will then be able to access the Web GUI via the Public IP . But there are cases you already have apache installed and other services running . For eg: my server is an AWS EC2...
So after installing cacti 1.1.38 , rrd tools ,snmp-utils and after successfully adding the device , the graphs are not genrating and simply getting the below error. Cacti 1.1.38 ERROR Opening .rrd No Such file or directory Enable ‘debug’ option for the graphs under Management > Graphs, that will show the rrd logs in...
You need a LAMP Stack to get cacti working on an Ubuntu server, get the server ready with all the updates and upgrades Cacti requires MySQL version 5.6 and to get it from the archives add the following custom repository: Now install the required packages: During the installation process you will be asked to...