Posts by ServerOk

VestaCP Free Hosting Control Panel

VestaCP Zero-day exploit

On 07 April 2018, many servers using VestaCP got hacked. Hacker was able to get root acceess on these servers.

Create user in PostgreSQL

Create user in PostgreSQL

Method 1 To create user, become user “postgres” with now run Method 2 You can run following commands in psql

SUSE Linux Enterprise Server

SUSE Linux Enterprise Server is a commercial linux distribution available at https://www.suse.com/products/server/ To find version, run Example SUSE Linux use

Install Open Source Zimbra Mail Server

To install Zimbra, Download the latest version of “Zimbra Collaboration Open Source” form https://www.zimbra.com/downloads/ At the time of this post,

Getting Started with MongoDB

Getting Started with MongoDB

After MongoDB is installed, you can start MongoDB client with command. List All Databases To see list of all available

Install MongoDB in Ubuntu

Install MongoDB in Ubuntu

To install MongoDB in Ubuntu/Debian, run Configuration file for MongoDB is To see status of MongoDB, run To start/stop Create

Zimbra Generate DKIM Key

Zimbra Generate DKIM Key

To generate DKIM key in Zimbra Mail server, login as user zimbra Now run Example Zimbra

Install MATE Desktop in Ubuntu

Install MATE Desktop in Ubuntu

Add PPA repo with command To install MATE run This install was done on remote VPS with x2go server. Once

Install GeoIP PHP Module in Ubuntu

Install GeoIP PHP Module in Ubuntu

To install GeoIP php module in Ubuntu, run To enable module, run You can see the PHP module with command

xfs

xfs

xfs is default file system for RHEL 7. To format a partition in xfs format, run Example Failed to mount

Tripwire

Tripwire

Tripwire is a data integrity tool for monitoring and alerting file and directory changes. https://github.com/Tripwire/tripwire-open-source To install, run Generate keys

DNS Resolver

DNS Resolver

CloudFlare announced privacy-first consumer DNS service. IP of CloudFlare public DNS servers are So far i was using Google Public