Amazon AWS create key pair using awscli
To create key pair in Amazon AWS using command line, run aws ec2 create-key-pair –key-name NAME_OF_KEY This will display your SSK private…
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VestaCP Zero-day exploit
On 07 April 2018, many servers using VestaCP got hacked. Hacker was able to get root acceess on these servers. Hacker installed…
Create user in PostgreSQL
Method 1 To create user, become user “postgres” with su – postgres now run createuser USER_NAME Method 2 You can run following…
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 cat /etc/*release Example # cat /etc/*release…
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, the latest…
Getting Started with MongoDB
After MongoDB is installed, you can start MongoDB client with command. mongo List All Databases To see list of all available database,…
Install MongoDB in Ubuntu
To install MongoDB in Ubuntu/Debian, run apt install mongodb Configuration file for MongoDB is /etc/mongodb.conf To see status of MongoDB, run systemctl…
Zimbra Generate DKIM Key
To generate DKIM key in Zimbra Mail server, login as user zimbra Now run Example Retrieve the DKIM Key Use the following…
Install MATE Desktop in Ubuntu
Add PPA repo with command apt-add-repository ppa:ubuntu-mate-dev/xenial-mate To install MATE run apt-get update apt-get install mate This install was done on remote…
Install GeoIP PHP Module in Ubuntu
To install GeoIP php module in Ubuntu, run apt install php-geoip To enable module, run phpenmod geoip You can see the PHP…
xfs
xfs is default file system for RHEL 7. To format a partition in xfs format, run mkfs.xfs /dev/sdXX Example [root@ssd ~]# mkfs.xfs…
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 yum install tripwire Generate…