Tag Archives: security

What is: chroot – system call and utility in Linux
0 (0)

23 March 2019

chroot() was added to the Version 7 Unix in 1979 and used for filesystem isolation. In fact, it’s the predecessor of the whole current containerization idea, just now there are namespaces and cgroups are used while earlier chroot was used to create an environment which is isolated from a host and can be used for… Read More: What is: chroot – system call and utility in Linux0… »

Loading

Monit: email alerting on an SSH logins
0 (0)

18 March 2019

The task is to send an email alert when SSH-login was made from a not whitelisted IPs. Will use Monit here. Install it: [simterm] root@jenkins-dev:/home/admin# apt update && apt -y install monit [/simterm] Configure email settings: set localhost (we have a local eximhere), email’s format and email’s receiver. Edit the /etc/monit/monitrc file: … set mailserver localhost… Read More: Monit: email alerting on an SSH logins0 (0) »

Loading

OpenVPN: OpenVPN Access Server set up and AWS VPC peering configuration
0 (0)

21 February 2019

OpenVPN Access Server is ready to use OpenVPN server which requires minimal configuration. The free version allows you to have two clients. If you need more – you can buy additional licenses. Infrastructure description Currently to access our resources such as Jenkins, Nexus etc we are using Allow Rules in AWS Security Groups where each user… Read More: OpenVPN: OpenVPN Access Server set up and AWS VPC peering… »

Loading