Viewing posts tagged linux

Detecting malware in Linux shared environments

It is very common these days, when a vulnerable website gets exploited and used for malicious activities by attackers. Especially when having a "shared hosting" environment you may get used to discovering a new kind of malware on a daily basis. Here I'm going to present one of these tools, which is worth using in that malware hunting.

libvirt and IPv6 net block - attaching ip6 addresses among the virtual machines

When renting a dedicated server usually we get the whole net block of ipv6 addressess in a "package", along with just one or few IPv4 routable address. Having ipv6'es is nice and would be even better to make use of these, especially when IPv6 should not electricize anyone these days. In this post I''ll present a case, how to get workin' ip6 network on a guest virtual machine, which configuration is handled by libvirt(d), using the native v6 address from our rented net block.

Custom kernel compilation for Odroid U2/U3 on a host running Fedora Linux

The default precompiled kernel available for Odroid U2/U3, which comes from Hardkernel's 3.8.y tree, might not include some of the important, to us, features. Of course Hardkernel's sources are Open Sourced, which means you are free to go with its customization.

Attaching to a running Docker's container

During the Dockerfile's development, and later it's deployment, the need for debugging might arise. Sometimes it would be nice to have a possibility to attach to a newly deployed, running container, to do the troubleshooting, in case if something inside of a container happened unexpected. 

S.M.A.R.T. disk poller - hdd monitoring using Zabbix

This post will be based on the official Zabbix's wiki entry. However, I'm gonna take another approach here, which is to not use the sudo command by the Zabbix.