Posted by admin on March 24th, 2010
DenyHosts is a free opensource utility to secure your SuSE server or your openSUSE system from Brut-force attacks on the SSH server running on your system. DenyHosts works by updating the /etc/hosts.deny file on your SuSE or openSUSE system with the IP address of a host after a set number of failed login attempt from it.
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Posted in Security | 1 Comment »
Tags: brutforce, denyhosts, internet, linux, login attempts, opensource, opensuse, passwd, Security, ssh, suse
Posted by admin on March 23rd, 2010
As you may be aware, ‘AT’ allows you to run a command or script at a particular time (say at midnight) and ‘CRONTAB’ allows you to run commands and scripts at scheduled times and at regular intervals. If you have SuSE or an openSUSE system in a multi-user environment then it is important to control access to the crontab and at utility to ensure system availability and security. This is one of the many steps in the system hardening procedures.
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Posted in Security | 1 Comment »
Tags: crontab, hardening, opensuse, permission, Security, suse
Posted by admin on August 10th, 2009
I’ve compiled here a list of 1-click installs for various Nagios plugins and adddons. These are quite useful and some especially server monitoring applications like OpenQRM and sensors.
If you find anything that can be added to the list then please post a comment and I’ll add it to the list.
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Posted in Monitoring, nagios | 3 Comments »
Tags: addons, dig, dns, linux, nagios, nagiosql, ntp, opensource, opensuse, plugins
Posted by admin on August 10th, 2009
Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. Nagios is a powerful tool that provides you with instant awareness of your organization’s mission-critical IT infrastructure. Nagios allows you to detect and repair problems and mitigate future issues before they affect end-users and customers.
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Posted in Monitoring, nagios | 1 Comment »
Tags: ATI, dig, dns, linux, Monitoring, MySQL, nagios, openoffice, openqrm, opensuse, Package, PHP, plugins, rsync, Shell, ssh, suse, web, xen
Posted by admin on August 5th, 2009
iftop is yet another free opensource tool to measure bandwidth utilization on the network interfaces on your systems or servers. As the name predicts, iftop is what “top” utility is for CPU usage measurement.
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Posted in Monitoring, Networking | No Comments »
Tags: Bandwidth, dns, linux, mmonitoring, network, opensource, opensuse, ports, promiscous mode, services, solaris
