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Mandriva

Server Monitoring With munin And monit On Mandriva 2008.0

Post date: February 26, 2008, 11:02 Category: Installing Views: 3722 Comments
Tutorial quote: In this article I will describe how you can monitor your Mandriva 2008.0 server with munin and monit. munin produces nifty little graphics about nearly every aspect of your server (load average, memory usage, CPU usage, MySQL throughput, eth0 traffic, etc.) without much configuration, whereas monit checks the availability of services like Apache, MySQL, Postfix and takes the appropriate action such as a restart if it finds a service is not behaving as expected. The combination of the two gives you full monitoring: graphic that lets you recognize current or upcoming problems, and a watchdog that ensures the availability of the monitored services.
Debian

Nagios and Oreon (Nagios web front end) installation and Configuration

Post date: July 18, 2006, 17:07 Category: Software Views: 3756 Comments
Tutorial quote: Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well. The monitoring daemon runs intermittent checks on hosts and services you specify using external "plugins" which return status information to Nagios. When problems are encountered, the daemon can send notifications out to administrative contacts in a variety of different ways (email, instant message, SMS, etc.).

Linux

Flexnet License Monitoring With rrdtool

Post date: July 15, 2010, 11:07 Category: Miscellaneous Views: 6461 Comments
Tutorial quote: Some of you may know the commercial Flexnet Licencing Application (İMacrovision). It's a client-server based solution for managing the usage of socalled Flexnet-enabled applications. You can hold licenses of more than one product on one license-server. As you typically have to buy licenses and licenses can be expensive it would be nice to have a monitoring solution to see the utilization of the precious licenses, whether they are underutilized (so money is wasted) or are always fully utilized (so that you can suspect that sometimes people cannot do their work, or only delayed) which is also a waste of resources. As far as I know there are commercial applications for performing such reports, but again you have to spend money. Why not build a simple system yourself, which shows the actual and past usage in an "MRTG style"?
RedHat

Getting started with RHEL4's built-in LVM tools

Post date: June 3, 2005, 16:06 Category: System Views: 6590 Comments
Tutorial quote: Many Unix administrators I know (you know who you are), always used to smirk when I talked about Linux. They could always point to the fact that regardless of whatever I could say, they had journaling file systems, which they could manage using various Logical Volume Management (LVM) tools, and I couldn't touch that.

Well, not any more! Not only does Red Hat offer ext3 as their default file system, but they offer great management tools to boot. As we know, ext2 had a great lifespan, but it was not an enterprise-ready file system that could handle large disk partitions, fast recovery from systems crashes, or large amounts of files. Journaling file systems give you the ability to recover almost instantly from a crash, as you do not need to run fsck after a restart. Similar to how databases recover from crashes, a journaling file system tracks changes to file system metadata and pretty much guarantees that either all or no updates have completed. Of course, these file systems also need elaborate tools to help better configure and manage them accordingly.
Mandriva

Server Monitoring With munin And monit On Mandriva 2010.0

Post date: April 11, 2010, 12:04 Category: Installing Views: 4863 Comments
Tutorial quote: In this article I will describe how you can monitor your Mandriva 2010.0 server with munin and monit. munin produces nifty little graphics about nearly every aspect of your server (load average, memory usage, CPU usage, MySQL throughput, eth0 traffic, etc.) without much configuration, whereas monit checks the availability of services like Apache, MySQL, Postfix and takes the appropriate action such as a restart if it finds a service is not behaving as expected. The combination of the two gives you full monitoring: graphics that lets you recognize current or upcoming problems, and a watchdog that ensures the availability of the monitored services.
Ubuntu

Intrusion Detection: Snort, Base, MySQL, and Apache2 On Ubuntu 7.10 (Gutsy Gibbon)

Post date: November 21, 2007, 10:11 Category: Security Views: 5396 Comments
Tutorial quote: In this tutorial I will describe how to install and configure Snort (an intrusion detection system (IDS)) from source, BASE (Basic Analysis and Security Engine), MySQL, and Apache2 on Ubuntu 7.10 (Gutsy Gibbon). Snort will assist you in monitoring your network and alert you about possible threats. Snort will output its log files to a MySQL database which BASE will use to display a graphical interface in a web browser.
OpenSUSE

Conky - Lightweight system monitor in openSUSE

Post date: May 11, 2009, 22:05 Category: System Views: 6172 Comments
Tutorial quote: Conky is a free, light-weight system monitor for X, that displays any information on your desktop. Conky is licensed under the GPL and runs on Linux and BSD. Conky has more than 250 built in objects, including support for a plethora of OS stats (uname, uptime, CPU usage, mem usage, disk usage, “top” like process stats, and network monitoring, built in support for IMAP and POP3 and many popular music players (MPD, XMMS2, BMPx, Audacious).
Debian

Burning or Writing DVDs Under Debian

Post date: May 18, 2006, 20:05 Category: Software Views: 2824 Comments
Tutorial quote: If you want to burn DVD's in debian you need to install the "dvd+rw-tools" package.

dvd+rw-tools makes it possible to burn DVD images created by dvdauthor or mkisofs to DVD+R, DVD+RW, DVD-R, and DVD-RW disks, replacing cdrecord-proDVD in many cases.
OpenSUSE

ntop in openSUSE to probe & monitor Network Traffic

Post date: April 10, 2009, 07:04 Category: Network Views: 6650 Comments
Tutorial quote: ntop is a free opensource network traffic probe that shows the network usage. ntop is based on libpcap and can run on Linux/Unix and Windows operating system. ntop provides a very easy to use a web access to navigate through ntop traffic information and get a dump of the network status.
Debian

Server Monitoring With munin And monit On Debian Etch

Post date: May 13, 2007, 21:05 Category: System Views: 4357 Comments
Tutorial quote: In this article I will describe how you can monitor your Debian Etch server with munin and monit. munin produces nifty little graphics about nearly every aspect of your server (load average, memory usage, CPU usage, MySQL throughput, eth0 traffic, etc.) without much configuration, whereas monit checks the availability of services like Apache, MySQL, Postfix and takes the appropriate action such as a restart if it finds a service is not behaving as expected. The combination of the two gives you full monitoring: graphics that let you recognize current or upcoming problems (like "We need a bigger server soon, our load average is increasing rapidly."), and a watchdog that ensures the availability of the monitored services.
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