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Miscellaneous related tutorials

OpenSUSE

How To Upgrade OpenSUSE 11.2 To 11.3 (Desktop & Server)

Post date: August 9, 2010, 12:08 Category: Miscellaneous Views: 3025 Comments
Tutorial quote: This guide shows how you can upgrade your OpenSUSE 11.2 desktop and server installations to OpenSUSE 11.3.
Linux

Flexnet License Monitoring With rrdtool

Post date: July 15, 2010, 11:07 Category: Miscellaneous Views: 5807 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"?
Debian

Generating Web Site Statistics With AWStats & JAWStats On Debian Lenny

Post date: June 27, 2010, 20:06 Category: Miscellaneous Views: 4852 Comments
Tutorial quote: This tutorial explains how you can generate statistics for your web site with AWStats and JAWStats on a Debian Lenny web server. AWStats is a free powerful and featureful tool that generates advanced web server statistics. JAWStats runs in conjunction with AWStats and produces clear and informative charts, graphs and tables about your website visitors. AWStats is able to create graphical web pages for the statistics, but JAWStats presents this data in a much nicer way - it's much better organized and makes use of Ajax and Flash.
Ubuntu

How To Set Up Software RAID1 On A Running LVM System (Ubuntu 10.04)

Post date: June 24, 2010, 10:06 Category: Miscellaneous Views: 2496 Comments
Tutorial quote: This guide explains how to set up software RAID1 on an already running LVM system (Ubuntu 10.04). The GRUB2 bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails (no matter which one).
Debian

Disk Backup With Amanda On Debian Lenny

Post date: June 17, 2010, 12:06 Category: Miscellaneous Views: 3066 Comments
Tutorial quote: Amanda is an open source client/server solution to back up filesystems. Backups are triggered by the backup server, backup definitions are located on the servers but exclusion lists are located on the client.
Debian

Postfix Monitoring With Mailgraph And pflogsumm On Debian Lenny

Post date: June 15, 2010, 11:06 Category: Miscellaneous Views: 2628 Comments
Tutorial quote: This article describes how you can monitor your Postfix mailserver with the tools Mailgraph and pflogsumm. Mailgraph creates daily, weekly, monthly, and yearly graphs of sent, received, bounced, and rejected emails and also of spam and viruses, if SpamAssassin and ClamAV are integrated into Postfix (e.g. using amavisd-new). These graphs can be accessed with a browser, whereas pflogsumm ("Postfix Log Entry Summarizer") can be used to send reports of Postfix activity per email.
Ubuntu

How To Upgrade Ubuntu 9.10 To 10.04 (Desktop & Server)

Post date: April 30, 2010, 13:04 Category: Miscellaneous Views: 3187 Comments
Tutorial quote: Yesterday the new Ubuntu 10.04 (Lucid Lynx) was released. This guide shows how you can upgrade your Ubuntu 9.10 desktop and server installations to Ubuntu 10.04.
Debian

Server Monitoring With munin And monit On Debian Lenny

Post date: February 28, 2010, 13:02 Category: Miscellaneous Views: 3732 Comments
Tutorial quote: In this article I will describe how you can monitor your Debian Lenny 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 (like "We need a bigger server soon, our load average is increasing rapidly."), and a watchdog that ensures the availability of the monitored services.
Ubuntu

Creating MySQL Backups With AutoMySQLBackup On Ubuntu 9.10

Post date: February 19, 2010, 11:02 Category: Miscellaneous Views: 2976 Comments
Tutorial quote: AutoMySQLBackup is a shell script that lets you take daily, weekly and monthly backups of your MySQL databases using mysqldump. It can back up multiple databases, compress the backups, back up remote databases, and email the logs. This tutorial explains how to install and use it on an Ubuntu 9.10 server.
CentOS

How To Set Up MySQL Database Replication With SSL Encryption On CentOS 5.4

Post date: February 18, 2010, 13:02 Category: Miscellaneous Views: 4366 Comments
Tutorial quote: This tutorial describes how to set up database replication in MySQL using an SSL connection for encryption (to make it impossible for hackers to sniff out passwords and data transferred between the master and slave). MySQL replication allows you to have an exact copy of a database from a master server on another server (slave), and all updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync. This is not a backup policy because an accidentally issued DELETE command will also be carried out on the slave; but replication can help protect against hardware failures.
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