music (1) web (1) admin (4) utils (1) audit (2) database (3) storage (3) backup (2) cluster (2)

metche

Посылает отчеты о изменениях в конфигурации и програмном обесечении *nix систем. Отслеживает /etc, отдельно заданные файлы(changelog и т п) и версии пакетов. Удобна для группового администрирования.

Multi-Master Replication Manager for MySQL

mysql-mmm is a set of flexible scripts to perform monitoring/failover and management of MySQL master-master replication configurations (with only one node writable at any time).

The toolset also has the ability to read balance standard master/slave configurations with any number of slaves, so you can use it to move virtual IP addresses around a group of servers depending on whether they are behind in replication.

Apache JMeter

designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

Полезные плагины:
http://code.google.com/p/jmeter-plugins/

Fail2ban

Fail2ban scans log files like /var/log/pwdfail or /var/log/apache/error_log and bans IP that makes too many password failures. It updates firewall rules to reject the IP address.

XtraBackup

Percona XtraBackup is an open-source hot backup utility for MySQL that doesn't lock your database during the backup. It can back up data from InnoDB, XtraDB, and MyISAM tables on MySQL 5.0 and newer servers.

Pinba

Pinba is a realtime monitoring/statistics server for PHP using MySQL as a read-only interface.
It accumulates and processes data sent over UDP by multiple PHP processes and displays statistics in a nice human-readable form of simple "reports", also providing read-only interface to the raw data in order to make possible generation of more sophisticated reports and stats.

GlusterFS

GlusterFS is an open source, clustered file system capable of scaling to several petabytes and handling thousands of clients. GlusterFS can be flexibly combined with commodity physical, virtual, and cloud resources to deliver highly available and performant enterprise storage at a fraction of the cost of traditional solutions.

VMPK

Virtual MIDI Piano Keyboard is a MIDI events generator and receiver

Pacemaker

Open Source, High Availability resource manager suitable for both small and large clusters.

Percona Toolkit

Percona Toolkit is a collection of advanced command-line tools used by Percona support staff to perform a variety of MySQL and system tasks that are too difficult or complex to perform manually, including:

Verify master and replica data consistency
Efficiently archive rows
Find duplicate indexes
Summarize MySQL servers
Analyze queries from logs and tcpdump
Collect vital system information when problems occur