'System Administrator' Category

  • Mysql

    April 13, 2014
    MySQL is a database wich support master/slave replication system. Lock the database to run a command: FLUSH TABLES WITH READ LOCK; SYSTEM sh -c ‘backup.sh’; UNLOCK TABLES; Pros: The master/slave replication is mature and powerfull Innodb provide good performance on big tables Cons: Can’t find any for my use
  • Squid Proxy Cache / Load Balancer

    April 13, 2014
    Squid is a proxy cache that I use for hight availability and load balacing web sites. Pros: Can handle any case Good performance Cons: The documentation is not friendly
  • Puppet

    April 13, 2014
    Puppet offer to sysadmin to centralize the instalation and the configuration of their servers. One puppet master keep the configuration of all servers. Each server is a client which execute the code from the master. Puppet can create automaticly different type of resources. Puppet create resources not in order, it’s important to understand how to deal […]