These are my links for 19 lug 2012 through 20 lug 2012:
Mail server statistics – The statistics are based on completely anonymous information and were performed using randomly chosen IP addresses. When connecting to a mail server defined as an MX in the domain configuration, it can reply in a different number of ways. It may not be online, or may be refusing connections. Also, it is possible that the server does not respond back with a "220" line within the period of time we wait, nor provide a banner that identifies the type of the software running on it, at all times.
Most systems admin is used to setting up the primary mail server, but many of them (like me) are not used to setup a backup mail server in a regular basis. This is my attempt to create a complete document on setting up a backup mail server and testing it for the dooms day. [...]
Altering LVM Configuration When a Disk is Not in ODM Anymore – blog’o thnet – If you remove a disk from the system using rmdev -dl hdiskX without having previously reduced the volume group to remove the disk from LVM, and thus have not updated properly the on-disk format information (called VGDA), you get a discrepancy between the ODM and the LVM configurations. Here is how to solve the issue (without any warranty though!).
These are my links for 10 giu 2012 through 15 giu 2012:
Backup automatizzato dei database su SQL Express – SQL Server Express viene distribuito senza SQL Agent, quindi non è possibile schedulare internamente a SQL Server processi automatizzati, come ad esempio il backup. E’ però possibile aggirare questo ostacolo creando uno script ad-hoc, che si occupi dei vari job che vogliamo eseguire.
PacketFence: Open Source NAC (Network Access Control) – PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) solution. Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, powerful guest management options, 802.1X support, layer-2 isolation of problematic devices; PacketFence can be used to effectively secure networks small to very large heterogeneous networks.
teambox/teambox · GitHub – Open-source project collaboration software, available online for free. Inspired by Basecamp, Yammer, Twitter.
Git Client – SmartGit – SmartGit is a graphical client for the Open Source version control systems Git, Mercurial and SVN. It runs on Windows, Mac OS X and Linux.
SmartGit helps Git and Mercurial beginners to get started quickly and lets advanced users become more productive with its efficient user interface.