I use iptables by many years and used it also for complex solutions and only recently i’ve discovered ufw (Uncomplicated Firewall), the ubuntu version, or better developed to ease iptables firewall configuration, ufw provides a user friendly way to create an IPv4 or IPv6 host-based firewall. By default UFW is disabled.
Linus Torvalds has announced to the world that the next Kernel release will be the 3.0: From Linus Torvalds <> Date Sun, 29 May 2011 18:30:32 -0700 Subject Linux 3.0-rc1 Yay! Let the bikeshed painting discussions about version numbering begin (or at least re-start). I decided to just bite the bullet, and call the next [...]
Or perhaps i should call this “Do you remember i was upgrading to Ubuntu 11.04 ?”. Well something is gone bad and when i rebooted to start my new Xubuntu 11.04 i got: error: cannot read the Linux header. error: you need to load the kernel first. Failed to boot both default and fallback entries. [...]
In a former article we saw something about Inotify. inotify is a Linux kernel subsystem that acts to extend filesystems to notice changes to the filesystem, and report those changes to applications. It replaces an earlier facility, dnotify, which had similar goals. Last time I focused on the functionality of inotifywait command which can be [...]
Sometimes happen that your desktop freeze and you cannot do anything, so the only choice is to unplug the power cord ? No, Linux has the magic SysRq key that can sync your disk and issue a reboot of your system…and many more things. What is the magic SysRq key? It is a ‘magical’ key [...]