Data Rescue LifebuoyFeb 24, 2014
Armed only with standard Linux tools, users can recover files, resurrect partitions, and rescue damaged media.more »
Consolidating Logs with Logstash Collect and Analyze System Data from a Single InterfaceJun 18, 2013
When something goes wrong on a system, the logfile is the first place to look for troubleshooting clues. Logstash, a log server with built-in analysis tools, consolidates logs from many servers and even makes the data searchable.more »
Resetting Passwords with SystemRescueCd Resetting passwords with a Live Linux systemJun 21, 2012
If you’re locked out of your Linux or Windows system, a handy Live Linux troubleshooting distro might be all you need to get back in. We’ll show you how to pick the lock with SystemRescueCd.more »
UEFI and Secure Boot No Free BootsJun 20, 2012
The imminent Windows 8 implementation of UEFI with Secure Boot adds an extra layer of complexity for some Linux users. We look at the problem and two solutions from Fedora and Canonical.more »
Even tried and trusted configurations that have proved their value through the years can be tripped up by special cases – for example, all of your users logging in with the same IP address. Experienced administrators and Bash aficionados will then enable debugging and launch a systematic search for configuration errors.more »
Qemu and the Kernel DebuggerFeb 23, 2012
Debugging the kernel of a running operating system has always been tricky, but now the Qemu emulator supports cross-platform kernel and module debugging at the programming language level.more »
Debugging for Admins Problem-solving best practices for sys adminsFeb 21, 2012
Whether you’re the sys admin of a home network or of a company-wide network of dozens or even hundreds of machines, some basic principles of debugging will come in handy.more »
TestDisk and its cousin PhotoRec will help you recover the data you thought you’d lost.more »
Carnegie Mellon researchers say 3 million pages could fall down the phishing hole in the next year.
The US government rolls new best-practice rules for protecting SSH.
Klaus Knopper announces the latest version of his iconic Live Linux system.
All websites that use these popular CMS tools could be vulnerable to denial of service attacks if users don't install the updates.
According to a report, many potential victims of the Heartbleed attack have patched their systems, but few have cleaned up the crime scene to protect themselves from the effects of a previous intrusion.
DARPA and NICTA release the code for the ultra-secure microkernel system used in aerial drones.
Should you trust an online service to store your online passwords?
New B+ board lets you build cool things without the complication of a powered USB hub.
Redmond rushes in to root out alleged malware haven.
New initiative will bring futuristic virtual reality effects to the web surfing experience.