Language Selection

English French German Italian Portuguese Spanish

Unix How-To: Give Me That Old-Time Security!

Filed under
Security
HowTos

Even in the wild frontiers of today's Internet, good basic Unix system security provides extremely valuable protection against security breaches. In today's column, I'm going to rant about some basic security rules of thumb that every Unix sysadmin ought to consider.

The first basic security rule is to keep your consoles safe. Lock them up, eliminate them by replacing them with console servers (recovering rack space at the same time), and make sure that only a very select group of people have access to them. What's more, access to your data centers should be limited to just those who need to lay hands on the servers. If anyone can walk in and out, you're asking for a headache.

Data centers should be equipped with UPS or, better still, a generator to keep them up through significant power outages. Wait, you ask, is power to the data center security? You bet it is! Anything that threatens the productivity of your staff and the smooth running of your business is a security concern. UPS systems can often be configured to send low battery signals to systems and initiate auto-shutdown options, further preventing hardware loss. Check your UPS systems and make use of this feature if it's supported. If your AC is not also on the UPS or generator, auto-shutdown of systems might prevent them from being damaged through overheating.

rest here




More in Tux Machines

It's Time to Upgrade to Fedora 24 Linux If You're Still Using Fedora 22

Fedora Program Manager Jan Kurik announced that the Fedora 22 Linux operating system has officially reached end of its life on July 19, 2016, urging users to upgrade to either the Fedora 23 or Fedora 24 releases. Read more

Running Windows apps on Linux

Now just to clear the air. I personally don't run Windows in a virtual machine or dual-boot. However, there are some games I play using WINE. If you're stuck trying to pull yourself away from legacy Windows applications take heart, there is hope. One of the options above may provide you with a means of using Linux for most daily tasks while still having access to any Windows applications you can't live without. What say you? Do you find yourself dual-booting or using WINE? Perhaps you didn't know that it's possible to run an unregistered copy of Windows 10 without any show-stopping restrictions? Hit the Comments and share your experience with Windows applications as a Linux user. Read more

ArchStrike Ethical Hacking Linux Operating System Gets Its First ISO Builds

The ArchStrike developers have announced today, July 25, 2016, that their Arch Linux-based operating system designed for ethical hackers now has official installation mediums as ISO images. Read more

GNU Linux-libre Kernel 4.7 Officially Released for Users Who Want 100% Freedom

Alexandre Oliva from the GNU Linux-libre project happily announced the release and general availability for download of the GNU Linux-libre 4.7 kernel for those who want 100% freedom when using a GNU/Linux operating system. The release of GNU Linux-libre kernel 4.7 comes a few hours after Linus Torvalds' announcement for the new Linux 4.7 kernel branch, on which GNU Linux-libre 4.7-gnu is based, and, as usual, it contains deblobbing changes for various of the included drivers, including Radeon, Intel i915 CSR, Intel Skylake audio, HFI1 InfiniBand, Realtek rtl8xxxu Wi-Fi, iwlwifi, mwifiex, Broadcom brcmfmac, and Atheros ath10k. Read more