02 Jul 2014
3 minutes read
FB4 Most Important Sshd Configuration OptionsMost Important Sshd Configuration Options
SSH, or Secure SHell, allows the user of one computer on the network to connect to and use the shell of another over a …
Linux
02 Jul 2014
5 minutes read
FB4 Useful Options for Mount and UmountUseful Options for Mount and Umount
In UNIX and Linux operating systems everything resides in a tree like structure rooted at /, the root directory. This …
02 Jul 2014
3 minutes read
FB4 Using Nice and Renice to Change Process PriorityUsing Nice and Renice to Change Process Priority
Every process in UNIX runs with a particular priority assigned to it, which determines how much processing time should …
28 May 2014
2 minutes read
FB4 How To: Make IP Forwarding Permanent in LinuxHow To: Make IP Forwarding Permanent in Linux
While IP forwarding in Linux is disabled by default, as most people don’t need it, there may be various reasons …
27 Nov 2012
1 minutes read
FB4 Questionnaire for My Upcoming Linux Administration EbookQuestionnaire for My Upcoming Linux Administration Ebook
If you’re planning to acquire or expand Linux System Administration skills anytime soon, you may find my upcoming …
01 Aug 2012
1 minutes read
FB4 Are You a CentOS User? Will You Switch to Oracle Linux?Are You a CentOS User? Will You Switch to Oracle Linux?
Have recently found out that Oracle Linux is now completely free to get and to use, meaning that you’ll only have …
29 Apr 2012
6 minutes read
FB4 Using Dropbox With UnixUsing Dropbox With Unix
Although last week saw some pretty exciting developments in the cloud storage (Google Drive announcement and SkyDrive …
10 Mar 2011
3 minutes read
FB4 Upgrading Ubuntu With Do-Release-UpgradeUpgrading Ubuntu With Do-Release-Upgrade
There comes a time (a couple of times a year, actually) when you may want to upgrade your Ubuntu distro (read here for …
02 Dec 2009
3 minutes read
FB4 How to Disable IPv6 in Red Hat LinuxHow to Disable IPv6 in Red Hat Linux
Since it may be a while before I’m ready to use the IPv6 on my systems, I’ve been disabling IPv6 on most …
11 May 2009
2 minutes read
FB4 How to Confirm Disks Capacity in LinuxHow to Confirm Disks Capacity in Linux
show disk size in Unix is a very popular request visitors use to arrive at my Unix Tutorial pages. Since I never …
How to Resize Filesystem With Resize2fs
How To Resize Filesystem with resize2fs
Quick note on filesystem resize on a typical …
macOS Tahoe
macOS Tahoe is the upcoming major release of macOS …
Centralized Bash history with timestamps
BASH is my Linux shell of choice (it’s zsh on …
Inspect filesystem operations with fs_usage in macOS
hey Unless you disable SIP, most of DTrace based …
How-To: Upgrade Ubuntu 23.04 to 24.10
I reliased one of my Raspberry Pi systems was …
macOS Sequoia 15.0
Apple keeps shipping public betas of macOS Sequoia …
Video: Has This Worked Before?
Another video on my YouTube channel …