In a previous article, I talked about vim macro basics. In that article, I described how to record a custom macro, assign it to a key and then use it to make automated edits to a BIND zone. I also teased that I would cover more advanced uses of macros, like nested macros, in a future issue. more>> […]
Most of us longtime system administrators get a little nervous when people start talking about DevOps. It's an IT topic surrounded by a lot of mystery and confusion, much like the term "Cloud Computing" was a few years back. Thankfully, DevOps isn't something sysadmins need to fear. more>> […]
Elon Musk is known to be particularly apprehensive about artificial intelligence. Although many of us are both excited and worried about the potential future of AI, most don't need to fear computers taking over in the creative realms of society. Or do we? more>>
Drupal is a very widely used open-source content management system. It initially was released in 2001, and recent statistics show Drupal as the third-most popular content management system, with just less than 800,000 Web sites utilizing Drupal as a content management system. more>>
For any object moving through a fluid, forces are applied to the object as the fluid moves around it. A fluid can be something like water, or even something like the air around us. When the object is specifically designed to maximize the forces that the fluid can apply, you can designate these designs as airfoils. A more common name that most people would us […]
Recently there was some discussion about ways to ease the tired backs of kernel maintainers. Apparently the merge windows are times of great labor, and some folks wanted to alert contributors to some preferable code submission habits. more>>
On 19th March 2015, multiple high and moderate severity level vulnerabilities released in OpenSSL, a Secure Sockets Layer toolkit used in a Linux and Unix-like systems. How can I fix these vulnerabilities on a CentOS/RHEL/Ubuntu and Debian Linux based server? How do I verify that my Linux server has been fixed against the OpenSSL vulnerability?Read answer to […]
How can I mount remote directory with ssh on a Linux bases system? How do I use SSHFS to mount remote file systems over SSH on a Ubuntu or Debian/RHEL/CentOS/Arch Linux system?Read answer to: "How To Mount Remote Directory With SSHFS on a Linux"
I'm a new FreeBSD Unix system user. How can I find out the process/programs names listing on a certain port on a FreeBSD Unix systems using command line? How do I lookup the process which is currently bound to the given network port on a FreeBSD server?Read answer to: "FreeBSD Unix Find Out Which Programs Are Listing On a Given Port Number" […]
How can I modify partition labels on a Linux operating systems? How to change disk name on the ext4 file system on a Ubuntu Linux using command line?Read answer to: "Linux Change Disk Label Name on EXT2 / EXT3 / EXT4 File Systems"
My OpenSSH server listing on TCP port number 2222. How can I use ssh-copy-id with an sshd server with listing on a different port on a Linux or Unix-like systems?Read answer to: "Use ssh-copy-id with an OpenSSH Server Listening On a Different Port"
There are certain files in Ubuntu Linux (or Unix-like systems) that only root user access or edit. How can I edit and/or open files that requires admin (root) access on a Ubuntu Linux?Read answer to: "Ubuntu Linux: Edit and Open Files That Require Administrator Privileges"
I'm a new Ubuntu 12.04/14.04 server user. How do I install and use memcached on an Ubuntu Linux 14.04 LTS server? How can I my apps written in PHP or Python can use memcached on an Ubuntu LTS server?Read answer to: "Ubuntu Linux 12.04/14.04 LTS Install Memcached Server For Python and PHP Apps"
I work from a small office/home office and I need to set up an IPSec site-to-site VPN between a Cisco/OpeNBSD IPSec-enabled gateway and firewall running PFSense. How do I configure the VPN tunnel so that I can access remote subnet and servers behiend a Cisco firewall/router securely? How do I setup a tunnel mode configuration which will provide you with an e […]
I recently switched from MS-Windows server to a FreeBSD Unix server. How can I see list of mounted file systems on a FreeBSD based Unix server using command line options?Read answer to: "FreeBSD Unix Show Mounted File Systems"
I'm a new Ubuntu Linux user. In Linux, Apple OS X or Unix-like systems, how do I reissue or repeat a long command without retying it?Read answer to: "Bash: Reissue And Repeat A Long Command Without Retyping It on a Linux, OS X & Unix"