These Bizarre Wormlike Creatures Eat Rock, Poop Sand, And May Even Redesign Rivers Most clams are happy to make their burrow in a nice, soft bed of sand or mud. Not this mollusc. A recently uncovered relative of the shipworm puts the hard into hardcore, chewing holes into rocks and excreting the debris as sand.
Here’s our list of best Kali Linux tools that will allow you to assess the security of web-servers and help in performing hacking and pen-testing. If you read the Kali Linux review, you know why it is considered one of the best Linux distributions for hacking and pen-testing and rightly so. It comes baked in
MySQL is a widely used open source relational database management system (RDMS) owned by Oracle. It has over the years been the default choice for web-based applications and still remains popular in comparison to other database engines. Read Also: How to Install Latest MySQL on RHEL/CentOS and Fedora MySQL was designed and optimized for web
Cron is one of the most useful utility that you can find in any Unix-like operating system. It is used to schedule commands at a specific time. These scheduled commands or tasks are known as “Cron Jobs”. Cron is generally used for running scheduled backups, monitoring disk space, deleting files (for example log files) periodically
Brief: Learn to use basic SQL commands in the open source database management system MySQL. MySQL is the most commonly used relational database manager. Its ease of use and open source license have greatly contributed to this popularity. Last week, I covered installing and configuring MySQL in Ubuntu. In this article I’ll be presenting to
When managing a network, you will undoubtedly need to deal with subnetting. Some network administrators are able to do the binary math quite quickly in their head, to determine the subnet mask. However, others may need some help and this is where the ipcalc tool comes in handy. Read Also: A Linux Sysadmin’s Guide to
Tar files are compressed archives. You’ll encounter them frequently while using a Linux distribution like Ubuntu or even while using the terminal on macOS. Here’s how to extract—or untar—the contents of a tar file, also known as a tarball. What Does .tar.gz and .tar.bz2 Mean? Files that have a .tar.gz or a .tar.bz2 extension are
The df and du commands report on disk space usage from within the Bash shell used on Linux, macOS, and many other Unix-like operating systems. These commands let you easily identify what’s using up your system’s storage. Viewing the Total, Available and Used Disk Space Bash contains two useful commands related to disk space. To
ffmpeg is a CLI (command line based) utility for processing media files. It is a framework with a multitude of features and, because of it’s open source license, it is the base for many widespread apps such as VLC, YouTube, iTunes and many more. A number of Linux video editors use ffmpeg underneath the GUI.
In this article, we will explain how to find out who is using a particular file in Linux. This will help you know the system user or process that is using an open file. We can use the lsof command to know if someone is using a file, and if they are, who. It reads