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CompTIA courts IT newcomers with ‘on-ramp’ network, security courses

Network World

CompTIA a+ Network and CompTIA a+ Cyber courses will provide individuals with the foundational knowledge to start a tech career in networking and security, according to IT certification and training body CompTIA. Priced at $499, the course includes some 31 hours of instruction and covers the skills to secure devices and home networks.

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Linux Foundation Networking shares new AI projects, milestone releases

Network World

The Linux Foundations networking division (LF Networking) is continuing to grow both its mandate and project roster in 2025. LF also has a wide variety of e-learning courses for cloud-native and Kubernetes, and we have seen quite a steep response to these for upskilling within the community.

Linux 419
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5 Linux commands for measuring disk activity

Network World

Linux provides quite a few useful commands for gauging disk activity. The dstat command provides valuable insights into overall Linux system performance, pretty much replacing a collection of older tools, such as vmstat, netstat, iostat, and ifstat, with a flexible and powerful command that combines their features. iostat Linux 6.8.9-100.fc38.x86_64

Linux 368
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10 ways to use the sed command on Linux

Network World

The sed command on Linux can be used in quite a few different ways. echo "I want to join the meeting" | sed 's/want/do not want/' I do not want to join the meeting Of course, commands like this make more sense when youre working with text in a file. Note the sed command changes want to do not want.

Linux 259
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Red Hat’s AI portfolio evolves to address enterprise deployment challenges

Network World

Red Hat announced updates to Red Hat OpenShift AI and Red Hat Enterprise Linux AI (RHEL AI), with a goal of addressing the high costs and technical complexity of scaling AI beyond pilot projects into full deployment. In addition, Red Hat is now offering new free online training courses for its customers.

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Want to be an ethical hacker? Take these cybersecurity courses

Tech Republic Security

In these 18 online training courses on ethical hacking, cybersecurity pros will teach you about creating projects with Python, bug bounty hunting, Kali Linux hacker tools and much more.

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How to get rid of unneeded files on Linux

Network World

The rm (remove) command is the most obvious way to remove files that you no longer need on your Linux system, and it includes some very useful options. The rm command The rm command simply removes a file and is one of the basic commands that just about every Linux user needs on a routine basis. There are complications, however.

Linux 370