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PDF tools on Linux Most if not all Linux distributions provide PDF viewers and tools that allow saving documents as PDF files, but not necessarily PDF editors. In addition, Foxit PDF Reader is free and available for Linux. The variety of tools available for use on Linux systems as well as others is quite impressive.
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 provides a useful array of commands for managing file permissions, getting information on commands, displaying running processes and displaying details on the system itself. Without this, it will likely just respond with “Linux”. Without this, it will likely just respond with “Linux”.
One of the leading options was to join the Linux Foundation, but that didnt happen. Now, OpenStack and the OpenInfra Foundation are moving to the Linux Foundation. The Linux Foundation has emerged over the last 20 years to be the preeminent open-source organization for commercially viable technologies.
User groups on Linux systems are often set up to provide access permissions to specific groups of users who share some responsibility. sudo groupdel techs Wrap-up Setting up and managing groups on Linux systems can help when you need to assign specific privileges to particular groups of people.
There are many ways to evaluate disk space usage on Linux, and this post examines a number of commands that allow you to view used and available disk space. Linux filesystem Disk /dev/zram0: 3.7 By default, the command reports disk usage in kilobytes. # df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 4.0M 0% /dev tmpfs 1.9G
There are many types of files on Linux systems and numerous ways to look at them, from listing permissions to viewing content. Permissions and ownership Listing files on Linux with the ls -l command provides information on the file’s owner and associated group. You just need to pick the right command to get the information you need.
Getting started on the Linux command line might seem overwhelming at first, but the many commands you need to use will fall into place more quickly than you might imagine. First, when you open a command terminal or log into a remote Linux server, you will be sitting at the command prompt. Linux systems tend to be fussy about passwords.
Red Hat is out this week with the latest milestone update of its flagship Linux platform. Red Hat Enterprise Linux 9.5 Red Hat Enterprise Linux 9.x Red Hat Enterprise Linux 9.x Firewalld is a commonly used Linux firewall service while notables provides filtering and classification of network packets.
The Linux Foundations networking division (LF Networking) is helping to address that challenge with the L3AF project, which is based on eBPF (extended Berkeley Packet Filter ) technology. He explained that L3AF offers deep visibility into network infrastructure components that are usually hidden outside of the Linux kernel.
There are quite a few tools that can help test your connectivity on the Linux command line. ping statistics 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 2.867/4.361/5.859/1.221 ms On Linux systems, the pings will continue until you type^cto stop them. ping 192.168.0.11 ms ^C 192.168.0.11
The sed command on Linux can be used in quite a few different ways. This stream editor (as the name implies) provides options to help you manipulate text very efficiently. Once you become familiar with the sed command syntax, youll likely come to appreciate its functionality and use it quite often.
There are a number of commands on Linux that you can use to manage user accounts and monitor user activity. This post provides details on the commands that you need to know if you are managing a Linux server and the user accounts on that system. ls -l /usr/sbin/useradd /usr/sbin/adduser lrwxrwxrwx.
Some Linux commands can make your time on the command line easier and more productive. This post covers some commands that can come in very handy. Using the tldr command to simplify man pages The tldr command displays simplified man pages, providing practical examples of how to use a command and its options.
Red Hat today announced the Linux math library (libm.so While it may not be obvious to all of us, Linux is playing an increasingly important role in the automotive industry. In fact, even the car you’re driving today could be using Linux in some capacity. Open source places a huge role in the automotive use of Linux.
Open-source powerhouse Red Hat jumped into the generative AI space three months ago, announcing a new AI-focused vision for its Linux operating system at its annual summit. Today, that vision became a reality with the general availability of Red Hat Enterprise Linux AI.
This year was rough for all involved--even Linux and open source didn't come through unscathed. See what Jack Wallen considers to be the biggest issue for Linux in 2020.
Fail2ban should be on every one of your Linux servers. If you've yet to install it on either Rocky Linux or AlmaLinux, Jack Wallen is here to help you out with that.
The post New Alchimist attack framework hits Windows, Linux and Mac appeared first on TechRepublic. The attack framework of probable Chinese origin used by cybercriminals has been discovered.
A new Linux version of Royal ransomware is targeting VMware ESXi virtual machines. The post Royal ransomware spreads to Linux and VMware ESXi appeared first on TechRepublic. Learn more about this security threat and how to protect from it.
New Linux admins need to know how to give and take sudo privileges from users. Jack Wallen shows you how on both Ubuntu- and Red Hat-based Linux distributions.
IBM continued to reshape the mainframe with an eye toward further integrating it within hybrid clouds and securing Linux -based workloads. On the hardware side, IBM rolled out two entry-level, 19” single-frame, air-cooled platforms, the z15 Model T02 and LinuxONE III Model LT2.
If you're not sure how to view your SSH certificates, this article walks you through the steps on Linux, macOS and Windows. The post How to View Your SSH Keys in Linux, macOS and Windows appeared first on TechRepublic.
Picking just 10 Linux open source security tools isn’t easy, especially when network professionals and security experts have dozens if not several hundred tools available to them. There are different sets of tools for just about every task—network tunneling, sniffing, scanning, mapping. To read this article in full, please click here
Open source and Linux platform vendor SUSE is looking to help organizations solve some of the complexity and challenges of edge computing with the company’s SUSE Edge 3.1 SUSE Edge integrates SUSE Linux Micro, which is an optimized Linux distribution for smaller deployments based on the company’s flagship SUSE Linux Enterprise (SLE).
I spent more than 30 years managing Linux servers. Rule 1: Never do anything you can’t back out of Always be fully aware of the impact of the changes you are making on a Linux system, and know how to back out the changes if something goes wrong. Pursue other interests. Stay happy.
Jack Wallen explains why he's not worried that the rise in popularity of the Linux operating system will mean your open source platforms will be vulnerable to attacks.
There are quite a few ways to extract words and substrings from lines of text on a Linux system, replace them with other strings, select delimiters, and even get rid of white space at the beginning and end of lines. set -- 01234567890abcdef $ echo $1 01234567890abcdef Wrap-up Linux provides many commands to help you manipulate text.
Linux is a powerful and customizable operating system that has been the backbone of many businesses for decades. This policy from TechRepublic Premium provides guidelines for securing Linux on company computers and computers used to conduct company business. From the policy: DEVELOP TEMPLATES BASED ON.
With Webmin, you can better secure and manage your instances of Rocky Linux. Jack Wallen walks you through the process of getting this web-based tool up and running.
Learn how to protect your Linux server from the fork bomb denial-of-service attack with this video tutorial by Jack Wallen. The post How to prevent fork bombs on your Linux development servers appeared first on TechRepublic.
Deploying password-quality checking on your Debian-based Linux servers can help ensure that your users assign reasonably secure passwords to their accounts, but the settings themselves can be a bit misleading.
The $499 course provides a foundation in computer network fundamentals in 31 hours of instruction and teaches individuals to set up and support networks, troubleshoot issues, and manage Linux and Windows systems, according to CompTIA.
"Spinning YARN" cyberattackers wielding a Linux webshell are positioning for broader cloud compromise by exploiting common misconfigurations and a known Atlassian Confluence bug.
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