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Showing posts from April, 2019

VMware: vSphere ESXi Notes

Keep playing with VMware vSphere ESXi . It is free to download and use in production environment with some limitations of course.

Powershell: Get-Service

Get-Service - Gets the services on a local or remote computer.

Python: Online IDE

List of free online IDEs to try out or practice Python anywhere, anytime.

Linux: Free Online Courses

Linux is eating the world. It is never late to learn Linux. Here are free Linux courses that you can learn at your own pace.

LPIC-1 Exam 102

6 topics to study and practice before taking LPIC-1 Exam 102

LPIC-1 Exam 101

4 topics to study and practice before taking LPIC-1 Exam 101

Rust: Free Online Courses

"Rust is a modern systems programming language focusing on safety, speed, and concurrency. It accomplishes these goals by being memory safe without using garbage collection."

Assembly on Linux with NASM

Practice Assembly on Linux with NASM - Netwide Assembler

Qubes OS: xentop

Qubes OS use Xen as hypervisor, so in dom0, instead of top , use xentop to display real-time information about a Xen system and domains

Microsoft Windows Server 2019 Core as Domain Controller

It is time to run AD DS, DNS, DHCP services on Microsoft Windows Server 2019 Core .

Free Fortinet Forticlient Endpoint Protection

Fortinet's FortiClient 6.0 is free and can run on Micorsoft Windows, Linux, Mac OSX, iOS, Android, Chromebook.

Write to Learn

Write to Learn and Learn to Write anywhere, anytime with GitBook.

Linux command: vmstat

vmstat - Report v irtual m emory stat istics

Linux command: sed

sed - s tream ed itor for filtering and transforming text

PlayStation 3 Super Slim: Notes

Notes while playing around with Sony PlayStation 3 Super Slim 5th generation.

Powershell Core - pwsh

PowerShell Core is a cross-platform (Windows, Linux, and macOS) automation and configuration tool/framework that works well with your existing tools and is optimized for dealing with structured data (e.g. JSON, CSV, XML, etc.), REST APIs, and object models.

Linux command: cut

cut - remove sections from each line of files

Red Hat

Why Red Hat name, you might ask? The company co-founder, Marc Ewing explains why the Linux company chose the name Red Hat in a ComputerWorld's article Ever wonder how Red Hat got its name? .

RHEL: yum install gnuplot

[tuyendq@rhel1 ~]$ which gnuplot /usr/bin/which: no gnuplot in (/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/tuyendq/.local/bin:/home/tuyendq/bin) [tuyendq@rhel1 ~]$ sudo yum install gnuplot Loaded plugins: product-id, search-disabled-repos, subscription-manager Resolving Dependencies --> Running transaction check ---> Package gnuplot.x86_64 0:4.6.2-3.el7 will be installed --> Processing Dependency: gnuplot-common = 4.6.2-3.el7 for package: gnuplot-4.6.2-3.el7.x86_64 --> Processing Dependency: libcairo.so.2()(64bit) for package: gnuplot-4.6.2-3.el7.x86_64 --> Processing Dependency: libgd.so.2()(64bit) for package: gnuplot-4.6.2-3.el7.x86_64 --> Processing Dependency: libpango-1.0.so.0()(64bit) for package: gnuplot-4.6.2-3.el7.x86_64 --> Processing Dependency: libpangocairo-1.0.so.0()(64bit) for package: gnuplot-4.6.2-3.el7.x86_64 --> Running transaction check ---> Package cairo.x86_64 0:1.15.12-3.el7 will be installed --> Processing Dependency:

RHEL: Install Powershell Core

Check if Powershell Core is installed by trying running pwsh command. [tuyendq@rhel1 ~]$ pwsh -bash: pwsh: command not found [tuyendq@rhel1 ~]$ sudo yum install -y powershell Loaded plugins: product-id, search-disabled-repos, subscription-manager epel/x86_64/metalink | 22 kB 00:00 epel | 4.7 kB 00:00 (1/3): epel/x86_64/updateinfo | 986 kB 00:00 (2/3): epel/x86_64/primary_db | 6.6 MB 00:00 (3/3): jdoss-wireguard/x86_64/primary_db | 3.8 kB 00:01 No package powershell available. Error: Nothing to do [tuyendq@rhel1 ~]$ curl https://packages.microsoft.com/config/rhel/7/prod.repo | sudo tee /etc/yum.repos.d/microsoft.repo % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 193 100 193 0

Linux: Wonder What rc Stands for?

"I wanted to understand where it came from." — Ginni Rometty

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