luyện

Sort-Object - Sorts objects by property values.

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

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

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

The trouble is, you think you have time. — Buddha

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.

Notes while learning how to program with Assembly.

Learn Assembly if you are REALLY curious what really takes place under the hood. AS — the portable GNU assembler.

Here are several options to check FreeBSD version.

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

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

Find out what Linux kernel your server or device is running.

"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."

uname - print system information. uname stands for U nix name .

Online Courses to learn C for free.

Practice Assembly on Linux with NASM - Netwide Assembler

Live without Microsoft Windows? NO with me so far. I have to install rdesktop on Qubes OS fedora-29 TemplateVM.

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

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

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

netstat - Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships

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

ifconfig - config ure a network i nter f ace

vmstat - Report v irtual m emory stat istics

sed - s tream ed itor for filtering and transforming text

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

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.

Here are notes while using blogger as my daily journal of learning, practicing, and sharing.

cut - remove sections from each line of files

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? .

[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:...

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 ...

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

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