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To C or not to C, that is a question.

NoNullsInHeaven

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Posted on 2025-03-25
0 Hits NOTHING System

Use tee to Append to Files in Privileged Permission, not Output Redirection

Excerpt

Sometimes, we want to append text to a file which we don’t have permission to write to. Let’s s

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Posted on 2025-03-24
0 Hits NOTHING System

Always Wrap Variables and Command Substitution With Double Quotes…Right?

Excerpt

In Bash scripting, a general rule is to wrap variables and command substitution with double quotes to preve

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Posted on 2025-02-20
1 Hit NOTHING System

Change Username and Hostname of Shell Prompt

Excerpt

Sometimes when writing for my blog, I need to post some screenshots of my terminal. For the sake of securit

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Posted on 2025-02-20
1 Hit NOTHING System

Get Distro Version Information Without lsb-release

Excerpt

Sometimes we want to get version information about distro. The most handy way to achieve that is through ls

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Posted on 2025-02-06
1 Hit NOTHING System

systemctl: More Than systemd Service Manager

Excerpt

We use systemctl to manage systemd services and it’s tempted to think that it’s for systemd ser

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Posted on 2025-02-05
4 Hits NOTHING System

Enable GRUB Menu and Set Default Kernel in Ubuntu 20.04.3 LTS

Excerpt

In Ubuntu Linux distro, GRUB menu is not enabled by default, which is annoying when we need to boot into a

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Posted on 2025-02-02
2 Hits NOTHING System

SSH to Local KVM-QEMU User-mode VMs with Port Forwarding

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In our previous blog, we have seen how to install KVM-QEMU VMs on Fedora 41. After installation, we can con

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Posted on 2025-02-01
1 Hit NOTHING System

KVM/QEMU Admin Cheatsheet

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Lifecycle Management Connection & Access Volume (Disk) Management Memory Management Snapshot Management

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Posted on 2025-02-01
1 Hit 2 Comments System

Merge Sort is Susceptible to Stack Overflow

Excerpt

Merge sort is an easy-to-implement stable sorting algorithm which is particularly useful in competitive pro

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Posted on 2025-02-01
5 Hits NOTHING System

Install KVM/QEMU Virtual Machines on Fedora 41

Excerpt

KVM (Kernel-based Virtual Machine) is a Linux built-in virtualization technology provided as a kernel modul

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