02 Jul 2014
5 minutes read
How To Use sudo
The visudo command is a safe and secure way of editing the /etc/sudoers file on UNIX and Linux systems. /etc/sudoers is instumental for gaining privileged access via sudo command.
Unix Tutorial - technical guides and how-tos on Linux/Unix and macOS
02 Jul 2014
5 minutes read
How to Use Visudo
The visudo command is a safe and secure way of editing the /etc/sudoers file on UNIX and Linux systems. /etc/sudoers is …
02 Jul 2014
2 minutes read
How to Use Wget and Curl
Both wget and curl are Unix commands for transferring files over the network via various network protocols like HTTP or …
02 Jul 2014
3 minutes read
How To: Create Filesystem With Mkfs
The mkfs command available in UNIX and Linux operating systems is used to create file systems on various storage devices …
02 Jul 2014
3 minutes read
Most Important Sshd Configuration Options
SSH, or Secure SHell, allows the user of one computer on the network to connect to and use the shell of another over a …
02 Jul 2014
5 minutes read
Useful Options for Mount and Umount
In UNIX and Linux operating systems everything resides in a tree like structure rooted at /, the root directory. This …
02 Jul 2014
3 minutes read
Using Nice and Renice to Change Process Priority
Every process in UNIX runs with a particular priority assigned to it, which determines how much processing time should …
05 Jun 2014
4 minutes read
How to Create an Alias in Unix
When you want to save yourself from typing an unwieldy command over and over again you can create and use an alias for …
28 May 2014
2 minutes read
How To: Make IP Forwarding Permanent in Linux
While IP forwarding in Linux is disabled by default, as most people don’t need it, there may be various reasons …
23 May 2014
2 minutes read
Installing VLC in Ubuntu
An extremely popular and extremely powerful VLC Media Player by VideoLAN is known for its ability to play just about any …
How to decrypt files with Ansible Vault
ansible-vault decrypt restores an encrypted file …
Just discovered the macOS footprint command
I’ve administered Linux systems for around 25 …
How to Fix Ubuntu Packages Held Back
When trying to run do-release-upgrade on an Ubuntu …
How To Resize Filesystem with resize2fs
Quick note on filesystem resize on a typical …
macOS Tahoe
macOS Tahoe is the upcoming major release of macOS …
Centralized Bash history with timestamps
BASH is my Linux shell of choice (it’s zsh on …
Inspect filesystem operations with fs_usage in macOS
hey Unless you disable SIP, most of DTrace based …