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 …
How To
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 …
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 …
20 May 2014
2 minutes read
How-To: Ubuntu - Enable SSH
Secure Shell (SSH) allows secure communication between networked computers for such purposes as logging in to a remote …
04 Feb 2013
1 minutes read
How to Confirm Mac OS Version From Command Line
Just a very quick tip today, I stumbled upon this command a while ago and think it may be handy for someone learning the …
25 Sep 2012
3 minutes read
How to Mount DMG Files From Command Line in Mac OS
DMG files are proprietary disk image files used for software distribution in Mac OS. Providiing both password …
28 Feb 2012
1 minutes read
How To: Use Yum Behind Proxy
I’ve got a few RedHat and CentOS VMs running on internal network of my server, and since updating them quite …
24 Jan 2012
3 minutes read
Passwordless SSH With Encrypted Homedir in Ubuntu
Quite recently I came across a very interesting issue: while configuring passwordless SSH (it’s public key based, …
02 Dec 2009
3 minutes read
How to Disable IPv6 in Red Hat Linux
Since it may be a while before I’m ready to use the IPv6 on my systems, I’ve been disabling IPv6 on most …
12 Jun 2009
2 minutes read
How To: Using Return (Exit Status) Codes in Unix Shells
There are so many topics which I have never addressed on Unix Tutorial pages, I just can’t wait to share them with …
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 …