25 Nov 2014
2 minutes read
How to Check if Your System Is Vulnerable to Shellshock
Shellshock refers to a set of vulnerabilities discovered in late summer 2014 that affects Bash (Bourne again shell), a …
How To
21 Nov 2014
2 minutes read
How to Rename a Disk Partition in OSX
There are multiple ways to rename a disk partition in OSX, and both should work well depending on your situation.
12 Nov 2014
2 minutes read
How To: Rename a Disk Partition in OSX
There are multiple ways to rename a disk partition in OSX, and both should work well depending on your situation.
14 Sep 2014
3 minutes read
How to Capture Network Traffic With Tcpdump
You are here: Home / How-To / How to capture network traffic with tcpdump How to capture network traffic with tcpdump …
07 Sep 2014
1 minutes read
How to Update Grub Boot Loader Config
GRUB bootloader starts up what’s necessary for your Linux or UNIX system to boot up. You can edit its settings, …
05 Sep 2014
1 minutes read
Keep Iptables Rules After Reboot
The iptables command on Linux allows setting the rules for the Linux built-in firewall to follow when filtering packets …
04 Sep 2014
3 minutes read
How to Capture Network Traffic With Tcpdump
With tcpdump you can intercept, read, and save TCP/IP packets flowing through a particular network interface. These …
03 Sep 2014
2 minutes read
How to Use Dpkg to Compare Two Linux Servers
While we mainly install, remove, update and otherwise manage software on Debian and Ubuntu based systems using apt-get, …
22 Jul 2014
1 minutes read
How to Change Hostname in FreeBSD
Changing the hostname in FreeBSD is very simple. It can be done immediately using the hostname command while logged in …
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 …
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 …