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March 3, 2020

Netstat

Netstat is a utility for gathering network statistics. It comes preinstalled on most systems.

If missing, here’s how to install.

# Redhat, CentOS
yum install net-tools
# Debian, Ubuntu, Mint
apt install net-tools
# SLES, SUSE
zypper install net-tools

# Redhat, CentOS yum install net-tools # Debian, Ubuntu, Mint apt install net-tools # SLES, SUSE zypper install net-tools

Here are some common and useful commands.

# show version
netstat -v
# show routing table
netstat -nr
# show network interface statistics
netstat -ai
# show network connections
netstat -ant
# show network services
netstat -pnltu

# show version netstat -v # show routing table netstat -nr # show network interface statistics netstat -ai # show network connections netstat -ant # show network services netstat -pnltu

May 26, 2019

Differences between AWS, Azure and GCP

Here’s a side by side comparison of AWS vs. GCP, and AWS vs. Azure.

March 15, 2019

GCP Instance Scopes

Give Instances access to other cloud services using scopes.

gcloud alpha compute instances set-scopes instance-name \
--project project-name --zone us-central1-a \
--scopes=cloud-platform,cloud-source-repos,compute-rw,storage-rw

gcloud alpha compute instances set-scopes instance-name \ --project project-name --zone us-central1-a \ --scopes=cloud-platform,cloud-source-repos,compute-rw,storage-rw

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