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Michael Wiland wilandm

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wilandm / certbot-systemd-ubuntu.md
Created December 17, 2020 01:24 — forked from dbirks/certbot-systemd-ubuntu.md
Certbot renew with a systemd timer on Ubuntu

Ubuntu 16.04

/etc/systemd/system/certbot.service

[Unit]
Description=Let's Encrypt renewal

[Service]
Type=oneshot
ExecStart=/usr/bin/certbot renew --quiet --agree-tos
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wilandm / sed cheatsheet
Last active January 6, 2020 19:35 — forked from ssstonebraker/sed cheatsheet
Sed Cheatsheet
FILE SPACING:
# double space a file
sed G
# double space a file which already has blank lines in it. Output file
# should contain no more than one blank line between lines of text.
sed '/^$/d;G'
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wilandm / iterm2.md
Created December 19, 2019 16:04 — forked from squarism/iterm2.md
iterm2 cheatsheet

Tabs and Windows

Function Shortcut
New Tab ⌘ + T
Close Tab or Window ⌘ + W (same as many mac apps)
Go to Tab ⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction ⌘ + Option + Arrow Key
Cycle iTerm Windows ⌘ + backtick (true of all mac apps and works with desktops/mission control)
@wilandm
wilandm / iterm2.md
Created December 19, 2019 16:04 — forked from squarism/iterm2.md
iterm2 cheatsheet

Tabs and Windows

Function Shortcut
New Tab ⌘ + T
Close Tab or Window ⌘ + W (same as many mac apps)
Go to Tab ⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction ⌘ + Option + Arrow Key
Cycle iTerm Windows ⌘ + backtick (true of all mac apps and works with desktops/mission control)
@wilandm
wilandm / ca_validation.md
Created December 12, 2019 19:09 — forked from genaromadrid/ca_validation.md
Validate a Certificate against a Certificate Authority using OpenSSL

Certificate CA Validation

The easy way

To validate a certificate agains a certificate authority you just have to run

openssl verify -trusted ca_root.pem -untrusted intermediate_ca.pem certificate.pem

You'll see a 'OK' message at the end of the output

@wilandm
wilandm / openssl_commands.md
Last active September 10, 2019 15:22 — forked from p3t3r67x0/openssl_commands.md
Some list of openssl commands for check and verify your keys

openssl

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl