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@pedrolamas
pedrolamas / docker-iptables-fix.sh
Created August 18, 2020 19:32
Script to fix Docker iptables on Synology NAS
#!/bin/bash
currentAttempt=0
totalAttempts=10
delay=15
while [ $currentAttempt -lt $totalAttempts ]
do
currentAttempt=$(( $currentAttempt + 1 ))
echo "Attempt $currentAttempt of $totalAttempts..."
@MaxymVlasov
MaxymVlasov / .pre-commit-config.yaml
Last active January 5, 2024 10:40
https://tinyurl.com/pre-commit-config <-- Short link to gist | More here --> https://pre-commit.com/hooks.html.
# How to install:
# pre-commit install --install-hooks && pre-commit install --install-hooks -t commit-msg
# How temporary skip one of hooks: https://pre-commit.com/#temporarily-disabling-hooks
repos:
#######
# ALL #
#######
@bmoyles
bmoyles / 52-ec2-xen-vbd-devices.rules
Created March 19, 2019 17:29
ec2 vbd and NVMe udev rules and helpers
# ensure any xen virtual block devices named xvdN get a sdN symlink for consistency
KERNEL=="xvd*", PROGRAM="/sbin/ec2udev-vbd %k", SYMLINK+="%c"
@milesbxf
milesbxf / monzo-alertmanager-config.yaml
Last active May 6, 2024 13:26
Monzo's Alertmanager Slack templates
###################################################
##
## Alertmanager YAML configuration for routing.
##
## Will route alerts with a code_owner label to the slack-code-owners receiver
## configured above, but will continue processing them to send to both a
## central Slack channel (slack-monitoring) and PagerDuty receivers
## (pd-warning and pd-critical)
##
@andreicristianpetcu
andreicristianpetcu / ansible-summary.md
Created May 30, 2016 19:25
This is an ANSIBLE Cheat Sheet from Jon Warbrick

An Ansible summary

Jon Warbrick, July 2014, V3.2 (for Ansible 1.7)

Configuration file

intro_configuration.html

First one found from of

@vasanthk
vasanthk / System Design.md
Last active May 6, 2024 20:21
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@mazgi
mazgi / console.log.md
Last active March 18, 2024 17:18
LDAP Auth for SSSD, SSH, SUDO 
# uname -a
Linux base 4.0.5-gentoo #1 SMP Wed Jul 1 02:23:16 JST 2015 x86_64 Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz GenuineIntel GNU/Linux

Packages

# emerge -pvq openldap openssh sssd sudo
[ebuild R ] net-nds/openldap-2.4.38-r2 USE="berkdb crypt gnutls ipv6 minimal sasl ssl syslog tcpd -cxx -debug -experimental -icu -iodbc -kerberos -odbc -overlays -perl -samba (-selinux) -slp -smbkrb5passwd" ABI_X86="(64) -32 (-x32)"
@mikepea
mikepea / gist:07b1cede92c119e4f297
Last active February 24, 2022 10:53
Grafana Scripted Dashboard example for collectd with SeparateInstances and StoreRates enabled
/* global _ */
/*
* Complex scripted dashboard
* This script generates a dashboard object that Grafana can load. It also takes a number of user
* supplied URL parameters (int ARGS variable)
*
* Global accessable variables
* window, document, $, jQuery, ARGS, moment
*
* Return a dashboard object, or a function
@kaplan
kaplan / tmux_cheatsheet.markdown
Last active May 14, 2021 01:51
My most commonly used tmux commands and reference sites for learning tmux

tmux handy commands and references

####sessions

tmux new -s session_name      # new session by name
tmux attach -t session_name     # attach session by name (you can also use a instead of attach)
tmux switch -t session_name     # switch session by name (you can also use a instead of attach)
tmux list-sessions              # list existing sessions
bind-key : new -s session_name  # new session from within a session  
// detach
tmux detach # detach currently attached session
@naholyr
naholyr / _service.md
Created December 13, 2012 09:39
Sample /etc/init.d script

Sample service script for debianoids

Look at LSB init scripts for more information.

Usage

Copy to /etc/init.d:

# replace "$YOUR_SERVICE_NAME" with your service's name (whenever it's not enough obvious)