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@mtigas
mtigas / gist:952344
Last active October 16, 2024 09:03
Mini tutorial for configuring client-side SSL certificates.

Client-side SSL

For excessively paranoid client authentication.

Updated Apr 5 2019:

because this is a gist from 2011 that people stumble into and maybe you should AES instead of 3DES in the year of our lord 2019.

some other notes:

@pitch-gist
pitch-gist / gist:2999707
Created June 26, 2012 22:21
HTML: Simple Maintenance Page
<!doctype html>
<title>Site Maintenance</title>
<style>
body { text-align: center; padding: 150px; }
h1 { font-size: 50px; }
body { font: 20px Helvetica, sans-serif; color: #333; }
article { display: block; text-align: left; width: 650px; margin: 0 auto; }
a { color: #dc8100; text-decoration: none; }
a:hover { color: #333; text-decoration: none; }
</style>
@jpawlowski
jpawlowski / msys_hetzner-etc_network_interfaces
Created August 12, 2012 12:06
Debian network configuration for Proxmox VE server running on a Hetzner host
# /etc/network/interfaces
#
auto lo
iface lo inet loopback
# device: eth0
iface eth0 inet manual
# IPv4 bridge
# (connect ONLY your firewall/router KVM instance here, this is the WAN device!)
@stwalkerster
stwalkerster / postmanage.sh
Created December 28, 2012 22:30
Postfix queue management script
#!/bin/bash
app="whiptail --backtitle 'Postfix Queue Manager - stwalkerster.net Cluster' --clear --nocancel"
while true; do
queue=`ls /var/spool/postfix/hold/`
menulist=""
for i in $queue; do
@drtoast
drtoast / gist:7159912
Created October 25, 2013 18:54
Jailbreaking a Google Search Appliance
These are my notes from my abandoned project to wipe and reuse a Google Search Appliance:
Dell PowerEdge 2950 (model EMS01)
http://support.dell.com/support/edocs/systems/pe2950/en/hom/html/index.htm
Disable BIOS Password
http://support.dell.com/support/edocs/systems/pe2950/en/hom/html/jumpers.htm#wp1054535
@XVilka
XVilka / TrueColour.md
Last active November 18, 2024 16:13
True Colour (16 million colours) support in various terminal applications and terminals

THIS GIST WAS MOVED TO TERMSTANDARD/COLORS REPOSITORY.

PLEASE ASK YOUR QUESTIONS OR ADD ANY SUGGESTIONS AS A REPOSITORY ISSUES OR PULL REQUESTS INSTEAD!

@denji
denji / nginx-tuning.md
Last active November 21, 2024 07:08
NGINX tuning for best performance

Moved to git repository: https://github.com/denji/nginx-tuning

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) requests per second and 30% CPU load, course, this was 2 x Intel Xeon with HyperThreading enabled, but it can work without problem on slower machines.

You must understand that this config is used in testing environment and not in production so you will need to find a way to implement most of those features best possible for your servers.

@gismo141
gismo141 / remove_gui_from_debian.sh
Last active November 17, 2024 15:49
Remove all GUI-related Packages from Existing Debian-Installation
apt-get remove -y --purge x11-common
apt-get autoremove -y --purge
apt-get install -y deborphan
deborphan | xargs dpkg -P # do this a bunch of times
@maethor
maethor / debian_upgrade.yml
Created July 18, 2014 14:06
Ansible playbook to update and upgrade Debian hosts
---
- hosts: all
sudo: yes
tasks:
- name: Update packages list
apt: update_cache=yes
when: ansible_os_family == 'Debian'
- name: List packages to upgrade (1/2)
@wmealing
wmealing / C-states.md
Last active November 19, 2024 19:47
What are CPU "C-states" and how to disable them if needed?

To limit a CPU to a certain C-state, you can pass the processor.max_cstate=X option in the kernel line of /boot/grub/grub.conf.

Here we limit the system to only C-State 1:

    kernel /vmlinuz-2.6.18-371.1.2.el5 ... processor.max_cstate=1

On some systems, the kernel can override the BIOS setting, and the parameter intel_idle.max_cstate=0 may be required to ensure sleep states are not entered: