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@jaytaylor
jaytaylor / ._set_system_clock_from_google.md
Last active November 1, 2023 05:01
Use google.com timestamp to set Linux system clock (useful when proxies prevent NTP

set_system_clock_from_google.sh

Sets system time based on what is reported by google.com. Useful for cases where it is not possible to use the standard ntpdate command. For eample, if a Linux machine is on a network which is only able to reach the internet through an HTTP proxy.

Inspired by ryenus' answer @ https://superuser.com/a/807326/72342

Installation

# Download latest set_system_clock_from_google.sh script.
@dav3860
dav3860 / zbxjson.py
Last active February 19, 2021 14:19
Zabbix REST/JSON web service check script
For REST/JSON web service that returns :
{
"DatabaseConnections": [
{
"DatabaseName": "database1",
"DatabaseStatus": "Open",
},
{
"DatabaseName": "database2",
"DatabaseStatus": "Open",
@denji
denji / nginx-tuning.md
Last active May 3, 2024 03:57
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.

@kenelliott
kenelliott / my.cnf
Created November 6, 2012 16:05
16CPU / 16GB My.cnf
[mysqld_safe]
nice = -15
[mysqld]
max_binlog_size = 256M #max size for binlog before rolling
expire_logs_days = 1 #binlog files older than this will be purged
## Per-Thread Buffers * (max_connections) = total per-thread mem usage
thread_stack = 256K #default: 32bit: 192K, 64bit: 256K
sort_buffer_size = 1M #default: 2M, larger may cause perf issues
@oodavid
oodavid / README.md
Last active April 6, 2024 18:45 — forked from aronwoost/README.md
Deploy your site with git

Deploy your site with git

This gist assumes:

  • you have a local git repo
  • with an online remote repository (github / bitbucket etc)
  • and a cloud server (Rackspace cloud / Amazon EC2 etc)
    • your (PHP) scripts are served from /var/www/html/
    • your webpages are executed by apache
  • apache's home directory is /var/www/