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@mmcloughlin
mmcloughlin / AESNI.md
Last active October 24, 2017 16:52
Processor support for AES-NI and CLMUL-NI

AES GCM hardware acceleration requires both AES-NI and CLMUL-NI instructions. The existence of these instructions are indicated by bits 25 and 1 respectively of CPUID (ecx leaf 1). The existence of two feature bits raises the concern that they may not both be present together.

This script uses the instlatx64.atw.hu CPUID database to search for processors that have one of the instruction sets but not both.

@luckydev
luckydev / gist:b2a6ebe793aeacf50ff15331fb3b519d
Last active April 3, 2025 18:13
Increate max no of open files limit in Ubuntu 16.04/18.04 for Nginx
# maximum capability of system
user@ubuntu:~$ cat /proc/sys/fs/file-max
708444
# available limit
user@ubuntu:~$ ulimit -n
1024
# To increase the available limit to say 200000
user@ubuntu:~$ sudo vim /etc/sysctl.conf
@mentos1386
mentos1386 / Webstorm-Airbnb-Javascript-codeStyle.xml
Created March 12, 2017 11:03
Airbnb inspired Webstorm Javascript CodeStyle
<code_scheme name="Airbnb">
<option name="RIGHT_MARGIN" value="100" />
<option name="HTML_ATTRIBUTE_WRAP" value="4" />
<option name="HTML_ELEMENTS_TO_INSERT_NEW_LINE_BEFORE" value="" />
<option name="HTML_ENFORCE_QUOTES" value="true" />
<DBN-PSQL>
<case-options enabled="false">
<option name="KEYWORD_CASE" value="lower" />
<option name="FUNCTION_CASE" value="lower" />
<option name="PARAMETER_CASE" value="lower" />
@heatxsink
heatxsink / glog-example.go
Last active March 25, 2023 06:02
An example of how to use golang/glog.
/*
glog-example
------------
background
---
You probably want to read the source code comments at the top of the glog.go file in
the golang/glog repository on github.com. Located here: https://github.com/golang/glog/blob/master/glog.go
setup
@gene1wood
gene1wood / batch-delete-gmail-emails.js
Last active April 28, 2025 01:29
A Google Apps Script script to bulk delete large amounts of email in Gmail while avoiding the error #793 which Gmail encounters normally
/*
This script, when used with Google Apps Scripts, will delete 400 emails and
can be triggered to run every few minutes without user interaction enabling you
to bulk delete email in Gmail without getting the #793 error from Gmail.
Google returns a maximum of 500 email threads in a single API call.
This script fetches 400 threads in case 500 threads is causing timeouts
Configure the search query in the code below to match the type of emails
you want to delete
@vishvananda
vishvananda / tunnel.sh
Created October 22, 2013 03:16
Script to set up an ipsec tunnel between two machines For Example: ./tunnel.sh 10.10.10.1 10.10.10.2 192.168.0.1 192.168.0.2 would set up an ipsec tunnel over 10.10.10.1 address using 192.168.0.1 as a virtual address passwordless sudo required for user on remote machine
#!/bin/bash
if [ "$4" == "" ]; then
echo "usage: $0 <local_ip> <remote_ip> <new_local_ip> <new_remote_ip>"
echo "creates an ipsec tunnel between two machines"
exit 1
fi
SRC="$1"; shift
DST="$1"; shift