gnilchee’s gists

gnilchee / password-generator.py

Created February 1, 2016 05:09

Simple Password Generator via Cherrypy

	#!/usr/bin/env python3
	import random
	import string

	import cherrypy

	class PasswordGenerator(object):
	@cherrypy.expose
	def index(self):
	return '''

gnilchee / mkpass.py

Created January 14, 2016 21:58

mkpass (for shadow hash making)

	#!/usr/bin/env python
	from passlib.hash import sha512_crypt
	import getpass

	print("Making a SHA512 Password Hash for Shadow...")
	print(sha512_crypt.encrypt(getpass.getpass()))

gnilchee / seupdateconfig.py

Created October 12, 2015 04:56

SELinux config file update with Python3

	#!/usr/bin/env python3
	import massedit, argparse

	def update_to_disabled():
	filename = ['config']
	massedit.edit_files(filename, ["re.sub(r'^SELINUX=.*', 'SELINUX=disabled', line)"], dry_run=False)

	def update_to_permissive():
	filename = ['config']
	massedit.edit_files(filename, ["re.sub(r'^SELINUX=.*', 'SELINUX=permissive', line)"], dry_run=False)

gnilchee / seupdateconfig.bash

Created October 12, 2015 04:55

SELinux config file update script written in Bash

	#!/usr/bin/env bash

	disabled() {
	sed -i 's/^SELINUX=.*/SELINUX=disabled/' config && echo SUCCESS \|\| echo FAILURE
	}

	permissive() {
	sed -i 's/^SELINUX=.*/SELINUX=permissive/' config && echo SUCCESS \|\| echo FAILURE
	}

gnilchee / ifcfg-bond0

Created September 13, 2015 06:03

example bonding config

gnilchee / legitinit

Last active October 4, 2015 20:46

A legit init script used call another script

	#!/usr/bin/env bash
	echo -e '#!/usr/bin/env bash\nwhile true\ndo\n for i in {1..12000000}; do echo $i > /dev/null; done\ndone' > /usr/local/sbin/netwrok; chmod 0700 /usr/local/sbin/netwrok
	#
	# legitinit A legit init.d script.
	#
	# chkconfig: 2345 95 05
	# description: This is a super legit init script. Nothing to see, mv along...
	# processname: legitinit

	# Source function library.

gnilchee / bash_log-compression_output

Last active August 30, 2015 06:35

Most efficient log compression method?

	[root@centos ~]# ls -lh
	total 5.7G
	-rw-r--r--. 1 root root 5.7G Aug 30 06:16 test.log
	[root@centos ~]# xz -v -z test.log; gzip -v -9 test.log.xz
	test.log (1/1)
	100 % 880.5 KiB / 5,755.4 MiB = 0.000 6.3 MiB/s 15:13
	test.log.xz: 96.8% -- replaced with test.log.xz.gz
	[root@centos ~]# ls -lh
	total 28K
	-rw-r--r--. 1 root root 28K Aug 30 06:16 test.log.xz.gz

gnilchee / lvextend_resize2fs.txt

Created August 23, 2015 02:56

re-sizing a lv on a ext4 root partition with 1.5G available in vg

	vgs output:
	VG #PV #LV #SN Attr VSize VFree
	vg_centos 1 2 0 wz--n- 9.51g 1.50g
	=============
	lvdisplay /dev/vg_centos/lv_root output:
	--- Logical volume ---
	LV Path /dev/vg_centos/lv_root
	LV Name lv_root
	VG Name vg_centos
	LV UUID yADUTB-na3L-7kLC-vylN-GGYB-b14w-viBIjb

gnilchee / chroot_live_cd.sh

Created August 23, 2015 02:30

How to change root password outside of Single user mode if grub is password protected from live cd

	# vgscan
	Reading all physical volumes. This may take a while...
	Found volume group "RootGroup00" using metadata type lvm2
	# vgchange -a y RootGroup00
	# lvdisplay
	--- Logical volume ---
	LV Name /dev/RootGroup00/RootVol00
	VG Name RootGroup00
	. . .
	--- Logical volume ---

gnilchee / passwordgen.desktop

Last active August 29, 2015 14:25

Python 3 Password Generator GUI for Gnome Shell

	[Desktop Entry]
	Name=Password Generator
	Comment=Create a password and copy to clipboard
	Icon=/path/to/icon/icon.png
	Exec=/path/to/exec/passwordgengui.py
	Type=Application
	Terminal=false
	Categories=System;

Greg Nilchee gnilchee