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CISCO router password recovery

Dec 28

Posted by mario in Technik | No Comments

– Attach a terminal or PC with terminal emulation to the console port of the router.
Use these terminal settings:

* 9600 baud rate
* No parity
* 8 data bits
* 1 stop bit
* No flow control
– If you can access the router, type show version at the prompt, and record the configuration register setting. See Example of Password Recovery Procedure in order to view the output of a show version command
Note: The configuration register is usually set to 0x2102 or 0x102. If you can no longer access the router (because of a lost login or TACACS password), you can safely assume that your configuration register is set to 0x2102.

 

– Press **Break** (**Ctrl-Break** Windows XP) on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
– Type **confreg 0x2142** at the rommon 1> prompt in order to boot from Flash. This step bypasses the startup configuration where the passwords are stored.
– Type **reset** at the rommon 2> prompt. The router reboots, but ignores the saved configuration.
– Type **no** after each setup question, or press **Ctrl-C** in order to skip the initial setup procedure.
– Type **enable** at the Router> prompt. You are in enable mode and should see the Router# prompt.
– Type **configure memory** or **copy startup-config running-config** in order to copy the nonvolatile RAM (NVRAM) into memory. **Important**: Do not type **copy running-config startup-config** or **write**. These commands erase your startup configuration.
– Type **show running-config**. The **show running-config** command shows the configuration of the router. In this configuration, the **shutdown** command appears under all interfaces, which indicates all interfaces are currently shut down. In addition, the passwords (enable password, enable secret, vty, console passwords) are in either an encrypted or unencrypted format. You can reuse unencrypted passwords. You must change encrypted passwords to a new password.
– Type **configure terminal**.
– The hostname(config)# prompt appears.
– Type **enable secret <password>** in order to change the enable secret password. For example: hostname(config)#**enable secret cisco**
– Issue the **no shutdown** command on every interface that you use. If you issue a **show ip interface brief** command, every interface that you want to use should display up up.
– Type **config-register <configuration_register_setting>**. Where **configuration_register_setting** is either the value you recorded in step 2 or **0x2102** . For example: hostname(config)#**config-register 0x2102**
– Press **Ctrl-z** or **end** in order to leave the configuration mode. The hostname# prompt appears.
– Type **write memory** or **copy running-config startup-config** in order to commit the changes.

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replace href regex

Dec 27

Posted by mario in Technik | No Comments

Maybe this helps someone else, too

<a\s+(?:[^>]*?\s+)?href="([^"]*)"

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vim

Dec 25

Posted by mario in Technik | No Comments

normal mode

  • [count]operation[count]{motion}
  • :q! = quit without saving
  • :x = :wq == write and quit
  • dd or D = delete line
  • d7d = delete the next 7 lines
  • . = repeat the last command
  • CTRL + o = back to last cursor position
  • p = insert (from register) / paste in line below cursor
  • P = paste obove cursor- :reg = list registers
  • "1p = paste from register 1
  • "+y = copy into system clipboard
  • "+p = pate from system clipboard
  • u = undo
  • CTRL + R = redo
  • i = enter insert mode
  • v = enter visual mode
  • y = yank / copy what was selected
  • yy = yank / copy line
  • 4yy = yank 4 lines
  • >> = indent- &lt;&lt; = unindent
  • :E = open file explorer (works only with set nocompatible)
  • :bd = buffer delete / close buffer
  • :bn = goto next buffer
  • :bp = previous buffer
  • :ls = list of buffers
  • * = Find word unter cursor- :%s/search/replace/g g for global
  • :%!column -t spaces to columns
  • $ = goto the end of the line
  • x = delete charater under cursor
  • w = goto next word
  • dw = delete next word
  • 0 = goto start of line
  • z ENTER move view to line
  • :terminal Open Terminal in split view
  • :set rightleft right to left (exit with :set rightleft&)
  • :edit! reload file without saving or :e!
  • :set nowrap
  • :set wrap
  • :set nu Show line numbers. Reverse with nonu
    – :setlocal cm=blowfish2
  • :X
  • h j k l = move cursor ( h: ← j: ↓ k: ↑ l: →
  • :sp = split screen (same file)
  • :sp filename = open other file
  • :vsp = vertical split
  • CTRL + w CTRL + w = switch between splits
  • :hide = close current window
  • :only = keep only this window
  • :help holy-grail = advanced help
  • :set rightleft = some fun

Search/Replace

  • R = enter replace mode- /pattern – search for pattern
  • ?pattern – search backward for pattern
  • n – repeat search in same direction
  • N – repeat search in opposite direction
  • :%s/old/new/g – replace all old with new throughout file
  • :%s/old/new/gc – replace all old with new throughout file with confirmations

insert mode

  • CTRL + n CTRL + p = Complete word
  • CTRL + x CTRL + l = Complete line
  • CTRL + r = insert register
  • 80i * ESC = insert 80 *
  • 5o # ESC = insert 5 rows starting with #
change EOL / line ending
  • :set ff=unix= set to unix line endings
  • How to jump back to NERDTree from file in tab
    ctrl-ww

INSERT
you can insert text from your host’s clipboard by pressing the right mouse button (default setting) or by pressing Shift + Ins. Note that this has the same effect as entering every character manually. So if you are using auto indentation in vim, this will very likely screw up your code.
To fix that, you can do the following:
Before pasting into vim, enable paste mode by entering :set paste.Press I to enter insert mode. The status bar should say -- INSERT (paste) -- now.Press Shift + Insert (The auto indentation of vim should not happen.)Press Esc to leave insert mode, and disable paste mode using :set nopaste again.

How to delete all lines of file in Vim
Type gg to move the cursor to the first line of the file, if it is not already there.Type dG to delete all the lines.

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mac osx pdf print first page

Dec 22

Posted by mario in Technik | No Comments

On Mac OSX it is easy to print only the first page from each pdf file in a directory. Open a terminal

lpr -o page-ranges="1-1" *.pdf

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SSH Ticks

Dec 20

Posted by mario in Technik | No Comments

This is more for me than others. Sometimes I forget things like this.

SSH Dynamic Socks Proxy for the browser.

ssh -D 8888 mario@example.com
Browser: Socks Proxy localhost 888

SSH Tunnel to another host

ssh -L 9090:localhost:9090 user@proxyhost -i SSHKEY ssh -L 9090:localhost:9090 -N user@TARGETSYSTEM

Also SSH Tunnel Bypassing Transparent proxy using apache

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Honor / huawei phone disable / remove huawei search

Nov 3

Posted by mario in Technik | 1 Comment

1) Download ADB
2) Enable USB Debugging on your device
3) Connect to computer and verify your device is listed with command “adb devices”
4) Type “adb Shell”
5) Type “pm list packages”, this will show you all packages installed on phone.
6) Type “pm uninstall -k –user 0 com.huawei.search”
7) you should see the word “Sucess” pop up
Well I removed some more bloat ware
adb devices
adb Shell
pm list package
pm list package | grep "huawei"
pm uninstall -k --user 0 com.huawei.search
pm uninstall -k --user 0 com.huawei.appmarket
pm uninstall -k --user 0 com.huawei.himovie.overseas
pm uninstall -k --user 0 com.huawei.android.mirrorshare
pm uninstall -k --user 0 com.huawei.tips
pm uninstall -k --user 0 com.huawei.wallet
pm uninstall -k --user 0 com.facebook.services
pm uninstall -k --user 0 com.facebook.appmanager
pm uninstall -k --user 0 com.facebook.system
pm uninstall -k --user 0 com.google.android.feedback
pm list package | grep -v "google" | grep -v "huawei" | grep -v "com\.android"
pm list package huawei

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Back to the front. Bootstrap with composer

Mar 26

Posted by mario in Technik | No Comments

After a long while I had to something with frontend coding. I wanted to used composer like in my PHP projects. But how the heck to get the composer files to the public / frontend folder on each update? Luckily composer knows a post update command. So here we go

{
  "require": {
    "twbs/bootstrap": "4.3.1"
  },
  "scripts": {
    "post-update-cmd": [
      "rm -rf public/bootstrap",
      "cp -R vendor/twbs/bootstrap/dist public/bootstrap"
    ]
  }
}

with composer update the files will be copied to public/bootstrap. Easy!

git cheat sheet

Jun 27

Posted by mario in Technik | No Comments

Delete all local branches but master and the current one

git branch | grep -v "master" | grep -v ^* | xargs git branch -D;

what did I do? aka git last commit

git diff @~..@

What did I do the last week?

git log --stat --since='1 Week Ago' --graph --pretty=oneline --abbrev-commit --date=relative

git log only the relevant merges 

git log --all --graph --decorate --oneline --simplify-by-decoration

show all untracked files

git ls-files --others --exclude-standard

last tag

describe --tags --abbrev=0

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Office 365 get users last password change

Apr 24

Posted by mario in Technik | No Comments

This requires admin access to Azure / Office 365

Import-Module MSOnline

$login = Get-Credential
Connect-MsolService -Credential $login

Get-MSOLUser -All | Select DisplayName, UserPrincipalName, LastPasswordChangeTimestamp, PasswordNeverExpires | Sort-Object LastPasswordChangeTimestamp

Note You must have the PowerShell Azure Active Directory (MSOL) Cmdlets installed for this script to work.  You can download them here:

https://msdn.microsoft.com/en-us/library/azure/jj151815.aspx?f=255&MSPPError=-2147217396

Delete DS_store and other mac files from windows server

Jan 11

Posted by mario in Technik | No Comments

Use a simple batch script

del /s /q /f /a .DS_STORE
del /s /q /f /a ._.*

Maybe you need to cd \ to the root of the drive you are on.

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