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Latest Articles
Cisco WLAN controller password cracking
June 20, 2019
First you need to get a copy of the configuration file, how ? Use your sniffing skills, which I will not show here. Open the file, find something like below: mgmtuser add encrypt testadmin 1 a9836e23b845fef2d73ac99f01dfae20 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 16 79f0be7ced838052b0cdfc062764c2de0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 read-write or radius auth add encrypt 1 192.168.11.21 1645 password 1 a9836e23b845fef2d73ac99f01dfae20 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 16 79f0be7ced838052b0cdfc062764c2de0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Having...
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Accurate time on Windows Environment (NTP)
June 13, 2019
NTP server in Windows Domain In a windows Domain, the Domain controller (PDC) is acting as a ntp server, all the host machines are syncing time from the DC. To guarantee all the hosts is running on time, you first need to make sure the DC is accurate and sync with an external NTP...
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Calendar
June 12, 2019
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RSVP test
June 12, 2019
<p><a style=”width: 8em; display: block; border: medium inset #FF0000; text-align: center; padding: 3px; background-color: #0000FF; color: #FFFFFF; font-weight: bolder; text-decoration: none;” class=”rsvplink” href=”%s”>RSVP Now!</a></p>...
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Joomla installation
June 12, 2019
Joomla installation: The Files and folders on a cgi (suExec/SuPHP) driven server are 755 for folders and 644 for files with an extra security on the configuration.php = 640 This is how all Joomla site must operate to be secure. Any other settings are incorrect and dangerous or make Joomla not work. If your server...
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Joomla
June 12, 2019
Joomla is a more technical CMS compared with wordpress....
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Drupal installation
June 7, 2019
The directory sites/default/files does not exist. An automated attempt to create this directory failed, possibly due to a permissions problem. To proceed with the installation, either create the directory and modify its permissions manually, or ensure that the installer has the permissions to create it automatically. For more information, please see INSTALL.txt or the...
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demote DC been interrupted by missing server holding FSMO role
June 6, 2019
When you try to do a clean system installation for a domain upgrade, you will demote the old DC. Following error come up: Ownership of the following FSMO role is set to a server which is deleted or does not exist. Operations which require contacting a FSMO operation master will fail until this condition...
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Deploy Wpad in DHCP
June 6, 2019
We can use WPAD to automate the proxy setting process. Deploy with IIS The hosting web server must be also set to serve .dat files as “application/x-ns-proxy-autoconfig” mime types and the wpad.dat file should be located at the web site’s root directory. For example in an IIS configuration, you should do the following: Go...
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VOIP Codec
May 29, 2019
What codec should I use ? PCMU (G711u) is used by default. Both PCMU and PCMA will give you toll quality but their bandwidth consumption is also the highest. If your network bandwidth is low, you can choose a lower-bit-rate codec such as G723 or G729 which will give you near toll quality at...
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Windows ESD image to WIM image
May 15, 2019
In windows ISO, you get an ESD file which is not the correct format for WDS, SCCM. You can use either DISM command or a third party software DISM++ Windows DISM command First we check how many version in the ESP file: Dism /Get-WimInfo /WimFile:install.esd You will see something like: Index:1 Name: windows 10 Home...
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Windows System Variables
May 14, 2019
Windows System Viables VARIABLE WINDOWS 10 %ALLUSERSPROFILE% C:\ProgramData %APPDATA% C:\Users\{username}\AppData\Roaming %COMMONPROGRAMFILES% C:\Program Files\Common Files %COMMONPROGRAMFILES(x86)% C:\Program Files (x86)\Common Files %CommonProgramW6432% C:\Program Files\Common Files %COMSPEC% C:\Windows\System32\cmd.exe %HOMEDRIVE% C:\ %HOMEPATH% C:\Users\{username} %LOCALAPPDATA% C:\Users\{username}\AppData\Local %LOGONSERVER% \\{domain_logon_server} %PATH% C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem %PathExt% .com;.exe;.bat;.cmd;.vbs;.vbe;.js;.jse;.wsf;.wsh;.msc %PROGRAMDATA% C:\ProgramData %PROGRAMFILES% C:\Program Files %ProgramW6432% C:\Program Files %PROGRAMFILES(X86)% C:\Program Files (x86) %PROMPT% $P$G %SystemDrive% C: %SystemRoot%...
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Deploy application
May 13, 2019
The basic software deployment can be decided into two steps: Add an Application. Distribute content. Deploy the software Run the ” Machine Policy Retrieval & Evaluation Cycle” To start the Application deployment, we need to download the msi file first, here we will take 7 zip as an example, go to https://www.7-zip.org/download.html to download the msi...
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Boot image for SCCM
May 13, 2019
To do this start Deployment Tools Command Line as Administrator. In this instance I was creating a x64 boot.wim and the command to run for this was COPYPE.CMD amd64 c:\WINPE64\ Here are all the commands for the different architectures: COPYPE.CMD x86 c:\WINPE86\ COPYPE.CMD amd64 c:\WINPE64\ COPYPE.CMD arm c:\WINPEARM\ Execute the command. Once run, navigate to the c:\WINPE64\media\sources folder and copy the boot.wim to a share...
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Rclone
May 1, 2019
There are several ways to encrypt your data before you send it to the cloud, but if you simply want to back up or sync your data while keeping it private, Rclone has you covered. Rclone is designed to work with established cloud services, no need to set up rsync services on remote machines....
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Veeam Setup storage repository from Network share
April 9, 2019
Error: Job details: Processing 155DCVM01 Error: Access is denied. Could not perform threshold check for backup location "\\NAS-Synology\Backup\vms\09042019" due to space info retrievement fail! Solution: Open Registry: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Veeam\Veeam Backup and Replication Create a DWORD: NetUseShareAccess, Value: 1 ...
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“Please install zlib and zlib-devel packages” error
April 3, 2019
On Mojave, mac ./configure: error: Please install zlib and zlib-devel packages sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target / The reason is because Xcode Command Line tools no longer installs needed headers in /include. You have to run a separate command to install the needed headers....
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powershell backup hyperV
April 3, 2019
Module code: Add below file to powershell as a module, then use below script to backup the VMs to a ftp server: Function Add-VmBackup { param( [String]$vm = $null, [String]$backupLocation = $null, [String]$ftpBackupServer = $null, [Int32]$ftpBackupServerPort = 21, [String]$ftpUsername = $null, [String]$ftpPassword = $null, [String]$ftpBackupPath = "" ) function Archive($sourcedir, $zipFileName ) { Add-Type...
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Cisco PBX UC500 config
March 29, 2019
New Extension number creation voice register dn To enter voice register dn configuration mode to define an extension for a phone line, intercom line, voice-mail port, or a message-waiting indicator (MWI), use the voice register dn command in global configuration mode. To remove the directory number, use theno form of this command. voice register dn dn-tag no voice register dn dn-tag ...
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Deploy HTTPS on Redhat with Apache
March 25, 2019
Although there is automated tools to renew the SSL cert for you, it’s always good to know how it works just in case you need to troubleshoot. We will first see how it works step by step, then introduce a automated tool Certbot. Step one: get your server ready An Overview of Security-Related Packages To...
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WordPress asking for FTP credentials
March 24, 2019
Add A Simple Code In config.php The solution is quite simple. I have added a single line of code in my wp-config.php file and it is working like a charm. The problem is solved and I am having no issue after adding this simple line of code in my WordPress wp-config.php file. Please refer the...
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Administrating your G-Suite with CLI GAM
March 22, 2019
Delegation This is probably the main reason I want to use GAM due to frequent access to user mailbox who left the company. Delegates A delegate is someone who has been given access to someone else’s email and contacts. The delegator is the one whose email and contacts are accessible...
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Manage File association from GPO
March 15, 2019
create a association reference file from one of the PC, then apply this to all other PCs: Make sure you configured the association on PC A is correct, then user following command to export the association file: dism /Online /Export-DefaultAppAssociations:c:\tmp\defaultFileAsso.xml Copy this file to a shared drive or deploy this file to a...
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Ubiquiti – use Centos as Unifi controller
March 13, 2019
1. Install controller Prerequisite: To install the UniFi controller, we need to install mongodb, Java JDK, unzip, wget first. yum -y install epel-release yum -y install mongodb-server java-1.8.0-openjdk unzip wget Install Unifi controller and yum install http://dl.marmotte.net/rpms/redhat/el7/x86_64/unifi-controller-5.8.24-1.el7/unifi-controller-5.8.24-1.el7.x86_64.rpm systemctl enable unifi.service systemctl start unifi.service Then we need to open a couple of ports for controller...
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