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Latest Articles
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
Step one: get your server ready An Overview of Security-Related Packages To enable the secure server, you must have the following packages installed at a minimum: httpd The httpd package contains the httpd daemon and related utilities, configuration files, icons, Apache HTTP Server modules, man pages, and other files used by the Apache HTTP Server....
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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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Schedule powershell scripts
March 2, 2019
1. Get your script ready Surprising as it might sound, your script might actually not be ready to run in a scheduled task as is. This happens if it uses cmdlets from a particular PowerShell module or snapin, and it worked for you interactively because you used a specialized shell (e.g. Exchange Management Shell) or...
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Work with mail
March 1, 2019
send email from powershell $EmailTo = “receiver_email” $EmailFrom = “sender_email” $Subject = “Test” $Body = “Test Body” $SMTPServer = “smtp_server” $SMTPMessage = New-Object System.Net.Mail.MailMessage($EmailFrom,$EmailTo,$Subject,$Body) $SMTPClient = New-Object Net.Mail.SmtpClient($SmtpServer, 587) $SMTPClient.EnableSsl = $true $SMTPClient.Credentials = New-Object System.Net.NetworkCredential(“email account“, “email_password“); $SMTPClient.Send($SMTPMessage) Change the blue part into your email parameters....
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monitor Esxi with Nagios
February 28, 2019
sudo yum install epel-release sudo yum install python-pip Problem: Cannot uninstall ‘PyYAML’. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall. Reduced version: pip install –upgrade –force-reinstall pip==9.0.3 Tried to re-install package: pip install xxx –disable-pip-version-check At last,...
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Install Openmanage on VMware Esxi
February 19, 2019
This article describes the installation process of OpenManage Server Administrator VIB (OMSA) on VMware ESXi 5.x and/or VMware ESXi 6.x. Table of Contents Download Dell OpenManage Server Administrator vSphere Installation Bundle (VIB) Upload VIB to Datastore Enable SSH VIB Installation Rebooting the Host OMSA Download and Installation for Windows (Optional) Collecting logs with SupportAssist Enterprise...
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Direct attached Storage (DAS)
February 6, 2019
Direct Attached Storage (DAS) is a storage that is in direct contact with an accessing computer. This kind of storage includes devices such as hard drives, external hard drives, and optical disk drives. The DAS Storage stays in the connection with one computer at a time. A standard DAS environment is built with data storage...
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Unison File Synchronizer (network or local)
January 22, 2019
Installation Options The Makefile in the distribution includes several switches that can be used to control how Unison is built. Here are the most useful ones: Building with NATIVE=true uses the native-code OCaml compiler, yielding an executable that will run quite a bit faster. We use this for building distribution versions. Building with make DEBUGGING=true generates debugging symbols. Building with make STATIC=true generates...
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Linux system config
December 10, 2018
Change your timezone # mv /etc/localtime /etc/localtime.backup # ln -s /usr/share/zoneinfo/Europe/Brussels /etc/localtime You need to substitute the lines in bold with your actual current timezone. That will change the timezone in the current session and should prevail upon reboots. To be absolutely certain, edit the file /etc/sysconfig/clock as well. That’s the file that will be read on boot the...
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Transparently redirect root folder to a sub folder
December 10, 2018
Enable mod_rewrite Module The mod_rewrite module is enabled by default on CentOS 7. If you find it is not enabled on your server, you can enable it by editing 00-base.conf file located in /etc/httpd/conf.modules.d/ directory. sudo nano /etc/httpd/conf.modules.d/00-base.conf Add or uncomment the following line: LoadModule rewrite_module modules/mod_rewrite.so Save and close the file, then restart the...
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Install LAMP ( Linux, Apache, Mysql (MariDB) , PHP)
November 27, 2018
Install LAMP would be the basic skill for a Linux admin. Step 1: Install Apache Server with Basic Configurations 1. After performing a minimal system installation and configure your server network interface with a Static IP Address on RHEL/CentOS 7.0, go ahead and install Apache 2.4 httpd service binary package provided form official repositories using...
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LDAP
October 25, 2018
LDAP stands for Lightweight Directory Access Protocol. As the name suggests, it is a lightweight protocol for accessing directory services, specifically X.500-based directory services. LDAP runs over TCP/IP or other connection oriented transfer services. LDAP is an IETF Standard Track protocol and is specified in “Lightweight Directory Access Protocol (LDAP) Technical Specification Road Map” RFC4510. The LDAP...
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Slow or endless login to Terminal Server (TS)
October 19, 2018
Investigating the situation Sometimes the TS login process takes minutes instead of second to complete. The best point to start investigation is the debug log file. In order to start debugging create or modify the following registry value: Subkey: HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon Entry: UserEnvDebugLevel Type: REG_DWORD Value data: 0x00030002 (Hexadecimal) This value gives the most verbose...
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Encryption and Tunneling Techniques
October 18, 2018
Authentication can be performed in several different ways, including the following: ■ Something you know—Passwords ■ Something you have—Tokens, smart cards, and certifi cates ■ Something you are—Biometrics Password Authentication Password authentication typically fails for a number of reasons: The account holder loses control of the password; the password is weak, simple, and easy to guess; or the...
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Enroll your mobile device to O365 MDM
October 18, 2018
Enroll iOS device with intune https://docs.microsoft.com/en-us/intune-user-help/using-your-ios-device-with-intune Enroll android device with intune https://docs.microsoft.com/en-us/intune-user-help/using-your-android-device-with-intune...
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Wipe a mobile device in Office 365
October 18, 2018
You can use built-in mobile device management for Office 365 to do a selective wipe to remove only organizational information, or a full wipe to delete all information from a mobile device and restore it to its factory settings. What to know before you begin Full wipe: Deletes all data on a user’s...
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Chapter 14 Managing Mailboxes and mailbox content
September 21, 2018
Move mailbox You must always use the 2013 EAC or the New-MoveRequest cmdlet to move mailboxes to, or between, Exchange Server 2013 mailboxes. Do not use the old Exchange Server 2007 Move-Mailbox cmdlet to do this. The process for moving mailboxes to Exchange Server 2010/2013 databases is significantly different than it was in earlier releases....
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The quieter you become, the more you can hear !
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