Get-ADUser -Filter {attribute -like 'Yes'} -Properties * | select attribute1, attribute2, attribute3, attribute4, attribute5, attribute5, attribute6 | Export-Csv -path 'd:\edu4.csv' -Encoding unicode
The attributes after the select are exported in the csv file.
In order to create a remote powershell session to 365, open Windows Powershell and run below commands:
$UserCredential = Get-Credential
and enter your 365 credentials when prompted.
Then type:
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
Import-PSSession $Session -DisableNameChecking
To add required smtp address:
Set-UnifiedGroup -Identity "Group Name" -EmailAddresses: @{Add ="[email protected]"}
To promote as a primary smtp address:
Set-UnifiedGroup -Identity "Group Name" -PrimarySmtpAddress "[email protected]"
To remove the old address from the group:
Set-UnifiedGroup -Identity "Group Name" -EmailAddresses: @{Remove="[email protected]"
To end your Exchange Online Powershell session:
Remove-PSSession $Session
usoclient StartScan
When replacing a failed hard disk from the GUI you get the following error:
“Unable to GPT format the disk ada…”.
From the command line:
sysctl kern.geom.debugflags=0x10
dd if=/dev/zero of=/dev/ada3 bs=512 count=1
WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows.
Download Link can be found here .
Long Path Eraser (LPE) is a free tool that allows deleting files and folders with too long paths, that you cannot delete manually. Long Path Eraser automatically deletes the folder you selected, including all its files and subfolders, regardless of their path length (even if they are in a network folder).
To delete all email in the queue from a specific email address run this command as root:
postqueue -p | tail -n +2 | awk 'BEGIN { RS = "" } /[email protected]\.com/ { print $1 }' | tr -d '*!' | postsuper -d -
Go to the directory and run the following command:
find . ! -newermt 2013-11-22 ! -type d -delete
Open PowerCLI and connect to your vcenter server:
Connect-VIServer vCenterServerName
To get a list of all VM Snapshots for VMs managed by vCenter you can type the following command:
get-vm | get-snapshot | format-list
Zabbix requires Apache-Mysql-PHP stack to be installed in order to run. You can follow this previous post.
Let’s download and install Zabbix
rpm -ivh http://repo.zabbix.com/zabbix/2.4/rhel/7/x86_64/zabbix-release-2.4-1.el7.noarch.rpm yum install zabbix-server-mysql zabbix-web-mysql zabbix-agent
We have to edit timezone in /etc/httpd/conf.d/zabbix
php_value date.timezone Europe/Athens service httpd restart
Create a database or Zabbix
mysql -u root -p create database zabbix character set utf8; grant all privileges on zabbix.* to 'zabbix'@'localhost' identified by 'password'; flush privileges; exit
mysql -u zabbix -p zabbix < /usr/share/doc/zabbix-server-mysql-2.4.3/create/schema.sql mysql -u zabbix -p zabbix < /usr/share/doc/zabbix-server-mysql-2.4.3/create/images.sql mysql -u zabbix -p zabbix < /usr/share/doc/zabbix-server-mysql-2.4.3/create/data.sql
Edit /etc/zabbix/zabbix_server.conf to set up zabbix database credentials
Start the zabbix-server process
service zabbix-server start systemctl enable zabbix-server.service
Finally add the necessary firewall rules for snmp and zabbix agent
firewall-cmd --permanent --add-port=161/udp firewall-cmd --permanent --add-port=10051/tcp firewall-cmd --reload
Windows agent
Download from:
http://www.zabbix.com/download.php
Unpack and copy to C:\
edit conf/zabbix_agentd.win.conf and add serverip under ‘Passive’ mode
Rename file to zabbix_agentd.conf
Run from command propmt in C:\install_dir –> zabbix_agentd.exe –install