Just after clean Debian Jessie Linux installation, you will install SSH Daemon and then you will encounter an issue when you are not able to login via SSH with root account.
$ ssh [email protected] [email protected]'s password: Permission denied, please try again.
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Error "Add-PSSnapin : The Windows PowerShell snap-in 'VeeamPSSnapIn' is not installed" while starting Veeam Powershell Snapin
Sometimes after correct installation of Veeam Powershell Snapin, attempt to load snap-in into Powershell console ends with error: Add-PSSnapin : The Windows PowerShell snap-in 'VeeamPSSnapIn' is not installed.
This problem occures because for some reason Snap-in is not got registered in Powershell. On Veeam official forums they offer many solutions like reinstalling Veeam or reboots-reinstalls of the Powershell module. In my case the following solution was found:
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As you know, Lync have its own address book (AB) that downloaded by clients. By default, the download and update process of address boook in Lync 2010/2013 triggered in first 60 minutes (random time) after program start. In our company this situation was considered as wrong, thus I had to find solution how to ensure guaranteed updating of Lync address book right after the client starts. Also, there are other issues with delta-updating of address book, like a big delays (5-10 days) after changes in Active Directory are repliacted to Lync AB.
The consequences of such behavior:
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Here is SELECT statement to find duplicates in SQL table on certain fields:
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While restoring guest files of Windows systems in Veeam (LFR restore), you may get the following error:
No Disks have been mounted. Either disks of this type aren't supported or some error occured. See log file for details.
This error might be connected to the Symantec Backup Exec installed on the same server as Veeam Backup & Replication. Also interesting, that this error occures only for LFR restore, other types of restore are not affected.
There are two possible solutions for this issue.
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Its not a secret, that DNS BL\RBL lists are the most powerful and effective mechanism of anti-spam defense at this time (2015).
How it works?
IP-address of remote host checked against one or more DNS BL lists (free for all by default). If IP-address is in the list - mail session is rejected.
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Sometimes it is necessary to determine whether there are enough channels of ground telephone lines, in case if the operator is connected to Asterisk. To collect such statistics in our company, we decided to record every minute (ideally, of course, more often) the number of active calls\channels in Asterisk to file, then plot if required.
There are two steps in the task:
- Output needed data to file in manual mode.
- Put the script into cron.
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