PC

How to sync Microsoft Outlook with Google Calendar and other CalDav Calendars

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For this purpose we need to use Outlook CalDav Synchronizer. Here are the features and description from developer: Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, Horde or any other CalDAV or CardDAV server. Supported Outlook versions are 2016, 2013, 2010 and 2007. Features: free and open-source software (FOSS), … Read more

CentOS 7 ACPI

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yum -y install acpid systemctl start acpid systemctl enable acpid

Windows Server 2008 PDC external time

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Internet time is hidden from control panel. As a PDC, Windows Server 2008 need to be synchronized with external source. You can select the closest NTP server from http://www.pool.ntp.org/en/ Microsoft recommends (quote from technet.microsoft.com): Click Start, and then click Command Prompt. In the Command Prompt window, type the following line, where peers is a comma-separated … Read more

Blocking spambots with SCROLLOUT F1 and fail2ban

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I asume that you have a fuly functional SCROLLOUT F1 instalation and you want to add spambot blocking feature. Ad the following line to /etc/apt/sources list deb http://ftp.debian.org/debian unstable main Then run apt-get update apt-get -t unstable install fail2ban cd /etc/fail2ban cp jail.conf jail.local Edit jail.local [postfix] enabled = true port = smtp,ssmtp filter = … Read more

How to recover ext4 from GPT partitioned disk

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Hard drive sizes had increased dramatically in last several years, but block device drivers are still outdated. For hard drives more than 1TB currently seems to be an advantage to use GPT instead of legacy MBR partition table. You can see more details at http://en.wikipedia.org/wiki/GUID_Partition_Table . One of the inevitable disadvantage of GPT is the … Read more

Clear DNS cache windows

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Operating systems affected: MicrosoftTM Windows XP, Windows Vista, Windows 7 To clear dns cache: ipconfig /flushdns To restart dnscache service: net stop dnscache net start dnscache You can also do this visually from MMC. Just type services.msc in run/search and use appropriate command in order to restart dnscache service. Benefits: could solve web browsing problems … Read more