Monthly Archives: September 2016

This site can’t provide a secure connection uses an unsupported protocol. ERR_SSL_OBSOLETE_CIPHER HIDE DETAILS Unsupported protocol The client and server don’t support a common SSL protocol version or cipher suite.

This is a Google Chrome move for your own good. (After version 53) Make sure your ssl.conf in apache mods does not allow old/weak protocols, have something like: SSLCipherSuite ALL:!ADH:!RC4:+HIGH:+MEDIUM:!LOW:!SSLv2:!EXPORT

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roundcube dtc – main.inc.php was not found.Please read the INSTALL instructions

check permissions for main.inc.php In case of DTC hosting this file should be readable by group dtcgrp

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Arduino: USBasp permission denied

Add file: /etc/udev/rules.d/99-USBasp.rules SUBSYSTEM==”usb”, ATTRS{idVendor}==”16c0″, ATTRS{idProduct}==”05dc”, GROUP=”uucp” Then add your user to the uucp group. And do # udevadm trigger

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Owncloud client installation Debian 8

The owncloud client in Debian 8 is too old from the Debian repositories, use the opensuse repository. Add file: /etc/apt/sources.list.d/owncloud.list deb http://download.opensuse.org/repositories/isv:/ownCloud:/desktop/Debian_8.0/ / Install the key wget http://download.opensuse.org/repositories/isv:ownCloud:desktop/Debian_8.0/Release.key apt-key add – < Release.key apt-get update http://software.opensuse.org/download/package?project=isv:ownCloud:community&package=owncloud

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search and replace string recursively in directories

text1 -> text2 from current dirctory and sub-directories: find ./ -type f | xargs sed -i ‘s/text1/text2/g’  

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