Bhutan ICT

You get an orange icon alert on Microsoft Security Essential, stating " I hadn't done a scan for a while and my computer may be at risk. " even when you have done the computer scan. Such alert is shown if you are running CCleaner everyday. CCleaner is actually removing MSE history file which MSE checks to determine the last time a scan was conducted. In case you don't want to receive such alert, you can prevent ccleaner from deleting the MS Antimalware scanning file. How to prevent CCleaner from deleting MS Antimalware history file. 1. Open CCleaner 2. Under Cleaner > Applications tab > Windows 3. Uncheck MS AntiMalware

Ubuntu package/software's are can be updated using GUI tool. In case you want to do it from the terminal you have to use apt-get command. apt-get update Used to sync with package index from the source via Internet. apt-get upgrade Used to perform an upgrade to all existing installed packages apt-get install Used to install new packages on the system or upgrade existing installed system. apt-get purge Used to remove packages and configuration files.

If you encounter the following error when you run apt-get update or any command associated with apt-get like the one below E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) E: Unable to lock directory /var/lib/apt/lists / To resolve the above problem run the following commands in sequence. sudo apt-get autoremove sudo apt-get install -f

STUFF What STUFF does is, it inserts a string for the given expression of string. At a give start_position, it will start to delete the character mentioned on the length_to_delete and insert the replacement word. STUFF(expression,start_position,length_to_delete,replace_with) eg. SELECT STUFF('Younten',5,3,'10') SELECT STUFF('Younten',5,0,'10') Output: Youn10 Youn10ten REPLACE What REPLACE does is, it will replace every character in the given string. REPLACE(expression,patter,replace_with) eg. SELECT REPLACE('Younten','Y','y') SELECT REPLACE('Younten','n','N') Output: younten YouNteN

Sometime having a white listed IP group in squid is problematic due to DHCP. It works perfectly on static IP address when assigned to an individual. But if you use MAC address you need not worry about IP address. Squid configuration for IP based filter. acl AllowIP src 192.168.50 acl AllowIP src 192.168.2 http_access allow AllowIP Squid configuration for MAC based filter. Create a file in squid location. Here I have create mac.txt file under squid location i.e (/etc/squid/). acl MAC arp "/etc/squid/mac.txt" http_access allow MAC My mac.txt file would contain something like this. 00:32:1e:7d:2a:00 00:xx:xx:xx:xx:xx * MAC address under windows will be shown as xx-xx-xx-xx-xx-xx where as in Linux xx:xx:xx:xx:xx:xx Make sure that your http_access allow line is before http_access deny all, else your rule will not work.

One of the annoying things about facebook is that, every chat and messages are listed in Messages section. In order to delete you have to first open it and then select delete. So there is two steps to delete individual message or chat history. You are displayed with "x" button in the Messages section, but its function is not to delete but to archive the selected message. Google Chrome extension named " Facebook Fast Delete Messages " actually adds a new button "x" under facebook Messages section, which will delete the Message with a single click on it.

The attachments.me will provide a service which will allow you to easily attach a cloud files to your email. It currently works with Gmail and uses Google Drive, Dropbox, SkyDrive and Box.net as cloud storage. If you are using Google Chrome browser then, you can add an attachments.me extension and get it working smoothly. The extension for google chrome browser can be located from Chrome Web Store.