All (not) Open Source

First of all, you need to save the "connection" that you want to assign a static IP Address. Then Go to "Networks and Connections". Then to "Wi-Fi Network". Then to "Saved Wi-Fi Networks". Choose  the network you want to assign a static IP Address (The Network that you have saved before). Uncheck the box next to "Automatically obtain IP address and DNS" to show the static IP Address form. Enter your networking information (IP Address, SubNet Mask,Router,  DNS). Hit the "Save and Connect" button. After this, you should connect to the network you want. I hope this guide would help.

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Every month I receive an excel file from my colleague that contains a recapitulation of employee attendance data and my coworkers insert comments in cells which provide explanations on the day an employee is absent . This of course is a very good thing because I could easily see the reason why one employee did not come to work that day. However, because of all the comments displayed , then it becomes  a mess. So  to read the comments of the adjacent cell , then I have to close the comments one by one . Actually excel has provided comments and indicator display options , which we can set it in the Excel Options. Here's how: Open Excel Options. Click on the File tab and in the left panel, then click Options. Click on Advanced menu in the left column. Scroll down to the Display section then go to "For cells with comments, show:" Select "No comments or indicators" if you want to hide all comments and...

I managed CentOs Server with Cpanel inside. One day, I receive warning like this: Your server's SSL certificate for cpanel will expire in less than 30 days. You need to install a new certificate as soon as possible. You can install a new certificate using WHM's "Manage Service SSL Certificates" interface: https://my.server. com:2087/scripts2/ manageservicecrts (Main >> Service Configuration >> Manage Service SSL Certificates). This warning is not indicate a problem in my server. This just a warning that I need to reset SSL certificate on my server. So here the solution to this warning: I Login to my server via WHM. Then I Go to "Service Configuration" menu and then to "Manage Service SSL Certificates" sub menu. I Click "Reset Certificate" button that corresponding to the service which need a new certificate. After that the self signed certificate is renewed for one year ahead. I hope the above explanation will g...

Sometimes we need to calculate year, month and day between 2 cells in  Microsoft Excel. For example, You have an employees database in excel that record the date they joined the company and then you want to know "how long each employee has worked for the company until now?" In the such above case, I do the following in Microsoft Excel 2010: I Input the "signed date" in cell C3 after "No" in cell C1 and "Full Name" in cell C2. Make sure to assign "Date" as Cell Format for Cell C3. I input =NOW() in Cell C4 and this will show the current date. And the calculation begin in cell C5. In cell C5, I put formula like this: =DATEDIF(C3,C4,"y") & " years, " & DATEDIF(C3,C4,"ym") & " months, " & DATEDIF(C3,C4,"md") & " days" And the result of the above formula is like this: 19 years, 3 months, 11 days . If you do not want to show the "day", ju...

Sometimes we need to know whether our mx records are configured correctly. How to do it in Win 7? Here are the step: Go to start button, All Program Go to accessories menu Click on Command Prompt After the Command Prompt window appear, do this: type: "nslookup" and press enter type: "set type=mx" and press enter type "the domain name which you want to check its mx configuration" All done, and you will see the result Still having problem? You can ask in the comment bellow.