How to Upgrade Ubuntu

Update Release Name in Sources To start upgrading you need to change the /etc/apt/sources.list file and replace the name of your previous release with new one. So, for example if you are 20.04, replace every instance of focal with kinetic. If you currently have 22.04, replace jammy with kinetic. This process can be automated by using the following sed command: 1 sudo sed -i 's/jammy/kinetic/g' /etc/apt/sources.list Then, look in /etc/apt/sources.list.d/. Change any files in there the same way....

December 30, 2022 Â· 1 min Â· 207 words Â· Omid Farhang

How to Upgrade Ubuntu Kernel

Ubuntu by default uses LTS Kernels: Canonical provides long-term support (LTS) kernels for Ubuntu LTS releases. Canonical also provides interim operating system releases with updated kernels every 6 months. For customers and business partners that don’t have specialised bleeding-edge workloads or latest hardware needs, the latest LTS release ”-generic” kernel is the best option for them such as the 4.15 default kernel in Ubuntu 18.04 LTS. Customers who need the latest hardware support capability can install the latest HWE kernel such as the ones contained in interim releases, keeping in mind the shorter support lifespan associated with these kernels (9 months)....

December 30, 2022 Â· 2 min Â· 401 words Â· Omid Farhang

Set permanent custom resolution for Ubuntu and KDE Using Xrandr and Xsetup

After switching from Gnome and Unity to KDE, I had a problem with SDDM and it was that it could not detect correct resolution for my UltraWide monitor and set it to Full HD instead of 2560Ă—1080. I had a similar problem in Ubuntu with another old monitor. Anyway that solution is same in both cases. The solution for this problem is using Xrandr and Xsetup to set the correct resolution and make it permanent....

May 24, 2018 Â· 2 min Â· 227 words Â· Omid Farhang

Malware Prevention guide for Windows

To help secure your computer against malware: If your computer is already infected or you are in doubt, first look at the Malware Removal Guide. Build up your malware defenses Install antivirus and antispyware programs from a trusted source Never download anything in response to a warning from a program you didn’t install or don’t recognize that claims to protect your PC or offers to remove viruses. It is highly likely to do the opposite....

January 3, 2011 Â· 3 min Â· 600 words Â· Omid Farhang

Malware Removal guide for Windows

If after following this guide you failed disinfecting your computer, or you cannot follow this guide yourself, I will be available to help you. The most important thing in fighting malwares is: Do NOT Panic. Do NOT Hurry. Do NOT ignore any step in removal guide unless I tell you. This manual for removing malwares can be used for either minor or major malware infection. Download and Burn Avira Rescue CD to a blank Disc, Boot your computer using that and let it scan and remove malwares detected (How to use Avira Rescue CD?...

January 2, 2011 Â· 2 min Â· 415 words Â· Omid Farhang

Install Adobe AIR on 64-bit Ubuntu 10.10

Right now Adobe AIR is only officially available for 32-bit Linux. But it does work on 64-bit Linux with the 32-bit compatibility libraries. There are several ways to install Adobe AIR on Linux. My preferred way on Ubuntu is to use the .deb package. However the .deb package distributed by Adobe can only be installed on 32-bit systems. Good news is that this can be easily fixed! To install the Adobe AIR ....

October 17, 2010 Â· 1 min Â· 192 words Â· Omid Farhang

Check for Windows Updates

3 Step to make sure your windows is fully updated and patched to have fast, stable and secure windows: Update windows, office and other Microsoft products automatically: Microsoft Update Check for update for common windows programs: Update Checker Check if you have insecure program using Secunia

January 13, 2009 Â· 1 min Â· 47 words Â· Omid Farhang

Cleanup Windows Hard Disk

The Disk Cleanup tool helps you free up space on your hard disk to improve the performance of your computer. The tool identifies files that you can safely delete, and then enables you to choose whether you want to delete some or all of the identified files. Why Cleanup Remove temporary Internet files. Remove downloaded program files (such as Microsoft ActiveX controls and Java applets). Empty the Recycle Bin. Remove Windows temporary files such as error reports....

January 13, 2009 Â· 3 min Â· 509 words Â· Omid Farhang

How to handle suspicious e-mail

There are good reasons to be suspicious of e-mail. Some e-mail messages might be phishing scams, some might carry viruses. Images in spam e-mail might turn out to be pornographic, or to include Web beacons, which can be adapted to secretly send a message back to the sender. Follow these guidelines to help protect yourself when suspicious mail shows up in your Inbox. If you receive a phishing e-mail message, do not respond to it....

January 13, 2009 Â· 5 min Â· 885 words Â· Omid Farhang

How to recognize phishing e-mails or links

A few clues can help you spot fraudulent e-mail messages or links within them. What does a phishing e-mail look like? Phishing e-mail messages are designed to steal your identity. They ask for personal data, or direct you to Web sites or phone numbers to call where they ask you to provide personal data. Phishing e-mail messages take a number of forms: They might appear to come from your bank or financial institution, a company you regularly do business with, such as Microsoft, or from your social networking site....

January 13, 2009 Â· 4 min Â· 749 words Â· Omid Farhang