Category: Operating System

Jun 15 2016

It time to upgrade my server from Ubuntu 14.04 LTS to 16.04 LTS

Now is June, which is two more months to end of life date is HWE August 2016. Time flies, I have been hosting my server on ubuntu OS for more than four years from the version Ubuntu 10.04.4 LTS till the current version Ubuntu 14.04.4 LTS. So it time to spend some time to upgrade to next OS …

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Apr 10 2016

Apple removed Mac login using iCloud password since OS X 10.11.4.

Recently, trying to troubleshoot a bug on my MBP, I’ve signed out from iCloud and realise iCloud login option no longer available. After some research Apple actually removed Mac login using iCloud password since the release of OS X 10.11.4, it doesn’t forcibly remove it from existing accounts, but if you turn it off, you …

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Jun 01 2015

MS Windows Server 2003 R2 SP2 Standard

This is rather an old article referring MS Windows Server 2003 R2 SP2 Standard or equivalent. Very often on manual window server update, the download might fail. The below are some command you can try stop the services and clean up the download caches. C:\Documents and Settings\Administrator>net stop WUAUSERV The Automatic Updates service is stopping. …

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Mar 21 2015

Original firmware recovery in OpenWrt CLI

Using the program mtd: cd /tmp wget http://www.example.org/original_firmware.bin mtd -r write /tmp/original_firmware.bin firmware If you want to remove DD-WRT to install OpenWRT, you should write to the device “linux” instead of “firmware”. mtd -r write /tmp/original_firmware.bin linux

Mar 15 2015

How to hide macintosh update ?

If  you are facing update that keeps repeating, try execute the below command to ignore the update that not required.   > softwareupdate -l Software Update Tool Copyright 2002-2012 Apple Inc. Finding available software Software Update found the following new or updated software: * ThunderboltFirmwareUpdate1.2-1.2 Thunderbolt Firmware Update (1.2), 134K [recommended] [restart]   > sudo …

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Mar 12 2015

How to manual edit kext in OSX 10.10 Yosemite

cd /System/Library/Extensions mv KextName.kext KextName.old  (Recommended to backup) cd /path/to/new/kext (new kext path here) cp -R KextName.kext /System/Library/Extensions Next fix the permissions so the kext can be executed by OS user (root/system) cd /System/Library/Extensions chmod -R 755 KextName.kext chown -R 0:0 KextName.kext   (Set the ownership on files to system user (root)) kextcache -m Extensions.mkext -z /System/Library/Extensions …

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Oct 18 2014

Simple steps to format SD card mounted on router using busybox

Below is a simple command to format your SD card mounted, <label> is optional to set volume label. mkfs.ext3 -L <label> /dev/sdx1 see more info here http://linux.die.net/man/8/mkfs.ext3

Oct 17 2014

Fix Ubuntu SSLv3 POODLE issue in Apache

1) Edit the file that holds the Apache SSL configuration: sudo nano /etc/apache2/mods-enabled/ssl.conf 2) Find the following line: SSLProtocol all -SSLv2 3) Add the option “-SSLv3″ so that the line will look like this: SSLProtocol all -SSLv2 -SSLv3 4) Now restart Apache to make the change effective: sudo service apache2 restart

Oct 03 2014

Ubuntu Failed to fetch

  Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise/main/source/Sources  Hash Sum mismatch The above error message can be easily resolve by just remove the content of /var/lib/apt/lists directory: sudo rm -fR /var/lib/apt/lists/* then run: sudo apt-get update

Apr 28 2014

Turn off mei_me unexpected reset

[65.456035] mei_me 0000:00:03.0: reset: connect/disconnect timeout.

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