Software
How to reset WordPress adminstrator’s password using phpMyAdmin
Dec 13th
Its is recommended that this method of setting password is used only as last resort. Because there is a standard way of resetting password using “Lost your password?” option by which you get a mail containing newly generated random password.
WordPress saves MD5 hash of plain passwords. For thos who don’t know what is MD5, it is a digest algorithm (cryptography) that generates fixed length digest for a variable length input. So you will not see plain passwords in WordPress database. This feature ensures even the administrator user unable to know the passwords of subscribed users.
Follow the instruction given below to More >
Why KVM doesn’t work in my PC
Aug 26th
KVM requires your processor to support x86 virtualization extensions (Intel VT or AMD-V).
Intel VT and AMD-V are instruction set extensions that provide hardware assistance to virtual machine monitors. They enable full virtualization.
To quickly check if your processor can be used with KVM, try the following commands. You should see something if Intel VT or AMD-V extensions are enabled in your processor.
On Intel Processor:
cat /proc/cpuinfo | grep ^flags | grep vmx
On AMD Processor:
cat /proc/cpuinfo | grep ^flags | grep svm
If you are unsure, which processor is present in your system, you can try both the commands and you should see at More >
How to resolve “POST to /wp-admin/post.php not supported” error in WordPress
Feb 1st
Sometimes while posting in WordPress blog software, users encounter the following error and fail to submit the new post or edited post.
Method Not Implemented POST to /wp-admin/post.php not supported. Apache/2.2.0 (XenOS) Server at techpulp.com Port 80
This error is due to mod_security which is enabled on your Apache server. The mod_security helps protect your website and is called Open Source Web Application Firewall. It comes with a big set of rules against which each server request is matched to detect any hacker trying to compromise your website. In a way mod_security is very good to have it enabled as a security measure. but More >
How to disable Ads using HOSTS file in Microsoft Windows/Linux/UNIX
Jan 21st
One way of avoiding online advertisements is to redirect all requests to Ad sites to locahost so that bandwidth is well utilized. It also results in faster browsing as it eliminates Domain Name Service (DNS) requests. For this you need to define custom entries for Ad servers in system HOSTS file to redirect them to localhost (127.0.0.1). The browser first looks at the system HOSTS file for known hosts and if it doesn’t fin it there it will contact the DNS server to resolve IP address of the host name.
The Location of HOSTS file in various operating systems:
Windows 95/98/Me:
The HOSTS More >
How to create Fedora Core 6 Virtual Machine using VMWare Server
Dec 17th
If you try to install Fedora Core 6 to a virtual machine in VMWare, installer doesn’t detect the hard drive that is attached with default options. The FC6 installer throws an error saying “No Devices Found”.
To get rid of this problem, you need to select different option for hard drive during virtual machine creation. Do the following during the virtual machine creation using VMWare virtual machine creation wizard.
- In Virtual Machine Configuration page, Select Custom.
- In Guest Operating System page, select Linux and in version combo box select Other Linux 2.6.x kernel
- Select LSI Logic based SCSI hard disk.
With this option, FC6 installer will continue normally.
More >
Why special keys don’t work in VMWare virtual machine
Dec 8th
The VMWare server requires some keymaps to be defined in its configuration file in Fedora 10 to get the special keys work in virtual machines. Just add the following at the end of “/etc/vmware/config” file. The same solution might work in other distributions like Ubutnu and others.
xkeymap.keycode.108 = 0x138 # Alt_R xkeymap.keycode.106 = 0x135 # KP_Divide xkeymap.keycode.104 = 0x11c # KP_Enter xkeymap.keycode.111 = 0x148 # Up xkeymap.keycode.116 = 0x150 # Down xkeymap.keycode.113 = 0x14b # Left xkeymap.keycode.114 = 0x14d # Right xkeymap.keycode.105 = 0x11d # Control_R xkeymap.keycode.118 = 0x152 # Insert xkeymap.keycode.119 = 0x153 # Delete xkeymap.keycode.110 = 0x147 # More >
How to resolve WordPress error – Warning: preg_match(): Compilation failed: nothing to repeat at offset 1
Dec 8th
Sometimes the following warning from PHP continually repeats for about 20 times and appears on top of each page.
Warning: preg_match(): Compilation failed: nothing to repeat at offset 1 in /var/www/wp-includes/classes.php on line 104
Warning: preg_match(): Compilation failed: nothing to repeat at offset 1 in /var/www/wp-includes/classes.php on line 105
These warning messages consume all the visible space in the browser making the real content not to appear. At first sight, it appears as if only errors are shown in the browser.
This can be resolved by moving back and forth from two different Permalinks structures. First login to your WordPress as administrator and go More >
How to resolve VMWare server installation issues on Fedora Linux 10
Dec 7th
The VMWare server 1.0.7 and higher do not install on Fedora 10 smoothly. This is because of the changes in the latest Linux kernel 2.6.27.5 that is shipped along with it. But the VMWare server kernel module sources are not up to date.
You download a patch from insecure.ws site and run “runme.pl” script to apply it. The following shows exactly how to do it. Please note that you should run the script with super user privileges.
[neo@techpulp ~]$ wget -c http://www.insecure.ws/warehouse/vmware-update-2.6.27-5.5.7-2.tar.gz [neo@techpulp ~]$ tar -zxvf vmware-update-2.6.27-5.5.7-2.tar.gz vmware-update-2.6.27-5.5.7-2/ vmware-update-2.6.27-5.5.7-2/services.sh vmware-update-2.6.27-5.5.7-2/runme.pl vmware-update-2.6.27-5.5.7-2/update.c vmware-update-2.6.27-5.5.7-2/vmblock.tar vmware-update-2.6.27-5.5.7-2/update vmware-update-2.6.27-5.5.7-2/vmmon.tar vmware-update-2.6.27-5.5.7-2/vmnet.tar [neo@techpulp ~]$ cd vmware-update-2.6.27-5.5.7-2/ [neo@techpulp vmware-update-2.6.27-5.5.7-2]$ su Password: [root@techpulp vmware-update-2.6.27-5.5.7-2]$ ./runme.pl
More >
How to configure Proxy settings in Firefox Browser
Dec 5th
Open Firefox browser and open preferences window by selecting the menu as shown below. Press “Edit” in the menu bar and then press “Preferences” item in the menu.
This opens up Firefox’s preferences window. In that select “Network” tab under “Advanced” section as shown below.
Then press the “Settings” button to open “Connection Settings” window as shown in the below diagram.
If you have proxy server IP address and port number, just select “Manual proxy configuration” option and enter them in HTTP proxy and port text fields respectively. If you use exactly same proxy for all connections like HTTPS, FTP etc then select More >
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