The built-in canonical URL function since WordPress 2.9 is great. But under some situation, it is not needed. For example, all the Mingle Forum threads’ canonical URL is set to the URL of the page that contains the [mingleforum] shortcode, which, of course, is wrong. How to diabled it? We can disabled WordPress’s Built-in Canonical…
When managing many hosts, answering 100s of “yes” can make us crazy. In a trusted environment, let ssh automatically add the new hosts to the list of known hosts and free us from typing “yes”es. How to enable it? Method 1. Passing option to ssh ssh -o StrictHostKeyChecking=no username@host Method 2. Configuring ~/.ssh/config To automatically…
By default, Vim does case sensitive search. How to make case-insensitive search in Vim? By default, Vim does case sensitive search. :set ignorecase can set Vim to conduct case insensitive search. However, it also affects substitutions, which is not we want However, how to do a case insensitive search only when it is needed? Use…
Pasting code from another application to Vim is a nightmare. The autoindent features of Vim drive you crazy. How to make it easier to use? Pasting code from another application to Vim is a nightmare. The autoindent features of Vim will drive you crazy. What help you out is the “paste mode”. To paste code…
How to enable the author information in Google search results as shown for many posts? As a post writer, we may want our authorship information to appear in search results. To do this, we need a Google+ Profile with a good, recognizable headshot as the profile photo. Then, verify authorship of our content by associating…
How to disable/delete the current keyrings on gnome? If the Gnome keyrings are not needed, or we forget the password, we can disable/delete the current keyrings. The keyrings are stored under ~/.gnome2/keyrings/ To disabled or delete current keyrings, we can simply delete this folder: rm -rf ~/.gnome2/keyrings/ Remember to backup this directory if you still…
Latex is a popular document preparation system that is widely used for creating scientific and technical documents. Compiling Latex documents on Linux is a straightforward process that requires only a few Latex packages and a set of commands. By following the steps outlined in this post, you can easily compile Latex documents on your Linux…
How to disable automatic comment insertion in Vim? Add to ~/.vimrc: au FileType c,cpp setlocal comments-=:// comments+=f:// More: http://vim.wikia.com/wiki/Disable_automatic_comment_insertion
What are the Google Chrome keyboard and mouse shortcuts for Linux and Windows? Keyboard shortcuts of Chrome can make it easier to control the browser and save our time. Here are a list of commonly used shortcuts: Ctrl+T Opens a new tab. Press Ctrl and click a link. Or click a link with your middle…
How to set up Firefox Sync? The online Firefox help provides a very good tutorial on setting up Firefox sync across computers and other devides: http://support.mozilla.org/en-US/kb/how-do-i-set-up-firefox-sync
How to export a work file to PDF in Office 2007? 2007 Microsoft Office Add-in: Microsoft Save as PDF or XPS: http://www.microsoft.com/en-us/download/details.aspx?id=7 This download allows you to export and save to the PDF and XPS formats in eight 2007 Microsoft Office programs. It also allows you to send as e-mail attachment in the PDF and XPS…
How to install noip2 on Linux to update my no-ip domain? Check the post at: https://www.systutorials.com/4677/how-to-install-noip2-on-linux/ To make noip2 service automatically update with your latest IP, add a crontab entry for root: 0 */5 * * * /sbin/service noip restart The noip2 service will be restarted every 5 minutes. When the service is restarted, it…
How to input smiley faces in iPhone? I use Emoji Free app to enable the Emoji input methods. It is quite good and enables inputing of many nice smiley faces and icons. The app from App Store: Emoji Free app.
Windows 7 64-bit fails to install on VirtualBox on Linux with status code 0xc0000225: “Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1. insert your Windows installation disc and restart your computer. 2. Choose your language settings, and click “Next.” 3. Click “Repair your Computer”….
I configured the Linux password-less automatic ssh login as in this post . However, it still does not work for me. Any method to check it? The log in log /var/log/secure may give some clue on it. For example: Aug 20 23:16:10 doppler sshd[11143]: Authentication refused: bad ownership or modes for directory /home/useraaa tells us that…
How to run Firefox on Remote Host over SSH ? After $ ssh -X remotehost Run this script on remote host: #!/bin/bash export $(dbus-launch) export NSS_USE_SHARED_DB=ENABLED firefox -no-remote & This script credits to Waxborg: http://waxborg.servepics.com/opensuse/remote-administration/running-firefox-remotely-over-ssh.
How to pass kernel parameters to Xen DomUs ? Kernel paremeter may be needed to be passed to a Xen DomU. For example, when the DomU fails to boot and we want to check it in ‘single’ mode. We can simply start the DomU with the “extra=” syntax. For example, to add ‘single’ to the…
How to convert a ps file to a pdf file that is available for publish (embedded fonts, etc)? Convert the file.ps ps file to file.pdf: $ ps2pdf -dPDFSETTINGS=/printer file.ps file.pdf</pre> Embedding Fonts in PDFs with pdflatex by Jeffrey P. Bigham: http://www.manticmoo.com/articles/jeff/programming/latex/embedding-fonts-with-pdflatex.php
How to prevent Chrome from closing itself after I close the last tab? This is a feature I want to have. This is a feature I want to have. Last Tab Standing plugin plays the trick: https://chrome.google.com/webstore/detail/last-tab-standing/dlopnnfglheodcopccdllffcijjeenkj If the last tab is closed, this extension stops Chrome from closing and instead opens the New…
How to set the global user name and user email for git? We may be asked to set our global user name and user email if it is the first time that we use git on a machine: Your name and email address were configured automatically based on your username and hostname. Please check that…