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
Tag: How to
How to set up Firefox Sync?
Posted onHow 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
SmIley faces in iPhone
Posted onHow 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.
Office 2007: Save as PDF or XPS
Posted onHow 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
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How to install noip2 on Linux
Posted onHow 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
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Run Firefox on Remote Host over SSH
Posted onHow 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.
Xen: Passing kernel parameters to DomUs
Posted onHow 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
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How to convert a ps file to a pdf file
Posted onHow 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
Prevent Chrome closing after closing the last tab
Posted on 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
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Git: changing global user name and user email
Posted onHow 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
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How to find Linux absolute path for a relative path
Posted onHow to find Linux absolute path for a relative path in Linux? We may need the absolute path on Linux when we only know the relative path. The readlink command does the trick. To find out the absolute path for a relative path, e.g. ./: $ readlink -f ./
Installing Dropbox on Linux
Posted onHow to install Dropbox on Linux ? Just follow Dropbox’s instruction here: https://www.dropbox.com/install?os=lnx A quick command for 64-bit Linux: $ cd ~ && wget -O – “https://www.dropbox.com/download?plat=lnx.x86_64” | tar xzf – Use the dropx CLI: http://www.dropboxwiki.com/Using_Dropbox_CLI Download dropbox.py: $ wget -O ~/bin/dropbox.py “https://www.dropbox.com/download?dl=packages/dropbox.py” Set the permissions: $ chmod +x ~/bin/dropbox.py Start Dropbox: $ dropbox.py start Status:
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SEEK_HOLE and SEEK_DATA: efficiently archive/copy large sparse files
Posted onHow to efficiently archive a very large sparse file, say 1TB? The sparse file may contains a small amount of data, say 32MB. SEEK_HOLE and SEEK_DATA The SEEK_HOLE/SEEK_DATA functionalities play the trick and makes `tar` and `cp` handle the large sparse file very efficiently. `lseek` with `SEEK_HOLE` returns the offset of the start of the
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How to search bad blocks on a device?
Posted onIf I have a disk with bad blocks, how to search bad blocks on it under Linux? You can use ‘badblocks’: https://www.systutorials.com/docs/linux/man/8-badblocks/ badblocks [ -svwnf ] [ -b block-size ] [ -c blocks_at_once ] [ -e max_bad_blocks ] [ -d read_delay_factor ] [ -i input_file ] [ -o output_file ] [ -p num_passes ] [
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How to install the MATE fork of Gnome 2 on Fedora 17?
Posted onI miss Gnome 2. How to install the MATE fork of Gnome 2 on Fedora 17? MATE is already included into Fedora 17’s repository and is an official feature of Fedora 18. To install MATE on Fedora 17 # yum install @mate-desktop To install softwares usually needed: # yum install mate-media mate-screensaver mate-system-monitor mate-power-manager mate-utils
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Managing LVM
Posted onAny tutorials or tips on how to manage LVM? LVM provides a flexible and easy way to management storage disks on Linux. It also provides a set of tools for management. Here are some tutorials and references for managing LVM: LVM man pages: https://www.systutorials.com/docs/linux/man/8-lvm/#lbAL Manage Disk Volume in Linux: http://www.hongkedavid.com/blog/disk_volume.html LVM with Xen: https://www.systutorials.com/b/linux/tag/lvm/ Remove missing phyiscal volumes
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How to test the connections between Linux hosts/servers?
Posted onHow to easily and quickly test the connection between two nodes on Linux? This should be specific to protocol and port. We can use nc (netcat) to test the connection between two servers. For example, to test whether TCP port 1048 can be used on the server (IP 10.0.3.48 as an example) side: On the server: $
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Mmaping Memory Range Larger Than the Total Size of Physical Memory and Swap
Posted onIn Linux, mmap() is a system call that is used to map a portion of a file or device into the memory of a process. This can be useful for a variety of purposes, such as memory-mapped I/O, shared memory, and virtual memory management. However, when mapping a large range of memory that is larger
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How to find hard links to a file
Posted onHow to find hard links to a file in Linux? To find out all hard links to file1: $ find /home -xdev -samefile file1 Read more: http://linuxcommando.blogspot.com/2008/09/how-to-find-and-delete-all-hard-links.html
Where Does Evolution Save Its Data and Configuration Files on Linux?
Posted onEvolution is a great personal information management tool that provides Email, address book and calendar tools. Evolution provides many enterprise friendly feature such as native support to Microsoft Exchange connectivity for Emails, address books and calendars. Evolution uses various ways including plain files and dconf configuration systems. This post will give an introduction to the
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