What are good PDF annotation tools on Linux? Preferring saving the annotation in the PDF instead of separate files or images. I find the best solution may be wine + Foxit Reader. Foxit Reader can annotate PDF files and save them. It works very well on wine. Steps to install them: Install wine # yum…
How to trap Ctrl-C in a Bash script? The piece of code: # trap ctrl-c and call ctrl_c() trap ctrl_c INT function ctrl_c() { echo echo “Ctrl-C by user” # do the jobs exit }
For example, I want to spawn many ssh background processes in one bash script: for i in `cat ./all-hosts` do ssh $i “ifconfig | grep Link” done Simply adding a & to the ssh commands does not work. Here is the script that works: for i in `cat ./all-hosts` do ssh $i “ifconfig | grep…
How to install Scala from the official Scala distribution? This is needed on a Linux release with older version of Scala in the repository, e.g. Fedora 12. Use the install-scala.sh script: # wget https://raw2.github.com/zma/usefulscripts/master/script/install-scala.sh # sh ./install-scala.sh VER where VER is the scala version that you want to install. First step, install and configure the…
I know the routing tables on Linux is in memory after being set. However, where are the routing table entries stored on disk? I mean where are the routing table is persistently stored so that the routing table can be reloaded like the iptables (under /etc/sysconfig/iptables on Fedora/RHEL/CentOS Linuxes). If the system uses the /etc/rc.d/init.d/network…
How to use OCaml as a script language like bash and python? It will be good that I can write a script in OCaml and directly invoke it. For example, I write a script named “script.ml” and then I can invoke it directly by $ ./script.ml Thanks! Three helloworld scripts: script3.ml #! /usr/bin/env ocaml print_string…
How to restore a Gnome 3 session? Which means: opening all the programs running last time when I log out in Gnome 3. If your purpose is to automatically start programs after logging in Gnome, another possible method is using the autostart script: https://www.systutorials.com/qa/119/how-to-write-a-autostart-script-for-gnome Run gnome-session-properties. In the “Options” tab, select “Automatically remember running applications…
It is painful for a Linux user to use the OCaml toplevel without the readline features. Is there a method to enable/add these kinds of features in readline to the OCaml toplevel? I find 2 options that work very well for me: utop provides a beautiful interface and supports completion, colors, parenthesis matching, etc. It…
Hi , Thank you for your recommendation for removing the canonical link for the forum page only. However, I am am not able to find the following code in the wpf.class.php and was hoping you let us know where we can find this class so that we can modify it accordingly. (Does -1260 refer to…
I want to automatically run a program when I log in gnome. How to write a autorun script for it? Here is one example: $ cat ~/.config/autostart/dropbox.py.desktop [Desktop Entry] Comment[en_US]= Comment= Exec=/home/zma/bin/dropbox.py start GenericName[en_US]= GenericName= Icon=system-run MimeType= Name[en_US]= Name= Path= StartupNotify=true Terminal=false TerminalOptions= Type=Application X-DBUS-ServiceName= X-DBUS-StartupType= X-KDE-SubstituteUID=false X-KDE-Username= To set up a new one, you…
As a WordPress user, you may have noticed that the default HTML editor lacks some of the features that you need for your content. Fortunately, you can add custom buttons to the WordPress HTML editor to make your content creation experience more efficient and productive. In this post, we will explore how to add custom…
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…
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  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.
Any good tools to synchronize home directories on Linux boxes? Many have several PC/laptops and consequently many home directories. There is home directory synchronizing problem. unison is a good tool to do this: http://www.cis.upenn.edu/~bcpierce/unison/download/releases/stable/unison-manual.html#rshmeth http://www.watzmann.net/blog/2009/02/my-homedirs-in-unison.html http://www.cis.upenn.edu/~bcpierce/papers/index.shtml#File%20Synchronization Useful script: $ unison -batch -ui text ./ /mnt/homebak/zma/ In text user interface, synchronizing two directories in batch mode…
Introduction As we know, network subsystems are important in computer systems since they are I/O systems and need to be optimized with many algorithms and skills. This article will introduce how QEMU/KVM [2] network part works. In order to put everything simple and easy to understand, we will begin with several examples and then understand…
In this tutorial, Microsoft Dynamics CRM India experts will teach you how to filter salutation based on Gender field in MS CRM. You can follow the step-by-step guide shared in this post to avail the results. Description- According to the requirement we need to filter salutation based on gender in contact entity. For this we…
Solution is very important part of Dynamics CRM. In order to deploy your customization, solution is the only bridge which help you to achieve your goal. There are two types of solutions available in CRM: Managed and Unmanaged. Managed Solutions: This is the solutions that you can import and publish only. You neither export it nor you can…
In this post, asp.net development India based professionals will explain the best way to manage the Restful service using AngularJS. They are explaining the push and pull functionality available in Rest service in simple steps. Read the article to know more. In this Post I am going explain how we can manage the Restful service…
Since version 7, RHEL has only x86-64 versions. The same thing happens to CentOS 7. In CentOS 7/EPEL, there is only package for Wine x86-64. However, many Windows .exe files are 32-bit. Even there are 64-bit versions for some software, their installation file is 32-bit. And for some certain software such as Office 2007, 32-bit…