Merge multiple PDF files in Linux is easy running one simple command by using PDF Toolkit. Installation on Ubuntu > 16.04:
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apt install pdftk |
Merge multiple pdf files: In this example we have n pdf files in the same directory, each file has the prefix sample-pdf-. The command below will merge n number of pdf files, using […]
In case it happens to use Kolab with Ubuntu you might face the “kolab_smtp_access_policy exit status 1” error when sending or receiving emails! Kolab is definitely one-of-a-kind open source groupware server software out there. It’s the best! It’s so stable that can handle the day of reckoning! But after un-fucking the initial installation! Anyways … […]
Well, yeah, I was desperate to debug an app on mac OS so … You can have it run on Ubuntu host with VirtualBox. It works on other versions of Ubuntu and VirtualBox. Haven’t tested mac OS Mojave. If you try it, drop a line on the comments below to share with other desperate developers/sysadmins. […]
By using the PDF Toolkit PDFtk library you can do this simple pdf editing task and many more. For all of you creating software related to PDF documents you should really spend some time reading about PDFtk server. Installation:
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apt install pdftk |
Usage: In this example we have two pdf files with 10 pages each. The command […]
In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, at the time being, doesn’t seem to support renaming via its web interface but you can successfully do it from the command-line. Read the instructions below. Change current directory […]
![ssh refused: sshd[2444]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth] 4](https://totallynoob.com/wp-content/uploads/2016/09/ssh.png?x53357)
If you just upgraded Ubuntu 15.04/10 to Ubuntu 16.04 LTS (or otherwise upgraded OpenSSH from v6.9 to v7.0 you may be getting the ssh refusal because of changes in OpenSSH. I was specifically getting this error in the /var/log/auth.log (via Webmin): sshd[2444]: userauth_pubkey: key type ssh-dss not in PubkeyAcceptedKeyTypes [preauth]. For this specific error, you […]
Vagrant repackaging is a hacky way to create a new vagrant box from an existing one, which is already configured and well tested. In this article, scope is not to explain the benefits of using virtualization in your development workflows. As well, I’m assuming that you: already have the latest vagrant installed, hostupdater plugin and […]
Vlsub is a well-known vlc extension for downloading subtitles automatically in various languages, based on movie’ s file hash or title. The new features and bug fixes applied from previous and current version are: search subtitles for videos file inside an archive Add language automatic detection from os environment Simplified interface Add a success message […]
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go to /home/yourusername Press<em><strong> Ctrl+H</strong></em> to show hidden files and go to <strong><em>.thunderbird</em></strong>. Then, just copy it where you want. This folder holds <strong>everything, </strong>themes, addons, cached emails, email accounts with their details etc. Edit: |
If you want to recover just copy the folder into home folder. Mind permissions when you copy this folder.
One of the more controversial changes in the Ubuntu 10.04 beta is the Mac OS-inspired change to have window buttons on the left side. We’ll show you how to move the buttons back to the right.
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<strong>Before</strong> While the change may or may not persist through to the April 29 release of Ubuntu 10.04, in the beta version the maximize, minimize, and close buttons appear in the top left of a window. |
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<strong>How to move the window buttons</strong>The window button locations are dictated by a configuration file. We'll use the graphical program gconf-editor to change this configuration file. Press Alt F2 to bring up the Run Application dialog box, enter <em>gconf-editor</em>in the text field, and click on Run. The Configuration Editor should pop up. |
The key that we want to edit is in apps/metacity/general. Click on the button next to the […]
