A UniFi firmware update wipes everything except /data
My container had been dead since the last flash, because the flash took /usr and /var with it. The boot hook that puts it back cannot download anything.
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debian
Technitium DNS in a container on a UDM Pro Max
The UDM runs Debian and systemd, so it can run an nspawn container. What it cannot do is let that container talk to the router it is attached to.
Site to site with OpenVPN with TLS and FirewallD on Debian
So I needed to setup a site to site transport between our two datacenters, so our internal network will be able to communicate between the two datacenters easily.
Confirm before executing shutdown/reboot command on linux
I was rushing to leave and was still logged into a server so I wanted to shutdown my laptop, but what I didn't notice is that I was still connected to the remote server. Luckily before pressing...
Compiling Redis Desktop Manager on Debian
So I've used redis desktop manager in the past, but suddenly I can't use it anymore it's not compiling on debian, and there are no packages for the application. So I decided to find a way to to...
Compressing multiple files or directories with XZ and TAR
XZ is one of the best compression tools I've seen, it's compressed files so big to a fraction of their size. I've had an 16 GB SQL dump, and it managed to compress it down to 263 MB.
Debian daily backup domains with tartarus.
In a previous article we saw how to set up a backup process for tartarus, in this article we will see how we can generate backups of the data in each vhost with tartarus, the reason I do this is...
Touchpad not working on Debian after suspend/hibernate
Touchpad doesn't work after suspend/hibernate on Debian, I ran into this issue a while ago when I installed Debian on my MSI GT70 DRAGON EDITION laptop, this probably will apply for other laptops too.
fail2ban for Wordpress and Plesk
I'm hosting quite a bit of pages that run WordPress, and one of the biggest problem that I ran into is that people don't keep their WordPress or plugin installations updated.
Emergency reboot/shutdown using SysRq
As you know linux implements some type of mechanism to gracefully shutdown and reboot, this means the daemons are stopping, usually linux stops them one by one, the file cache is synced to disk.
rsyslog centralized logging
First of all logging is really important, and are a critical part of any system, they will give you insight into what a system is doing as well what happened.
Upgrade Plesk 11.5 to Plesk 12 on Debian Wheezy 7.6, fixing OpenDKIM and DK
I wanted to upgrade to the newer edition of Plesk as it has some interesting features for controlling outgoing mail that make my life easier. So I wanted to upgrade and ran into some weird issues...
RVM + GitLab on Debian
I needed to install my own GitLab on my server for my personal projects, so I don't have to use GitHub and pay for it. This will require some work, but in the end you will save some money.
KVM port forwarding with NAT network and libvirt on Debian
I needed to forward some ports from multiple KVM machines, I tried with iptables, but the problem is libvirt adds some rules of it's own, and the rules were never in the correct place so it didn't...
How to reset var folder permissions and ownership to their default in Debian
If by accident you execute a command that changes the permission or ownership of a bunch of folders or file in Debian, you are in a lot of trouble, usually the sollution is to reinstall the...
Automatic zone replication with BIND9 in Plesk 11.5 + Debian Wheezy + PHP
This tutorial is aimed at showing how to set up zone replication from a master to a slave server, without the help of the user input on Debian Wheezy with Plesk 11.5 and PHP
Setting up SPF + DK + DKIM with Postfix in Plesk 11.5 on Debian Wheezy
Shows up a detailed process on how to set up SPF + DK + DKIM with Postfix in Plesk 11.5 on Debian Wheezy, step by step, and how to test to make sure everything is working correctly
Debian Backup with Tartarus
How to backup a Debian/Ubuntu server with Tartarus, and why is this usefull for us
Hard links to a file
Describes the process of creating a hard link to file, and searching for hard links for any given file.
Upgrade libssl on Ubuntu Lucid 10.04
If you ever needed to upgrade the libssl library on your system this is how you can do it.
Creating your own local compiled packages repository
I've had the problem, I needed to create a local repository that will contain all my packages pre compiled so I can just use the apt utility that comes with Debian based systems.
Setting JAVA_HOME to proper value
There were a lot of times, when I needed to set up more than one java version.
Compile/Backport packages from source Ubuntu/Debian
I've run into several situations where the packages I want are not available on the distribution version I'm running.
Daily SVN Incremental Backup
Lately I've had a lot of repositories to deal with, so I wanted to back it up, beside doing the usual, creating a hotcopy I decided to create incremental backups of all the repositories, so we can...
Remove old kernels from debian based systems
I've always hated that there is no simple way to remove all the kernels you don't use from the Debian/Ubuntu system.