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.
← Articles
Linux
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...
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.
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...
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.
Maintaining multiple version of a software
Describes the process of maintaining multiple version of Eclipse on your linux machine
Wireshark No Interfaces
How to fix the issue with Wireshark not showing any interface in linux?
Buliding lftp from source with OpenSSL libraries
How to build the best ftp client for linux?
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.
Compile qt 4.8.4 on Ubuntu 10.04 Lucid
Download the full installation from qt 4.8.4, and un-compress the file onto a separate directory.
Intel Wireless N Cards
I've had a lot of problems with the Intel wireless cards, when connecting to Wireless N Routers.
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.
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.