If you ever had the headache of figuring this out, I’m sure you’ll find this list of great use. Search the permissions you have and look at the conversion. Quick script to see how I got the CSV. With this, you should be able to quickly identify the right number.
Why Virtualbox… why… why do package mantainers do this to us! Well, guys, as usual, I post things that annoy me, and how to fix them. So when my horrible memory forgets how to fix a simple issue, I know I can come back to my notes and figure it out again. So, I’m typing
This Cloudmin issue drove me nuts, but then it clicked on why it didn’t work. If, for some reason, after you configure your network or your server magically, VNC stops working. The answer is as simple as your host’s file. Your hostname MUST be declared in the Hosts file (as 127.0.0.x)… After you’ve fixed that,
Luks keys… and luks encrypted drives: Warning: Always backup the LUKS header before performing any maintenance on the hard drive!. How to backup the luks header:Drive: /dev/sdb [Example] Name: /tmp/mybackup [Example] Add a LUKS key: Deckey: Would be your passphrase key for decrypting your drive [first key when setting up the encrypted drive]. Slot: Luks
Finding out information about plugged in devices in the motherboard without opening the machine. The following command should output something similar to this: Congratulations, you now know you only used two banks out of 3, and the system’s maximum allowed memory. PCI Devices: USB Devices:
How to install PDF2SWF, PDFTools in Debian. First you need the needed repositories. The first solution. Given that, not even then I got to install it, proceed and clone the master branch on Github, that seems to work perfectly fine. So the solution I found somewhere:
Many times our servers struggle to answer to connections in time, this is why we need to optimize. First we assume we have installed Virtualmin on Debian 7. Second, we assume you know some of PHP and common Linux utilities. We’ll install memcached and php5-memcache [Memcache plugin for memcached]. php5-memcache and memcached We are assuming
Disk usage: working with du command in linux. Sometimes we need to work with disk usage in Linux terminals and work with files as, for example, to find the most critical files in the system for rogue backups or files or simply contraband. Lets go with: Find folder size in human readable [Gigs, Megs, Bytes…]
Making 3D work with OpenSuse and my Intel integrated graphics. If you activate 3D acceleration yet you get a message stating that your guest does not support it… you can try this out: Add pacman to your repos! That you can actually find here: [Complete List](link is external) I won’t go into how to add them
Configuring Munin on a Debian 7 system for monitoring of server. Following we’ll install all we need to make munin service run, and be optimized to what we need to monitor. Lets install munin: Let’s enable some default plugins: Now let’s start editing the server configuration: More or less you should see something like this.