Notes, fixes and guides.
Sixteen years of working notes — Linux and networking, Django and Laravel deployment, SwiftUI, AWS. Written down mostly so I can find them again.
Handling (Tar/GZip) and (Tar/Bzip2) archives
(Tar/GZip) archives end in ".tar.gz" and (Tar/Bzip2) archives end in ".tar.bz2". Bzip2 is the newer, more efficient compression method. These files can generally be automatically extracted by merely…
Install Remove and Reinstall/Reconfigure/Repair .deb packages
Debian (.deb) packages are the packages that are used in Ubuntu. You can install any .deb package in your system. .deb files can generally be installed from your…
Manage firewall in ubuntu 9.04 jaunty
Network communications go through "channels" called ports. You can restrict which ports are available ("open") for network communications, creating a barricade to unwanted network intrusion…
How to add repository keys in ubuntu
Download the gpg keys for the repositories and automatically add them to your repository keyring: Example: To obtain and add the Medibuntu repository key: wget --quiet…
How to add repositories manually in ubuntu
Do this at your own risk. Modify the default Ubuntu sources.list only if you understand what you're doing. Mixing repositories can break your system. For more information see…
Network Monitors for ubuntu: monitor your own system’s network settings
There are two types of network monitors: those that monitor your own system's network settings and those that monitor network traffic. The latter includes security tools that can…
GParted: Partition Manager (editor) for creating, reorganizing, and deleting disk partitions.
A disk device can be subdivided into one or more partitions. The GParted application enables you to change the partition organization on a disk device while preserving the…
Protect your grub by applying a password to it (grub-md5-crypt is broken)
Maybe you want the user to enter a password in order to boot the Recovery Mode or your secondary OS. You have to set that password in the…
Howto: disable beep sound in Terminal mode
Some of you may be annoyed with the beep sound in terminal.If you want to get rid of that just follow these steps:Applications -> Accessories -> Terminal Terminal…
Howto: do ‘page back’ instead of ‘page up’ when backspace is pressed in Mozilla Firefox
In Firefox, when you press 'Backspace' the default action performed is 'Page up'.You can change this to 'Previous page', just follow this for that: In the adress bar…
ubuntu and Web Publishing
Drupal (Web content publishing) Drupal is the leading open-source website creation and content collaboration tools. A modular approach to website building, from simple out-of-the-box websites to…
How to open files as root user via right click
Follow these steps to open files as root user via right clickgedit $HOME/.gnome2/nautilus-scripts/Open\ as\ root Insert the following lines into the new file for uri in…