Linux: Disable Bluetooth on startup
In /etc/rc.local add:
service bluetooth stop
Related cards:
Thinkpad: Disable Bluetooth on start-up
Add the following to /etc/rc.local:
(sleep 3 && echo disable > /proc/acpi/ibm/bluetooth)&
Bluetooth icon will be active for a few seconds, then turn gray.
Manage Linux services on the command line (Ubuntu)
Ubuntu 18.04 uses systemd to manage services.
There are basically two commands for listing all services and manipulating the state of a certain service: service and systemctl:
-
servicemanages System V init scripts -
systemctlcontrol...
Sun Java JVM/JRE on Ubuntu Linux
Note that you should disable the Java plug-in in your browsers after installation.
Ubuntu >= 12.04
Java 11
sudo a...
Postgres: DISTINCT ON lets you select only one record per ordered attribute(s) for each group
-
To retrieve only unique combinations of the selected attributes: You can omit rows, where all selected columns are equal with the
DISTINCTstatement. - To retrieve the group wise maximum of certain columns: You can keep only one record fo...
Insert an ndash and other special characters using the Compose key on Linux
Although you can access many symbols using the AltGr key you may be missing some, like the en-dash (–) or em-dash (—). You can use a compose key for them instead...
One cause for "iptables: No chain/target/match by that name" on Ubuntu
I couldn't successfully execute a simple iptables command and got this error on an Ubuntu server:
# /sbin/iptables -I INPUT ....
iptables: No chain/target/match by that name
The cause was that two modules weren't loaded: `xt_multipor...
Make Type 1 fonts (.pfb/.pfm) appear in OpenOffice on Ubuntu Linux
When you install Type 1 fonts (like makandra's corporate typeface), they won't show up in OpenOffice. OpenOffice requires some additional files to process them. Stefan Gründel [found out what to do](http://sgruendel.blogspot.com/2007/10/installing...
Files open with an error "the location is not a folder" after installing XFCE
When using gnome-open (i.e. double-clicking a file, telling to browser to open a download, etc.) on Ubuntu you may get this error:
The location is not a folder.
It's due to the exo-utils package which [does not play nice with gnome-open]...
Install or update Chromedriver on Linux
Option 0: Download from the official page (preferred)
- Open https://googlechromelabs.github.io/chrome-for-testing/
- In Section "Stable" > chromedriver / linux64 > Download ZIP from URL
- Take the
chromedriverbinary from the ZIP file and ...