Currently reading articles under Linux

Install R in Ubuntu

UBUNTU 16.04

Option 1:

sudo apt-get install -y r-base r-base-dev libcurl4-openssl-dev libssl-dev build-essential

Option 2 (to get newer R version):

with PPA. ref digitalocean

apt install apt-transport-https

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB65171......

Linux init after installation

PROBLEMS

empty/black screen

If screen blacked out after 1st reboot, the problem is gfxmode $linux_gfx_mode in grub.

Solutions: (for many servers, see solution 3 directly.)

Temporarily delete by pressing "shift" during boot and "e" (edit).

For permernent effect, oficial soluti......

Force Ubuntu desktop Boot into Text Console Mode

Tested in ubuntu deskop 16.

SOLUTION

sudo cp /etc/default/grub /etc/default/grub.bak && \

sudo sed -ie 's/GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="text"/g' /etc/default/grub && \

sudo sed -ie 's/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX="te......

Completely Automatic Unattended Install of Ubuntu

OBS 1: this works only for ubuntu server edition, not desktop version. tested in ubuntu 16 x64.

OBS 2: remember to change some parts to real values, near: # modify to real value !!!

OBS 3: my version need some files in .iso file: "10_linux" & "sources.list".

Warn: the default......

Setup Remote Access (VNC) of Linux Servers

Tested in Ubuntu 16.04 desktop Gnome+Unity in Vmware.

OBS: pure server will automatically start X in reboot and will lack of something, e.g. Default Terminal etc.

FIREWALL

TCP port 5900+N (N is monitorId, starts from 1.)

TIGHT.VNC AS SERVER

TightVnc allows us to start from a server without X11 a......

Nix Linux Distribution Comparison, Timeline and Relationship

It seems I forgot some relationship in Nix Distributions, so here is a note, including the categories (but not limitted to):

Debian, Ubuntu, Mint ...

RedHat, CentOS, Fedora ...

Slackware, Suse, OpenSuse ...

Arch, Antergos ...

Choosing a Distribution