tips:ubuntu:xenial [Galileo Labs]

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====== Xenial ======

===== bootable USB =====

Create usb bootable from iso
<code>
cp xenial.iso xenial-copy.iso
isohybrid xenial-copy.iso
dd if=xenial-copy.iso of=/dev/sd?
</code>

===== ssh =====

See https://www.gentoo.org/support/news-items/2015-08-13-openssh-weak-keys.html

Re-enable ssh-dss key in /etc/ssh/sshd_config
<code>
PubkeyAcceptedKeyTypes=+ssh-dss
</code>

~/.ssh/config
<code>
Host *
  PubkeyAcceptedKeyTypes=+ssh-dss
  HostkeyAlgorithms=+ssh-dss
  KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
</code>

===== post install =====

disable non needed packages
<code>
sudo apt-get -y remove modemmanager
</code>

must
<code>
sudo apt-get -y install pigz vim inxi iftop htop xclip
</code>

unity must
<code>
sudo apt-get -y install compizconfig-settings-manager compiz-plugins indicator-multiload
</code>

non free
<code>
sudo apt-get install ubuntu-restricted-extras
sudo apt-get install linux-firmware-nonfree
</code>

java
<code>
sudo apt-get install default-jre icedtea-plugin
</code>

for skype indicator
<code>
apt-get install sni-qt:i386
</code>

kernel backport
<code bash>
sudo add-apt-repository ppa:canonical-kernel-team/ppa
sudo apt-get update
</code>

===== diodon =====

<code>
sudo add-apt-repository ppa:diodon-team/daily
sudo apt-get update
sudo apt-get install diodon unity-scope-diodon
</code>

For GNOME/Unity this can be done by opening Keyboard app through the Dash/Activities overview. There you go to Shortcuts -> Custom Shortcuts and add a new one with the name “Diodon” and command “/usr/bin/diodon”. Afterwards assign your preferred hotkey and you are done.


===== terminology =====

<code>
sudo add-apt-repository ppa:enlightenment-git/ppa
sudo apt-get update
sudo apt-get install terminology
</code>

===== stacer =====

https://github.com/oguzhaninan/Stacer/releases
===== owncloud =====

[[https://software.opensuse.org/download/package?project=isv:ownCloud:desktop&package=owncloud-client|here]]

===== nodejs =====

<code>
sudo apt-get install python-software-properties
curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -
sudo apt-get install nodejs
</code>

===== WIFI hack after suspend/resume =====

/etc/pm/sleep.d/12_wifi (chmod +x)
<code>
#!/bin/bash
case $1 in
    "resume")
    iwlist scan
    ;;
esac
</code>


===== Epson L355 =====

After installing linux drivers I had to make this symbolic link
<code>
ln -s /lib64/ld-linux-x86-64.so.2 /lib64/ld-lsb-x86-64.so.3
</code>

with gnome shell
<code>
cp /opt/epson-inkjet-printer-201207w/ppds/Epson/Epson-L555_Series-epson-driver.ppd.gz /usr/share/cups/model/
lpinfo -v
lpadmin -p EpsonL355 -m Epson-L555_Series-epson-driver.ppd.gz -v dnssd://EPSON%20L355%20Series._pdl-datastream._tcp.local/ -E
</code>
===== NAC =====

edit  /etc/NetworkManager/system-connections/UNIVR to add password field as below
<code>
[802-1x]
altsubject-matches=
eap=peap;
identity=scpsfn29
phase2-auth=mschapv2
password=...
</code>

===== Routeros Mikrotik =====

Xenial support by default RSA ssh keys but mikrotik > 6.31 has to be enabled
<code>
/ip ssh set strong-crypto=yes
</code>

===== Maintenance =====

Purge old kernels (install byobu package before)
<code>
purge-old-kernels
</code>

===== ASUS UX305U =====

==== intel firmware ====

  * https://01.org/linuxgraphics/intel-linux-graphics-firmwares

<code bash>
cd /tmp
wget https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2 
tar xvjf sklgucver61.tar.bz2 
cd skl_guc_ver6_1/
sudo ./install.sh --install

cd /tmp
wget https://01.org/sites/default/files/downloads/intelr-graphics-linux/kbldmcver101.tar.bz2 
tar xjvf kbldmcver101.tar.bz2
cd kbl_dmc_ver1_01/ 
sudo ./install.sh --install 

sudo update-initramfs -u -k all
</code>
==== brightness ====

<code bash>
apt install xdotool
</code>

<file /etc/default/grub>
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi="
</file>

create keyshorcuts on
<code>
xdotool key XF86MonBrightnessUp
xdotool key XF86MonBrightnessDown
</code>