# error # adr@adr-desktop:~$ su-to-root -X -c zenmap (gksu:24352): Gtk-WARNING **: cannot open display: adr@adr-desktop:~$ echo $DISPLAY … showing nothing … adr@adr-desktop:~$ export DISPLAY=:0.0 -> add this in .bashrc adr@adr-desktop:~$ su-to-root -X -c zenmap … now is working … # […]
Linux
Node js
# see https://nodesource.com/blog/nodejs-v012-iojs-and-the-nodesource-linux-repositories # First, you need to install the PPA in order to get access to its contents # curl -sL https://deb.nodesource.com/setup | sudo bash – curl -sL https://deb.nodesource.com/setup_0.12 | sudo bash – # then install nodejs sudo apt-get […]
Ubuntu useful software/packages
# info about package_name dpkg -l package_name sudo apt-get install git-gui (run then “git gui”) sudo apt-get install mesa-utils (see glxgears) sudo apt-get install alarm-clock-applet sudo apt-get install unity-tweak-tool -> Unity Tweak Tool sudo apt-get install compiz -> Compiz Config […]
Ubuntu: enable automatic file system check
sudo sed -i s/”#FSCKFIX=no”/”FSCKFIX=yes”/ /etc/default/rcS sudo reboot
Ubuntu: apache
# print apache version apache2 -v # install module sudo apt-get install libapache2-svn # enable apache module sudo a2enmod headers sudo a2enmod dav_fs sudo a2enmod dav_svn # disable apache module sudo a2dismod php5 # apache status systemctl -l status apache2 […]
Ubuntu: php-fpm
# see php-fpm service at /etc/init.d/php5-fpm # see configuration at /etc/php5/fpm # Any php application must be owned by www-data (php-fpm’s user) and have 770 permission set. service php5-fpm status
Ubuntu: creating an init.d service
#create then put your script (e.g. nginx) into /etc/init.d with root as user & group sudo update-rc.d nginx defaults -> loads the script sudo update-rc.d nginx enable -> enable the script to run at system sturtup/boot service nginx start -> […]
Ubuntu: login with certificate
# See also https://adrhc.go.ro/wordpress/how-to-create-a-certificate/ for how to create public-pub.openssh. # Configure server # Uncomment in /etc/ssh/sshd_config: AuthorizedKeysFile %h/.ssh/authorized_keys # public-key in openssh format cat public-key.openssh.pem > ~/.ssh/authorized_keys # Configure client # id_rsa -> mandatory name # # private-key.pem.des3.bitvise must start […]
Ubuntu & cron
# edit cron tab in order to add a new cron job for the current user crontab -e # show current cron jobs crontab -l # cron jobs saved here: sudo cat /var/spool/cron/crontabs/adr # job info sudo service cron status […]
Ubuntu swap & ram
ALT+F2 gksudo gedit /etc/sysctl.conf #append or modify (if already exists) the following: #0 .. 100 (0 = no swap) vm.swappiness=1 # http://askubuntu.com/questions/1357/how-to-empty-swap-if-there-is-free-ram # swap info swapon -s cat /proc/swaps vmstat 1 systemctl list-units –type=swap systemctl list-units | grep \.swap # […]
Ubuntu and Owncloud
# version SELECT * FROM `oc_appconfig` WHERE configkey = ‘lastupdateResult’; # data directory setup sudo touch owncloud_data/.ocdata # permissions # owner www-data is for php5-fpm which runs as www-data:www-data # group www-data is for nginx which runs with group www-data […]
Ubuntu: phpMyAdmin setup
wget https://files.phpmyadmin.net/phpMyAdmin/4.5.0.2/phpMyAdmin-4.5.0.2-english.tar.gz tar xvzf phpMyAdmin-4.5.0.2-english.tar.gz mv phpMyAdmin-4.5.0.2-english myadmin mkdir myadmin/config chown -R ************ myadmin/config /etc/php5/fpm/php.ini session.gc_maxlifetime = 3600 sudo service php5-fpm restart #save configuration created using https://adrhc.go.ro/myadmin/setup mv -v myadmin/config/config.inc.php myadmin/config.inc.php sudo chown ************ myadmin/config.inc.php rmdir myadmin/config sudo service php5-fpm […]
Ubuntu and Plex
### installation sudo apt-get install plexmediaserver ### my custom systemd setup (plex-override.conf) # # Plex Media Server – Systemd service override file # # All entries must be systemd compliant (Environrment=”var=absolute_value”) # # cp -v $HOME/bin/systemd-services/plex-override.conf /etc/systemd/system/plexmediaserver.service.d && sudo chown […]
Compiling protobuf-2.5.0 on synology
# repairing some system bugs mkdir -p ~/temp/opt/i686-linux-gnu/lib mv -v /opt/i686-linux-gnu/lib/libpthread-0.10.so ~/temp/opt/i686-linux-gnu/lib ln -s /lib/libpthread.so.0 /opt/i686-linux-gnu/lib/libpthread-0.10.so mkdir -p /usr/local/i686-linux-gnu/i686-linux-gnu/lib ln -s /opt/lib/libstdc++.la /usr/local/i686-linux-gnu/i686-linux-gnu/lib/libstdc++.la export CPPFLAGS=”-march=i686″ export CXXFLAGS=”-march=i686″ cd ~/compile wget https://protobuf.googlecode.com/files/protobuf-2.5.0.tar.gz tar xvzf protobuf-2.5.0.tar.gz cd ~/compile/protobuf-2.5.0 ~/x.sh ffpg-no-m4 ./configure –prefix=$HOME/apps […]
XPEnology
XPEnology-DSM-Change-Add-Serial-Number http://cyanlabs.net/Thread-XPEnology-DSM-Change-Add-Serial-Number XPEnology downloads http://xpenology.me/downloads/ Synology software http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/stable/ Synology bootstrap https://forum.synology.com/MediaWiki/index.php?title=How_to_Install_Bootstrap Synology gui http://192.168.1.121:5000/webman/index.cgi Cases http://www.inter-tech.de/index.php?option=com_content&view=article&id=1028%3Asy-m-208-desktop&catid=55%3Adesktop-gehaeuse&Itemid=843&lang=en http://www.tacens.es/cases/mini-towers/versa/ Windows 10 Activator | KMSPico http://windows10activatordownload.com/