# This is the main Samba configuration file. You should read the # smb.conf(5) manual page in order to understand the options listed # here. Samba has a huge number of configurable options (perhaps too # many!) most of which are not shown in this example # # Any line which starts with a ; (semi-colon) or a # (hash) # is a comment and is ignored. In this example we will use a # # for commentry and a ; for parts of the config file that you # may wish to enable # # NOTE: Whenever you modify this file you should run the command "testparm" # to check that you have not made any basic syntactic errors. # #======================= Global Settings ===================================== [global] netbios name = David workgroup = WORKGROUP server string = David wins support = true dns proxy = no hosts allow = 192.168.1. security = user map to guest = Bad User default service = global #server signing = mandatory ; Doesn't seem to work on OSX #log level = 2 log file = /var/log/samba/%m.log max log size = 50 public = yes available = yes browseable = yes only guest = yes read only = yes ; Disable printers load printers = no printing = bsd printcap name = /dev/null show add printer wizard = no disable spoolss = yes #============================ Share Definitions ============================== [ftp] comment = Public Stuff path = /var/ftp/public read only = no directory mask = 5777 create mask = 5677

Add read/write for group plugdev echo 'KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0664", GROUP="plugdev"' | sudo tee /etc/udev/rules.d/99-hidraw-permissions.rules # Check that you have the group plugdev groups # If you cannot see plugdev there, type this: sudo usermod -aG plugdev $USER # Now it should work (otherwise reboot or replug usbhid device)

Download tarball from www.teamspeak.com Untar to /home/teamspeak Add user/group teamspeak Run the init as teamspeak sudo su - teamspeak ./ts3server_minimal_runscript.sh createinifile=1 Configure ts3server.ini Make sure you can start it (then ^C to kill it) ./ts3server_startscript.sh start Create /etc/systemd/system/teamspeak.service [Unit] Description=Teamspeak server After=network.target [Service] User=teamspeak Group=teamspeak Type=forking PIDFile=/home/teamspeak/ts3server.pid ExecStart=/home/teamspeak/ts3server_startscript.sh start [Install] WantedBy=multi-user.target Test it through systemctl and then enable it sudo systemctl start teamspeak.service sudo systemctl enable teamspeak.service

Things about git which I sometimes forget Recovering from a spaghetti branch Different ways of handling when you’ve branched from a branch, which later gets merged to a branch which you also want to merge to. rebase –onto You have created CURRENTBRANCH from OLDBRANCH which later got merged into NEWBRANCH. Now you want to clean up OLDBRANCH branch to reflect the real changes based on NEWBRANCH before a pull request. ...

Links Official Guide Before you start Make sure you’ve configured /etc/makepkg.conf Download the package’s PKGBUILD-file from AUR (under View PKGBUILD under Package Actions on the right side) Making Put the PKGBUILD-file in a separate folder, maybe $HOME/tmp cd to the folder run makepkg -s a. Does it want you to install any application? Press yes b. Does it need some other package from AUR? Install that first You should now have a pkg.tar.xz-file. Run pacman -U that.file.name.pkg.tar.xz

About During the christmas of 2014 I was over at my in-laws’ place. There I found this game, where you have 9 tiles, organized in a 3x3 grid, and the goal was to swap or rotate the witches so that all witches have the correct color and orientation. At first I thought it would be really easy, but I never managed to solve it on my own, instead I wrote a small program brute-forcing the solution. ...

Starting: mongo Connect to database show dbs use local See database tables show collections db.funnytable.find() Regex db.funnytable.find( $or: [ {'name': { $regex: req.params.username, $options: 'i' }}, {'username': { $regex: req.params.username, $options: 'i' }}, {'email': { $regex: req.params.username, $options: 'i' }} ])

portsnap fetch update # Upgrade ports to newest version portmaster -ad # ALL ports portmaster -d portname # Specific port # List upgradable ports portmaster -L

Links Official Manual Example building sudo-1.8.11p1-2 # Download the source files curl -O http://ftp.de.debian.org/debian/pool/main/s/sudo/sudo_1.8.11p1-2.dsc curl -O http://ftp.de.debian.org/debian/pool/main/s/sudo/sudo_1.8.11p1.orig.tar.gz curl -O http://ftp.de.debian.org/debian/pool/main/s/sudo/sudo_1.8.11p1-2.debian.tar.xz # Extract the tarballs: tar xf sudo_1.8.11p1-2.debian.tar.xz # Creates folder sudo-1.8.11p1 tar xf sudo_1.8.11p1.orig.tar.gz # Creates folder debian # Move the debian file to the source mv debian sudo-1.8.11p1 # Cd to the folder cd sudo-1.8.11p1 # Build dpkg-buildpackage -us -uc

LaTeX Template: \documentclass[a4paper,11pt]{article} \usepackage[utf8]{inputenc} \author{Author Name} \title{This is the title} \begin{document} \maketitle \section{Section Title} Wow, text \flushleft More Text\\[10pt] Text \end{document}

Download android studio Untar it to /opt/android-studio Symlink /opt/android-studio/bin/studio.sh to /usr/local/bin/android-studio Download oracle’s java Untar it to /opt/oracle-java (Ubuntu) Symlink /opt/oracle-java to /usr/lib/jvm/default-java (Ubuntu) Symlink /opt/oracle-java/bin/java to /usr/bin/java If you have a 64-bit system, you’ll need to install 32-bit libraries: # On ubuntu sudo apt-get install lib32z1 lib32ncurses5 lib32bz2-1.0 lib32stdc++6

If you get questionmarks instead of phone name when trying to run your app, you can fix it with the following code: #! /usr/bin/env bash path="/opt/android-studio" # Path where Android Studio is installed set -e "$path/sdk/platform-tools/adb" kill-server sudo "$path/sdk/platform-tools/adb" start-server "$path/sdk/platform-tools/adb" devices If it doesn’t work the first time, try a few more times

N.B. This expects a working sendmail installation with STARTTLS Install cyrus-sasl # install cyrus-sasl2 cd /usr/ports/security/cyrus-sasl2 make install clean echo "pwcheck_method: saslauthd" > /usr/local/lib/sasl2/Sendmail.conf # install cyrus-sasl2-saslauthd cd /usr/ports/security/cyrus-sasl2-saslauthd make install clean echo 'saslauthd_enable="YES"' >> /etc/rc.conf service saslauthd start Set sendmail make flags Set the following flags in /etc/make.conf (create if it doesn’t exist) SENDMAIL_CFLAGS=-I/usr/local/include/sasl -DSASL SENDMAIL_LDFLAGS=-L/usr/local/lib SENDMAIL_LDADD=-lsasl2 Recompile sendmail Did you have the source in /usr/src? Otherwise you will need to run the following command. If you don’t use RELEASE-10, you should change that. ...

Links qmail.jms1.net BSD Handbook Sendmail.org This expects you to have netcat, perl and openssl installed Hello without TLS nc mail.server.com 25 220 mail.server.com ESMTP Sendmail 8.14.7/8.14.7; Thu, 11 Sep 2014 12:01:22 +0200 (CEST) > ehlo friendly.server.com 250-mail.server.com Hello friendly [1.2.3.4], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-8BITMIME 250-SIZE 250-DSN 250-ETRN 250-AUTH DIGEST-MD5 CRAM-MD5 250-STARTTLS 250-DELIVERBY 250 HELP > quit< 221 2.0.0 mail.server.com closing connection Hello with TLS openssl s_client -starttls smtp -crlf -connect mail.server.com:25 # ...Loads of text here... > ehlo friendly.server.com # ... Same as login without TLS (above) ... Test login $ perl -MMIME::Base64 -e 'print encode_base64("\000coolname\@iix.se\000my-password")' AGNvb2xuYW1lQGlpeC5zZQBteS1wYXNzd29yZA== # .. Log in to server with one of the above ... > AUTH PLAIN AGNvb2xuYW1lQGlpeC5zZQBteS1wYXNzd29yZA== 235 2.0.0 OK Authenticated > quit 221 2.0.0 mail.server.com closing connection Sending mail > mail from: <nospam@jms1.net> 250 ok > rcpt to: <nospam@jms1.net> 250 ok > data 354 go ahead > From: John <nospam@jms1.ne> > To: Nobody <nospam@jms1.net> > Subject: fnord > > hail eris! > . 250 ok 1113954693 qp 29052 > quit

Updated my school ubuntu ws from raring to trust and X11 stopped working. Solution (2014) sudo apt-get remove --purge xserver-xorg sudo apt-get remove --purge nvidia* sudo apt-get autoremove --purge sudo reboot #..rebooting.. sudo apt-get install xserver-xorg sudo dpkg-reconfigure xserver-xorg # NB; nothing will seem to happen sudo reboot #..rebooting.. Now reinstall your favourite graphical environmnet Solution (2021) sudo apt purge nvidia* ubuntu-drivers devices # Manual option (install the one you want, start with "recommended") sudo apt install nvidia-driver-xxx # Automatic option sudo ubuntu-drivers autoinstall sudo reboot