How to setup OpenVPN with bridging on OpenWRT

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http://wiki.openwrt.org/doc/howto/vpn.openvpn opkg update opkg install openvpn openvpn-easy-rsa Or if you prefer configure openvpn via GUI: opkg install luci-app-openvpn /etc/easy-rsa/vars export EASY_RSA="/etc/easy-rsa" export OPENSSL="openssl" export PKCS11TOOL="pkcs11-tool" export GREP="grep" export KEY_CONFIG=`/usr/sbin/whichopensslcnf $EASY_RSA` export KEY_DIR="$EASY_RSA/keys" echo NOTE: If you run ./clean-all, I will be doing a rm -rf on $KEY_DIR export PKCS11_MODULE_PATH="dummy" export PKCS11_PIN="dummy" export KEY_SIZE=1024 export CA_EXPIRE=3650 … Read more

Samba server and client configuration in Debian

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http://www.debianhelp.co.uk/samba.htm http://julien.herbin.ecranbleu.org/samba_client_howto/ Samba server configuration apt-get install samba samba-client Check an smb.conf configuration file for internal correctness. testparm Look what services are available on a server. smbclient -L //server -U username /etc/samba/smb.conf [global] workgroup = WORKGROUP server string = %h server (Samba %v) dns proxy = no log file = /var/log/samba/log.%m max log size = … Read more

HOWTO: NFS Server/Client

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http://ubuntuforums.org/showthread.php?t=249889 I found using NFS just as easy if not easier than using Samba for sharing between a few of my Unix based systems. In order to share a folder it only required a single line in a configuration file under /etc/exports, and a single line under /etc/fstab on the client to mount the share … Read more

How to install Linux Mint from the USB stick

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http://community.linuxmint.com/tutorial/view/744 Using the Terminal It is really simple. Go to a Terminal and type: sudo dd if=~/Desktop/linuxmint.iso of=/dev/sdx oflag=direct  bs=1048576 Where ‘~/Desktop/linuxmint.iso’ is the name and location of your downloaded image (located at the desktop in this example) and ‘/dev/sdx’ is the target USB drive. If your system doesn’t support ‘oflag=direct’, you can just leave it … Read more

SSH Server configuration

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Change following settings: /etc/ssh/sshd_config Port 22 Protocol 2 PermitRootLogin no RSAAuthentication yes PubkeyAuthentication yes PermitEmptyPasswords no X11Forwarding yes UsePAM yes UseDNS no

Set up the Firewall Using UFW

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http://1000umbrellas.com/2010/04/29/how-to-set-up-the-firewall-using-ufw-on-ubuntu-lucid-lynx-server Today I learned a different way to configure the firewall on my Ubuntu / Debian Server: the ufw command. UFW stands for “Uncomplicated FireWall” and it’s just that. It provides a simpler interface to add or remove firewall rules to iptables, the default Linux firewall. It’s installed on Ubuntu Server by default. To set … Read more

Setup CUPS (Common UNIX Printing System) Server and Client in Debian

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http://www.debianadmin.com/setup-cups-common-unix-printing-system-server-and-client-in-debian.html The Common UNIX Printing System™, or CUPS, is the software you use to print from applications like the web browser you are using to read this page. It converts the page descriptions produced by your application (put a paragraph here, draw a line there, and so forth) into something your printer can understand and … Read more

Gallery 3 installation / upgrade in Ubuntu

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Installation aptitude install apache2 mysql-server-5.1 su – www-data cd /var/www/user wget http://downloads.sourceforge.net/gallery/gallery-3.0.4.zip unzip gallery-3.0.4.zip mv gallery3 gallery rm gallery-3.0.4.zip cd gallery mkdir var chmod 777 var exit mysql -u root -p SHOW DATABASES; SELECT User FROM mysql.user; CREATE DATABASE `user-gallery3`; CREATE USER `user-gallery`; SET PASSWORD FOR 'user-gallery' = PASSWORD('mysecretpassword'); GRANT ALL PRIVILEGES ON `user-gallery3`.* TO … Read more

Generate certificate StartSSL for virtual hosts in Apache

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Generate certificate StartSSL for virtual hosts in Apache openssl req -new -newkey rsa:2048 -nodes -out /etc/ssl/user.zviretnik.csr -keyout /etc/ssl/private/user.zviretnik.key -subj "/C=CZ/ST=cs/L=Praha/O=/CN=user.zviretnik.eu" chmod 640 /etc/ssl/private/user.zviretnik.key https://www.startssl.com/ copy StartSSL certificate to: touch /etc/ssl/user.zviretnik.cer Show content of CSR: openssl req -in user.zviretnik.csr -noout -text

Repair splash screen of Ubuntu or Linux Mint

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Quick Tip: Fix for Ugly Plymouth themes in Ubuntu / Mint http://www.ubuntugeek.com/quick-tipplymouth-themes-in-ubuntu-10-04-lucid-lynx.html Quick tip for those having trouble with their splash screens in Ubuntu / Mint. To change the default splash screen: sudo update-alternatives –config default.plymouth sudo update-initramfs -u To fix the delayed loading of the splash: sudo -s echo FRAMEBUFFER=y >>/etc/initramfs-tools/conf.d/splash update-initramfs -u