Xfce Print Screen key
https://wiki.archlinux.org/index.php/Xfce#Print_Screen_key XFCE Menu –> Settings –> Keyboard >>> Application Shortcuts Add the xfce4-screenshooter -f command to use the “PrintScreen” key in order to take fullscreen screenshots.
Articles
transmission-daemon: segfaults with systemd
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742626 When installing transmission-daemon from APT on a Jessie/Sid with systemd enabled, dpkg fails with: systemctl status transmission-daemon.service: ExecStart=/usr/bin/transmission-daemon -f –log-error (code=killed, signal=SEGV) process exited, code=killed, status=11/SEGV systemd[1]: Failed to start Transmission BitTorrent Daemon. systemd[1]: Unit transmission-daemon.service entered failed state. Solution is to add path to configuration directory “-g /etc/transmission-daemon” into following file: /lib/systemd/system/transmission-daemon.service ExecStart=/usr/bin/transmission-daemon … Read more
Backup configuration on every Debian installation
The daily cron job does little bit more, actually. create gzipped tar with /etc and other named directories it creates list of extra installed packages from repositories copy backup over LAN or Internet, checks if NFS disk is mounted or remote directory exists it uses tar, cp and rsync commands You can add it to … Read more
Backup data to remote SFTP server
http://grysz.com/2011/04/04/configure-amazon-s3-backup-with-backupninja-and-duplicity/ Data backup plan: * pick desired directories with your data you want to backup * you may backup system directories of your choice (in principle /etc /root /home /usr/local /srv etc.) * optionally you may backup MySQL database Used tools (tested on Debian Jessie and Ubuntu 12.04): * BackupNinja 0.9.10 – for MySQL database … Read more
XScreenSaver without keyboard layout indicator workaround
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=644534 From: Ilya Sheershoff Subject: A workaround for keyboard layouts The following worked for me (Debian Jessie with XFCE 4.10 or Ubuntu 10.04 with GNOME 2.30): 1. Created folder: mkdir ~/.startup 2. And a file: touch ~/.startup/xscreensaver-reset-kbd-us.pl 3. Chmodded it: chmod 755 ~/.startup/xscreensaver-reset-kbd-us.pl 4. Edit (copy&paste the code below): nano ~/.startup/xscreensaver-reset-kbd-us.pl #!/usr/bin/perl my $blanked = 0; … Read more
Multisystem on Debian Jessie
If you receive strange error messages upon Multisystem installation on Debian Jessie: ./gui-detect.sh: line 432: /media/Multisystem/.multisystem-test: Permission denied cat: /media/Multisystem/.multisystem-test: No such file or directory cat: /tmp/multisystem/multisystem-laisserpasser-usb: No such file or directory cat: /tmp/multisystem/multisystem-laisserpasser-usb: No such file or directory than just edit your /etc/fstab and add following line: /dev/disk/by-label/Multisystem /media/Multisystem auto … Read more
SSH RSA fingerprint
SSH RSA fingerprint (-l means “list” instead of create a new key, -f means “filename”): ssh-keygen -lf /etc/ssh/ssh_host_rsa_key.pub
Postfix and AntiSpam Smtp Proxy – ASSP
http://www.howtoforge.com/antispam_smtp_proxy perl -MCPAN -e shell install Compress::Zlib install Digest::MD5 install Email::Valid install File::ReadBackwards install Mail::SPF::Query install Mail::SRS install Net::DNS install Sys::Syslog install Time::HiRes cd /usr/src/ wget http://downloads.sourceforge.net/project/assp/ASSP%20V2%20multithreading/2.4.1%2014085/ASSP_2.4.1_14085_install.zip unzip ASSP_2.4.1_14085_install.zip mkdir -p /usr/share/assp/spam mkdir /usr/share/assp/notspam mkdir /usr/share/assp/errors mkdir /usr/share/assp/errors/spam mkdir /usr/share/assp/errors/notspam mv -f assp/* /usr/share/assp rm -fr ASSP_2.4.1* assp changelog.txt Install.txt MacOSX-launchd.txt quickstart.txt Win32-quickstart-guide.txt chown -R … Read more
Postfix and Greylisting
http://www.howtoforge.com/greylisting_postfix_postgrey apt-get install postgrey /etc/default/postgrey POSTGREY_OPTS="–inet=<ip>:10023 –delay=60" service postgrey start /etc/postfix/main.cf smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, check_policy_service inet:<ip>:10023 service postfix reload
Wake-on-LAN (WOL)
https://wiki.archlinux.org/index.php/Wake-on-LAN http://wiki.xbmc.org/index.php?title=HOW-TO:Set_up_Wake-On-Lan_(Ubuntu) https://fitzcarraldoblog.wordpress.com/2013/02/26/how-to-prevent-a-usb-mouse-auto-suspending-in-linux-when-a-laptops-power-supply-is-disconnected/ First query the driver to see if it’s defaulted to ‘on’ by using ethtool: ethtool eth0 | grep Wake-on To enable the wol feature in the driver, simply run the following: ethtool -s eth0 wol g This command does not last beyond the next reboot. Keep WOL persistent over restarts adding command … Read more