some commands that may be helpful:

  • disable touch pad: xinput set-prop "SynPS/2 Synaptics TouchPad" "Device Enabled" 0

  • compiling with including root libraries: g++ `root-config --cflags` -I${ROOTSYS}/include prog.C `root-config --libs`

  • find big files on your system: ls -lahS $(find / -type f -size +10000k)

  • gluing together pdf files: gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.pdf file2.pdf

  • extracting single ps page: psselect -p 3

  • modify firefox newtab: type url about:config and search for browser.newtab.url; some possible values about:blank, about:home, about:newtab

  • how to get Internet Explorer at CERN : login to lxplus, type rdesktop -g 1280x1024 cernts, choose "switch user", login with cern\ and the lxplus password

  • attaching gnu debugger to athena: run the job options with --debug init , when it stops set breakpoint with br toolOfInterest.cxx:LineOfInterest , hit enter , type c to continue and hit enter , once the breakpoint is reached commands like n (next), list or where can be used

  • in case of /usr/bin/xauth: error in locking authority file /home/user/.Xauthority try to remove the lock files /home/user/.Xauthority-c and /home/user/.Xauthority-l if they are present
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Topic revision: r5 - 2018-03-12 - JochenMeyer
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