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---+ ランダム メモ

---++ [[http://maxima.sourceforge.net/][Maxima]]

---++ cafsubmit 
以下のエラーが出る場合、node07-13 からならOK。
<verbatim>
Using
Traceback (most recent call last):
  File "/cdf/software/dist/releases/development/bin/Linux2_SL-GCC_3_4/../../CafUtil/cdf_gui/CafSubmit.py", line 433, in ?
    sys.exit(main())
  File "/cdf/software/dist/releases/development/bin/Linux2_SL-GCC_3_4/../../CafUtil/cdf_gui/CafSubmit.py", line 169, in main
    import krb5
ImportError: /cdf/software/dist/releases/development/bin/Linux2_SL-GCC_3_4/../../CafUtil/cdf_gui/krb5module.so: undefined symbol: krb5_max_cksum
</verbatim>



---++ ssh パスなしログイン
At client,
<verbatim>
 ssh-keygen -t dsa
 Enter passphrase (empty for no passphrase):
 Enter same passphrase again:
</verbatim>
Don't put any passphrase

At remote host,
<verbatim>
 cd .ssh/
 touch authorized_keys
 chmod 600 authorized_keys
 cat id_dsa.pub >> authorized_keys
</verbatim>

---++ ^M をコードから消す
<verbatim>
 perl -i.old -npe 's/\r\n/\n/' filename.txt
</verbatim>

---++ 自分の外付けHD を pc15 につなげる
- connect USB HDD, then check by dmesg
<verbatim>
 .....
 SCSI device sdc: 976773168 512-byte hdwr sectors (500108 MB)
  sdc: sdc1 < sdc5 >
 WARNING: USB Mass Storage data integrity not assured
 USB Mass Storage device found at 2
 USB Mass Storage support registered.
 .....
</verbatim>
- check partition (with root account)
<verbatim>
 $ parted /dev/sdc print
 Disk geometry for /dev/sdc: 0.000-476940.023 megabytes
 Disk label type: msdos
 Minor    Start       End     Type      Filesystem  Flags
 1          7.844 476937.531  extended              lba
 5          7.875 476937.531  logical   ntfs
 Information: Don't forget to update /etc/fstab, if necessary.
</verbatim>
- mount (with root account)
<verbatim>
 mount -o umask=0 /dev/sdc5 /mnt/usb/
</verbatim>

---++ ファイマン図に影をつける
   1 Prepare the original diagram (png file) with root
   2 open gimp
   3 open png file
   4 copy only diagram with color selection tool
   5 open new layer and paste the diagram
   6 script-fu -> shadow drop shadow
   7 anchor the new layer
   8 select layer of "Drop shadow" and "Background"

---++ psnup でスライドを４分割
use xpdf and then print to file
<verbatim>
 psnup -l -c -4 (input file) (output file)
</verbatim>

---++ Fnal help desk 使い方
- logon to nkek23.fnal.gov
<verbatim>
 ssh nkek23.fnal.gov
 cd get-cert/
 kinit -r7d -l26h
 ./get-cert.sh -i
</verbatim>
- back to tuskuba pc (import certificate)
<verbatim>
 scp nkek23.fnal.gov:/tmp/x509up_??????.p12 .
</verbatim>
- open firefox
<verbatim>
 編集 -> 設定 -> 詳細タブ -> 証明書を表示 -> fermilab を選ぶ -> certificate を選択 -> インポート
</verbatim>

Topic revision: r2 - 2010-02-04 - 20:03:17 - JunjiNaganoma

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