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linux:cups [2017/02/21 09:39] – niziaklinux:cups [2019/04/13 00:08] – niziak
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 +====== Cups webinterface ======
 +[[http://localhost:631/]]
 +
 +By default it uses normal system users and their passwords (root for admin).
 +By default CUPS **@SYSTEM** group is mapped to system **lpadmin** group, so user should be added into **lpadmin** group.
 +
 +To create internal CUPS users:
 +<code bash>
 +lppaswd -g lpadmin -a username
 +</code>
 +and file **/etc/cups/passwd.md5** will be created/updated
 +
 +For more permissions look into **/etc/cups/cupsd.conf**
 +
 +====== cups-pdf ======
 +
 +<file | /etc/cups/cups-pdf.conf>
 +LogType 7
 +</file>
 +
 +Error: "failed to set file mode"
 +Issue not related to apparmor (not enabled).
 +
 +Solution:
 +  Error is generated by cups-pdf but is relative to ghostscript rights. Ghostscript seems to need full rights in its temp work dir.
 +  Setting "GSTmp /tmp" instead of "GSTmp /var/tmp" in /etc/cups/cups-pdf.conf solves the problem for me.
 +
 +
 +====== Brother DCP-7055W ======
 +
 +<code bash>
 +lpadmin -p DCP7055W -v lpd://192.168.179.1/binary_p1 -E -P /usr/share/cups/model/brother-DCP-7055W-cups-en.ppd
 +</code>
 +
 +
 ====== Samsung ML-1640 ====== ====== Samsung ML-1640 ======
 <code bash> <code bash>
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         Height of scan-area.         Height of scan-area.
  
 +</code>
 +
 +==== Issue: unable to load library libm.so  ====
 +Not possible to scan. Every software which is using ''sane'' timeouts with:
 +<code>
 +/hp-scan: common/utils.c 188: unable to load library libm.so: /usr/lib/x86_64-linux-gnu/libm.so: invalid ELF header
 +xsane: io/hpmud/jd.c 678: timeout read_channel sec=45 hp:/net/HP_LaserJet_Pro_MFP_M127fw?ip=192.168.1.107
 +xsane: http.c 189: timeout reading data sec_timeout=45
 +error: SANE: Error during device I/O (code=9)
 </code> </code>
  
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     * NodeJS based [[https://github.com/sbs20/scanservjs]]     * NodeJS based [[https://github.com/sbs20/scanservjs]]
   * [[https://sourceforge.net/projects/phpsane/]]   * [[https://sourceforge.net/projects/phpsane/]]
 +    * requires <code bash>apt-get install php-zip</code>
   * [[https://sourceforge.net/projects/sanewi/]]   * [[https://sourceforge.net/projects/sanewi/]]