成为超级用户或同等角色。
角色包含授权和具有一定权限的命令。有关角色的更多信息,请参见《系统管理指南:安全性服务》中的“配置 RBAC(任务列表)”。
要在使用 IPP 时获取有关打印机的信息,可以键入:
# lpset -a printer-uri-supported=ipp://server/printers/server queue |
要查看打印机的返回输出,可以键入:
# lpstat -p test -l |
# lpset -a printer-uri-supported=ipp://server/printers/test test # lpstat -p test -l printer test disabled since Fri Nov 03 11:48:53 2006. available. new printer Form mounted: Content types: application/postscript Description: Connection: Interface: /usr/lib/lp/model/uri PPD: /usr/lib/lp/model/ppd/system/foomatic \ /HP/HP-Color_LaserJet_4600-Postscript.ppd.gz On fault: write root After fault: continue Users allowed: (all) Forms allowed: (none) Media supported: Letter A4 11x17 A3 A5 B5 Env10 EnvC5 EnvDL EnvISOB5 EnvMonarch Executive Legal Banner required Character sets: (none) Default pitch: Default page size: Default port setting: Options: |