cups Unable to add printer: forbidden /var/log/cups/error 日志如下 Returning HTTP Forbidden for CUPS-Get-Devices (no URI) from localhost 故障分析:最早以为是配置文件的权限问题,后来发现是用户没有权限。 操作系统ubuntu server cups版本 2.4.2 解决方法1:usermod -a -G lpadmin user(你的用户名)、 ...
在使用 HTTPS 协议无法连接到 Web 界面后,如果日志包含 Unable to encrypt connection: Error while reading file 错误,请验证私钥和服务器证书文件的名称。 其他资源 如何配置 CUPS 在 RHEL 中使用 CA 签名的 TLS 证书 (红帽知识库) 第3 章在 web 界面中授予管理权限,...
ipptool: Unable to connect to"192.168.1.1"on port631- Connection timed out 请在打印机设置页面查看是否打印机拥有ipp打印功能; ipp功能是否启用; 服务器与打印机能否正常通讯。 root@CUPS:~# ipptool -tv ipp://192.168.1.2:631/ipp/print get-printer-attributes.test|grep -E"ipp-versions-supported|doc...
在使用 HTTPS 协议无法连接到 Web 界面后,如果日志包含Unable to encrypt connection: Error while reading file错误,请验证私钥和服务器证书文件的名称。 其他资源 如何配置 CUPS 在 RHEL 中使用 CA 签名的 TLS 证书(红帽知识库) 第3 章在 web 界面中授予管理权限,以管理 CUPS 服务器 ...
您的客户端需要支持Avahi主机名解析,否则客户端可能报错称“找不到打印机”("Unable to locate printer")。详情请参考avahi#Hostname resolution。 使用网页操作界面 用浏览器访问CUPS管理页面:http://localhost:631 点击页面上方的Administration按钮, 在Printer下选择“add printer”,将会自动检测已连接的打印机。如果...
3.1.4 All jobs are "The printer is not responding" 3.1.5 The PPD version is not compatible with gutenprint 3.2 Other 3.2.1 CUPS permission errors 3.2.2 HPLIP printer sends "/usr/lib/cups/backend/hp failed" error 3.2.3 hp-toolbox sends an error, "Unable to communicate with device" 3.2...
CUPS service doesn't seem to start, or starts very slowly in RHEL Root Cause Delay in CUPS starting up can be due to a DNS failure when connecting to the DNS server. If the connection to the DNS server times out, that can cause a five-second delay every time a printer is loaded. ...
The easiest way to install a printer on Raspberry Pi OS is to turn it into a print server. CUPS is a service that can be used to install printers and share them on the network. This works for almost all printers.
printer = ""; SendDbusMessage (device_uri, printer, EVENT_PRINT_FAILED_MISSING_PLUGIN, user_name, job_id, title); BUG("unable to set device=%s, err=%d\n", svalue, r); //<===这里 status = -1; } else { /* OfficeJet LX is not very unique, do separate check here. */ if...
port-monitor=name – The specified port monitor must be listed in the printer’s PPD file. printer-error-policy=name – Sets the error policy to be used when the printer backend is unable to send the job to the printer. printer-is-shared=true/false – Sets the printer to shared/publishe...