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)、 ...
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...
You’re lucky if you plug your printer in, and it works immediately. I’ll explain how to do it correctly in this step-by-step tutorial. 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 prin...
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 ...
Hi, tltr: Due to a mix of used Technics CUPS failed to resolve a beforehand discovered printers host name and reported and error that it's "Unable to connect to "NPI2EEE6B.local:631": Name or service not known". While submitting this iss...
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...
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...
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. ...
Describe the bug Somewhere between 58a1abd and 2057814, cups lost its ability to print using ipps:// end points (in my case an HP DeskJet 4100 printer). Instead it flags the error "The printer is not responding". Using the ipp:// endpoin...
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...