systemctl --user mask tracker-store.service tracker-miner-fs.service tracker-miner-rss.service tracker-extract.service tracker-miner-apps.service tracker-writeback.service tracker reset --hard sudo reboot reference Tracker process taking lot of CPU

以前竟然不知道，每周都要上网站手动搜索 下载网站找到rss feed url，比如https://nyaa.si/?page=rss&q=ubu

重置密码太麻烦了，所以用解密 cd /u01/app/oracle/middleware/oracle_common/common/bin ./wlst.sh domain = "/u01/app/oracle/middleware/user_projects/domains/wl_domain" service = weblogic.security.internal.SerializedSystemIni.getEncryptionService(domain) encryption = weblogic.security.internal.encryption.ClearOrEncryptedService(service) # 密文中有`\`的话，解密会报错，要去掉 # find encrptyed username and password in domainnamexxx/servers/AdminServer/security/boot.properties print encryption.decrypt("{AES}nFIptO4HdY8fxSgLjrS8ZNqsVlcB2zQZzYJQ9o7AbJU=") reference Quickest way to decrypt passwords in Oracle WebLogic Server 12c Decrypt your boot.properties

1. ORA-12505: TNS:listener does not currently know of SID given in connect descriptor add to tnsnames.ora file, and run lsnrctl reload ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVICE = DEDICATED) (SERVICE_NAME = orcl) ) ) excute alter system set local_listener = '(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))' scope = both; in sqlplus.(username sys, password, orcl as sysdba) 2. 状态: 失败 -测试

Install ‘Oracle VM VirtualBox Extension Pack’ Attaching webcam to guest OS VBoxManage list webcams VboxManage controlvm "Ubuntu 16.04.3" webcam attach .2 reference Enabling Webcam in VirtualBox Guest OS on Windows Host

针对Windows 10 version 1909 打开注册表编辑器 regedit 进入 计算机\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Window

click File > Virtual Media Manager in the main VirtualBox window Select a virtual hard disk in the list and use the “Size” slider at the bottom of the window to change its size. Click “Apply” when you’re done boot ubuntu virtual machine, use GParted to Resize reference How To Enlarge a Virtual M

windows修改右鍵“發送到”菜單&如何快速打開SendTo文件夾 右鍵“發送到”所在的文件夾 C:\Users\UserName\AppData\Roaming\Microsoft\Windows\SendTo 如何快速打開 使用shell:send

VirtualBox主机虚拟机共享剪贴板设置之后没用的问题 在设置中启用共享剪贴板之后，还要虚拟机本身安装增强功能之后才可以使用。 具体方法为：

win10中去掉资源管理器的OneDrive项目\隐藏工具栏 打开注册表编辑器，修改HKEY_CLASSES_ROOT\CLSID\{018D