Programmer Think

Resource Links: Tesseract has two important github connections: https://github.com/rmtheis/tess-two https://github.com/tesseract-ocr/tessdata tesseract uses: 1. Add a dependency compile'com.rmtheis:tess-two:8.0.0'(this should be familiar with) 2. Download the corresponding font library from the link to the second tessdata above, crea ...

1. Install ntp We recommend that NTP services (especially Ceph Monitor nodes) be installed on all Ceph nodes to avoid clock drift failures. For details, see Clock. sudo yum install ntp ntpdate ntp-doc // yum -y install ntpdate ntp vim /etc/ntp.conf server ntp1.aliyun.com iburst systemctl restart nt ...

Environmental preparation Deployment environment System version: CentOS Linux release 7.4.1708 (Core) ceph version: ceph 12.2.13 (luminous) Hardware configuration: 5 VMS, 1 core and 1G memory. Each node role machine should mount at least one free disk for osd Server role host name IP role admi ...

Article Directory Introduction What is CephX? Naming rules for CephX Default user Who was the ancestor of CephX? CephX usage scenarios MON OSD Client Detailed caps Introduction to MON privileges r Permissions w Permissions x Permissions *Permissions profile osd permissions OSD Recovery process fo ...

When the cluster capacity or computing resources reach a certain limit, the cluster needs to be expanded, which can be divided into two main operations:1. Vertical expansion: adding disks to existing nodes will increase capacity and keep cluster computing performance unchanged;2. Horizontal expansion: adding new nodes, including disk, memory a ...

Installing Cent OS7 System Installation Steps SkippedTopological connection:Preparations before installation1. Modify the host name; change the host name to the corresponding host name in the figure above.[root@localhost ~]# vim /etc/hostname2. Update the hosts file on the host and parse the host name with the following IP.192.16 ...