Dream of Mirror Ruins

How to Setting Oracle Huagepages Parameters Oracle Database - Enterprise Edition - version 11.2.0.4.0 memlock: KB, At least 90 percent of the current RAM when HugePages memory is enabled and at least 3145728 KB (3 GB) when HugePages memory is disabled. kernel.shmmax: Byte, This parameter defines the maximum size in bytes of a single shared memory segment that a Linux process can allocate in its virtual address space. Recommended half the size of physical memory in bytes. kernel.shmal...

Patch 4547809 - Release 2 (9.2.0.8) Patch Set 7 p4547809_92080_Linux-x86-64 ・ p4547809_92080_Linux-x86-64_README Record ~]$ sqlplus "/ as sysdba"SQL*Plus: Release 9.2.0.4.0 - Production on Mon Oct 27 13:28:27 2025Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.Connected to:Oracle9i Enterprise Edition Release 9.2.0.4.0 - 64bit ProductionWith the Partitioning, OLAP and Oracle Data Mining optionsJServer Release 9.2.0.4.0 - ProductionSQL> shutdown immediateDatabase close...

Default Management Information DellEMC Product Type IP Username/Password VPLEX VS2 Service Port 128.221.252.2/255.255.255.224 service/Mi@Dim7T VNX ManagementMaintenance 1.1.1.1-2/255.255.255.0128.221.1.250-251/255.255.255.248 admin/password PowerEdge iDRAC 192.168.0.120/255.255.255.0 root/calvin Hitachi Product Type IP Username/Password HUS ManagementMaintenance 192.168.0.16-17/255.255.255.010.0.0.16-17/255.255.255.0 system/manager SVP Management 10.0.0.100/255.255.2...

Preconfig enableconfigure terminalline console 0no exec-timeoutlogging synchronousno ip domain lookuphostname save config SW1# copy running-config startup-configSW1# write erase config SW1# erase startup-configSW1# erase nvram:SW1# write erase filter strings SW1# show running-config | include 0/0SW1# show running-config | section 0/0 telnet mode SW1# conf tSW1(config)# line vty 0 4SW1(config-line)# transport input telnetSW1(config-line)# password welcomeSW1(config-line)# login

OSI 参考模型 传输层: 源端口号 2 字节，目的端口号 2 字节，SYN 和 ACK 各 1 比特 网络层: 源 IP 地址 4 字节，目的 IP 地址 4 字节，PROTOCOL 字段 1 字节 PROTOCOL 字段: 1(ICMP), 6(TCP), 17(UDP), 88(EIGRP), 89(OSPF) 数据链路层: 源 MAC 地址 6 字节，目的 MAC 地址 6 字节，TYPE 字段 2 字节 TYPE 字段: 0x0800(IPv4), 0x0806(ARP), 0x08dd(IPv6)

Beautify the Butterfly Theme Upgrade hexo versionhexo i hexo@8.0.0npm update --save NPM LIST $ npm listhexo-site@0.0.0 E:\butterfly├── hexo-abbrlink@2.2.1├── hexo-auto-category@0.2.2├── hexo-blog-encrypt@3.1.9├── hexo-deployer-rsync@3.0.0├── hexo-generator-archive@2.0.0├── hexo-generator-category@2.0.0├── hexo-generator-index@4.0.0├── hexo-generator-searchdb@1.4.1├── hexo-generator-tag@2.0.0├── hexo-pangu@0.2.3├── hexo-renderer-ejs@2.0.0├── hexo-renderer-markdown-it@7.1.1├── hexo-renderer-...

Setting Cloudflare ZeroTrust 1. 注册一个域名，将域名的 DNS 解析指向 Cloudflare 的 DNS。 2. 登录 Cloudflare，在网站中添加域名站点。 3. 在 Zero Trust - Network - Tunnels 中，创建隧道。 4. 在隧道中，创建公共主机名。 5. 下载 cloudflared 客户端，访问远程主机。 cat >~/.ssh/config <<EOFHost ssh.sakurayumeno.topProxyCommand /e/Downloads/cloudflared-windows-amd64.exe access ssh --hostname %hEOF ・ Connect with SSH through Cloudflare Tunnel My Domains Expiration date Apr 13, 2027 ・ https://dash.domain.digitalplat.org/domains/lostyu.qzz.io

Install and configure git software Setting environment git config --global user.name "username"git config --global user.email "email"cat >>/etc/profile.d/aliases.sh <<EOF# Added by sakuraalias hexoall='hexo g && hexo d && hexo clean'# End of addEOF Setting rsync Downloading the rsync and libxxhash on repo.msys2.org. /mnt/e/Downloads/libxxhash-0.8.2-1-x86_64.pkg.tar.zst/mnt/e/Downloads/rsync-3.2.7-2-x86_64.pkg.tar.zst Extract the zst file. Copy the extdir\usr\bin...

Docker Quick Commands and Tips # Fetch the logs of a containerdocker logs <container>docker logs -f <container>docker logs -f -t --since="2022-08-12" --tail=100 <container>

Overview of Oracle Database Oracle Database Documents ・ Oracle Database 9i Release 2 ・ Oracle Database 11g Release 2 | ・ Oracle Database 12c Release 2 | ・ Oracle Database 19c | ・ Oracle Database 21c | ・ Oracle Database 23ai | Physical Architecture Session 1 区 -> 2 区 -> 3 区 1 区 -> 3 区 PGA 保存用户的连接信息，如会话属性、绑定变量、用户权限等重要信息。 硬解析首次执行的 SQL 指令，生成唯一指令 HASH 值。 当发起的 SQL 指令需要排序时，如果内存空间充足，则在 PGA 中完成，如果不足，超出部分在临时表空间完成排序。 SGA Shared Pool - Library Cache 保存硬解析生成唯一 SQL 指令 HASH 值，保...