MTU Ping
วิธีตรวจสอบค่า MTU ในบทความนี้ จะอธิบายการทดสอบหาค่า MTU ระหว่างต้นทางถึงปลายทางด้วยการใช้ command ping ดังนี้ ping -4 -M do -c 1 -s <mtu value> <destination-ip>
MTU Ping Read MoreAuthor: jason
compare two directory trees with rsync
The rsync utility first popped into my mind when I saw your question. Doing something like below could quickly show what files are in directory a but not in b: …
compare two directory trees with rsync Read Morelinux man ip command
IP(8) Linux IP(8) NAME top ip – show / manipulate routing, network devices, interfaces and tunnels SYNOPSIS top ip [ OPTIONS ] …
linux man ip command Read MoreCentOS7 Change repo end of life
Hi. CentOS 7 reached end-of-maintenance yesterday (https://blog.centos.org/2023/04/end-dates-are-coming-for-centos-stream-8-and-centos-linux-7/), and it looks like this is propagating through the mirrors. Note also that CentOS 8 Stream was archived last month and is no …
CentOS7 Change repo end of life Read MoreHow to create a delegated admin who can view account list only (Read-Only Admin)
Problem What are the steps to create a delegated admin who can view account list only (Read-Only admin). Solution Create delegated admin account with the given required AdminConsole UI component : …
How to create a delegated admin who can view account list only (Read-Only Admin) Read MoreFortigate Command CLI
Configuring Network Settings using the CLI This topic describes the steps to configure your network settings using the CLI. For details about each command, refer to the Command Line Interface …
Fortigate Command CLI Read MoreLicense Calculator for VMware Cloud Foundation, VMware vSphere Foundation and VMware vSAN. (96426)
Prerequisites: Download the attachment and extract the CSV template file and script. The script accepts a CSV file, which a CSV template file has been included to enter data for …
License Calculator for VMware Cloud Foundation, VMware vSphere Foundation and VMware vSAN. (96426) Read MoreGuest Tools Error
性能优化工具：Guest Tools (Linux) 包含以下部分：zwatch_vm_agent，node_exporter，collectd & collectd_exporter Guest Tools (Windows) 包含以下部分：zwatch_vm_agent，Windows 的 qemu-guest-agent (QGA)，virtio 以及 pvpanic 相关驱动 性能优化工具问题排查思路：windows: 1.安装时确保未加载数据盘，如果需要带数据盘进行安装，可以通过手动挂载ISO进行安装。 2.确保三层网络是否开启了DHCP、支持userdata，保证云主机正确配置IP地址，确保云主机详情页设置的操作系统正确，IP地址与云平台界面分配的IP地址一致【这里在windows中不会导致安装失败，但是会导致安装后内部监控及部分功能无法使用】。 3.检查安全组是否限制了云主机到169.254.169.254的通信。 4.可能有残留，参考下列卸载性能优化工具重新安装。 linux： 1.确保三层网络是否开启了DHCP、支持userdata，保证云主机正确配置IP地址，确保云主机详情页设置的操作系统正确，IP地址与云平台界面分配的IP地址一致。 2.云主机内部检查是否能与169.254.169.254地址通信，route -n检查云主机路由，需要包含到169.254.169.254的主机路由。 3.安装性能优化工具需要使用curl、tar等命令，若无命令会提示明显报错，安装时需要root用户权限。 4.检查安全组是否限制了云主机到169.254.169.254的通信。 性能优化工具问题汇总：问题一：云主机性能优化工具版本过低。a.重新安装性能优化工具。 b.windows带数据云盘可以手动安装性能优化工具，上传 /opt/zstack-dvd/x86_64/c76/tools/guesttools/x86_64/KVM/GuestTools-1.3.0.iso至云平台，挂载镜像到云主机进行手动安装。 …
Guest Tools Error Read MoreMSSQL Command Reference
#FOR BACKUP BACKUP DATABASE [DBNAME] TO DISK = N’D:\BackUp\Full_DBNAME_comp.bak’ WITH COMPRESSION GO BACKUP DATABASE [DBNAME] TO DISK = N’D:\BackUp\Full_DBNAME_diff.bak’ WITH COMPRESSION, DIFFERENTIAL GO #FOR RESTORE USE master; GO RESTORE DATABASE …
MSSQL Command Reference Read MoreConfigure Remote SSL VPN in FortiGate with CLI
Steps to configure Remote SSL VPN in FortiGate with CLI Create a ssl.root interface for SSL VPN Tunnel config system interface edit “ssl.root” set vdom “root” set type tunnel set …
Configure Remote SSL VPN in FortiGate with CLI Read More