Month: July 2023

Data Domain – System Tuning Guide for Solaris 10 / Solaris 11

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How to fine tune your Solaris backup servers: Recommended mount option For Solaris 10 #mount -F nfs -o hard,intr,llock,vers=3,proto=tcp,sec=sys, timeo=1200,rsize=1048576,wsize=1048576 HOSTNAME:/backup /ddr/backup # mount -F nfs -o hard,intr,llock,vers=3,proto=tcp,sec=sys, timeo=1200,rsize=1048576,wsize=1048576 HOSTNAME:/data/col1/<mtree> /ddr/<mountpoint> For Solaris 11 #mount -F nfs -o hard,intr,llock,vers=3,sec=sys,timeo=1200,rsize=1048576,wsize=1048576 HOSTNAME:/backup /ddr/backup # mount -F nfs -o hard,intr,llock,vers=3,sec=sys,timeo=1200,rsize=1048576,wsize=1048576 HOSTNAME:/data/col1/<mtree> /ddr/<mountpoint> Recommended Network Settings: Data Domain recommends … Read more

Setup and Configure Network Aggregation Under Solaris 10 / Solaris 11

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An aggregation is similar to an IPMP link created for failover, but has other advantages: Early versions of Solaris 10 do not have this facility – you would need to download the Sun Trunking software to get it. ### Solaris 10 configuration: To show the available network interfaces: [root @ soltest]~ # dladm show-link LINK … Read more

Few Random Solaris Commands : intrstat, croinfo, dlstat, fmstat, ibv_devinfo & hotplug

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Target OS: Solaris 11 and later. Some of these commands may work on earlier versions too. -1- Interrupt Statistics : intrstat utilityintrstat utility can be used to monitor interrupt activity generated by various hardware devices along with the CPU that serviced the interrupt and the CPU time spent in servicing those interrupts on a system. … Read more

How to change the timezone of containers running in k8s

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rm -rf /etc/localtime ln -s /usr/share/zoneinfo/Asia/Tehran /etc/localtime dpkg-reconfigure -f noninteractive tzdata 2. Change the timezone via k8s mount hostPath: spec: containers: – name: nginx image: nginx ports: – containerPort: 80 name: nginx volumeMounts: – name: tz-config mountPath: /etc/localtime volumes: – name: tz-config hostPath: path: /usr/share/zoneinfo/Asia/Tehran

What is open source?

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The term open source refers to something people can modify and share because its design is publicly accessible. The term originated in the context of software development to designate a specific approach to creating computer programs. Today, however, “open source” designates a broader set of values—what we call “the open source way.” Open source projects, products, or … Read more

Gathering Statistics About Network Traffic on Links in Oracle Solaris 11

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The dlstat and flowstat commands are tools for monitoring and obtaining statistics on network traffic on datalinks and flows, respectively. These commands parallel the dladm and flowadm commands. The following table shows the parallelism between the pair of *adm commands and the pair of *stat commands and their respective functions: Command Function dladm command options User interface and tool for configuring and administering datalinks. flowadm command options User interface … Read more