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Hello, Need your advise to understand more about the disk IO issue. When we troubleshoot disk IO issue, how do we confirm whether the issue is occurred due to disk or application workload? which parameter we need to check from iostat output to confirm the exact reason for the slow-io? Also...

Hello, Need your advise to understand more about the disk IO issue. When we troubleshoot disk IO issue, how do we confirm whether the issue occurred due to faulty disk or application workload? which parameter we need to check from iostat output to confirm the exact reason for the io issue?

Thank you :)

Thanks for the details.

Thank you.

Hello Everyone, These concepts are little confusing.. Most of them looks same. But actually they are not. Can someone explain me to understand these concepts. Every time i am getting confused. Virtual memory, Swap memory, Paging, Heap memory, Cache, Buffer. Thanks in advance.

I created a post in a different forum. I want to know how to move/delete it.

Try to find the process which is consuming more cpu, memory. ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%cpu | head ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem | head if the issue is intermediate, try to create a script to capture the resource utilization for few hours and redirect the output to a...

if you use the same path as mount point, then you cannot view the files which is available in that path. you have to create a new mount point and mount the nfs share. So that you can view both.

yes. That's how Linux works. Before nfs mount, /clientsidedir/subdir1/subdir2/subdir3 was a local directory. You were able to see all the contents inside this path. As soon as you mount a nfs, or local file system on this mount point /clientsidedir/subdir1/subdir2/subdir3, it will mount the...

Hello All, Good day. Hope you are all doing well.. I have 6+years of experience in Linux. I am doing good at my work and got appreciated many times. But still i am not seeing myself as a LINUX SME. when i log a case with SuSE/RHEL vendor, I see that they are really good in analyzing the issue...

Thank you so much for the detailed information. This is what i was expecting. I was little confused from where to start. Also I thought java programming knowledge is mandatory to become a devops engineer. Since i am from Infrastructure operations background, i don't have much knowledge about...

Sure I will go through this article. Thank you.

Hello All, Good day. I am working as a Linux admin(SLES, RHEL). I have 5 years of experience. I am trying to move in devops team. I have knowledge about AWS, git, ansible and basics about terraform. To become a devops engineer, what and all I need to learn. I know shell scripting. is it...

Hello, when I try to update any package , it is throwing an error as "unsupported protocol https" OS : SLES 12 SP4 I have another production server with the same OS config. where it is working fine. May I know where exactly the https is disabled. No local firewall is enabled. how do I know...

Thanks @f33dm3bits and @Norky for your suggestions. I will try to implement it. Thanks again.

Thanks for the reply. Actually we are not allowed to install Ansible in our environment :( we have a admin server. from there we can connect all the other linux servers through ssh. At the time of patching , we use to take prechecks (fstab, network configuration, etc..) from all client...

Hello, Happy new year to everyone. I want to execute certain commands on multiple servers. I use to do this using a for loop. But it takes long time. For example, if I have 1000 servers, script should run the cmd on 50 servers in parallel. so that we can achieve the work fast. I don't know...

Hello All, Good day. Hope you are all doing good. I'm learning Ansible.. I have got some questions. As per my understanding, Ansible uses SSH to communicates with other remote hosts. Is there any other medium to communicate with remote hosts other than SSH. Will there by multiple Ansible...

I'm checking on SUSE Linux Enterprise Server 11 SP4 OS. iotop is not installed here. I will check if we can install iotop here. Please see the below full output of iostat -x avg-cpu: %user %nice %system %iowait %steal %idle 1.47 0.12 0.60 4.58 0.00 93.22 Device...