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No. I want to access all VMs from one laptop.

I want to open 3 VMs in Virtualbox at one laptop. And 2 VMs in Virtualbox in another laptop. I don't want to use bridged adapter. Without bridged adapter, how do I connect these 2 VMs with each other? I am ready to buy new tools if that comes for cheap in Nepal. By cheap I mean something less...

I wonder. There is an internal URL that our application needs which: when curled sends "empty reply from server" when ping "no response.....as it's disabled" telnet works How do I test how much time is it taking at various times of the day to send response? Any guidance will be appreciated.

Obviously. It exists. logrotate -d works flawlessly.

Any guidances?

It works fine when I check the config though.

/path/to/logs/*.out { su server server daily copytruncate missingok rotate 7 compress dateext dateformat -%Y-%m-%d } /path/to/logs2/*.log{ su server server daily copytruncate missingok rotate 7...

The problem is battery is dead and doesn't even charge and laptop can't run at all. I guess the laptop will run even if I take out the battery and just plug a charger?

Ok issue has been resolved by adding correct IP address in /etc/hosts. But why did this occur? What is bind process? And why would glassfish check /etc/hosts file? Can you tell me the internal workings of glassfish (for being a good sysadmin)?

Jan 22 21:41:46 worker-node-1 systemd[1]: Starting GlassFish Server v4.1... Jan 22 21:42:15 worker-node-1 java[1043]: The domains directory /home/techyman/glassfish4/glassfish/domains Jan 22 21:42:15 worker-node-1 java[1043]: contains multiple domains. Please specify a domain. Jan 22 21:42:15...

I can't sell it as nobody will buy it. I've invested a lot in that laptop. Bough 1TB crucial SATA 2.5'' SSD for 13,500 local currency.(for reference, my current monthly salary is 28,000 local currency). Bought 8GB ram to make it 16GB for 4,000. And replaced battery two times in 2 years...

This is not a specific question as per se. Please bear with me. I've consulted chatgpt as well and google as well, I'll put down my points here. A server linux running k3s,docker. crashed. Restarting it fixed the issue. :) Now, how do I troubleshoot why it happened? Is there anything I can do...

When I come to my office network from home network or the reverse of it, and assume my VM in virtualbox is connected to internet, the problem that occurs is that the VM doesn't open at all. It just shows black screen. Generally this gets fixed by changing the mac address like shown below. But...

I've decent knowledge of bash scripting. I don't know sed, awk but I know basic bash. Now, I want to do a marathon of LPIC-101 exam questions on bash scripting. What's the best way to do it in your opinion? Most of it looks to me very unpractical but tricky questions. Is there a better approach...

If a remote host connected to a server via VPN is not able to ping the server, how'd you determine if the issue is with VPN at "server side" or VPN at "client side"?

My issue is I won't be able to simulate real world scenarios that happens. I can't explain but I hope you understand. (I am not getting words).

https://devopscube.com/list-linux-networking-troubleshooting-and-commands-beginners/ I want to understand how each of these commands will be useful for network troubleshooting, how can I learn?

Does it exist? Is there curated list of issues that comes in network troubleshooting presented in a book or a dedicated course?

# Script #!/bin/bash given_path=/home/techyman/glassfish4/glassfish/domains excluded_folder=x for each in $(ls $given_path); do if [ "$excluded_folder" = "$each" ]; then echo "This is x" continue else echo "this is not x" cd $given_path/$each/logs...

If I write an application that sends mail, I just need smtp server right?