ssh

Keep SSH session alive while computer sleep? [closed]

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I found the answer it depends on tcp keepalive settings: For the list of available TCP settings (FreeBSD 4.8 an up and 5.4): sysctl -A | grep net.inet.tcp net.inet.tcp.keepidle – Amount of time, in milliseconds, that the (TCP) connection must be idle before keepalive probes (if enabled) are sent. net.inet.tcp.keepintvl – The interval, in milliseconds, … Read more

PuTTY configuration equivalent to OpenSSH ProxyCommand

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If you want to “jump a host”, then using “local proxy command” is an overkill. Recent versions of PuTTY have this build-in. Go to Connection > Proxy, and in “Proxy type”, select “SSH to proxy and use port forwarding”. Then specify the details of the intermediate server below (like Hostname, Port, Username, Password [or load … Read more

Unable to open X display when trying to run google-chrome on Centos (Rhel 7.5)

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You can try with Xvfb. it does not require additional hardware. Install Xvfb if you didn’t install it yet and do the following steps. sudo apt-get install -y xvfb Dependencies to make “headless” chrome/selenium work: sudo apt-get -y install xorg xvfb gtk2-engines-pixbuf sudo apt-get -y install dbus-x11 xfonts-base xfonts-100dpi xfonts-75dpi xfonts-cyrillic xfonts-scalable Optional but nifty: … Read more

ansible SSH connection fail

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You need to change the ansible_ssh_pass as well or ssh key, for example I am using this in my inventory file: 192.168.33.100 ansible_ssh_pass=vagrant ansible_ssh_user=vagrant After that I can connect to the remote host: ansible all -i tests -m ping With the following result: 192.168.33.100 | SUCCESS => { “changed”: false, “ping”: “pong” } Hope that … Read more