Ubuntu

kex_exchange_identification: read: Connection reset by peer

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When connecting to Ubuntu 20.04 server using SSH from a Mac computer, get an error kex_exchange_identification: read: Connection reset by peer On checking the servers log file (/var/log/auth.log), found the following error message Jul 23 06:53:34 server sshd[24147]: Unable to negotiate with 17.19.44.24 port 47280: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth] … Read more

Ubuntu Screen Recorder

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Ubuntu come with screen recorder, this can be activated with shortcut CTRL + ALT + SHIFT + R By default, it will record for 30 seconds. Video get saved in your home directory (/home/USERNAME) in webm format. If you want to increase time, you can run following command gsettings set org.gnome.settings-daemon.plugins.media-keys max-screencast-length TIME_IN_SECONDS_HERE It is … Read more

Install LAMP Server on Ubuntu/Debian

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To install LAMP (Apache, MySQL, PHP) on Ubuntu/Debian web server, run apt-get install lamp-server^ This use meta package install LAMP. If you want to remove, don’t remove the meta package as it will remove many other required packages. You need to remove packages one by one. Related Posts Apache MySQL

Uninstall Time Doctor on Ubuntu

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Time Doctor is an application to track time. To uninstall Time Doctor on Ubuntu, run sudo /bin/bash -c ‘apt purge sfproc; /bin/bash /opt/sfproc/uninstall’ Time doctor run following process root@pc8:~# ps aux | grep sfp root 7884 0.0 0.1 72848 4316 pts/1 S 09:53 0:00 sudo -H -u training /bin/bash -l -c export DISPLAY=:0; export XAUTHORITY=/run/user/1004/gdm/Xauthority; … Read more

netplan

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Ubuntu Server 20.04 set static IP with netplan Ubuntu Server 20.04 configure OVH failover IP Configure KVM Bridge Network using netplan Configure VPS IP address in OneProvider Server

Disable Native Notification on Google Chrome Ubuntu

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On Ubuntu, Google chrome had a disable native notification option. On Chrome 78, this option is removed. But you still can manually enable it. To enbale chrome notification, edit file gedit ~/.config/google-chrome/Local\ State Find “tab-hover-cards@4” Replace with “enable-native-notifications@2″,”tab-hover-cards@4” Save and exit the file. Now restart google chrome. Related Posts Google Chrome

Linux KVM Bridge network on Ubuntu

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On Ubuntu 18.04 server, first i get Ubuntu to use /etc/network/interface, by default Ubuntu 18.04 and newer use netplan. First install ifdown apt install ifupdown -y Install bridge utils and resolvconf. apt install bridge-utils resolvconf Now you can configure your network interface by editing file vi /etc/network/interface Here is my network configuration on an OVH … Read more

Install HandBrake on Ubuntu 18.04

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HandBreak is an OpenSource Video transcoder available from https://handbrake.fr. It can convert video to various format. Latest version of Handbreak available in Ubuntu PPA. To install, enable Handbreak PPA add-apt-repository ppa:stebbins/handbrake-releases Install handbreak with apt install handbrake-gtk handbrake-cli

Install Linux KVM on Ubuntu

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Linux KVM is virtualisation software that allow you to create virtual machine under linux. To install on Ubuntu, run apt install -y qemu-kvm qemu-utils Install libvirtd, this allow you to easily create KVM virtual machines and allow remote connection from virt-manager GUI application. For Ubuntu 20.04 apt install -y libvirt-daemon libvirt-daemon-system For Ubuntu 18.04 apt … Read more