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cat /sys/power/mem_sleep will return "s2idle" and "deep" values, value surrounded by square brackets will show which mode is currently activated. Probably when you observer battery drain during suspend, you will see "s2idle" highlighted. To change it do deep sleep mode use command: echo deep > /sys/power/mem_sleep To make change permanent add the following to your… Continue reading Prevent battery drain during suspend mode on Linux
To display Git branch in Bash prompt append ~/.bashrc file with following content: parse_git_branch() { git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/' } export PS1="\[\e[92m\]\u@\h \[\e[94m\]\w \[\e[95m\]\$(parse_git_branch)\[\e[00m\]$ "
Various useful commands for OpenWRT/LEDE devices: Show ethernet switch information: swconfig list swconfig dev switch0 show Updating packages: opkg update opkg list-upgradable opkg list-upgradable | awk '{ print $1 }' | xargs opkg upgrade Installing OpenVPN (with Easy-RSA) software: opkg install openvpn opkg install openvpn-easy-rsa Installing DynamicDNS client (with HTTPS nad LuCI support): opkg install… Continue reading OpenWRT - various useful commands
To set UTF-8 characters encoding in Ubuntu console put following line into /etc/environment file. LC_ALL="en_US.UTF-8" Then restart your console session.
Single line command to run SQL query on database inside Docker container running on remote host: ssh root@tinkerboard -C 'docker exec -i nextcloud-mariadb mysql -u nextcloud -p -e "SELECT * FROM oc_bruteforce_attempts;" nextcloud'