Error while using port forwarding on SSH : Cannot assign requested address
You can force the use of IPv4 on the commandline with the -4 switch:
ssh -4 -L 8080:127.0.0.1:80 dev.local
References
https://www.electricmonk.nl/log/2014/09/24/ssh-port-forwarding-bind-cannot-assign-requested-address/
https://www.putorius.net/force-ssh-client-to-use-ipv4-or-ipv6.html
# Keys need to be only readable chmod 400 ~/.ssh/id_rsa
Keys need to be read-writable chmod 600 ~/.ssh/id_rsa
References
https://stackoverflow.com/questions/9270734/ssh-permissions-are-too-open-error
build.gradle
tasks.named("bootJar") {
archiveName = "$baseName.$extension"
}
References
https://stackoverflow.com/questions/53123012/spring-boot-2-change-jar-name
https://docs.spring.io/spring-boot/docs/current/gradle-plugin/reference/htmlsingle/#packaging-executable.jars
sudo nano /etc/fstab
Edit the mounting options for your partitions by adding the text noatime and nodiratime to the lines defining your root (/) and other partitions if you have them (/home)
# / was on /dev/sda2 during installation UUID=587e0dc5-2db1-4cd9-9792-a5459a7bcfd2 / ext4 noatime,nodiratime,errors=remount-ro 0 1 # /home was on /dev/sda3 during installation UUID=2c919dc4-24de-474f-8da0-14c7e1240ab8 /home ext4 noatime,nodiratime,defaults 0 2
References
https://askubuntu.com/questions/1400/how-do-i-optimize-the-os-for-ssds
make sure that the SSD in your computer supports TRIM
sudo hdparm -I /dev/sda # or sdb
Find “Data Set Management TRIM supported”.
Clean up the root partition of the SSD
sudo fstrim -v /
References
https://www.maketecheasier.com/enable-trim-for-ssd-in-ubuntu/
curl https://api.cloudflare.com/client/v4/ | json_pp
References
https://mkyong.com/web/how-to-pretty-print-json-output-in-curl/
https://manpages.ubuntu.com/manpages/trusty/man1/json_pp.1.html
curl --connection-timeout 5 https://reqbin.com/echo
curl https://reqbin.com/echo -A "ReqBin Curl Client/1.0"
References
https://reqbin.com/req/c-ekublyqq/curl-user-agent
curl -H "Origin: https://example.reqbin.com" https://reqbin.com/echo
References
https://reqbin.com/req/c-taimahsa/curl-cors-request
curl https://reqbin.com/echo/get/json -H "Accept: application/json"
References
https://reqbin.com/req/c-vdhoummp/curl-get-json-example