checksum file with sha256sum
sha256sum telo.txtoutput : string checksum256nya telo.txt
sha256sum telo.txtoutput : string checksum256nya telo.txt
SP and Triggers only : time mysqldump -uroot -ppass –routines –no-create-info –no-data –no-create-db –skip-opt dbndm2 > dbndm2-sp-and-trigger-only_2021-09-10.sql Row data only :time mysqldump -uroot -ppass –skip-triggers dbndm2 > dbndm2-data-without-sp-and-trigger_2021-09-10.sql
ssh-keygen scp /home/system/.ssh/id_rsa_box_contoh user@servertujuan:/home/system di server tujuan :cat /home/system/.ssh/id_rsa_box_contoh > /home/system/.ssh/authorized_keys
sudo adduser telosudo usermod -aG sudo telo #check sudo exists on user telogroups telo sudo visudotelo ALL=(ALL) NOPASSWD: ALL
ip -s -h link 1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 RX: bytes packets errors dropped overrun mcast 251k 1.82k 0 0 0 0 TX: bytes packets errors dropped carrier collsns 251k 1.82k 0 0 0 0 2: ens32: mtu 1500 qdisc noop state… Read More »
sudo mysql_secure_installationpasswordnya : mautauajaRemove anonymous users? (Press y|Y for Yes, any other key for No) : yDisallow root login remotely? (Press y|Y for Yes, any other key for No) : yRemove test database and access to it? (Press y|Y for Yes, any other key for No) : yReload privilege tables now? (Press y|Y for Yes,… Read More »
dari computer local ssh ke server database, untuk didump ke local komputer kita : ssh system@ip-server-mysql-yg-mau-di-dump “mysqldump -uroot -ppasswordnya dbname | gzip -9” > file-local-dbname.sql.gz
Compress :gzip nama-fileakan terbuat nama-file.gz, file yg asli terdelete, gunakan -k jika ingin file yg lama tetap ada Compress setiap file didalam folder : gzip -r foldername Decompress :gunzip nama-file.gzorgzip -dk nama-file.gz
sudo vi /etc/systemd/system/coba.service [Unit] Description=aplikasi coba [Service] User=system WorkingDirectory=/home/system/coba ExecStart=/home/system/coba/coba.sh Restart=always [Install] WantedBy=multi-user.target Reload the service files to include the new service.sudo systemctl daemon-reload Start your servicesudo service coba start To check the status of your servicesudo service coba status To enable your service on every rebootsudo systemctl enable coba To disable your service on… Read More »
sudo swapoff -asudo swapon -a Check swappiness : cat /proc/sys/vm/swappiness(default ubuntu 60) Change swappiness : temporary : sudo sysctl vm.swappiness=10 permanent : sudo vi /etc/sysctl.confadd/change linevm.swappiness=10