Open file in nano (or other text editor) from root user:
nano /etc/systemd/system/multi-user.target.wants/mariadb.service
Change parameters in file:
# Restart crashed server only, on-failure would also restart, for example, when # my.cnf contains unknown option Restart=always RestartSec=45s
Restart daemons:
systemctl daemon-reload systemctl restart mariadb.service
Firstly find and buy cable on aliexpress by keywords «APC Smart UPS DB9, CP2102, USB RS232, serial 9 D-Sub, cable 940-0024C, Windows 7/8/10, Mac, Linux».
Download Linux x64 from https://www.java.com/en/download/ and perform commands below from root or sudo:
tar xzvf jre-8u291-linux-x64.tar.gz mv jre1.8.0_291 /usr/lib/jvm/jre1.8.0_291 update-alternatives --install /usr/bin/java java /usr/lib/jvm/jre1.8.0_291/bin/java 1 java -version update-alternatives --config java
You can use qemu package.
apt-get install qemu
After you can check and load network block device kernel-module:
rmmod nbd modprobe nbd max_part=8
Then you connect image:
qemu-nbd -c /dev/nbd0 image.vdi
And mount (don’t forget create mount directory /media/image):
mount /dev/nbd0p1 /media/image
And unmount:
qemu-nbd -d /dev/nbd0