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dynamically determine the MySQL datadir
Use:
show variables like 'datadir' - ัะพ know the directory with databases
OR
grep -i datadir /etc/mysql/my.cnf
to find out what datadir MySQL use in your system.
Use mount --move in mysql2memory.sh
The move operation.
Since Linux 2.5.1 it is possible to atomically move a mounted tree to another place. The call is
mount --move olddir newdir
or shortoption
mount -M olddir newdir
This will cause the contents which previously appeared under olddir to be accessed under newdir. The physical location of the files is not changed.
sudo mount --move /tmp/mysql2memory /var/lib/mysql
And that's all!
docker-service-exec.sh Error: No suitable container found, exit.
docker-service-exec.sh Error: No suitable container found, exit.
docker version:
Client: Docker Engine - Community
Version: 19.03.5
API version: 1.40
Go version: go1.12.12
Git commit: 633a0ea838
Built: Wed Nov 13 07:22:05 2019
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 19.03.5
API version: 1.40 (minimum version 1.12)
Go version: go1.12.12
Git commit: 633a0ea838
Built: Wed Nov 13 07:28:45 2019
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: v1.2.10
GitCommit: b34a5c8af56e510852c35414db4c1f4fa6172339
runc:
Version: 1.0.0-rc8+dev
GitCommit: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
docker-init:
Version: 0.18.0
GitCommit: fec3683
I run docker-service-exec.sh in a vm which create by docker-machine.
docker-service-exec.sh redis-failover_master /bin/shError as follow:
2020-01-09T03:22:44UTC [redis-failover_master] No suitable container found, exit.docker service ls output as follow:
ID NAME MODE REPLICAS IMAGE PORTS
wquhm14bqjje redis-failover_master replicated 0/1 redis:5-alpine
q3ym4vfk6u0a redis-failover_sentinel replicated 0/1 redis:5-alpine
qs645y4m2kiu redis-failover_slave replicated 2/2 redis:5-alpine docker ps -a output as follow(nothing):
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESsource code: docker-service-exec.sh
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