Jerry/menhera.sh
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James Swineson 2019-04-09 17:41:06 +08:00
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README.md
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@ -32,22 +32,16 @@ I am not responsible for bricked devices, dead HDDs and SSDs, unreplied tickets,
1. If you use SSH to connect to the server, make sure you can log in directly as root using SSH 1. If you use SSH to connect to the server, make sure you can log in directly as root using SSH
1. run the script, and follow the instructions 1. run the script, and follow the instructions
`menhera.sh` will try to download a new rootfs into the memory, replace the old rootfs and kill all processes reading the old rootfs. The old rootfs will be mounted to `/mnt/oldroot`. An example filesystem structure after running `menhera.sh` on my test VPS: `menhera.sh` will try to download a new rootfs into the memory, replace the old rootfs and kill all processes reading the old rootfs. The old rootfs will be mounted to `/mnt/oldroot`. An simplified example filesystem structure after running `menhera.sh` on my test VPS:
``` ```
root@localhost:~# findmnt root@localhost:~# findmnt
TARGET SOURCE FSTYPE OPTIONS TARGET SOURCE FSTYPE OPTIONS
/ overlay overlay rw,relatime,lowerdir=/tmp/menhera/newrootro,upperdir=/tmp/menhera/newrootrw,workdir=/tmp/menhera/overlayfs_workdir / overlay overlay rw,relatime,lowerdir=/tmp/menhera/newrootro,upperdir=/tmp/menhera/newrootrw,workdir=/tmp/menhera/overlayfs_workdir
├─/sys sysfs sysfs rw,nosuid,nodev,noexec,relatime ├─/sys sysfs sysfs rw,nosuid,nodev,noexec,relatime
│ ├─/sys/kernel/security securityfs securityfs rw,nosuid,nodev,noexec,relatime
│ ├─/sys/fs/cgroup tmpfs tmpfs ro,nosuid,nodev,noexec,mode=755
│ │ └─/sys/fs/cgroup/...
│ └─/sys/kernel/debug debugfs debugfs rw,relatime
├─/proc proc proc rw,nosuid,nodev,noexec,relatime ├─/proc proc proc rw,nosuid,nodev,noexec,relatime
├─/dev udev devtmpfs rw,nosuid,relatime,size=1014856k,nr_inodes=253714,mode=755 ├─/dev udev devtmpfs rw,nosuid,relatime,size=1014856k,nr_inodes=253714,mode=755
│ └─/dev/...
├─/run tmpfs tmpfs rw,nosuid,noexec,relatime,size=205236k,mode=755 ├─/run tmpfs tmpfs rw,nosuid,noexec,relatime,size=205236k,mode=755
│ └─/run/lock tmpfs tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k
├─/mnt/oldroot /dev/md0p1 ext4 rw,relatime,discard,data=ordered ├─/mnt/oldroot /dev/md0p1 ext4 rw,relatime,discard,data=ordered
└─/tmp tmpfs tmpfs rw,relatime └─/tmp tmpfs tmpfs rw,relatime
└─/tmp/menhera tmpfs tmpfs rw,relatime └─/tmp/menhera tmpfs tmpfs rw,relatime