Agent guest trouble

H

haiwan

Active Member
Apr 23, 2019
234
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HTML: 
root@pvehk:~# qm guest exec 108 / bin / ping 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “/” (Permission denied)'
root@pvehk:~# qm guest exec 108 /bin/ping 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “/bin/ping” (Permission denied)'
we read this url https://forum.proxmox.com/threads/q...qemu-vmid-agent-exec-how-to-send-array.58800/
and test failed.
please give me guide. tks
 
Hi,

haiwan said:
/bin/ping” (Permission denied)'
Click to expand...

Weird! ping is permission denied, please see if you have permission to execute ping, or see your id
qm guest exec 108 '/bin/id'

or try with way please /bin/ping
qm guest exec 108 -- /bin/ping -c 1 8.8.8.8
 
Moayad said:
Hi,



Weird! ping is permission denied, please see if you have permission to execute ping, or see your id
qm guest exec 108 '/bin/id'

or try with way please /bin/ping
qm guest exec 108 -- /bin/ping -c 1 8.8.8.8
Click to expand...
Moayad
tks. let me try
 
Moayad said:
Hi,



Weird! ping is permission denied, please see if you have permission to execute ping, or see your id
qm guest exec 108 '/bin/id'

or try with way please /bin/ping
qm guest exec 108 -- /bin/ping -c 1 8.8.8.8
Click to expand...
still reply this
root@pvehk:~# qm guest exec 108 -- /bin/ping -c 1 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “/bin/ping” (Permission denied)'
 
Moayad said:
what the output of this command qm guest exec 108 '/bin/id' ?
Click to expand...
Code: 
root@pvehk:~# qm guest exec 108 -- /bin/ping -c 1 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “/bin/ping” (Permission denied)'
root@pvehk:~# qm guest exec 108 -- ./bin/ping -c 1 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “./bin/ping” (Permission denied)'
root@pvehk:~# qm guest exec 108 '/bin/id'
{
   "exitcode" : 0,
   "exited" : 1,
   "out-data" : "uid=0(root) gid=0(root) groups=0(root) context=system_u:system_r:virt_qemu_ga_t:s0\n"
}
root@pvehk:~#
 
Moayad said:
Please post output the fallowing commands:

pveversion -v
qm config 108
Click to expand...
Code: 
root@pvehk:~# pveversion -v
proxmox-ve: 6.1-2 (running kernel: 5.3.10-1-pve)
pve-manager: 6.1-3 (running version: 6.1-3/37248ce6)
pve-kernel-5.3: 6.0-12
pve-kernel-helper: 6.0-12
pve-kernel-5.3.10-1-pve: 5.3.10-1
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.0.2-pve4
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10
libknet1: 1.13-pve1
libpve-access-control: 6.0-5
libpve-apiclient-perl: 3.0-2
libpve-common-perl: 6.0-9
libpve-guest-common-perl: 3.0-3
libpve-http-server-perl: 3.0-3
libpve-storage-perl: 6.1-2
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve3
lxc-pve: 3.2.1-1
lxcfs: 3.0.3-pve60
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.1-1
pve-cluster: 6.1-2
pve-container: 3.0-14
pve-docs: 6.1-3
pve-edk2-firmware: 2.20191002-1
pve-firewall: 4.0-9
pve-firmware: 3.0-4
pve-ha-manager: 3.0-8
pve-i18n: 2.0-3
pve-qemu-kvm: 4.1.1-2
pve-xtermjs: 3.13.2-1
qemu-server: 6.1-2
smartmontools: 7.0-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.2-pve2
root@pvehk:~#
Code: 
root@pvehk:~# qm config 108
agent: 1,fstrim_cloned_disks=1
bootdisk: scsi0
cores: 2
ide2: local:iso/CentOS-7-x86_64-DVD-1611.iso,media=cdrom
memory: 4096
name: testagent
net0: virtio=D6:6F:FF:84:5C:BD,bridge=vmbr0,firewall=1,rate=2
numa: 0
ostype: l26
scsi0: local-zfs:vm-108-disk-0,size=32G
scsihw: virtio-scsi-pci
smbios1: uuid=c6dde6f1-3f86-4f88-865b-daade5578905
sockets: 2
vmgenid: e80a221e-e5eb-4d16-bb63-b7c3e10d33b1
root@pvehk:~#
 
Thank you,

everything is ok, i would to say you need to run this command setenforce 0 in CentOS as root then try again

Bash: 
qm guest exec 108  -- /bin/ping -c 2 8.8.8.8


I hope this helps :)
 
Moayad said:
Thank you,

everything is ok, i would to say you need to run this command setenforce 0 in CentOS as root then try again

Bash: 
qm guest exec 108  -- /bin/ping -c 2 8.8.8.8


I hope this helps :)
Click to expand...
root@pvehk:~# qm guest exec 122 -- /bin/ping -c 2 8.8.8.8
Wide character in die at /usr/share/perl5/PVE/RESTHandler.pm line 860.
Agent error: Guest agent command failed, error was 'Failed to execute child process “/bin/ping” (Permission denied)'
 
Moayad said:
Please post output of this command:
cat /etc/sysconfig/qemu-ga
Click to expand...
hi have give me more guide?
tks
root@Taiwan:/etc# qm guest exec 100 -- /bin/ping -c 2 8.8.8.8
Agent error: Guest agent command failed, error was 'Failed to execute child process "/bin/ping" (Permission denied)'
 
Hi,

I tested here works already just setenforce 0 on the VM and do qm guest exec this is my output:

Bash: 
qm guest exec 131  -- /bin/ping -c 2 8.8.8.8

{

   "exitcode" : 0,

   "exited" : 1,

   "out-data" : "PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=15.5 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=15.1 ms\n\n--- 8.8.8.8

ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 1001ms\nrtt min/avg/max/mdev = 15.184/15.348/15.513/0.205 ms\n"                                             

}
 
Moayad said:
Hi,

I tested here works already just setenforce 0 on the VM and do qm guest exec this is my output:

Bash: 
qm guest exec 131  -- /bin/ping -c 2 8.8.8.8

{

   "exitcode" : 0,

   "exited" : 1,

   "out-data" : "PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=15.5 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=15.1 ms\n\n--- 8.8.8.8

ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 1001ms\nrtt min/avg/max/mdev = 15.184/15.348/15.513/0.205 ms\n"                                           

}
Click to expand...
great. tks
we test ok.
root@Taiwan:~# qm guest exec 100 -- /bin/ping -c 2 8.8.8.8
{
"exitcode" : 0,
"exited" : 1,
"out-data" : "PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=0.775 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=0.843 ms\n\n--- 8.8.8.8 ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 1000ms\nrtt min/avg/max/mdev = 0.775/0.809/0.843/0.034 ms\n"
}
root@Taiwan:~#

so we have get about how to use qm guest exec config ip address. tks .we still no how to work .
 
haiwan said:
so we have get about how to use qm guest exec config ip address. tks .we still no how to work .
Click to expand...

this depends on the distribution/OS you're running in the VM, since they have different implementations (networkmanager, systemd-networkd. /etc/network/interfaces, and so on..)

cloud-init can be used to configure networking for VMs though, which would work simpler..

otherwise you can try writing scripts for each distro to configure network, and call that script with arguments via `qm guest exec`
 
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Reactions: Moayad
oguz said:
this depends on the distribution/OS you're running in the VM, since they have different implementations (networkmanager, systemd-networkd. /etc/network/interfaces, and so on..)

cloud-init can be used to configure networking for VMs though, which would work simpler..

otherwise you can try writing scripts for each distro to configure network, and call that script with arguments via `qm guest exec`
Click to expand...
now we all test in centos 7 . so have wish give me a demo let me study.
tks oguz
 
haiwan said:
great. tks
we test ok.
root@Taiwan:~# qm guest exec 100 -- /bin/ping -c 2 8.8.8.8
{
"exitcode" : 0,
"exited" : 1,
"out-data" : "PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=0.775 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=0.843 ms\n\n--- 8.8.8.8 ping statistics ---\n2 packets transmitted, 2 received, 0% packet loss, time 1000ms\nrtt min/avg/max/mdev = 0.775/0.809/0.843/0.034 ms\n"
}
root@Taiwan:~#

so we have get about how to use qm guest exec config ip address. tks .we still no how to work .
Click to expand...
so you complete use qm guest exec config ip? how to do it?
 
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