mloop / uloop output
- Ed_P
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mloop / uloop output
How does one suppress the screen output of the mloop and uloop commands? I've tried "2>/dev/null" and "2>&1 &" to no avail.
Ed
Re: mloop / uloop output
Try this:
Code: Select all
&>/dev/null
-
- Full of knowledge
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Re: mloop / uloop output
A variation: 8)
Code: Select all
oot@porteus:/home/guest# w=$(mloop $r/x86_64/modules/003-lxde.xzm)
root@porteus:/home/guest# ls /mnt/loop
etc/ home/ opt/ usr/ var/
root@porteus:/home/guest# ls /mnt/loop/usr/
bin/ doc/ include/ info/ lib64/ libexec/ man/ sbin/ share/ src/
root@porteus:/home/guest# w=$(uloop)
oot@porteus:/home/guest# ls /mnt/loop
root@porteus:/home/guest#
Linux porteus 4.4.0-porteus #3 SMP PREEMPT Sat Jan 23 07:01:55 UTC 2016 i686 AMD Sempron(tm) 140 Processor AuthenticAMD GNU/Linux
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
- Ed_P
- Contributor
- Posts: 8368
- Joined: 06 Feb 2013, 22:12
- Distribution: Cinnamon 5.01 ISO
- Location: Western NY, USA
Re: mloop / uloop output
Perfect. Thank you.fulalas wrote:Try this:Code: Select all
&>/dev/null
Bogomips wrote:A variation:
................................
-edit-
Code: Select all
guest@porteus:~$ w=$(mloop /mnt/sda6/porteus3.2/changes/porteussave.dat)
Password:
mount: wrong fs type, bad option, bad superblock on /dev/loop14,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
guest@porteus:~$ ls /mnt/sda6/porteus3.2/changes/
porteussave.dat*
guest@porteus:~$
Code: Select all
Cmdline: quiet BOOT_IMAGE=/porteus3.2/vmlinuz from=/ISOs/Porteus-CINNAMON-v3.2.2-x86_64.iso volume=33 reboot=cold changes=EXIT:/porteus3.2/changes/porteussave.dat extramod=/porteus3.2/Modules
Ed
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Re: mloop / uloop output
Why this penchant of OP for Newbie questions, I've no idea.
Let's try:
Let's try:
- Firstly
Code: Select all
w=$(mloop /mnt/sda6/porteus3.2/changes/porteussave.dat 2>&1); echo $? echo "$w";
- And for Seconds
Code: Select all
ln -s /mnt/sda6/porteus3.2/changes/porteussave.dat porteussave.xzm w=$(mloop porteussave.xzm 2>&1); echo $?; echo "$w";
Linux porteus 4.4.0-porteus #3 SMP PREEMPT Sat Jan 23 07:01:55 UTC 2016 i686 AMD Sempron(tm) 140 Processor AuthenticAMD GNU/Linux
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
- Ed_P
- Contributor
- Posts: 8368
- Joined: 06 Feb 2013, 22:12
- Distribution: Cinnamon 5.01 ISO
- Location: Western NY, USA
Re: mloop / uloop output
I couldn't find the Dummies section for what I thought was a question not worthy of the Intermediate section.Bogomips wrote:Why this penchant of OP for Newbie questions, I've no idea.
Let's try:
- Firstly
Code: Select all
w=$(mloop /mnt/sda6/porteus3.2/changes/porteussave.dat 2>&1); echo $? echo "$w";
Code: Select all
guest@porteus:~$ w=$(mloop /mnt/sda6/porteus3.2/changes/porteussave.dat 2>&1); echo $?
Password:
0
guest@porteus:~$ echo "$w";
Please enter root's password below
using /dev/loop4
Please wait while i gather some info ....
mount: wrong fs type, bad option, bad superblock on /dev/loop14,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
#################################
Your data file has been mounted at:
/mnt/loop
You can unmount it by typing uloop
Here is a list of the files:
guest@porteus:~$ uloop
Password:
nothing is mounted in /mnt/loop
guest@porteus:~$
- And for Seconds
Code: Select all
ln -s /mnt/sda6/porteus3.2/changes/porteussave.dat porteussave.xzm w=$(mloop porteussave.xzm 2>&1); echo $?; echo "$w";
Code: Select all
guest@porteus:~$ ln -s /mnt/sda6/porteus3.2/changes/porteussave.dat porteussave.xzm
guest@porteus:~$ w=$(mloop porteussave.xzm 2>&1); echo $?;
Password:
0
guest@porteus:~$ echo "$w";
Please enter root's password below
using /dev/loop4
Please wait while i gather some info ....
mount: wrong fs type, bad option, bad superblock on /dev/loop14,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
#################################
Your data file has been mounted at:
/mnt/loop
You can unmount it by typing uloop
Here is a list of the files:
guest@porteus:~$
Ed
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- Full of knowledge
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- Joined: 25 Jun 2014, 15:21
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Re: mloop / uloop output
What gives here?
Code: Select all
s=/mnt/sda6/porteus3.2/changes/porteussave.dat;
file $s
mkdir s
sudo mount $s s
ls s
Linux porteus 4.4.0-porteus #3 SMP PREEMPT Sat Jan 23 07:01:55 UTC 2016 i686 AMD Sempron(tm) 140 Processor AuthenticAMD GNU/Linux
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
- Ed_P
- Contributor
- Posts: 8368
- Joined: 06 Feb 2013, 22:12
- Distribution: Cinnamon 5.01 ISO
- Location: Western NY, USA
Re: mloop / uloop output
Bogomips wrote:What gives here?Code: Select all
s=/mnt/sda6/porteus3.2/changes/porteussave.dat; file $s mkdir s sudo mount $s s ls s
Code: Select all
guest@porteus:~$ s=/mnt/sda6/porteus3.2/changes/porteussave.dat;
guest@porteus:~$ file $s
/mnt/sda6/porteus3.2/changes/porteussave.dat: SGI XFS filesystem data (blksz 4096, inosz 512, v2 dirs)
guest@porteus:~$ mkdir s
guest@porteus:~$ sudo mount $s s
Password:
My pet ferret can type better than you!
Password:
mount: wrong fs type, bad option, bad superblock on /dev/loop14,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
guest@porteus:~$ ls s
guest@porteus:~$
guest@porteus:~$ cat /proc/cmdline
quiet BOOT_IMAGE=/porteus3.2/vmlinuz from=/ISOs/Porteus-CINNAMON-v3.2.2-x86_64.iso volume=33 reboot=cold changes=EXIT:/porteus3.2/changes/porteussave.dat extramod=/porteus3.2/Modules
guest@porteus:~$
guest@porteus:~$ dmesg | tail
[ 3675.893316] wlan0: RX AssocResp from 20:aa:4b:eb:a8:16 (capab=0x11 status=0 aid=1)
[ 3675.894927] wlan0: associated
[ 3748.163929] wlan0: disconnect from AP 20:aa:4b:eb:a8:16 for new auth to 20:aa:4b:eb:a8:15
[ 3748.176496] wlan0: authenticate with 20:aa:4b:eb:a8:15
[ 3748.184183] wlan0: send auth to 20:aa:4b:eb:a8:15 (try 1/3)
[ 3748.186154] wlan0: authenticated
[ 3748.187399] wlan0: associate with 20:aa:4b:eb:a8:15 (try 1/3)
[ 3748.191138] wlan0: RX AssocResp from 20:aa:4b:eb:a8:15 (capab=0x1411 status=0 aid=6)
[ 3748.192355] wlan0: associated
[ 3949.045858] XFS (loop14): Filesystem has duplicate UUID 6e8e8e05-334b-4cdd-af0b-958965dd5687 - can't mount
guest@porteus:~$
-edit-
Now if we try your approaches with a save.dat file not in use, we get:
Code: Select all
guest@porteus:~$ w=$(mloop /mnt/sda6/porteus3.0/changes/porteussave.dat)
Password:
guest@porteus:~$ ls /mnt/loop
dev/ etc/ home/ mnt/ opt/ root/ tmp/ usr/ var/
guest@porteus:~$ ls /mnt/loop/usr/
bin/ lib/ lib64/ man/ share/ src/
guest@porteus:~$ w=$(uloop)
Password:
guest@porteus:~$ ls /mnt/loop/
guest@porteus:~$
guest@porteus:~$
guest@porteus:~$ w=$(mloop /mnt/sda6/porteus3.0/changes/porteussave.dat 2>&1); echo $?
Password:
0
guest@porteus:~$ echo "$w";
Please enter root's password below
using /dev/loop4
Please wait while i gather some info ....
#################################
Your data file has been mounted at:
/mnt/loop
You can unmount it by typing uloop
Here is a list of the files:
dev
etc
home
mnt
opt
root
tmp
usr
var
guest@porteus:~$ uloop
Password:
/mnt/loop has been unmounted
guest@porteus:~$
guest@porteus:~$ ln -s /mnt/sda6/porteus3.0/changes/porteussave.dat porteussave.xzm
guest@porteus:~$ w=$(mloop porteussave.xzm 2>&1); echo $?;
Password:
0
guest@porteus:~$ echo "$w";
Please enter root's password below
using /dev/loop4
Please wait while i gather some info ....
#################################
Your data file has been mounted at:
/mnt/loop
You can unmount it by typing uloop
Here is a list of the files:
dev
etc
home
mnt
opt
root
tmp
usr
var
guest@porteus:~$ uloop
Password:
/mnt/loop has been unmounted
guest@porteus:~$
guest@porteus:~$ s=/mnt/sda6/porteus3.0/changes/porteussave.dat;
guest@porteus:~$ file $s
/mnt/sda6/porteus3.0/changes/porteussave.dat: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs)
guest@porteus:~$ mkdir s
guest@porteus:~$ sudo mount $s s
Password:
Harm can come to a young lad like that!
Password:
guest@porteus:~$ ls s
dev/ etc/ home/ mnt/ opt/ root/ tmp/ usr/ var/
guest@porteus:~$ uloop
Password:
nothing is mounted in /mnt/loop
guest@porteus:~$
Ed
-
- Full of knowledge
- Posts: 2564
- Joined: 25 Jun 2014, 15:21
- Distribution: 3.2.2 Cinnamon & KDE5
- Location: London
Re: mloop / uloop output
This shows that upstream has caught up with mloop, and that a simple mount statement now suffices. 8)Ed_P wrote:Code: Select all
guest@porteus:~$ s=/mnt/sda6/porteus3.0/changes/porteussave.dat; guest@porteus:~$ file $s /mnt/sda6/porteus3.0/changes/porteussave.dat: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs) guest@porteus:~$ mkdir s guest@porteus:~$ sudo mount $s s Password: Harm can come to a young lad like that! Password: guest@porteus:~$ ls s dev/ etc/ home/ mnt/ opt/ root/ tmp/ usr/ var/
Linux porteus 4.4.0-porteus #3 SMP PREEMPT Sat Jan 23 07:01:55 UTC 2016 i686 AMD Sempron(tm) 140 Processor AuthenticAMD GNU/Linux
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB
NVIDIA Corporation C61 [GeForce 6150SE nForce 430] (rev a2) MemTotal: 901760 kB MemFree: 66752 kB