grubby fatal error: unable to find a suitable template
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grubby fatal error: unable to find a suitable template
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So I upgraded kernel yum -y update kernel on my AWS EC2 base image, and I get the following:
Running Transaction
Installing : kernel-2.6.32-504.3.3.el6.x86_64
grubby fatal error: unable to find a suitable template
Here is the contents of /boot/grub/grub.conf:
hiddenmenu
title CentOS (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-358.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /boot/initramfs-2.6.32-358.el6.x86_64.img
So grub.conf is not getting updated, and since I already have kernel-2.6.32-504.1.3.el6.x86_64 installed, grub did not get updated the last time I updated kernel either. I tried adding the kernel manually:
grubby --grub --add-kernel="/boot/vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs \
console=ttyS0" --title="CentOS (2.6.32-504.3.3.el6.x86_64)" \
--initrd=/boot/initramfs-2.6.32-504.3.3.el6.x86_64.img
and then /boot/grub/grub.conf looked like this:
hiddenmenu
title CentOS (2.6.32-504.3.3.el6.x86_64)
kernel /vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /initramfs-2.6.32-504.3.3.el6.x86_64.img
title CentOS (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-358.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /boot/initramfs-2.6.32-358.el6.x86_64.img
However, /vmlinuz-2.6.32-504.3.3.el6.x86_64 is not the kernel I entered. So I removed that and tried again with:
grubby --grub --add-kernel="/boot/boot/vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs \
console=ttyS0" --title="CentOS (2.6.32-504.3.3.el6.x86_64)" \
--initrd=/boot/boot/initramfs-2.6.32-504.3.3.el6.x86_64.img
which resulted in this:
hiddenmenu
title CentOS (2.6.32-504.3.3.el6.x86_64)
kernel /boot/vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs console=ttyS0 root=(hd0,0)
initrd /boot/initramfs-2.6.32-504.3.3.el6.x86_64.img
title CentOS (2.6.32-358.el6.x86_64)
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-358.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /boot/initramfs-2.6.32-358.el6.x86_64.img
At this point, I manually edited /boot/grub/grub.conf to default=0 and rebooted, and my EC2 wouldn't boot. So I tried a new instance copy and got all these same errors, so I copied the existing settings to a new entry:
hiddenmenu
title CentOS (2.6.32-504.3.3.el6.x86_64)
root (hd0,0)
kernel /boot/vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /boot/initramfs-2.6.32-504.3.3.el6.x86_64.img
And rebooted, and it fails to boot again. Yet another try, I repeated the above but with root=/dev/xvda3, and that failed to boot as well. So at this point, I have no way at all of upgrading my kernel. What do I do?
UPDATE: I figured out the /boot/boot/ stuff, and my /boot/grub/grub.conf now looks like this:
hiddenmenu
title CentOS (2.6.32-504.3.3.el6.x86_64)
root (hd0,0)
kernel /vmlinuz-2.6.32-504.3.3.el6.x86_64 ro root=LABEL=rootfs console=ttyS0
initrd /initramfs-2.6.32-504.3.3.el6.x86_64.img
And I can successfully boot my system, however everything else about this remains true: installing a new kernel still results in "grubby fatal error: unable to find a suitable template", and grubby --default-kernel still results in no output. I have to edit my /boot/grub/grub.conf manually for any kernel update.
See also questions close to this topic
I am trying to run an C# program on my Raspberry Pi 3 using mono. The program starts correctly, but as soon as I reach a point where I use some OpenCV libraries the program error with the following output:
Unhandled Exception:
System.TypeInitializationException: The type initializer for 'Emgu.CV.CvInvoke' threw an exception. ---& System.DllNotFoundException: opencv_core220
at (wrapper managed-to-native) Emgu.CV.CvInvoke:cvRedirectError (Emgu.CV.CvInvoke/CvErrorCallback,intptr,intptr)
at Emgu.CV.CvInvoke..cctor () [0x00023] in &4f43ef68bef85f9cebb2b6&:0
--- End of inner exception stack trace ---
at Emgu.CV.Image`2[TColor,TDepth].AllocateData (System.Int32 rows, System.Int32 cols, System.Int32 numberOfChannels) [0x0002e] in &4f43ef68bef85f9cebb2b6&:0
at Emgu.CV.Image`2[TColor,TDepth].set_Bitmap (System.Drawing.Bitmap value) [0x00050] in &4f43ef68bef85f9cebb2b6&:0
at Emgu.CV.Image`2[TColor,TDepth]..ctor (System.Drawing.Bitmap bmp) [0x00008] in &4f43ef68bef85f9cebb2b6&:0
at App.Program.Main (System.String[] args) [0x00122] in &b44d2f4f9fba3e6a1570f&:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: The type initializer for 'Emgu.CV.CvInvoke' threw an exception. ---& System.DllNotFoundException: opencv_core220
at (wrapper managed-to-native) Emgu.CV.CvInvoke:cvRedirectError (Emgu.CV.CvInvoke/CvErrorCallback,intptr,intptr)
at Emgu.CV.CvInvoke..cctor () [0x00023] in &4f43ef68bef85f9cebb2b6&:0
--- End of inner exception stack trace ---
at Emgu.CV.Image`2[TColor,TDepth].AllocateData (System.Int32 rows, System.Int32 cols, System.Int32 numberOfChannels) [0x0002e] in &4f43ef68bef85f9cebb2b6&:0
at Emgu.CV.Image`2[TColor,TDepth].set_Bitmap (System.Drawing.Bitmap value) [0x00050] in &4f43ef68bef85f9cebb2b6&:0
at Emgu.CV.Image`2[TColor,TDepth]..ctor (System.Drawing.Bitmap bmp) [0x00008] in &4f43ef68bef85f9cebb2b6&:0
at App.Program.Main (System.String[] args) [0x00122] in &b44d2f4f9fba3e6a1570f&:0
The mentioned library "opencv_core220" is a dll located in the same directory as the exe I exececute using mono.
What can I do to fix this problem?
I never worked with mono so far, but I read you can not use dlls on linux, like on windows, but you have to use so-files. But I got no idea how to get them from my dlls.
The program totally works on windows.
I have created a VRF and I have added interfaces and routes to my VRF. My VRF is as shown below.
My VRF is names wan1:
[root@host ~]# ip route list vrf wan1
default via 12.12.12.12 dev enp1s0.4025
12.12.12.0/25 dev enp1s0.4025 proto kernel scope link src 12.12.12.1
12.12.12.1 dev enp1s0.4025 scope link
My VRF can ping:
[root@host ~]# ping 8.8.8.8 -I wan1
ping: Warning: source address might be selected on device other than wan1.
PING 8.8.8.8 (8.8.8.8) from 12.12.12.12 wan1: 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=120 time=4.54 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=120 time=4.54 ms
However, when I try to start a program in my VRF, I get the following error:
[root@pedge ~]# ip vrf exec wan1 /usr/sbin/ssh root@1.2.3.4
Failed to mount cgroup2: No such file or directory
I know my kernel supports:
[root@pedge network-scripts]# cat /proc/filesystems
securityfs
Any ideas why I am getting that error? I am running on Centos 7 with kernel 4.17.10-1
Thanks for any help
when I try to write:
let ID_DOCKER=$(sudo docker ps | grep gagareg/jenkins_with_dsl_plugin:2_1 |awk '{print $1}')
I get the following warning:
bash: let: ID_DOCKER=58d4f297cc57: value too great for base (error token is "58d4f297cc57")
I found a solution here
I try use 10#
everywhere I could think.
bad substitution
I'm developing device which has to communicate with PC via RS-232. I need to communicate in both ways - from device to PC and vice-versa.
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Questions:
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if kernel module how to start with this? I have written simple modules but everything was for virtual devices.
if user space should I pay attention to something specific? Is there any way to block ability to kill this app?
How to write drivers for such device in Windows? I don't even know where to start.
Driver has to always be on while the device is connected.
User shouldn't have right to stop this driver.
Is there any way to install this driver from the device? I mean, when I connect it for the first time is there a way to load the driver from the device's memory and install it?
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I'm trying to perform kernel PCA in R using the function kpca from the kernlab package. However, it seems that my data is too big to be used for this function.
This is the kernel PCA command I'm using:
kpc &- kpca(~.,data=pca.train[,1:13],kernel="rbfdot",
kpar=list(sigma=0.2),features=2)
And this this the error I'm getting:
Error: cannot allocate vector of size 1.1 Gb
Note that I performed PCA using prcomp() function using the same data set and it worked perfectly. Any ideas how I can overcome this error and perform kernel PCA smoothly in R?
Why is my data from my web form not updated to my database, H2, Spring Boot
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&input type ="text" name="aname"&&br&
&input type ="text" name="aship"&&br&
&input type ="submit"&&br&
Just downloaded Raspbian from RaspberryPi.org and flashed using Etcher/Windows10 64bit, on a 32GB microSD card. Popped into a Raspberry Pi 2. After 2-3 seconds boot process gives error (screenshot attached).
Windows 10 IoT on a separate card boots just fine on same pi.
(screenshot looks fine on my phone but got flipped after uploading, sorry)
I've got a JCOP card.
Have issued an erroneous command to modify it's ATR.
The horror is the card appears to not to return an ATR at all.
Now that the card is responding in a Windows app:
SCardConnect()
ERROR: The chip card is not responding to a reset.
SCardConnect(... SCARD_SHARE_(SHARED|DIRECT), SCARD_PROTOCOL_RAW, ...);
Failure with either SCARD_SHARE_...
I found here:
that for SCARD_PROTOCOL_RAW the wincard.c is using IFDControl_v2
instead of IFDTransmit.
Please tell me if it worthwhile to write a linux app based on pcsc-lite
doing the same task?
I want to somehow issue 2 commands:
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2. 00F00000 (BOOT the card)
These shall definitely reset the ATR so that i will resurrect the card!
Does anybody know another way to reset such a card?
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I have been working upon creating a multibootable pendrive which is quite originated from KARTANA that was introduced in defcon 18'.
I need the possibility debade about putting an authentication to this drive.
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Waiting for the experts to help me out.
I work in a lab where I am configuring a small computer to eventually be used to collect data on an instrument. The computer has a 32Gb SD card as its main storage device. I am using Ubuntu 10.04, as a previous version of the project had a disk image of its computer. I was able to use dd to load an old backup onto this 32Gb SD card and boot it. I will call this Partition 1.
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Has anyone done something similar to this, and if so, what tools were useful? Also, what steps do I need to follow?
Any insight or pointing to a good reference is very appreciated.db:: 3.75::unable to find a volume with enough disk space for file extraction when trying to to watch a movie on netflix with Silverlight plug-in c7
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3秒自动关闭窗口ERRROR:Unable to find a bootableoption.Press any key to shut down_百度知道
ERRROR:Unable to find a bootableoption.Press any key to shut down
今天早上更新在后来卡住了让后我强制重启了就一直出新ERRROR:Unabletofindabootableoption.Pressanykeytoshutdown请问各位大神咋解决啊..现在都开不了机说错了出现的是“Error:unnble...
今天早上更新在 后来卡住了让后我强制重启了 就一直出新ERRROR:Unable to find a bootableoption.Press any key to shut down 请问各位大神咋解决啊..现在都开不了机说错了 出现的是“Error:unnble to find a bootable option,press any key to shut down
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