Fedora :: How To Know All The Available Kernel Versions
Mar 17, 2011
How do I know the exact kernel version (or rpm package name) of fedora 14 without having to install one? I couldn't find the information on the the website. And one more question. Does one fedora distribution has only one kernel available all the time? Where can I find all the kernels for a particular distribution (for example Fedora 12) distributed by Fedora Project? I can find all the available kernels for a RedHat Enterprise distribution on [URL], but not for Fedora.
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Mar 11, 2010
When yum updates the kernel it keeps the last 3 versions; the older kernels are deleted. Is there a way to keep more than 3 versions?
I presently have one working version and two which are not compatible with my machine. One more bad version and my system will be toast. (I would like to keep the "bad" versions for testing.)
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Dec 11, 2010
In the processing of reinstalling VirtualBox, I found this：2.6.35.6-48.fc14.i686.PAE/source -> /usr/src/kernels/2.6.35.6-48.fc14.i686.PAE/ ，but this folder don't exist.。 I try to relink the ln as source -> /usr/src/kernels/2.6.35.9-64.fc14.i686.PAE , but VirtualBox still get problem with the kernel. Since VirB works fine with other 2 kernels, the solution for this is not quite needed, but I just wonder why this happens. See below. I don't know why these two folder contain different version of kernels. Anybody get an idea?
2.6.35.6-48.fc14.i686.PAE]$ ll /usr/src/kernels/; ll /lib/modules/; ll /lib/modules/2.6.35.6-48.fc14.i686.PAE/ |grep build
total 16
drwxr-xr-x. 22 root root 4096 Nov 19 14:58 2.6.35.6-45.fc14.i686
drwxr-xr-x. 22 root root 4096 Nov 15 00:04 2.6.35.6-48.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 17:08 2.6.35.9-64.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 15:19 2.6.35.9-64.fc14.i686.PAE
[Code]...
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Jul 14, 2010
I've been having some odd kernel issues recently. A while back I installed 2.6.32rc6 when I first upgraded to 9.04, because it solved issues I was having with surround sound. A few months back I installed mythtv and the mythbuntu binaries as well, although I have since uninstalled them. All of a sudden, I seemed to have issues booting into ubuntu with certain versions of the kernel, where it would just freeze at the white ubuntu logo, while other versions of the kernel would load fine (I think 2.6.31?) but it would display the mythbuntu logo instead (not sure if this is related).
I just upgraded to 10.04, and I still seem to have issues booting with certain kernel versions. Right now I'm running 2.6.32-020632rc6-generic which seems to work, but it's outdated, and I have surround sound issues again. Which one should I be using? Is there a way to clean this mess up? How do I fix the problem of freezing at the boot screen?
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May 19, 2011
I checked my kernel version (uname -r) and see I'm on "2.6.34.8-0.2-default", and I noticed that they just released 2.6.39. I'm assuming (perhaps incorrectly) that there's been at least versions 2.6.35/6/7/8 released in there. Why isn't my openSUSE 11.3 using anything more recent than .34? How does this updating work? Is 11.4 on a more recent one?
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Apr 16, 2011
it turns out that I don't have my Ubuntu option in GRUB any more. I need the kernel version in order to add it to my list file. Any help? I can't boot it to find out because GRUB doesn't recognize it as an option.
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Dec 30, 2010
Trying to install VMWare I get the following message:
Really after it VMWare anyway doesn't agree to install. Zypper says that no newer version of gcc is available. So I can't see how I can install VMWare.
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Mar 3, 2010
My Grub2 boot menu includes:
Ubuntu, Linux 2.6.31-19-generic
Ubuntu, Linux 2.6.31-19-generic (recovery mode)
Ubuntu, Linux 2.6.31-14-generic
Ubuntu, Linux 2.6.31-14-generic (recovery mode)
Q1) I only really need the latest kernel, 2.6.31-19, don't I?
Q2) So how can I get rid of the two 2.6.31-14 entries?
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Apr 14, 2010
Here's how to always have only the latest kernel version in your grub:
Code:
sudo gedit /etc/grub.d/10_linux
Find these lines:
Code:
list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
done`
And change it with this:
Code:
for ver in /boot/vmlinu[xz]-* ; do
list="$ver"
done
Notice two differences.
1. There's no ` before "for" and after "done" keywords.
2. There's no list= before "for"
If you want to change the name of entry, scroll down to the end of the file and find last two occurrences of:
Code:
linux_entry
${OS} stands for Ubuntu and ${version} stands for your kernel version. I changed this into:
Code:
linux_entry "${OS} 9.10 Karmic Koala"
You can use your own imagination. If you want to have specific name for your Windows entry, in /boot/grub/grub.cfg copy everything between:
Code:
### BEGIN /etc/grub.d/30_os-prober ###
and
Code:
### END /etc/grub.d/30_os-prober ###
paste it in
/etc/grub.d/40_custom
Change the text between double quotes right after menu entry. (For example, my 40_custom looks like this now:
Code:
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the menu entries you want to add after this comment. Be careful not to change the 'exec tail' line above.
menuentry "Windows 7" {
insmod ntfs
set root=(hd0,1)
search --no-floppy --fs-uuid --set bcdc24dddc249424
chainloader +1
}
)
and make 30_os-prober not executable:
Code:
sudo chmod -x 30_os-prober
If you want to remove recovery mode entry, just uncomment this line in /etc/default/grub:
Code:
#GRUB_DISABLE_LINUX_RECOVERY="true"
PS Don't forget to run
Code:
sudo update-grub
After you finish editing everything! And check in /boot/grub/grub.cfg if everything is ok!
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Sep 12, 2010
I have looked for existing threads on this issue, but found no matches, so I am starting a new one.I first installed Ubuntu 9.04 on my laptop from a bought CD last year. When I later installed the kernel updtates with the Update Manager, I noticed the the list of versions growing when I booted up. Then something horrible happened. After installing maybe the third or fourth kernel update, I couldn't boot into Ubuntu, it failed every time. After that I left Ubuntu broken on my laptop for a while.I have now reinstalled from the CD again However, I am now very wary when it comes to installing even the important security updates, never mind the recommended ones! I prefer to keep it simple, because I don't want to do any more reinstalls for a while. So far I have just one kernel headers update on the boot list, and I am trying to figure out how to remove the previous one. I do not see the point in having a growing list of them again.
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Jul 28, 2010
I need to prevent that the latest kernel update removes the only kernel that still works in my computer. how can i do this? Currently I have 3 linux kernels versions:
Code:
Ubuntu 10.04 LTS, kernel 2.6.32-23-generic
Ubuntu 10.04 LTS, kernel 2.6.32-23-generic (recovery mode)
Ubuntu 10.04 LTS, kernel 2.6.32-22-generic
[code]...
But only the oldest works. With the new update there is a new kernel version (2.6.32-24) that possibly will not boot (like previous 2.6.32-* kernels) and also I expect that, as in previous updates, the oldest kernel will become inaccessible, thus rendering my ubuntu unbootable.
PS: unsolved threads on the underlaying problem: Can't boot default kernel after upgrading from 9.xx to 10.04 lucid Upgrade to 10.04 freezes on the Ubuntu screen
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May 2, 2015
After some updates Jessie 8 my boot grub shows now 2 kernel versions to boot from.
3.16.0-4-amd64
3.16-3-amd64
- How do I know which one is the newest and if happy with it, how to remove the older one?
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Feb 28, 2010
I built a home server (NAS/WWW/SSH/media server etc) and chose CentOS 5 as the OS (stability, easy of configuration).I was just about to start tuning the power consumption when I realised that the kernel CentOS uses is so "old" that it does not support the latest reduced power consumption enhancements that Linux has achieved in big strides in the recent past (we are probably still talking 6-12+ months ago e.g. tickless kernel)..
So my questions; 1) I know CentOS was maybe not meant for home servers (certainly its not its primary purpose), but if it is, any ideas of what kind of power consumption it takes (I know its relative) and if there are particular power consumptions that are worthwhile?
2) Do you recommend me compiling my own 2.6.21+ kernel from kernel.org or am I just likely to have compatibility issues (I really did not want to do that) or when is CentOS 5.4 supposed to have a newer 2.6.21+ version kernel?
Was it wrong of me in principle to choose CentOS for a home server when I am power conscious? (I don't have a low-power VIA processor either but a P4 so I am really just hoping to make do with software changes).
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Jun 30, 2011
I'm not to clear on the difference between LTS versions and other versions, but think I may want to go with LTS. Can someone tell me if my thinking is correct given the following situation: I have some very cool, but very expensive software installed with a group license from my school, a school which I am not going to be attending for too much longer. So I want to go as long as possible without reinstalling Ubuntu, because once the product is licensed it will be licensed until I reinstall Ubuntu (or I uninstall the program). So I think this is going to require me keep the Ubuntu version I install as long as possible.
So in this case, should I go with 10.04LTS or should I just install Natty Narwhal and keep that as long as possible? It looks like 10.04LTS will be "supported" longer, but I'm not exactly clear on all that "supported" entails. Presumable it means security and software updates will be available for 10.04LTS for much longer than 11.x versions? So I'm thinking I should go with 10.04LTS
Is my thinking correct in going with 10.04LTS? Edit: It was pointed out that this would be against my contractual agreements. Which I suppose is probably true.
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Mar 7, 2009
install of Fedora, always used Debian or Ubuntu before now, and am looking for versions of localepurge, deborphan and debfoster - do they exist in the Fedora Software Repository?
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Jan 17, 2010
i wanna install older versions of fedora(10 or 11), and after looking everywhere, i found that if you search the available mirrors through the download page. This allows you to select mirrors with the version you want. I didnt know if that was the way to get older versions or if there is another way.
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Oct 7, 2010
I have been at this for awhile and i need to know which direction to go to enguage this problem.I am trying to get jnlp files to open automatically in chrome / firefox. Before you flame me, i have followed the instructions on the above "handy yellow link" to get java installed and set up.My goal is to click on "draw" at this link and have it open and run automatically in Chrome. [URL].. Nothing seems to happen when i click the link. From what i understand, i need jre 1.6. I sucesfully installed it from:[URL]..
I ran the alternative commands in the "handy yellow link" and selected 1.6. When i run "yum install java" i get the output: Package java-1.5.0-gcj-1.5.0.0-32.fc13.i686 already installed and latest version
Nothing to do Probably just an alternative command that i'm unaware of, but i cant find a simple fix.
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Jun 6, 2011
For my work it is extremely useful to have multiple versions of gcc available. I've done this in the past under Ubuntu simply by enabling alternative or older repositories but in Fedora land I've not been able to find a standard automated way of doing this. Can anybody point me in the right direction?
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Dec 21, 2009
I installed f12 few days back. A pop up came which mentioned '336 new updates available' and I opted 'install only security updates'.
Now in the boot screen 3 options come instead of 2:
1. Fedora 2.6.31.6-166.fc12.i686.pae
2. Fedora 2.6.31.6-127.fc12.i686.pae
3. Windows
I am able to boot into both versions of fedora, but I cannot launch firefox it says-'your version of SQlite is too old and the application cannot run'. How do I correct the screw up. Should I re-install the whole thing....? why is it showing as 2 versions....? I installed yumex recently, is it the reason.....?
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Jan 1, 2010
Some times i need the older version of some packages in my system...side by side with the new one.i.e mostly i found older version openssl package for supporting dependency of some programs Can I keep the following libraries at the same time in my system by installing multiple versions of openssl?
[Code]...
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Sep 25, 2010
is there a way to have reposync replace packages with the most current versions? because when i do it for my "network repo" it seems to just add more and more.
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May 30, 2011
Does Fedora Now Prompt End Users To Install New Versions? If so, what a terrible idea and how do I disable it? So, I get a late night call from one of the people I support with their PC. You know, the basic PC user who barely knows enough to be dangerous. I'm sure we all have friends like this, who we help out and keep Linux running for them. Anyway, he says Fedora prompted him to upgrade to Fedora 15 (from 13) and of course, he says OK. He usually says OK when fedora asks to update his software.
Now things are hosed, he can't get on-line and worst of all, he's running F15 with Gnome3 and can't find his way around or do the things he's used to doing. Why on earth would fedora prompt to upgrade to a new version via the net? (..btw - he said it took forever.. ) I'm sure this exact scenario will be played out 1000s of times and peeps like me will be wasting lots of time straightening things out after the fact. Seems to me Fedora should not prompt for full version upgrades. It's trouble waiting to happen and that kind of thing should be user initiated by someone who actually knows what they are doing, so as to avoid the scenario that just played out with me.
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Jan 25, 2011
Is linux is a product of REDHAT and all its versions.
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Sep 29, 2010
I do quite a bit of testing of a FOSS package, which I install from rpm. At any one time there may be 3 versions ( current release, new release candidate, and snapshot of trunk) that I wish to test. If I stick to normal naming conventions (i.e. current release fred-2010.0...rpm, release candidate fred-2010.2...rpm, and trunk fred-2010.3...rpm) it seems to me that I can only have one version installed at any one time. Is there a 'proper' way of managing this (using the package manager), so that I can have multiple versions installed at any one time?
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Apr 9, 2011
How to install multiple versions of GCC on Fedora 12? Using yum, I upgraded my g++ to 4.4.4-10. I want to install a second version 4.6.0 of GCC.
[Code]...
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Nov 11, 2009
Could using i686 and x64 versions of same package introduce problems later? Currently my system is 64bit , but some apps require i686 versions of already installed x64 packages.
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Jun 4, 2010
I've just recently started using Fedora again and have a question about BOINC.I see that Fedora 13 is using 6.10.45, but the latest recommended release is 6.10.56.What is the timing on updated RPMs for new BOINC versions? Or is there a guide to updating manually, which I've been unable to locate?
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May 21, 2010
I'm trying to complete the porting to RHEL 5 of a commercial application that we've had running on AIX and SCO for decades. It originally ran on dumb-terminals, and even now runs on dumb-terminal emulators that run on Windows. We have thousands of customers, many of whom we'd like to migrate to Linux. We're pretty much done with the port, with the exception of this little glitch we're having with pseudo-ttys...
Our app utilizes pseudo-ttys, such that sub-portions of the application run under a screen manager that provides for screen-switching of multiple instances of the sub-apps on non-GUI terminals, some of which are still running serial. In this regard, it is not unlike the GNU "screen" program. However, it also supports file transfers over serial links using zmodem, and requires the ability to switch in and out of a fully 8-bit transparent mode where the screen switching keyboard commands must be ignored.
On AIX, we're using the BSD TIOCUCNTL (UIOCCMD) capability to send commands from the sub-app to the screen manager. TIOCUCNTL provides custom user ioctls and is an ideal way to solve the problem. It is not implemented on Linux, and the "alternative" of TIOCPKT does not provide arbitrary ioctls so at best we'd have to commandeer some of the existing TIOCPKT ioctls for our own use if that's even possible. TIOCPKT seems like a hack, it apparently was implemented not as a general mechanism but to solve problems specific to rlogin/rlogind.
SCO didn't support TIOCUCNTL either, so years ago we used the SVR5 alternative of putmsg/getmsg. This is a streams-based mechanism of sending control information over streams separate from the data. While RHEL 5 seems to have man pages indicating these commands exist, and in fact you can link programs using them to libc without errors, they are apparently stubbed out and return "function not implemented." This seems to be, according to this Wiki, due to certain Linux factions deeming that streams are "technically inadequate":
Certainly, I would agree that a streams implementation that is incomplete is undoubtedly "technically inadequate."
At the same time, it would appear that the SVR5 method of pseudo-tty is now the recommended implementation, the BSD one being "deprecated" (not to mention, also incomplete on Linux, given TIOCUCNTL is missing):
So here I am trying to figure out how to solve the problem. I have found a library that apparently implements the getmsg/putmsg commands for Linux, called libLiS. However, according to IBM, it has a problem with SELinux:
We've had to disable SELinux for other reasons anyway, so this is not a show stopper for us, and I am actively exploring using it as our solution. However, I've never been exactly crazy about the idea of depending on disabling security features to make something work. But, there's something to be said for the compatibility it would offer for our apps.
However, it occured ot me that we are probably not the first to have this problem, and was wondering if perhaps there is another solution that we should consider.
It has occured to me to use named pipes, but this would be rather ugly--we'd have to maintain a directory full of hundreds of named pipes, probably named after the associated ptys that the sub-apps could use to issue control commands to their screen manager, and the manager would have to monitor these pipes for commands, etc.-- certainly possible, but it seems like it might be re-inventing the wheel a bit, or at the very least, is a somewhat kludgy work-around to the apparent lack of any user-customizable control mechanisms in the pseudo-ttys. And we'd have to support it in addition to the code for the other methods since those platforms aren't going away anytime soon (SCO death-throes notwithstanding).
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Aug 22, 2009
Code:
[root@HOME ~]# package-cleanup --dupes
Setting up yum
Loaded plugins: protectbase, refresh-packagekit
Excluding Packages in global exclude list
Finished
0 packages excluded due to repository protections
Excluding Packages in global exclude list
Finished
[Code]....
Would it be ok to remove the earlier versions of dupes above, without adverse effects?
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Feb 14, 2010
No matter how many times I update or install new flash plugins in firefox, I always wind up with 2 versions of the 'Shockwave Flash' plugin. The first is the prevous version of Adobe, the second is the current version of either Adobe, Gnash or Swfdec. I use yum to keep my packages in synch. When a new version of Adobe comes though, it erases the older version of the currently installed plugin, keeps the newer currently installed version, and installs itself as the new version, both versions enabled.
Hope that paragraph makes sense to you, it gave me a headache to write. Further, they must both be enabled for any of them to work, and which ever I use the video is slow, choppy and prone to pausing for no apparent reason. The CPU usage is always pegged to the roof and the sound is often out of synch.
What I'm wondering is whether or not this is the normal situation or if I'm doing something wrong? I've been playing with Ubuntu and have noticed that only one version installs at one time, and the video playback is much better, if still not exactly smooth.
how to keep the scrollbars at the side and bottom of Firefox a contant width? They seem to change with the Full Zoom Level of NoSquint, which is a bit of a pain.
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