Questions tagged [patch]

A patch is file used to alter a source code package, e.g. in order to correct a bug or add a feature.

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patch without reject

This might be answered already but it is hard to search for -- basically, When patch find a block/hunk unable to apply, it will reject the changed hunk into reject file. How not to put the conflicts ...
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Live kernel patching in ubuntu

I am trying to see the advantages & disadvantages of live kernel patching over a newly built kernel with intended patches. I read live kernel patching uses ftrace's framework. Since ftrace keep ...
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Patch 2nd Linux kernel: "module is in use"

how to patch kernel with a DKMS module if the module is 'in use'? The Kernel which should be used to get patched is not the one which is actual running on this machine. (uname -r) It is about hpsa ...
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How to use the output of wdiff (per word diff) to patch a file?

Is it possible to use the output of wdiff (per word diff) to patch a file? I have a file with not only word changes but also added/removed newlines. I can use wdiff to view the word changes. But can I ...
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Patching location

I'm not the most experienced with linux but usually I use git am or patch -p1 < filepatch directly in buildroot but I have to apply a new patch and it does not work in buildroot neither in /...
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removing last patching kernel

I build openwrt firmware and I just used a pr (patch kernel update) with patch -p1 < filename.patch and I want to remove to reapply a new one, what would be the best? thank you
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What is difference between "patch channel" and "satellite"?

Please help me understand the difference between "patch channel" and "satellite". I have heard these terms often at my place of work but not sure what it means.
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Is it possible to make hardware alterations via terminal (using a specific firmware patch)?

I am a linux noob interested in "patching the wifi firmware" on my Raspberry Pi 3B (v1.2) in order to enable "monitor mode" which would allow me to collect compressed beamforming ...
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How to resolve error about patching, hunk failed [closed]

I try to add a patch about last kernel and don't know why is not working.. idea? thanks openwrtt$ patch -p1 < kernel.patch patching file include/kernel-version.mk Hunk #1 FAILED at 7. 1 out of 1 ...
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Makefile: 1037: recipe for target '../src/ap/beacon.o' failed

I am installing hosatpd-wpe as on kali linux rolling 2017.2 follows: wget https://raw.githubusercontent.com/aircrack-ng/aircrack-ng/master/patches/wpe/hostapd-wpe/hostapd-wpe.patch wget https://w1.fi/...
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  • 17
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3 answers
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How to create a patch for renaming a file

Suppose I have a file (myfile.txt) containing this text: The quick brown fox jumps over the lazy dog. I rename this file from myfile.txt to mystory.txt. How do I create a diff that represents this ...
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how to show when last time RHEL system was "patched"?

At work we are tasked with (i.e during and inspection or audit) showing when the system was last patched. This is all that is asked. Of course I asked the inspector how do you want me to show you ...
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How can I apply a patch file to the kernel of my current Linux installation?

I want to apply a patch file to my current Ubuntu install (patch file example). What is the process to properly apply a patch file to my Linux kernel? Do I need to go through the whole process of ...
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How can I get a set of patch files that can be applied to increase a Linux version?

I need a method to get a set of patches, that when applied in succession, can take Linux 5.x to Linux 5.y. Here's what I've tried (I would greatly appreciate feedback on why this doesn't work): (...
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Supplying RDiff Base File Using Pipe Results in Illegal Seek Error

If I run the following rdiff command rdiff patch basefile patchfile outputfile everything works as expected, however, if I try to use stdin to provide the base file like this xz -d -c basefile.xz | ...
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Installing PREEMPT_RT kernel on Ubuntu 20.04

I am trying to install a PREEMPT_RT kernel for my ubuntu distribution as this is a requirement for a robot I am working on. But no matter what I do I get errors when compiling the kernel. I've ...
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Yocto - patch has not been applied

I am working with Linux built with Yocto. I need to add some changes to /etc/ssh/sshd_config file. I created the following patch file using meld: --- a/sshd_config +++ b/sshd_config @@ -116,3 +116,8 @@...
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1 answer
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Kernel patching prompts “Reversed (or previously applied) patch detected! Assume -R? [n]”

I am trying kernel patching for the first time. I am not sure the following is encountered with an error and if I am doing it correctly. But in all tutorials and videos shows, .patch extension files, ...
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2 votes
2 answers
285 views

Ignore certain lines when creating/applying a patch with diff/patch?

File A Apples Bananas Clementines Dates File B Apples Blueberries Cherries Dates I want to diff A and B to generate a patch that when applied to C will change the line Clementines > Cherries but ...
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how to diff automatically between file.txt.orig and file.txt

Currently, I am editing files on vim by setting patchmode=.orig and then, having two files: file.txt.orig <- backup without changes file.txt <- update file However, I would like to generate a ...
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Patch unable to find file

I am currently in directory - /usr/lib/llvm-9/build The include/ directory is a symlink - reikdas@reikdas-VirtualBox:/usr/lib/llvm-9/build$ ls -l lrwxrwxrwx 1 root root 10 Jan 31 2020 include -> ../...
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-1 votes
1 answer
394 views

Remove window border in dwm monocle layout

I was wondering whether there is some patch to remove the window border in dwm monocle layout, because I really don't want to use "real" fullscreen, but just want to hide the top bar and ...
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1 answer
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Rebasing a patch without using git?

I've never used maintained files created with patch and diff. But what is the work flow when the patch drifts? As in this case. I can see the the failures when I do -m in the same format git would ...
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Using the patch -p option when the new and old contain a different number of subdirectories

I have received a patch that I need to apply, however the filenames make it difficult to predict what -p option to use: --- /home/user/foo/bar/baz.c +++ /data/myproj/project/version/foo/bar/baz.c I'm ...
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1 vote
1 answer
155 views

Is there a way to hotpatch a kernel in Debian

Is there any equivalent in Debian for hotpatching kernels, similar to kpatch in Red Hat Linux?
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2 votes
2 answers
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How to patch a debian package?

I have Debian stable and I have found some weird bug which was already fix. The fix were merged into the stable branch which version was gnome-settings-daemon 3.32.1 but I have gnome-settings-daemon 3....
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Does CentOS - 7.1 to 7.8 are end of life(EOL) OS?

In the official CentOS wiki https://wiki.centos.org/About/Product Mentioned full update ends by Q4-2020 and Maintenance updates EOL is 30-06-24. I can't find patch(Sub release) wise EOL information. ...
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Why does the dd program not work as expecting when patching a binary?

I'm trying to patch a binary using the instructions provided at this answer. Initial setup: wget https://f000.backblazeb2.com/file/altstore/altserver/1_4_1.zip unzip 1_4_1.zip This program basically ...
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1 vote
2 answers
708 views

Can I write comments inside a "normal" diff/patch file?

I used diff to produce a patch file. diff old.txt new.txt: 1c1 < Lorem ipsum dolor sit amet, consectetur adipiscing --- > The quick brown fox jumps over the lazy dog. The output is in the ...
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1 vote
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Patch Multiple Strings in a Binary file

I have a binary file type (many instances of these files) where I would like to replace the string "DC-GX850" with "DMC-GX95". Fortunately the two strings are of equal length. The ...
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2 answers
294 views

DWM Gaps not aligned

is there a way I can fix this? If you check it a little closely, you can see that firefox actually goes a little bit under the terminal and I really don't like it. I am using DWM with vanity-gaps. ...
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2 votes
1 answer
275 views

Can `patch` be idempotent?

Can patch be invoked with idempotency; i.e., is there some combination of options that will cause repeated invocations of patch to have the same effect as a single invocation of patch (for a non-empty ...
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1 answer
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Submitting Linux kernel code

As a semester project I have modified a file of Linux kernel source code (related to memory management), to improve the existing structure. It includes addition of some new functions. But I couldn't ...
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2 answers
305 views

What RT patch to use for a specific linux kernel version

Running the $uname -r command on my embedded device reveals my kernel to be 4.14.73-ltsi (it is a custom Linux kernel built for an embedded device). Now I intend to install the real time (RT) patch ...
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1 answer
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Can patches on different files be a part of a single patch series?

Do patches on different files qualify as a patch series? I made 5 patches in total, 3 of which are changes to 3 different files, and 2 of which are changes to another single file. I assume that the 2 ...
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3 votes
1 answer
3k views

Error 24 : Write error : cannot write compressed block

I'm using Ubuntu 20.04 LTS Server and re-complied whole kernel with my patches. Now at the stage of installing it, but when I runs sudo make install I'm seeing following error, root@localhost:/home/...
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Patch CentOS 8 with Microsoft exFAT source Code, Linux Kernel 5.x,

I'm interested on extract original code of Microsoft exFAT File System, and Compile it into my CentOS 8 (I know its the Kernel is very delayed to 5.4 or 5.7 version). I know the existence of https://...
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2 votes
0 answers
82 views

Patch apply at wrong location

I'm attempting to create a set of patch files that i can quickly apply on demand to add or remove alias to .bashrc. To arcive this i added a section for alias in .bashrc after the line # alias and ...
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1 answer
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How to review changes made by a .patch with quilt in a Debian source package?

I've pulled the source package of luajit with apt source luajit from Debian sid. As the package was unpacked by the same command, I saw the next message: dpkg-source: info: applying 0002-Enable-...
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How do I patch in to a file only the insertions and modifications leaving the unmodified lines there?

I have a short file (around 60 lines) which acts like a basic database it has three whitespace separated columns. The first one is name of the product, the second one is the price and the third one is ...
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0 votes
2 answers
2k views

Setting up third party status bar on dwm

I am trying to set up an external status bar in dwm windows manager (in particular I am trying with polybar), but there are some issues with windows placement: the bar needs its own space: if naïvely ...
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Ansible Patching Failed

I have problem with security patching via Ansible. I have two machines 1) Ansible master server (Version 2.8.4) I want to apply security update to server with RHEL8. But patching failed, see below ...
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15 votes
5 answers
10k views

Diff of two similar big raw binary files

Let's say I have a 4 GB file abc on my local computer. I have uploaded it to a distant server via SFTP, it took a few hours. Now I have slightly modified the file (probably 50 MB maximum, but not ...
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How often do files in these Linux directories change? [closed]

I am currently looking for a Host-Based Intrustion Detection System to perform file integrity checks with. I have some files/directories to start monitoring with: /bin /sbin /usr /opt /lib64 /root /...
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1 answer
127 views

LFS - Should Glibc be patched in Section 5.7?

I'm currently working my way through the Linux From Scratch (LFS) book, but I'm a bit confused about when to apply patches. In Section 5.7 the goal is to build glibc. The section have a pretty ...
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Packages skipped because of dependency problems

While patching is going on a CentOS system, I pressed ctrl+c then the patching stopped. When I tried to patch again, it showed dependency error and I couldn't patch the remaining patches. I got this ...
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3 votes
3 answers
234 views

Why can't entire kernels be patched live?

Over the past few years, various live kernel patching techniques have become popular among sysadmins who strive to ensure the highest possible uptimes for their systems. For that process to be ...
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1 vote
0 answers
101 views

Open Network Linux (ONL): kernel source patch

I'm trying to apply some patches on the ONL kernel. Based on a question and its reply, there is a method to apply patches. (The link: https://groups.google.com/forum/#!topic/opennetworklinux/...
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3 votes
1 answer
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Upgrade FreeBSD to specific patch version

My FreeBSD is running version 11.2 FreeBSD host1 11.2-RELEASE FreeBSD 11.2-RELEASE #0 r335510: Fri Jun 22 04:32:14 UTC 2018 root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 I ...
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3 answers
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Is there a source code available for patch command in Linux?

I am looking for a source code for the patch command used in Linux. Does anyone know if there is one available? I am looking for a something which is compatible to POSIX or more specifically QNX v7.
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