glibc is GNU's implementation of the Standard C library.

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Is it possible to recover from corrupted libc on Redhat?

I have created the following unfortunate situation. While trying to resolve this error when running a binary : /lib64/libc.so.6 : version 'GLIBC_2.15' not found Looking further I found that libc....
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1answer
20 views

Compile new boost library on linux with ancient kernel

I try to compile the newest boost library (1.62.0) on a Linux system with kernel version 2.6.18-92.1.13.el5 (from uname -r), and 2016 intel c++ compiler using gcc 6.1.0. The new intel c++ compiler ...
4
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1answer
65 views

CentOS 7: enabling blowfish hashes for password authentication

In our organization, we are distributing pre-hashed password values for a number of local accounts. Currently, these accounts' passwords are hashed using Blowfish ($2a$[...]) or Blowfish-8-bit ($2y$[.....
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How to deal with “scriptlet failure in rpm package glibc” during upgrade to Fedora 24?

Actual message (from photo, not recorded in dnf system-upgrade log -1): Upgrading : glibc-2.23.1-18.fc24.x86_64 28/4874 warning: %trigger(cronie-1.4.12-1.fc21.x86_64) scriptlet failed, exit status ...
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50 views

Highest version of glibc working on actual 386 hardware

I need to build a working minimal Linux environment that will run on ACTUAL 386 class hardware. I know that I have to use kernel <3.8, which is not a problem. The issue is with glibc, as it seems ...
4
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1answer
112 views

Why doesn't unsetenv() modify /proc/pid/environ?

I was just looking at this question and wrote a noddy program to demonstrate unsetenv() modifying /proc/pid/environ. To my surprise it has no effect! Here's what I did: #include <stdio.h> #...
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2answers
37 views

LFS: What is the toolchain and why is it important?

I'm going through Linux from Scratch and I'm on the page that discusses the toolchain. Up until this point I've understood everything, but I don't understand the term "toolchain". From what I've read ...
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67 views

Redhat and Centos servers glibc errors

Please forgive if I am not wording this correctly and my current lack of information, but I am losing my mind trying to figure this out and I am not currently behind the servers in question. I have ...
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1answer
82 views

Running C++11 library with older libc

I have written a shared library using C++11 features, compiled with gcc 4.8, libc 2.18, which needs to be run on a client's CentOS 6 machine, which has gcc 4.4.7, libc 2.12. There are some symbols in ...
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1answer
47 views

Constraints on gcc / glibc versions between build and run

Probably a basic question but I did not manage to find a clear answer to it: Let's say I am compiling a code (with some parts in C) on a build server and run it on a different server. The build ...
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1answer
58 views

Compiling Apache with another glibc version

My system has an old glibc version. I compiled the new version [2.23] into /FaF/glibc. Due to the fact the new glibc version is not compatible with SLES 11 SP2 & SP3 I have to use the linker ...
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1answer
174 views

Updating glibc to 2.21 on CentOS

I'm not very experienced with Linux, so please bear with me. I need to install MySQL 5.6 on a CentOS box. I found what seemed to be a simple tutorial, but the first command (sudo yum install my-sql-...
2
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1answer
62 views

What would suddenly cause programs to read /etc/ld.so.preload when they start up?

Apparmor enforcement messages have begun appearing in the syslog of a Trisquel 7 machine. The affected programs requested open of the file /etc/ld.so.preload, in read mode and were denied by apparmor ...
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78 views

How to install or update GLIBC_2015

I am trying to run Telegram messaging application in Wheezy 7.9.0. When I run it using bash (./Telegram), the following output is shown : /lib/i386-linux-gnu/i686/cmov/libc.so.6: version `GLIBC_2.15' ...
2
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1answer
1k views

can not install mysql-server on centos 6.7 32bit . Error: need rpm?

when I try to install mysql-server on centos with this command: yum install mysql-server server replies: Loaded plugins: fastestmirror, security Setting up Install Process Loading mirror speeds ...
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108 views

Non-Root Container

I'm attempting to create some kind of gentoo "subsystem" without root permissions. I've encountered a problem with my approach and I'm wondering if it's possible to do or not. The way I'm attempting ...
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2answers
36 views

How can I compile a more compact glibc?

While trying to create an x86-64 appliance, I naturally wanted to compile glibc 2.23. I managed to do so through mkdir build cd build ../configure --enable-kernel=2.6.32 --with-headers=/path/to/...
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160 views

Can I run an application using a different libc version?

Is there a way to make an application use a specific libc instead of the libc my system normally uses? I sometimes participate in CTFs and the minor differences in behaviour between libc versions can ...
6
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1answer
1k views

Locally-installing glibc-2.23 causes all programs to segfault

I'm trying to upgrade glibc on a system on which I do not have root access. Therefore, I'm installing to a local prefix. I would like some help understanding best practices for setting this up, as ...
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404 views

yum update glibc - ERROR with rpm_check_debug vs depsolve:

I want to update my system with yum update but I get only errors starting with these two lines: Running rpm_check_debug ERROR with rpm_check_debug vs depsolve: Then, I tried only to update the ...
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14 views

Compiling Glibc, differently

I'm attempting to compile and package Glibc for what may eventually become my own Linux distribution. --with-headers=directory allows me to tell Glibc that the kernel headers are in a different place....
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2answers
176 views

Is Chromium OS a GNU/Linux distro?

I want to ask, if Chromium OS is a GNU/Linux distribution or is it a non-GNU Linux-based operating system like Android, webOS or Syllable Server. Does Chromium OS use GNU C Library, GNU coreutils etc.,...
3
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1answer
183 views

Glibc Patch for getaddrinfo() vulnerability

I have been seeing a lot about the newly discovered vulnerability in the glibc library which can be exploited (albeit with difficulty) by attackers. Here is a (fire and brimstone) article on the ...
4
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1answer
171 views

Debian wheezy updates broke tr command [closed]

After I updated the following packages yesterday in debian wheezy, tr command stop working. Start-Date: 2016-02-16 23:10:06 Commandline: apt-get dist-upgrade Upgrade: libkrb5-3:amd64 (1.10.1+dfsg-5+...
3
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1answer
344 views

Unexpected sort order in en_US.UTF-8 locale

While trying to answer this question about SQL sorting, I noticed a sort order I did not expect: $ export LC_ALL=en_US.UTF-8 $ echo "T-700A Grouped" > sort.txt $ echo "T-700 AGrouped" >> ...
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420 views

GLIBC not loading even after source compilation

While I am installing chef , I am getting below error. [root@centos Tools]# chef-server-ctl reconfigure /opt/opscode/embedded/bin/ruby: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by /...
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1answer
2k views

How to redirect linker share library default path /lib64/libc.so.6, /lib64/libc.so.6: version `GLIBC_2.14' not found

My linux machine is x86_64-redhat-linux. However I am using another arm tool chain aarch64-linux-gnu-gcc on this machine to build(I don't need to run what I build on this machine, just build, so it ...
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160 views

Ubuntu unzip error: sysmalloc assertion failed

I'm trying to unzip a multipart zip file (that I had originally zipped in Windows using WinRAR). The file consists of 4 parts: me.zip and me.z01, me.z02, me.z03 and me.z04. The command I'm using to ...
0
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1answer
28 views

How can I check whether my cross-compilation of a dynamic library has been done correctly?

I used my arm toolchain to compile the glibc library, I have already deployed this on the target device (linux) with no issues. How can I be sure that my compilation and deployment is done correctly ...
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Building glibc doesn't produce 64 bit libc.so.6

I'm trying to build glibc with a 64bit version of libc.so.6 since a library I'm trying to use wants glibc_2.14+ but it isn't provided because the system I'm running on I don't have root access and the ...
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How to remove a broken installation of glibc

I just attempted to install glibc version 2.19 to my computer as follows: 1) I cloned the glibc git repo with $ cd ~ $ git clone git://sourceware.org/git/glibc.git 2) I checked out version 2.19 ...
2
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1answer
347 views

Find out glibc compilation options

I want to find out which compiler/linker options were used to compile the GNU C Standard Library (glibc) when installing Linux. In particular I want to get the same result of the archive libc.a when ...
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2answers
30 views

What's the advantage of locale archives over locale files spread out in directories?

I am quite curious about why locale-archive files are preferred in many Linux distros and what and to which extent its advantage over compiled files for each locale would be.
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3answers
106 views

New signal arrives while execution is in a signal handler, how to decide which is first?

I am working on a tool handling a massive amount of signals (with different signums) with sigaction(). I need to handle the case, if a new signal is coming, while the previous was in a signal handler....
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2answers
73 views

Specifying local libc does call global libc?

If I run the command foo specifying a a different libc to use as follows: LD_LIBRARY_PATH=$PATH_TO_MY_CUSTOM_LIBC foo Is the globally defined libc used to run any of the command given above? For ...
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207 views

How to manually upgrade libc6?

I have a live linux distro, taken from this article. My working linux is Ubuntu 14 x64 where I build the live distro. I need to add an application to distro, so I copied executable to bin folder, ...
0
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1answer
3k views

How to update libc(glibc) on kali linux (debian based)?

I get the following error when I try to run armitage, and furthermore I get errors when i try to install certain packages or when I run certain software. root@Xeno:~# armitage Exception in thread "...
4
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1answer
6k views

Upgrading Ubuntu 14.04 to glibc 2.20 or greater

I have an application written in Go that is crashing frequently and I think it's related to an issue that was fixed in glibc 2.20. My Ubuntu 14.04.3 LTS has glibc 2.19 according to ldd --version. I'...
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2answers
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Why and how are some shared libraries runnable, as though they are executables?

On 32-bit Linux systems, invoking this $ /lib/libc.so.6 and on 64-bit systems this $ /lib/x86_64-linux-gnu/libc.so.6 in a shell, provides an output like this: GNU C Library stable release ...
0
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1answer
331 views

RedHat Glibc - multiple packages

Before I jump into the issue, I am using RedHat 6.5 and have no access to the internet to download yum updates due to environment restrictions. All I have in this case is the CD ROM (RHEL 6.5) to ...
0
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1answer
179 views

GLIB dependencies on RHEL5

I want to try to use the new Visual Studio Code on RHEL5. But when I run it, it says that I am missing some dependencies. How do I install them? (15-08-07 19:21:25) <127> [~/VSCode] dev-dsk % ...
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2answers
470 views

“GLIBC” can not be used when I have installed the gcc 5.1.0

When I have installed gcc 5.1.0, I found lots of my programs cannot be used, such as firefox, gnome: they will give me a message "GLIBC_2.1X not found". Now the version of GLIBC is higher than before, ...
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Debian: How to resolve relocation error?

I am running Debian 7.1. I tried to apt-get install -f, and messed up. All command line returns ln: relocation error: /lib/arm-linux-gnueabihf/libc.so.6: symbol _dl_find_dso_for_object, version ...
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../lib/libc.so.6: version `GLIBC_2.12' not found

I'm running a debian wheezy (7.8) box and I just ran into a problem with an application that needs `GLIBC_2.12'. The glibc-linking seems confusing to me. Maybe someone can enlighten me? The program ...
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0answers
220 views

SIGSEV on lots of GUI-software on arch linux. Seems to be glibc related

On my arch linux install, I can't open firefox, evolution, geary, midori and other software. All CLI-stuff I've tried works flawlessly, and also google-chrome-unstable, vlc and others. When ran in gdb ...
1
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1answer
102 views

what does elibc_FreeBSD mean in gentoo portage overlays?

I have a gentoo overlay which has been added to http://gpo.zugaina.org/. One of my ebuilds recMD5 now shows the use flag elibc_FreeBSD even though I didn't add it. I am also running into it for a ...
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1answer
124 views

Antergos libpthread causes segmentation faults

A lot of the programs I use on my machine exit with segfaults. Nearly all programs function normally until being closed, at which point they segfault. So far the only two programs that have not worked ...
0
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1answer
492 views

How to fix ld-linux-x86-64.so.2 CRC mismatch?

Not sure how I came to getting this problem but for some reason ld-linux-x86-64.so.2 is reporting a CRC mismatch and it's effecting a program that I cannot open which results in a segfault. the ...
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2answers
85 views

Releasing linux software - compatibility

I want to release a C++ library for Linux. Is it true that (when no other libs are dynamically linked) only the glibc version decides compatibility to other Linux distributions? Is there a better way ...
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2answers
970 views

How to chroot to provide a new glibc version to an app?

I am trying to run a program, but when I execute it the following error appears : ./app: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.14' not found (required by ./app) At first I read to ...