Questions tagged [libraries]
85 questions
232
votes
10 answers
How to check if a library is installed?
In Linux, how do I check if a library is installed or not? (from the command line of course).
In my specific case now, I want to check whether libjpeg is installed.
hasen
- 2,604
14
votes
2 answers
finding ldd search path
How can I find the search path of ldd? Assume ldd returns
[mahmood@dhcppc2 bin]$ ldd /home/mahmood/amd64-linux/lib/scsi-bus.so
linux-vdso.so.1 => (0x00007fffc27c7000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007ffb13a25000)
…
mahmood
- 1,132
7
votes
2 answers
Puppet Packages, Puppet Forge, and good Puppet code?
Does anyone have a ranking system for the packages available from the Forge at PuppetLabs?
For example, there a half dozen Apache packages. Given normal distribution, one will probably work, one will work a bit with different features, and the rest…
Charles Merriam
- 172
6
votes
3 answers
Fixing Shared PCRE Library on CentOS
This is less a question about PCRE, and more a question about updating shared libraries. The distribution of CentOS I'm running only allows for yum upgrades to version 6.6, or somewhere similar.
I'm installing an issue tracker that requires PCRE…
Craig Otis
- 287
5
votes
2 answers
fedora /usr/lib vs /usr/lib64
It seems i have two python2.6 folders located in /usr/lib vs
/usr/lib64 respectively. Most python stuff (source) is in
/usr/lib64/python2.6 but when in installed packages they have been put
into /usr/lib/python2.6
How the system decides which…
Weiwei
- 377
5
votes
1 answer
What's the best way to check the version of a library on Ubuntu
I am sure there are several ways to do this, but is there a tool built into Ubuntu or a recommended way to check the version of any given library you have installed on an ubuntu server?
wjimenez5271
- 749
4
votes
2 answers
PSQL 64bit driver error
I have an Ubuntu 12.04 64bit server setup under Hyper-V. I have installed Pervasive 64bit SQL drivers so that a stock-updater script can run daily (Updates external MySQL database from another local server running Exchequer software / PSQL…
4
votes
1 answer
Windows 7 library nightmare
In our Active Directory we deploy a policy to our clients where the personal directory (My documents) is redirected to a file server of ours
\\server\share\username\Documents
In older systems everything worked fine. In Windows 7 some users are…
Lobuno
- 143
- 3
3
votes
1 answer
RPM packaging conflicting libraries
What is best practice for RPM packaging something that provides a library which in name shadows a system library?
Background:
For an RPM-backed Linux system, I am packaging a "self-contained" app foo that wants to live under /opt and supply as many…
pilcrow
- 469
3
votes
2 answers
Install xmlsec on CentOS
I installed xmlsec and it keeps giving me an error when I try to verify an XML document.
yum install xmlsec1
yum install xmlsec1-openssl
[vagrant@localhost SSO-ROR-development]$ xmlsec1 --verify…
Chloe
- 1,184
3
votes
2 answers
Per-application library paths on CentOS
Context:
After a recent version upgrade of a bunch of our server software, I've found myself in a dilemma:
I have two sets of applications (Zend server and assorted utils, and a bunch of PostgreSQL management utilities) that both heavily use a…
Zac B
- 861
2
votes
2 answers
Why the program lsusb don't find the shared library libusb-1.0.so.0?
Linux distribution : CentOS Linux release 7.4.1708 (Core)
Kernel : 3.10.0-693.2.2.el7.x86_64
The problem :
# lsusb
lsusb: error while loading shared libraries: libusb-1.0.so.0: cannot open shared object file: No such file or directory
# ldd…
Erms
- 123
2
votes
1 answer
Does a 32-bit Linux program's entire runtime lib tree need to be 32-bit?
On my 64-bit RHEL machine, I'm compiling and running a C & Fortran program that is 32-bit only. It invokes the non-static version of a lot of standard Linux libs (X11, OpenGL/Mesa, Motif, etc...), which of course invoke other libs (libjpeg, libc,…
Keith Russell
- 151
2
votes
1 answer
Using mozjpeg in place of jpeg-turbo including satisfying dependencies
I'm trying to use mozjpeg as a drop-in replacement library for jpeg-turbo. I'm perfectly able to fetch the sources and compile them as needed and even create a deb-file from it which I can use to install the package (e.g. apt-get install…
fvm
- 23
2
votes
1 answer
missing shared library in ldd
I compiled Apache httpd on CentOS 6.x. Works fine there.
Then I moved the binary files to CentOS 7. I needed to install some missing libraries and now works fine there.
Then I moved the binary files to Archlinux. As I expected it did not started…
Nick
- 902