Error in loading shared libraries - centos

Hello all i am a student of bioinformatics and working on gromacs , while preparing for a simulation , i am getting this error
[root#compute-0-3 bin]# pdb2gmx -f model-317.pdb -water spce
pdb2gmx: error while loading shared libraries: libmpi.so.0: cannot open shared object file: No such file or directory**
How to solve this problem ??

You have to set the LD_LIBRARY_PATH you can check more on MPI - error loading shared libraries
Thanks & Regards,
Alok Thaker

I have found it useful to use strace -eopen COMMAND to see which files are actually searched for, and what return code open gives for each of them. For instance:
$ strace -eopen echo foo
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
foo
Use this trick to verify if it is just the path that is set wrong.
Also libmpi.so.0 may not be properly installed. You might have the file libmpi.so.0.1.2.3, and you need to either run ldconfig or manually make a symlink from libmpi.so.0 to libmpi.so.0.1.2.3. See more about why shared libraries might have different numbers appended to them here: http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html

Related

PHP Warning: Module 'imagick' already loaded in Unknown on line 0, need some assistance

So I checked my spam folder today and had 122 messages send through the server stating:
PHP Warning: Module 'imagick' already loaded in Unknown on line 0
Non stop it keeps sending me this.
Googled it and still have no clue on how to fix it as I need a step by step answer.
Found a similar question on stack but it's too complicated for me to understand.
I'm on the latest Plesk Onyx and OS=Ubuntu 16.04.6 LTS‬.
As I'm running php 7.3 I hoped when I uninstalled php 7.0 in plesk it would go away but unfortunately it didn't.
It's send from here
Cron <root#server> [ -x /usr/lib/php/sessionclean ] && /usr/lib/php/sessionclean
And after php --ini (read about it on a forum) this was the result:
PHP Warning: Module 'imagick' already loaded in Unknown on line 0
Configuration File (php.ini) Path: /etc/php/7.0/cli
Loaded Configuration File: /etc/php/7.0/cli/php.ini
Scan for additional .ini files in: /etc/php/7.0/cli/conf.d
Additional .ini files parsed: /etc/php/7.0/cli/conf.d/00-ioncube-loader-7.0.ini,
/etc/php/7.0/cli/conf.d/10-mysqlnd.ini,
/etc/php/7.0/cli/conf.d/10-opcache.ini,
/etc/php/7.0/cli/conf.d/10-pdo.ini,
/etc/php/7.0/cli/conf.d/15-xml.ini,
/etc/php/7.0/cli/conf.d/20-calendar.ini,
/etc/php/7.0/cli/conf.d/20-ctype.ini,
/etc/php/7.0/cli/conf.d/20-curl.ini,
/etc/php/7.0/cli/conf.d/20-dom.ini,
/etc/php/7.0/cli/conf.d/20-exif.ini,
/etc/php/7.0/cli/conf.d/20-fileinfo.ini,
/etc/php/7.0/cli/conf.d/20-ftp.ini,
/etc/php/7.0/cli/conf.d/20-gd.ini,
/etc/php/7.0/cli/conf.d/20-gettext.ini,
/etc/php/7.0/cli/conf.d/20-iconv.ini,
/etc/php/7.0/cli/conf.d/20-imagick.ini,
/etc/php/7.0/cli/conf.d/20-imap.ini,
/etc/php/7.0/cli/conf.d/20-json.ini,
/etc/php/7.0/cli/conf.d/20-mbstring.ini,
/etc/php/7.0/cli/conf.d/20-mysqli.ini,
/etc/php/7.0/cli/conf.d/20-pdo_mysql.ini,
/etc/php/7.0/cli/conf.d/20-pdo_sqlite.ini,
/etc/php/7.0/cli/conf.d/20-phar.ini,
/etc/php/7.0/cli/conf.d/20-posix.ini,
/etc/php/7.0/cli/conf.d/20-readline.ini,
/etc/php/7.0/cli/conf.d/20-shmop.ini,
/etc/php/7.0/cli/conf.d/20-simplexml.ini,
/etc/php/7.0/cli/conf.d/20-sockets.ini,
/etc/php/7.0/cli/conf.d/20-sqlite3.ini,
/etc/php/7.0/cli/conf.d/20-sysvmsg.ini,
/etc/php/7.0/cli/conf.d/20-sysvsem.ini,
/etc/php/7.0/cli/conf.d/20-sysvshm.ini,
/etc/php/7.0/cli/conf.d/20-tokenizer.ini,
/etc/php/7.0/cli/conf.d/20-wddx.ini,
/etc/php/7.0/cli/conf.d/20-xmlreader.ini,
/etc/php/7.0/cli/conf.d/20-xmlwriter.ini,
/etc/php/7.0/cli/conf.d/20-xsl.ini,
/etc/php/7.0/cli/conf.d/20-zip.ini,
/etc/php/7.0/cli/conf.d/zend_extensions_psa.ini
I already know it's probably easily fixed when you know linux but I'm learning on the go and posses very little knowledge yet.
Could anyone assist me with the right commands?
Cheers
Locate where is your php.ini file by:
php -i | grep Configuration
Configuration File (php.ini) Path => /usr/local/etc/php/7.4
Loaded Configuration File => /usr/local/etc/php/7.4/php.ini
Open the php.ini file and remove the line:
extension=imagick.so
or change the line to a comment:
; extension=imagick.so

How can I get "HelloWorld - BitBake Style" working on a newer version of Yocto?

In the book "Embedded Linux Systems with the Yocto Project", Chapter 4 contains a sample called "HelloWorld - BitBake style". I encountered a bunch of problems trying to get the old example working against the "Sumo" release 2.5.
If you're like me, the first error you encountered following the book's instructions was that you copied across bitbake.conf and got:
ERROR: ParseError at /tmp/bbhello/conf/bitbake.conf:749: Could not include required file conf/abi_version.conf
And after copying over abi_version.conf as well, you kept finding more and more cross-connected files that needed to be moved, and then some relative-path errors after that... Is there a better way?
Here's a series of steps which can allow you to bitbake nano based on the book's instructions.
Unless otherwise specified, these samples and instructions are all based on the online copy of the book's code-samples. While convenient for copy-pasting, the online resource is not totally consistent with the printed copy, and contains at least one extra bug.
Initial workspace setup
This guide assumes that you're working with Yocto release 2.5 ("sumo"), installed into /tmp/poky, and that the build environment will go into /tmp/bbhello. If you don't the Poky tools+libraries already, the easiest way is to clone it with:
$ git clone -b sumo git://git.yoctoproject.org/poky.git /tmp/poky
Then you can initialize the workspace with:
$ source /tmp/poky/oe-init-build-env /tmp/bbhello/
If you start a new terminal window, you'll need to repeat the previous command which will get get your shell environment set up again, but it should not replace any of the files created inside the workspace from the first time.
Wiring up the defaults
The oe-init-build-env script should have just created these files for you:
bbhello/conf/local.conf
bbhello/conf/templateconf.cfg
bbhello/conf/bblayers.conf
Keep these, they supersede some of the book-instructions, meaning that you should not create or have the files:
bbhello/classes/base.bbclass
bbhello/conf/bitbake.conf
Similarly, do not overwrite bbhello/conf/bblayers.conf with the book's sample. Instead, edit it to add a single line pointing to your own meta-hello folder, ex:
BBLAYERS ?= " \
${TOPDIR}/meta-hello \
/tmp/poky/meta \
/tmp/poky/meta-poky \
/tmp/poky/meta-yocto-bsp \
"
Creating the layer and recipe
Go ahead and create the following files from the book-samples:
meta-hello/conf/layer.conf
meta-hello/recipes-editor/nano/nano.bb
We'll edit these files gradually as we hit errors.
Can't find recipe error
The error:
ERROR: BBFILE_PATTERN_hello not defined
It is caused by the book-website's bbhello/meta-hello/conf/layer.conf being internally inconsistent. It uses the collection-name "hello" but on the next two lines uses _test suffixes. Just change them to _hello to match:
# Set layer search pattern and priority
BBFILE_COLLECTIONS += "hello"
BBFILE_PATTERN_hello := "^${LAYERDIR}/"
BBFILE_PRIORITY_hello = "5"
Interestingly, this error is not present in the printed copy of the book.
No license error
The error:
ERROR: /tmp/bbhello/meta-hello/recipes-editor/nano/nano.bb: This recipe does not have the LICENSE field set (nano)
ERROR: Failed to parse recipe: /tmp/bbhello/meta-hello/recipes-editor/nano/nano.bb
Can be fixed by adding a license setting with one of the values that bitbake recognizes. In this case, add a line onto nano.bb of:
LICENSE="GPLv3"
Recipe parse error
ERROR: ExpansionError during parsing /tmp/bbhello/meta-hello/recipes-editor/nano/nano.bb
[...]
bb.data_smart.ExpansionError: Failure expanding variable PV_MAJOR, expression was ${#bb.data.getVar('PV',d,1).split('.')[0]} which triggered exception AttributeError: module 'bb.data' has no attribute 'getVar'
This is fixed by updating the special python commands being used in the recipe, because #bb.data was deprecated and is now removed. Instead, replace it with #d, ex:
PV_MAJOR = "${#d.getVar('PV',d,1).split('.')[0]}"
PV_MINOR = "${#d.getVar('PV',d,1).split('.')[1]}"
License checksum failure
ERROR: nano-2.2.6-r0 do_populate_lic: QA Issue: nano: Recipe file fetches files and does not have license file information (LIC_FILES_CHKSUM) [license-checksum]
This can be fixed by adding a directive to the recipe telling it what license-info-containing file to grab, and what checksum we expect it to have.
We can follow the way the recipe generates the SRC_URI, and modify it slightly to point at the COPYING file in the same web-directory. Add this line to nano.bb:
LIC_FILES_CHKSUM = "${SITE}/v${PV_MAJOR}.${PV_MINOR}/COPYING;md5=f27defe1e96c2e1ecd4e0c9be8967949"
The MD5 checksum in this case came from manually downloading and inspecting the matching file.
Done!
Now bitbake nano ought to work, and when it is complete you should see it built nano:
/tmp/bbhello $ find ./tmp/deploy/ -name "*nano*.rpm*"
./tmp/deploy/rpm/i586/nano-dbg-2.2.6-r0.i586.rpm
./tmp/deploy/rpm/i586/nano-dev-2.2.6-r0.i586.rpm
I have recently worked on that hands-on hello world project. As far as I am concerned, I think that the source code in the book contains some bugs. Below there is a list of suggested fixes:
Inheriting native class
In fact, when you build with bitbake that you got from poky, it builds only for the target, unless you mention in your recipe that you are building for the host machine (native). You can do the latter by adding this line at the end of your recipe:
inherit native
Adding license information
It is worth mentioning that the variable LICENSE is important to be set in any recipe, otherwise bitbake rises an error. In our case, we try to build the version 2.2.6 of the nano editor, its current license is GPLv3, hence it should be mentioned as follow:
LICENSE = "GPLv3"
Using os.system calls
As the book states, you cannot dereference metadata directly from a python function. Which means it is mandatory to access metadata through the d dictionary. Bellow, there is a suggestion for the do_unpack python function, you can use its concept to code the next tasks (do_configure, do_compile):
python do_unpack() {
workdir = d.getVar("WORKDIR", True)
dl_dir = d.getVar("DL_DIR", True)
p = d.getVar("P", True)
tarball_name = os.path.join(dl_dir, p+".tar.gz")
bb.plain("Unpacking tarball")
os.system("tar -x -C " + workdir + " -f " + tarball_name)
bb.plain("tarball unpacked successfully")
}
Launching the nano editor
After successfully building your nano editor package, you can find your nano executable in the following directory in case you are using Ubuntu (arch x86_64):
./tmp/work/x86_64-linux/nano/2.2.6-r0/src/nano
Should you have any comments or questions, Don't hesitate !

%include centos kickstart unable to open input kickstart file

Hi would like to have multiple kickstart files which use a central kickstart file for the bulk of the install and a second file for the small differences. I'm building DVDs for distribution.
The first ks contains small config and has a %include line which points to a common ks file which should do most of the work.
I'm having trouble with %include line.
Fist of all have I understood what %include is for?
Second I think I have the syntax wrong because when I boot I get the following error message:
unable to open input kickstart file: Could not open/read file:///mnt/sysimage/media/dvd/ks/common.cfg
I am installing from a DVD what is the correct path or syntax to the files stored in a sub directory called /ks/ of the DVD's root?
I have tried the following:
%include /mnt/sysimage/media/dvd/ks/common.cfg
%include cdrom:/ks/common.cfg
Does anyone have any working examples?
Thanks in advance for your support
I eventually found part of the answer
%include /mnt/stage2/ks/common.cfg
The dvd is mounted as stage2
However I now get an error message saying it cant read the file
%%include
I can see the file and less it if I hit ctrl + alt + F1
Does anyone have a working simple example of how this should be written?
Open your isolinux/isolinux.cfg from the OS and give the ks file path as below . You can enter your kick start option in boot: prompt of dvd
label 1
kernel vmlinuz
append initrd=initrd.img nofb skipddc lang= devfs=nomount ramdisk_size=8192 ks=cdrom:/option1.cfg 1
label 2
kernel vmlinuz
append initrd=initrd.img nofb skipddc lang= devfs=nomount ramdisk_size=8192 ks=cdrom:/option2 2
label 3
kernel vmlinuz
append initrd=initrd.img nofb skipddc lang= devfs=nomount ramdisk_size=8192 ks=cdrom:/option3.cfg 3
Then edit /isolinux/boot.msg and add the enter the below details
Select installation:
1) option 1
2) option 2
3) option 3

Is there a way to tell django compressor to create source maps

I want to be able to debug minified compressed javascript code on my production site. Our site uses django compressor to create minified and compressed js files. I read recently about chrome being able to use source maps to help debug such javascript. However I don't know how/if possible to tell the django compressor to create source maps when compressing the js files
I don't have a good answer regarding outputting separate source map files, however I was able to get inline working.
Prior to adding source maps my settings.py file used the following precompilers
COMPRESS_PRECOMPILERS = (
('text/coffeescript', 'coffee --compile --stdio'),
('text/less', 'lessc {infile} {outfile}'),
('text/x-sass', 'sass {infile} {outfile}'),
('text/x-scss', 'sass --scss {infile} {outfile}'),
('text/stylus', 'stylus < {infile} > {outfile}'),
)
After a quick
$ lessc --help
You find out you can put the less and map files in to the output css file. So my new text/less precompiler entry looks like
('text/less', 'lessc --source-map-less-inline --source-map-map-inline {infile} {outfile}'),
Hope this helps.
Edit: Forgot to add, lessc >= 1.5.0 required for this, to upgrade use
$ [sudo] npm update -g less
While I couldn't get this to work with django-compressor (though it should be possible, I think I just had issues getting the app set up correctly), I was able to get it working with django-assets.
You'll need to add the appropriate command-line argument to the less filter source code as follows:
diff --git a/src/webassets/filter/less.py b/src/webassets/filter/less.py
index eb40658..a75f191 100644
--- a/src/webassets/filter/less.py
+++ b/src/webassets/filter/less.py
## -80,4 +80,4 ## class Less(ExternalTool):
def input(self, in_, out, source_path, **kw):
# Set working directory to the source file so that includes are found
with working_directory(filename=source_path):
- self.subprocess([self.less or 'lessc', '-'], out, in_)
+ self.subprocess([self.less or 'lessc', '--line-numbers=mediaquery', '-'], out, in_)
Aside from that tiny addition:
make sure you've got the node -- not the ruby gem -- less compiler (>=1.3.2 IIRC) available in your path.
turn on the sass source-maps option buried away in chrome's web inspector config pages. (yes, 'sass' not less: less tweaked their debug-info format to match sass's since since sass had already implemented a chrome-compatible mapping and their formats weren't that different to begin with anyway...)
Not out of the box but you can extend a custom filter:
from compressor.filters import CompilerFilter
class UglifyJSFilter(CompilerFilter):
command = "uglifyjs -c -m " /
"--source-map-root={relroot}/ " /
"--source-map-url={name}.map.js" /
"--source-map={relpath}/{name}.map.js -o {output}"

running PostgreSQL client in C from Cygwin

I'm trying to build a very simple PostgreSQL client in C over Cygwin.
Here's what I've done so far:
I've downloaded the PostgreSQL source code version 9.1.2 (to match the same version that is running on my server)
I've configured and compiled the source code from Cygwin. The compilation seemed to go smoothly.
From what I can tell, the header files are in:
/cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq, and
/cygdrive/c/workspace/src/postgresql-9.1.2/src/include
The libraries are in:
/cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq
From here, I compiled and linked the client program using the makefile below:
testlibpq: testlibpq.c
gcc -o testlibpq -I /cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq -I /cygdrive/c/workspace/src/postgresql-9.1.2/src/include -L /cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq testlibpq.c -Bstatic -lpq
The compilation and the linking succeeded without errors or warnings.
However, when I try to run the program, I get the following error:
$ ./testlibpq
/cygdrive/c/Users/dleclair/Dropbox/denis/src/testlibpq/testlibpq.exe: error while loading shared libraries: cygpq.dll: cannot open shared object file: No such file or directory
I haven't figured out how to fix this. Any pointers would be greatly appreciated.
Oh, one more thing, I found the folder that cygpq.dll was sitting in and set my LD_LIBRARY_PATH to point to it but it still gave me the same result.
dleclair#dleclair-win7l ~/Dropbox/denis/src/testlibpq
$ ls /cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq
bcc32.mak encnames.o fe-connect.o fe-misc.o fe-protocol3.o ip.o libpq-events.c md5.c pgstrcasecmp.c pqsignal.c thread.o
blibpqdll.def exports.txt fe-exec.c fe-print.c fe-secure.c libpq.a libpq-events.h md5.o pgstrcasecmp.o pqsignal.h wchar.c
chklocale.c fe-auth.c fe-exec.o fe-print.o fe-secure.o libpq.rc.in libpq-events.o nls.mk po pqsignal.o wchar.o
chklocale.o fe-auth.h fe-lobj.c fe-protocol2.c inet_net_ntop.c libpqddll.def libpq-fe.h noblock.c pqexpbuffer.c pthread-win32.c win32.c
cygpq.dll fe-auth.o fe-lobj.o fe-protocol2.o inet_net_ntop.o libpq-dist.rc libpq-int.h noblock.o pqexpbuffer.h README win32.h
encnames.c fe-connect.c fe-misc.c fe-protocol3.c ip.c libpqdll.def Makefile pg_service.conf.sample pqexpbuffer.o thread.c win32.mak
dleclair#dleclair-win7l ~/Dropbox/denis/src/testlibpq
$ echo $LD_LIBRARY_PATH
/cygdrive/c/workspace/src/postgresql-9.1.2/src/interfaces/libpq
dleclair#dleclair-win7l ~/Dropbox/denis/src/testlibpq
Normally on unix/linux systems after building the source a make install is done which copies the headers to standard locations like /usr/local/include and /usr/local/lib. You may have to do that on cygwin to to get the DLL in the search path.
Or you can just locate the DLL yourself and put it on the search path or in the same folder as your executable.