How to Check Installed Software or Packages Versions on Linux

In this article we will learn how to check installed software or package version on Linux. There are lots of installed software on your Linux system. But some time you need to check and review the the version of software or packages that you have installed on your system.

In this article I will show how to check and verify the installed packages version on CentOS system.

Check Installed Software Packages Versions

Follow the below command to check the installed software packages version on your system.

1. Check postfix MTA installed version.

# postconf -d | grep mail_version
mail_version = 2.10.1
milter_macro_v = $mail_name $mail_version

2. Check PHP version. This result will also shows the ionCube loader if any.

# php -v
PHP 5.4.16 (cli) (built: Oct 31 2014 12:59:36)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
    with the ionCube PHP Loader v4.7.5, Copyright (c) 2002-2014, by ionCube Ltd.

3. Check PHP Fast CGI version.

# php-fpm -v
PHP 5.4.37 (fpm-fcgi) (built: Jan 21 2015 11:13:07)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
    with the ionCube PHP Loader v4.7.5, Copyright (c) 2002-2014, by ionCube Ltd.

4. Check Nginx version.

# nginx -v
nginx version: nginx/1.8.0

5. Check Nginx version with configuration options.

# nginx -V
nginx version: nginx/1.8.0
built by gcc 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC)
built with OpenSSL 1.0.1e-fips 11 Feb 2013
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_auth_request_module --with-mail --with-mail_ssl_module --with-file-aio --with-ipv6 --with-http_spdy_module --with-cc-opt='-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic'

6. Check Apache version.

# httpd -v
Server version: Apache/2.4.6 (CentOS)
Server built:   Mar 12 2015 15:07:19

7. Check Apache version with configuration options.

# httpd -V
Server version: Apache/2.4.6 (CentOS)
Server built:   Mar 12 2015 15:07:19
Server's Module Magic Number: 20120211:24
Server loaded:  APR 1.4.8, APR-UTIL 1.5.2
Compiled using: APR 1.4.8, APR-UTIL 1.5.2
Architecture:   64-bit
Server MPM:     prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=256
 -D HTTPD_ROOT="/etc/httpd"
 -D SUEXEC_BIN="/usr/sbin/suexec"
 -D DEFAULT_PIDLOG="/run/httpd/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

8. Check 389 Directory version.

# /usr/sbin/ns-slapd -v
389 Project
389-Directory/1.3.3.1 B2015.118.1941

9. Check installed Packages.

# rpm -qa | grep 389
389-adminutil-devel-1.1.21-2.el7.x86_64
389-ds-base-libs-1.3.3.1-16.el7_1.x86_64
389-admin-1.1.38-1.el7.x86_64
389-ds-base-devel-1.3.3.1-16.el7_1.x86_64
389-adminutil-1.1.21-2.el7.x86_64
389-ds-base-1.3.3.1-16.el7_1.x86_64

10. Check Bind name server version.

# /usr/sbin/named -v
BIND 9.9.4-RedHat-9.9.4-18.el7_1.1 (Extended Support Version)

11. Check zimbra collabration suites version.

# su - zimbra
$ zmcontrol -v
Release 8.5.0_GA_3042.RHEL6_64_20140828192005 RHEL6_64 FOSS edition.

12. Check VSFTP server version.

# /usr/sbin/vsftpd -v
vsftpd: version 3.0.2

13. Check OpenSSL client version.

# /usr/bin/ssh -V
OpenSSH_6.6.1p1, OpenSSL 1.0.1e-fips 11 Feb 2013

14. Check MySQL client version.

# /usr/bin/mysql -V
/usr/bin/mysql  Ver 15.1 Distrib 5.5.41-MariaDB, for Linux (x86_64) using readline 5.1

15. Check Varnish version.

# /usr/sbin/varnishd -V
varnishd (varnish-4.0.3 revision b8c4a34)
Copyright (c) 2006 Verdens Gang AS
Copyright (c) 2006-2014 Varnish Software AS

16. Check LVM version.

# lvm version
  LVM version:     2.02.115(2)-RHEL7 (2015-01-28)
  Library version: 1.02.93-RHEL7 (2015-01-28)
  Driver version:  4.29.0