Frequently Asked Questions About Linux / UNIX » Package management http://www.cyberciti.biz/faq Every answer asks a more beautiful question. Fri, 03 Feb 2012 22:38:32 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Linux Install an RPM Filehttp://www.cyberciti.biz/faq/rhel-redhat-fedora-opensuse-linux-install-rpmfile-command/ http://www.cyberciti.biz/faq/rhel-redhat-fedora-opensuse-linux-install-rpmfile-command/#comments Sun, 24 Apr 2011 21:37:40 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=10383 I'm a new Linux system administrator and wanted to perform software installation and maintenance. I've downloaded a file called awstats.i386.rpm and how do I install it under CentOS / RHEL / Suse / Fedora / Redhat Linux?]]> http://www.cyberciti.biz/faq/rhel-redhat-fedora-opensuse-linux-install-rpmfile-command/feed/ 1 phpMyAdmin: Cannot load mysql extension. Please check your PHP configurationhttp://www.cyberciti.biz/faq/cannot-load-mysql-extension-check-your-phpconfiguration/ http://www.cyberciti.biz/faq/cannot-load-mysql-extension-check-your-phpconfiguration/#comments Sun, 14 Mar 2010 15:14:31 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=6780 I got new server and installed phpMyAdmin. But whenever I visit the phpmyadmin url it says:

Cannot load mysql extension. Please check your PHP configuration

How do I fix this problem under CentOS / RHEL / Fedora Linux Apache web server?
]]> http://www.cyberciti.biz/faq/cannot-load-mysql-extension-check-your-phpconfiguration/feed/ 2 Linux Configure Tata Indicom Photon+ Mobile Broadbandhttp://www.cyberciti.biz/faq/howto-configure-tataindicom-mobile-broadband-on-linux/ http://www.cyberciti.biz/faq/howto-configure-tataindicom-mobile-broadband-on-linux/#comments Fri, 04 Dec 2009 07:58:24 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=5918 I've Huawei technologies EC1260 CDMA HSIA USB modem. How do I configure Tata Teleservices "Tata Photon+ Mobile Broadband" Service under Linux operating systems using this modem?]]> http://www.cyberciti.biz/faq/howto-configure-tataindicom-mobile-broadband-on-linux/feed/ 51 Rsnapshot WARNING: Could not lchown() symlink "/path/to/file" Error and Solutionhttp://www.cyberciti.biz/faq/warning-could-not-lchown/ http://www.cyberciti.biz/faq/warning-could-not-lchown/#comments Tue, 03 Nov 2009 16:17:05 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=5613 I got rsnapshot based backup server up and running for my network under Debian Linux 5.x. But, whenever I run a backup job using the following command:
rsnapshot -v -c /root/rsnapshot.server1.conf hourly
I get the following messages on screen:
WARNING: Could not lchown() symlink "/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/locate" WARNING: Could not lchown() symlink "/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/nc.1.gz" WARNING: Could not lchown() symlink "/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/jexec-binfmt" WARNING: Could not lchown() symlink "/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/servertool"

How do I fix this problem?]]> http://www.cyberciti.biz/faq/warning-could-not-lchown/feed/ 3 How To: Upgrade CentOS Linux 5.3 to v5.4http://www.cyberciti.biz/faq/upgrade-centos-linux/ http://www.cyberciti.biz/faq/upgrade-centos-linux/#comments Thu, 22 Oct 2009 07:17:07 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=5451 How do I upgrade CentOS Linux from version 5.3 to latest version 5.4 over the Internet?]]> http://www.cyberciti.biz/faq/upgrade-centos-linux/feed/ 9 CentOS / Redhat: Protect Yum Repo's Packageshttp://www.cyberciti.biz/faq/rhel-centos-fedora-yum-protect-packages-from-certain-repositories/ http://www.cyberciti.biz/faq/rhel-centos-fedora-yum-protect-packages-from-certain-repositories/#comments Mon, 19 Oct 2009 03:00:19 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=5434 How do I protect my yum repo's packages from certain repositories getting replaced / updated via yum command itself under CentOS / RHEL / Redhat Enterprise Linux?]]> http://www.cyberciti.biz/faq/rhel-centos-fedora-yum-protect-packages-from-certain-repositories/feed/ 1 FreeBSD Upgrade Perl 5.8.x to 5.10.xhttp://www.cyberciti.biz/faq/freebsd-upgrade-perl-software/ http://www.cyberciti.biz/faq/freebsd-upgrade-perl-software/#comments Wed, 23 Sep 2009 12:36:53 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=5214 How do I upgrade Perl version under FreeBSD operating system?]]> http://www.cyberciti.biz/faq/freebsd-upgrade-perl-software/feed/ 3 FreeBSD Update All Installed Ports / Applicationshttp://www.cyberciti.biz/faq/freebsd-updating-software-ports-applications/ http://www.cyberciti.biz/faq/freebsd-updating-software-ports-applications/#comments Wed, 26 Aug 2009 17:17:02 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4991 It is recommended that to keep FreeBSD systems up to date with the latest application security patches installed via ports collection. The yum command line tool is used to install and update software packages under CentOS / RHEL / Fedora Linux. However, I've tons of apps installed under FreeBSD. How do I upgrade all packages under FreeBSD?]]> http://www.cyberciti.biz/faq/freebsd-updating-software-ports-applications/feed/ 5 hdparm: HDIO_DRIVE_CMD(identify) Failed: Inappropriate Ioctl For Devicehttp://www.cyberciti.biz/faq/hdiodrive_cmdidentify-failed-inappropriate-ioctl-device/ http://www.cyberciti.biz/faq/hdiodrive_cmdidentify-failed-inappropriate-ioctl-device/#comments Sun, 23 Aug 2009 13:11:32 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4921 When I run hdparm -tT /dev/sda command under CentOS / RHEL I get the following error on screen:
/dev/sda: Timing buffered disk reads: 908 MB in 3.00 seconds = 302.39 MB/sec HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device

How do I fix this problem?]]> http://www.cyberciti.biz/faq/hdiodrive_cmdidentify-failed-inappropriate-ioctl-device/feed/ 0 Adobe Photoshop Alternatives For Linux Desktophttp://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/ http://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/#comments Thu, 13 Aug 2009 08:56:31 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4752 I need Photoshop alternative under Ubuntu Linux for basic editing. I know Photoshop can be run using Wine but I'm not able to afford expensive software for just basic editing. Can you suggest a few free FOSS apps that works as alternatives to Photoshop under Ubuntu or Fedora Linux desktop operating systems?]]> http://www.cyberciti.biz/faq/adobe-photoshop-alternatives-for-linux-desktop/feed/ 6 Is Open Source Software Legal To Use For My Business?http://www.cyberciti.biz/faq/is-linux-open-source-software-legal-for-business/ http://www.cyberciti.biz/faq/is-linux-open-source-software-legal-for-business/#comments Fri, 07 Aug 2009 18:57:56 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4704 I can download and keep using free and open source software (FOSS) on multiple computers. Is this software legal to use for my business? Can you provide some legal information regarding usage of open source software for business which I can share with my boss? ]]> http://www.cyberciti.biz/faq/is-linux-open-source-software-legal-for-business/feed/ 2 How To Setup OpenVZ under RHEL / CentOS Linuxhttp://www.cyberciti.biz/faq/openvz-rhel-centos-linux-tutorial/ http://www.cyberciti.biz/faq/openvz-rhel-centos-linux-tutorial/#comments Thu, 06 Aug 2009 19:19:12 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4661 Ineed to run more than instance of Linux operating system and different Linux distributions under CentOS. How do I use OpenVZ virtualization to optimize the usage of my Dell servers, and create test Linux VPS running Debian, Ubuntu, and CentOS Linux? How do I deploy OpenVZ under CentOS / RHEL Linux? Read RHEL / CentOS OpenVZ Virtualization Tutorial Series: ]]> http://www.cyberciti.biz/faq/openvz-rhel-centos-linux-tutorial/feed/ 3 Centos Install and Configure MRTGhttp://www.cyberciti.biz/faq/centos-fedora-linux-multi-router-traffic-grapher-tutorial/ http://www.cyberciti.biz/faq/centos-fedora-linux-multi-router-traffic-grapher-tutorial/#comments Thu, 30 Jul 2009 08:52:58 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4561 How do I install and configure MRTG under Fedora Linux or CentOS Linux v5.x server to monitor the traffic load on network-links including routers?]]> http://www.cyberciti.biz/faq/centos-fedora-linux-multi-router-traffic-grapher-tutorial/feed/ 7 Linux Disable and Remove X Windows (X.org)http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/ http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/#comments Sat, 18 Jul 2009 09:47:31 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4520 I revived my new Dell server pre installed with Red Hat Enterprise Linux server v5.2. However, my box boot with a GUI login system ( Gnome ). There is no reason to run X Windows on my dedicated mail and Apache web server. I only need ssh. How do I disable X login and windows without reinstalling the operating system to improve security and performance?]]> http://www.cyberciti.biz/faq/centos-rhel-fedora-linux-disable-remove-x-windows-org/feed/ 11 RHEL / CentOS: yum Lists / Installs Only Security Updateshttp://www.cyberciti.biz/faq/redhat-fedora-centos-linux-yum-installs-security-updates/ http://www.cyberciti.biz/faq/redhat-fedora-centos-linux-yum-installs-security-updates/#comments Thu, 09 Jul 2009 19:39:04 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4430 How do I only list or install only security updates under RHEL 5.x or CentOS Linux server? How do I find out security updates descriptions such as CVE, bugs, issued date and type for each patch?]]> http://www.cyberciti.biz/faq/redhat-fedora-centos-linux-yum-installs-security-updates/feed/ 16 CentOS: Install Packages Via yum Command Using DVD / CD as Repohttp://www.cyberciti.biz/faq/centos-linux-install-packages-from-dvd-using-yum/ http://www.cyberciti.biz/faq/centos-linux-install-packages-from-dvd-using-yum/#comments Tue, 30 Jun 2009 13:34:27 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4275 How do I install packages via DVD / CD using yum command under CentOS Community Enterprise Linux version 5.x?]]> http://www.cyberciti.biz/faq/centos-linux-install-packages-from-dvd-using-yum/feed/ 6 Uninstall / Remove Webmin Softwarehttp://www.cyberciti.biz/faq/linux-unix-freebsd-rhel-debian-delete-webmin/ http://www.cyberciti.biz/faq/linux-unix-freebsd-rhel-debian-delete-webmin/#comments Fri, 19 Jun 2009 14:09:21 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4146 How do I uninstall or remove Webmin software under Linux / UNIX operating system?]]> http://www.cyberciti.biz/faq/linux-unix-freebsd-rhel-debian-delete-webmin/feed/ 0 Linux / BSD Shell Doesn't Recognize Newly Installed Binarieshttp://www.cyberciti.biz/faq/freebsd-shell-doesnt-recognize-newly-installed-programs/ http://www.cyberciti.biz/faq/freebsd-shell-doesnt-recognize-newly-installed-programs/#comments Tue, 16 Jun 2009 19:21:11 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4069 I've installed few software using tar ball format under Linux or FreeBSD ports using make command. However, my system doesn't recognize the installed command. I've to reboot the system or log out and log in again to use the same. How do I fix this problem?]]> http://www.cyberciti.biz/faq/freebsd-shell-doesnt-recognize-newly-installed-programs/feed/ 0 Fedora 11 Upgrade Tutorialhttp://www.cyberciti.biz/faq/upgrade-fedora-11/ http://www.cyberciti.biz/faq/upgrade-fedora-11/#comments Wed, 10 Jun 2009 07:43:47 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=4012 I've already got Fedora 10 and want to upgrade to Fedora 11. How do I upgrade my computer from Fedora Linux 10 to Fedora Linux 11?]]> http://www.cyberciti.biz/faq/upgrade-fedora-11/feed/ 28 keychain: Set Up Secure Passwordless SSH Access For Backup Scriptshttp://www.cyberciti.biz/faq/ssh-passwordless-login-with-keychain-for-scripts/ http://www.cyberciti.biz/faq/ssh-passwordless-login-with-keychain-for-scripts/#comments Sat, 06 Jun 2009 08:08:47 +0000 Vivek Gite http://www.cyberciti.biz/faq/?p=3938 We establish connections to remote systems without supplying a password, however I do not want to store my password less keys ( passphrase-free keys) on my servers. ssh-agent, takes care of keys with passphase, which allowing me to easily have ssh-agent process per system per login session. How do I dramatically reduces the number of times I've to punch my passphrase from once per new login session to once every time my local server is rebooted? How do I use keychain utility for all my backup scripts for secure passwordless login?]]> http://www.cyberciti.biz/faq/ssh-passwordless-login-with-keychain-for-scripts/feed/ 9