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> <channel><title>Frequently Asked Questions About Linux / UNIX &#187; linux system</title> <atom:link href="http://www.cyberciti.biz/faq/tag/linux-system/feed/" rel="self" type="application/rss+xml" /><link>http://www.cyberciti.biz/faq</link> <description>Every answer asks a more beautiful question.</description> <lastBuildDate>Fri, 03 Feb 2012 22:38:32 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>Remote Shutdown of a Linux / Unix Computer From MS-Windows</title><link>http://www.cyberciti.biz/faq/shutdown-remote-linux-server-pc-from-windows-computer/</link> <comments>http://www.cyberciti.biz/faq/shutdown-remote-linux-server-pc-from-windows-computer/#comments</comments> <pubDate>Wed, 13 Jul 2011 07:00:59 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Linux]]></category> <category><![CDATA[Windows]]></category> <category><![CDATA[based computers]]></category> <category><![CDATA[dd wrt]]></category> <category><![CDATA[internet router]]></category> <category><![CDATA[linux computer]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[login session]]></category> <category><![CDATA[ms windows operating system]]></category> <category><![CDATA[network protocol]]></category> <category><![CDATA[putty ssh client]]></category> <category><![CDATA[remote administration]]></category> <category><![CDATA[remote server]]></category> <category><![CDATA[remote shutdown]]></category> <category><![CDATA[secure shell]]></category> <category><![CDATA[sudo]]></category> <category><![CDATA[system shutdown]]></category> <category><![CDATA[terminal emulator]]></category> <category><![CDATA[unix server]]></category> <category><![CDATA[windows system]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=10820</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/windows/' title='See all Micro$oft related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/wine.png' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I shutdown remote Linux or UNIX system from MS-Windows system?
]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/shutdown-remote-linux-server-pc-from-windows-computer/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Linux: What is Dash ( /bin/dash ) Shell?</title><link>http://www.cyberciti.biz/faq/debian-ubuntu-linux-binbash-vs-bindash-vs-binshshell/</link> <comments>http://www.cyberciti.biz/faq/debian-ubuntu-linux-binbash-vs-bindash-vs-binshshell/#comments</comments> <pubDate>Sat, 28 May 2011 12:43:18 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[/bin/dash vs /bin/bash]]></category> <category><![CDATA[/bin/sh vs /bin/dash]]></category> <category><![CDATA[bash vs dash]]></category> <category><![CDATA[command interpreter]]></category> <category><![CDATA[compliant implementation]]></category> <category><![CDATA[dash]]></category> <category><![CDATA[default shell]]></category> <category><![CDATA[default system]]></category> <category><![CDATA[korn]]></category> <category><![CDATA[korn shell]]></category> <category><![CDATA[linux shell]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[posix]]></category> <category><![CDATA[sh vs dash]]></category> <category><![CDATA[shell scripts]]></category> <category><![CDATA[system boot time]]></category> <category><![CDATA[system shell]]></category> <category><![CDATA[ubuntu]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=10598</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/bash-shell/' title='See all Bash/Shell scripting related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/terminal.png' border='0' /></a></div> <span
class="drop_cap">W</span>hat is /bin/dash? I noticed that the default system shell /bin/sh was changed to /bin/dash. Why was this change made?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/debian-ubuntu-linux-binbash-vs-bindash-vs-binshshell/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Ubuntu Linux Stop a Process</title><link>http://www.cyberciti.biz/faq/stop-process-ubuntu-linux-command/</link> <comments>http://www.cyberciti.biz/faq/stop-process-ubuntu-linux-command/#comments</comments> <pubDate>Sat, 23 Apr 2011 21:19:38 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[active processes]]></category> <category><![CDATA[administration system]]></category> <category><![CDATA[gnome system]]></category> <category><![CDATA[gnome-system-monitor command]]></category> <category><![CDATA[grep command]]></category> <category><![CDATA[killall command]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[pkill command]]></category> <category><![CDATA[ps command]]></category> <category><![CDATA[running processes]]></category> <category><![CDATA[SIGKILL]]></category> <category><![CDATA[signal 9]]></category> <category><![CDATA[signal names]]></category> <category><![CDATA[sudo command]]></category> <category><![CDATA[system menu]]></category> <category><![CDATA[system monitor]]></category> <category><![CDATA[unix linux]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=10340</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/ubuntu-linux/' title='See all Ubuntu Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/ubuntu-logo.jpg' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I stop a process under Ubuntu Linux using command line and GUI tools?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/stop-process-ubuntu-linux-command/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Ubuntu Check RAM Memory Chip Speed and Specification From Within a Linux System</title><link>http://www.cyberciti.biz/faq/ubuntu-check-ram-memory-speed-specification-within-linux-machine/</link> <comments>http://www.cyberciti.biz/faq/ubuntu-check-ram-memory-speed-specification-within-linux-machine/#comments</comments> <pubDate>Wed, 09 Feb 2011 20:22:43 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[64 bits]]></category> <category><![CDATA[asset tag]]></category> <category><![CDATA[bank 1]]></category> <category><![CDATA[bios revision]]></category> <category><![CDATA[dmi]]></category> <category><![CDATA[dmidecode command]]></category> <category><![CDATA[hardware components]]></category> <category><![CDATA[hardware information]]></category> <category><![CDATA[human readable format]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[location system]]></category> <category><![CDATA[maximum capacity]]></category> <category><![CDATA[memory array]]></category> <category><![CDATA[memory device]]></category> <category><![CDATA[memory error]]></category> <category><![CDATA[physical memory]]></category> <category><![CDATA[ram chip]]></category> <category><![CDATA[speed type]]></category> <category><![CDATA[synchronous speed]]></category> <category><![CDATA[table contents]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=9976</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/ubuntu-linux/' title='See all Ubuntu Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/ubuntu-logo.jpg' border='0' /></a></div> <span
class="drop_cap">I</span> want to add more RAM to my server running Ubuntu Linux. How do I find out my current RAM chip information such as its speed, type and manufacturer name within a Linux system without opening the case? ]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/ubuntu-check-ram-memory-speed-specification-within-linux-machine/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Linux Change Password</title><link>http://www.cyberciti.biz/faq/linux-change-password/</link> <comments>http://www.cyberciti.biz/faq/linux-change-password/#comments</comments> <pubDate>Mon, 06 Dec 2010 22:45:44 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Linux]]></category> <category><![CDATA[/etc/passwd]]></category> <category><![CDATA[/etc/shadow]]></category> <category><![CDATA[centos change password]]></category> <category><![CDATA[command passwd]]></category> <category><![CDATA[credentials]]></category> <category><![CDATA[Debian Change Password]]></category> <category><![CDATA[Fedora Change Password]]></category> <category><![CDATA[Gentoo Change Password]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[Mandriva Change Password]]></category> <category><![CDATA[OpenSUSE Change Password]]></category> <category><![CDATA[passwd command]]></category> <category><![CDATA[passwords]]></category> <category><![CDATA[Redhat Change Password]]></category> <category><![CDATA[RHEL Change Password]]></category> <category><![CDATA[root account]]></category> <category><![CDATA[root user]]></category> <category><![CDATA[Slackware Change Password]]></category> <category><![CDATA[Suse Change Password]]></category> <category><![CDATA[system administrator]]></category> <category><![CDATA[Ubuntu Change Password]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=9551</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I change my own password as well as the passwords of other users as required under Linux operating system without using GUI systems?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/linux-change-password/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Linux: Bash Get Time</title><link>http://www.cyberciti.biz/faq/unix-linux-bash-get-time/</link> <comments>http://www.cyberciti.biz/faq/unix-linux-bash-get-time/#comments</comments> <pubDate>Wed, 27 Oct 2010 11:25:23 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Linux]]></category> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[current time]]></category> <category><![CDATA[date command]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[system time]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[unix system]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=9159</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I get the system time in BASH? How can I get the Linux system using bash shell?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/unix-linux-bash-get-time/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Delete SSH Keys</title><link>http://www.cyberciti.biz/faq/linux-unix-bsd-deleting-an-ssh-key/</link> <comments>http://www.cyberciti.biz/faq/linux-unix-bsd-deleting-an-ssh-key/#comments</comments> <pubDate>Thu, 24 Jun 2010 01:06:24 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[UNIX]]></category> <category><![CDATA[home computer]]></category> <category><![CDATA[hp]]></category> <category><![CDATA[hp ux]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[mv]]></category> <category><![CDATA[passwd -l lock]]></category> <category><![CDATA[passwd command]]></category> <category><![CDATA[public key]]></category> <category><![CDATA[pw command]]></category> <category><![CDATA[remote server]]></category> <category><![CDATA[unix command]]></category> <category><![CDATA[unix linux]]></category> <category><![CDATA[unix systems]]></category> <category><![CDATA[userdel command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=7948</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/unix/' title='See all UNIX related articles/faq'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/unix-logo.gif' border='0' /></a></div> <span
class="drop_cap">O</span>ne my user leaves the office and I'd like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/linux-unix-bsd-deleting-an-ssh-key/feed/</wfw:commentRss> <slash:comments>5</slash:comments> </item> <item><title>Linux: Change the PATH [ Add New Directory ]</title><link>http://www.cyberciti.biz/faq/bash-linux-change-path-variable-etc-byediting-profile-bash_profile/</link> <comments>http://www.cyberciti.biz/faq/bash-linux-change-path-variable-etc-byediting-profile-bash_profile/#comments</comments> <pubDate>Mon, 01 Feb 2010 11:02:02 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Linux]]></category> <category><![CDATA[/etc/profile]]></category> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[echo command]]></category> <category><![CDATA[export path]]></category> <category><![CDATA[export PATH=$PATH:]]></category> <category><![CDATA[linux operating systems]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[login session]]></category> <category><![CDATA[logout]]></category> <category><![CDATA[path change]]></category> <category><![CDATA[path path]]></category> <category><![CDATA[path settings]]></category> <category><![CDATA[separator]]></category> <category><![CDATA[~/.bash_profile]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=9892</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I change the PATH settings under Linux operating systems and add a new directory to $PATH under bash shell?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/bash-linux-change-path-variable-etc-byediting-profile-bash_profile/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Linux Upgrade Password Hashing Algorithm to SHA-512</title><link>http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-upgrading-password-hashing/</link> <comments>http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-upgrading-password-hashing/#comments</comments> <pubDate>Tue, 10 Nov 2009 02:11:36 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[CentOS]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[User Management]]></category> <category><![CDATA[/etc/shadow]]></category> <category><![CDATA[authconfig command]]></category> <category><![CDATA[authentication client]]></category> <category><![CDATA[default algorithm]]></category> <category><![CDATA[enterprise linux]]></category> <category><![CDATA[hashes]]></category> <category><![CDATA[hashing algorithm]]></category> <category><![CDATA[kerberos 5]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[passwords]]></category> <category><![CDATA[sha]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=5736</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> <span
class="drop_cap">T</span>he default algorithm for storing password hashes in <a
href="http://www.cyberciti.biz/faq/understanding-etcshadow-file/">/etc/shadow</a> is MD5. I was told to use SHA-512 hashing algorithm. How do I set password hashing using the SHA-256 and SHA-512 under CentOS or Redhat Enterprise Linux 5.4?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-upgrading-password-hashing/feed/</wfw:commentRss> <slash:comments>10</slash:comments> </item> <item><title>Linux Hotplug a CPU</title><link>http://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/</link> <comments>http://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/#comments</comments> <pubDate>Thu, 02 Apr 2009 17:18:35 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[fedora linux]]></category> <category><![CDATA[Hardware]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Suse]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[/sys/devices/system/cpu]]></category> <category><![CDATA[bios]]></category> <category><![CDATA[centos hotplug cpu]]></category> <category><![CDATA[cpuinfo]]></category> <category><![CDATA[debian hotplug cpu]]></category> <category><![CDATA[defective components]]></category> <category><![CDATA[echo 1]]></category> <category><![CDATA[Gentoo hotplug cpu]]></category> <category><![CDATA[kernel]]></category> <category><![CDATA[linux partitions]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[redhat hotplug cpu]]></category> <category><![CDATA[suse hotplug cpu]]></category> <category><![CDATA[system cpu]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=3555</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I hotplug a CPU on a running Linux system? I would like to dynamically enable or disable a CPU on a running system?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/debian-rhel-centos-redhat-suse-hotplug-cpu/feed/</wfw:commentRss> <slash:comments>16</slash:comments> </item> <item><title>Solaris Buffer Overflow Protection</title><link>http://www.cyberciti.biz/faq/solaris-buffer-overflow-protection/</link> <comments>http://www.cyberciti.biz/faq/solaris-buffer-overflow-protection/#comments</comments> <pubDate>Mon, 16 Mar 2009 11:57:50 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Security]]></category> <category><![CDATA[Solaris-Unix]]></category> <category><![CDATA[/etc/system]]></category> <category><![CDATA[buffer overflow protection]]></category> <category><![CDATA[hackers]]></category> <category><![CDATA[init command]]></category> <category><![CDATA[kernel parameters]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[noexec_user_stack=1]]></category> <category><![CDATA[set noexec_user_stack_log=1]]></category> <category><![CDATA[solaris system]]></category> <category><![CDATA[stack]]></category> <category><![CDATA[sun solaris]]></category> <category><![CDATA[system init]]></category> <category><![CDATA[unix kernel]]></category> <category><![CDATA[unix operating system]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=3471</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/solaris-unix/' title='See all Sun Solaris UNIX related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/sun-solaris.gif' border='0' /></a></div> <span
class="drop_cap">O</span>ne of the most common ways for hackers to break into a Solaris system is to exploit buffer overflows. How do I turn on buffer overflow protection under Solaris UNIX operating system just like <a
href="http://www.cyberciti.biz/faq/what-is-rhel-centos-fedora-core-execshield/" target="_blank">CentOS/Redhat Linux</a> system?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/solaris-buffer-overflow-protection/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Debian Linux Install GNU GCC Compiler and Development Environment</title><link>http://www.cyberciti.biz/faq/debian-linux-install-gnu-gcc-compiler/</link> <comments>http://www.cyberciti.biz/faq/debian-linux-install-gnu-gcc-compiler/#comments</comments> <pubDate>Thu, 26 Feb 2009 13:22:44 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Package management]]></category> <category><![CDATA[Programming]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[apt-get command]]></category> <category><![CDATA[apt-get install  build-essential]]></category> <category><![CDATA[command line options]]></category> <category><![CDATA[compiler tools]]></category> <category><![CDATA[debian packages]]></category> <category><![CDATA[development environment]]></category> <category><![CDATA[gcc version]]></category> <category><![CDATA[gnu gcc]]></category> <category><![CDATA[gnu gcc compiler]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[make version]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=3387</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/debian-ubuntu/' title='See all Debian/Ubuntu Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/debianlogo.gif' border='0' /></a></div> <span
class="drop_cap">H</span>ow do I install GNU/GCC compiler tools collection under Debian Linux system using command line options?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/debian-linux-install-gnu-gcc-compiler/feed/</wfw:commentRss> <slash:comments>9</slash:comments> </item> <item><title>Linux / UNIX Automatically Log BASH / TCSH / SSH Users Out After a Period of Inactivity</title><link>http://www.cyberciti.biz/faq/linux-unix-login-bash-shell-force-time-outs/</link> <comments>http://www.cyberciti.biz/faq/linux-unix-login-bash-shell-force-time-outs/#comments</comments> <pubDate>Tue, 24 Feb 2009 20:16:49 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[fedora linux]]></category> <category><![CDATA[FreeBSD]]></category> <category><![CDATA[HP-UX Unix]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Monitoring]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Suse]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[bash timeout]]></category> <category><![CDATA[export TMOUT]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[minute idle time]]></category> <category><![CDATA[period of inactivity]]></category> <category><![CDATA[server security]]></category> <category><![CDATA[set -r autologout]]></category> <category><![CDATA[set command]]></category> <category><![CDATA[ssh clients]]></category> <category><![CDATA[ssh timeout]]></category> <category><![CDATA[sshd]]></category> <category><![CDATA[tcsh timeout]]></category> <category><![CDATA[time out]]></category> <category><![CDATA[time outs]]></category> <category><![CDATA[timeout interval]]></category> <category><![CDATA[tmout]]></category> <category><![CDATA[unix login]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=3379</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/faq/category/bash-shell/' title='See all Bash/Shell scripting related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/terminal.png' border='0' /></a></div> <span
class="drop_cap">M</span>y development and testing webserver is used by over 100s of users. These users login from Windows XP, Linux, Mac OS X  system via ssh. How do I set or automatically log users out after a period of inactivity under CentOS Linux server to improve server security and save some resources?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/linux-unix-login-bash-shell-force-time-outs/feed/</wfw:commentRss> <slash:comments>12</slash:comments> </item> <item><title>How do I know When I Need To Update My Linux System Software?</title><link>http://www.cyberciti.biz/faq/linux-update-my-system/</link> <comments>http://www.cyberciti.biz/faq/linux-update-my-system/#comments</comments> <pubDate>Sat, 24 May 2008 12:22:44 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Package management]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[centos linux]]></category> <category><![CDATA[debian]]></category> <category><![CDATA[debian linux]]></category> <category><![CDATA[linux distribution]]></category> <category><![CDATA[linux red hat]]></category> <category><![CDATA[linux server]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[linux system software]]></category> <category><![CDATA[new patches]]></category> <category><![CDATA[notification tool]]></category> <category><![CDATA[red hat]]></category> <category><![CDATA[rhel]]></category> <category><![CDATA[rhel 5]]></category> <category><![CDATA[server system]]></category> <category><![CDATA[software]]></category> <category><![CDATA[yum]]></category> <category><![CDATA[yum command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=1079</guid> <description><![CDATA[How do I know when I need to update my Linux system? How do I know new patches are available for  CentOS Linux (Red Hat) / Debian Linux server system?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/linux-update-my-system/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Reboot Linux System Command</title><link>http://www.cyberciti.biz/faq/howto-reboot-linux/</link> <comments>http://www.cyberciti.biz/faq/howto-reboot-linux/#comments</comments> <pubDate>Fri, 11 Apr 2008 07:49:52 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[Hardware]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Solaris-Unix]]></category> <category><![CDATA[Suse]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[24hr clock]]></category> <category><![CDATA[broadcast message]]></category> <category><![CDATA[linux server]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[logins]]></category> <category><![CDATA[reboot command]]></category> <category><![CDATA[reboot computer]]></category> <category><![CDATA[reboot linux]]></category> <category><![CDATA[remote server]]></category> <category><![CDATA[root user]]></category> <category><![CDATA[shutdown command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=1060</guid> <description><![CDATA[How do I reboot my Linux system? How do I reboot remote Linux system?]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/howto-reboot-linux/feed/</wfw:commentRss> <slash:comments>9</slash:comments> </item> <item><title>chrt  command: Set / Manipulate Real Time Attributes of a Linux Process</title><link>http://www.cyberciti.biz/faq/howto-set-real-time-scheduling-priority-process/</link> <comments>http://www.cyberciti.biz/faq/howto-set-real-time-scheduling-priority-process/#comments</comments> <pubDate>Thu, 06 Mar 2008 18:46:27 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[background processes]]></category> <category><![CDATA[batch processes]]></category> <category><![CDATA[change scheduling priority]]></category> <category><![CDATA[chrt]]></category> <category><![CDATA[chrt command]]></category> <category><![CDATA[CPU affinity mask]]></category> <category><![CDATA[critical applications]]></category> <category><![CDATA[linux change scheduling algorithm]]></category> <category><![CDATA[linux kernel]]></category> <category><![CDATA[linux scheduler]]></category> <category><![CDATA[linux scheduling priority]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[real time scheduling]]></category> <category><![CDATA[scheduling algorithms]]></category> <category><![CDATA[scheduling priority]]></category> <category><![CDATA[system utilities]]></category> <category><![CDATA[time attributes]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/howto-set-real-time-scheduling-priority-process/</guid> <description><![CDATA[Q. How do I set the real time scheduling priority of a process under Linux operating system using a shell prompt? A. You can use chrt command to set or retrieve the real-time scheduling attributes / scheduling priority of an existing PID. You can also run COMMAND with the given attributes. Understanding Linux Scheduling Priorities [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/howto-set-real-time-scheduling-priority-process/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Is There a UNIX / Linux unerase / undelete Command?</title><link>http://www.cyberciti.biz/faq/unix-linux-undelete-unerase-command/</link> <comments>http://www.cyberciti.biz/faq/unix-linux-undelete-unerase-command/#comments</comments> <pubDate>Wed, 05 Mar 2008 19:02:05 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[AIX]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[File system]]></category> <category><![CDATA[FreeBSD]]></category> <category><![CDATA[HP-UX Unix]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Openbsd]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Solaris-Unix]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[alias]]></category> <category><![CDATA[backups]]></category> <category><![CDATA[best solution]]></category> <category><![CDATA[bsd unix]]></category> <category><![CDATA[data recovery]]></category> <category><![CDATA[guaranty]]></category> <category><![CDATA[hp]]></category> <category><![CDATA[hp ux]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[mv]]></category> <category><![CDATA[operating system]]></category> <category><![CDATA[recovery tool]]></category> <category><![CDATA[short answer]]></category> <category><![CDATA[snapshots]]></category> <category><![CDATA[unerase]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[unix linux]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/unix-linux-undelete-unerase-command/</guid> <description><![CDATA[Q. Is There a UNIX / Linux unerase or undelete command? How do I undelete files under a UNIX / Linux system? A.. Short answer - no. There is no "unerase" or "undelete" command in Linux / *BSD / Unix like operating system such as AIX or HP-UX . The best solution is to restore [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/unix-linux-undelete-unerase-command/feed/</wfw:commentRss> <slash:comments>5</slash:comments> </item> <item><title>How To Test Linux Operating System for IPv6 Networking Support</title><link>http://www.cyberciti.biz/faq/check-for-ipv6-support-in-linux-kernel/</link> <comments>http://www.cyberciti.biz/faq/check-for-ipv6-support-in-linux-kernel/#comments</comments> <pubDate>Tue, 19 Feb 2008 13:45:54 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[ipv6]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[apf ipv6]]></category> <category><![CDATA[cat command]]></category> <category><![CDATA[conditional code]]></category> <category><![CDATA[enable ipv6 in linux]]></category> <category><![CDATA[enable ipv6 on linux]]></category> <category><![CDATA[enterprise linux]]></category> <category><![CDATA[find ipv6 support linux command]]></category> <category><![CDATA[how to test ipv6 support]]></category> <category><![CDATA[ipv6 in linux]]></category> <category><![CDATA[ipv6 on linux]]></category> <category><![CDATA[ipv6 tests on linux]]></category> <category><![CDATA[linux code for ipv6]]></category> <category><![CDATA[linux configuration]]></category> <category><![CDATA[linux enable ipv6]]></category> <category><![CDATA[linux ipv6]]></category> <category><![CDATA[linux ipv6 config]]></category> <category><![CDATA[linux ipv6 configuration]]></category> <category><![CDATA[linux ipv6 howto]]></category> <category><![CDATA[linux ipv6 ready]]></category> <category><![CDATA[linux kernel ipv6]]></category> <category><![CDATA[linux server]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[mandrake linux]]></category> <category><![CDATA[networking support]]></category> <category><![CDATA[proc file system]]></category> <category><![CDATA[protocol stack]]></category> <category><![CDATA[redhat ipv6]]></category> <category><![CDATA[shell]]></category> <category><![CDATA[suse linux ipv6]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/check-for-ipv6-support-in-linux-kernel/</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='/faq/category/linux/' title='See all GNU/Linux related FAQ'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/linux-logo.png' border='0' /></a></div> Before I can start using IPv6 on a Linux server, how do I test, whether my Linux server system is IPv6 ready or not? If not, how do I enable IPv6 support under Redhat Enterprise Linux version 5?  ]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/check-for-ipv6-support-in-linux-kernel/feed/</wfw:commentRss> <slash:comments>5</slash:comments> </item> <item><title>How to Set JAVA_HOME / PATH variables Under Linux Bash Profile</title><link>http://www.cyberciti.biz/faq/linux-unix-set-java_home-path-variable/</link> <comments>http://www.cyberciti.biz/faq/linux-unix-set-java_home-path-variable/#comments</comments> <pubDate>Wed, 10 Oct 2007 07:37:39 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BASH Shell]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Package management]]></category> <category><![CDATA[Solaris-Unix]]></category> <category><![CDATA[Suse]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[export command]]></category> <category><![CDATA[export path]]></category> <category><![CDATA[java executable]]></category> <category><![CDATA[java home variable]]></category> <category><![CDATA[java jdk1]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[path variable]]></category> <category><![CDATA[path variables]]></category> <category><![CDATA[set environment variables]]></category> <category><![CDATA[set PATH]]></category> <category><![CDATA[startup script]]></category> <category><![CDATA[vi command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/how-to-set-java_home-path-variables-under-linux-bash-profile/</guid> <description><![CDATA[Q. I just need a help to show me how to setup java path on Linux. How can I set JAVA_HOME and PATH variables for every user under my Linux system? A. ~/.bash_profile is a startup script which generally runs once. This particular file is used for commands which run when the normal user logs [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/linux-unix-set-java_home-path-variable/feed/</wfw:commentRss> <slash:comments>53</slash:comments> </item> <item><title>Does Linux grub replace Windows MBR?</title><link>http://www.cyberciti.biz/faq/windowss-xp-vista-and-grub-bootloader/</link> <comments>http://www.cyberciti.biz/faq/windowss-xp-vista-and-grub-bootloader/#comments</comments> <pubDate>Fri, 07 Sep 2007 10:50:36 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian / Ubuntu]]></category> <category><![CDATA[File system]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat and Friends]]></category> <category><![CDATA[Suse]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[Windows]]></category> <category><![CDATA[dual boot]]></category> <category><![CDATA[dual booting]]></category> <category><![CDATA[linux grub]]></category> <category><![CDATA[linux installation]]></category> <category><![CDATA[linux system]]></category> <category><![CDATA[mbr]]></category> <category><![CDATA[partition windows]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/windowss-xp-vista-and-grub-bootloader/</guid> <description><![CDATA[Q. I’m willing to try out Ubuntu Linux but my question is Does Linux grub replace Windows MBR? Can I dual boot between Windows and Linux system? A. Yes when you install GRUB on first partition, windows MBR get replaced. In most cases GRUB automatically adds an entry for Windows XP / Vista so that [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/faq/windowss-xp-vista-and-grub-bootloader/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> </channel> </rss>
