[...]... complete listing of Red Hat administration tools Red Hat Administration Tools Description System Settings Red Hat window and menu for accessing administrative tools redhat-config-users User and Group configuration tool redhat-config-printer Printer configuration tool redhat-config-xfree86 Red Hat display configuration tool (video card and monitor) redhat-config-packages Software management redhat-config-rootpassword... user password redhat-config-keyboard Changes the keyboard configuration redhat-config-date Changes system time and date Table 1-5 Red Hat Configuration Tools Basic System Administration Red Hat Administration Tools Description redhat-config-mouse Configures your mouse redhat-config-language 21 Selects a language to use redhat-config-soundcard Configures your sound card Table 1-5 Red Hat Configuration... chkconfig 256 256 257 258 Index 261 259 259 INTRODUCTION With its up-to-date coverage of Red Hat and Linux kernel, the Red Hat Linux Administrator s Pocket Reference is just what you need to master administration fundamentals and commands This book provides all the basic aspects of the Red Hat Linux administration, with particular attention to users, devices, software, file systems, printer... redhat-config-services tool, the main panel lists different daemons and servers that you can have start by just clicking a check box 1 1 1 20 Red Hat Linux Pocket Administrator Red Hat Administration Tools On Red Hat, most administration tasks can be handled by a set of separate, specialized administrative tools developed and supported by Red Hat, such as those for user management and display configuration Many... command or the Red Hat GUI tool redhat-config-date You probably set the time and date when you first installed your 1 system You should not need to do so again If you entered the time incorrectly or moved to a different time zone, 1 though, you could use this utility to change your time Using the redhat-config-date Utility The preferred way to set the system time and date is to use the Red Hat Date and... shutdown options time date Red Hat Date and Time Properties tool, redhat-config-date Kcron Table 1-1 Basic System Administration tools Basic System Administration 5 Command Description redhat-config-rootpassword GUI tool to change the root user (administrator) password (System Settings | Root Password) GUI tool to view system logs the root user (System Settings | Root Password) redhat-logviewer Table 1-1... basic superuser commands are shown in Table 1-1 $ pwd /home/chris 1 1 1 1 1 1 1 1 1 4 Red Hat Linux Pocket Administrator $su password: # cd # pwd /root # exit $ For security reasons, Linux distributions do not allow the use of su in a telnet session to access the root user For SSH and Kerberos enabled systems, Red Hat provides secure login access using slogin (SSH) and rlogin (Kerberos version) SECURITY... systems, freeing the administrator from having to synchronize clocks manually The date and time panel is obtained from an NTP server Your network may have its own, or you can use one of the public NTP servers listed at www.ntp.org You can also download current documentation and NTP software from the www.ntp.org site 1 1 1 1 1 1 1 1 1 6 Red Hat Linux Pocket Administrator Figure 1-1 redhat-config-date Using... /etc/crontab They may be given any name They are treated as added crontab files, with cron checking them for task to run For example, Red Hat installs a sysstat file in the cron.d that contains crontab entries to run tools to gather system statistics 1 1 1 1 1 1 1 10 Red Hat Linux Pocket Administrator crontab Command You use the crontab command to install your entries into a crontab file To do this, first create... components of your Linux operating system You can log in as the root user from either the GUI (Graphical User Interface) login screen, or from the command line login prompt You then have access to all administrative tools Using a GUI interface like Gnome, the root user has access to a number of Red Hat GUI administrative tools, such as redhat-config-packages for installing software or redhat-config-users . Control Center. 6 Red Hat Linux Pocket Administrator Pocket Reference / Red Hat Linux Pocket Administrator / Petersen/ 222974-8 / Chapter 1 Figure 1-1 redhat-config-date P:10Comp Pocket 974-8ch01.vp Thursday,. . . . 164 viii Red Hat Linux Pocket Administrator Pocket Reference / Red Hat Linux Pocket Administrator / Petersen/ 222974-8 / P:10Comp Pocket 974-8fm.vp Wednesday, July 02, 2003 12:16:16 PM Color. . . . . 261 x Red Hat Linux Pocket Administrator Pocket Reference / Red Hat Linux Pocket Administrator / Petersen/ 222974-8 / P:10Comp Pocket 974-8fm.vp Wednesday, July 02, 2003 12:16:16 PM Color