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232 Start-Up IMPORTANT If the user's own adjustments caused the login to fail and continue to do so, repeat the procedure as described above, but do not copy the .kde/ share directory. 9.5 Network Problems Many problems of your system may be network-related, even though they do not seem to be at first. For example, the reason for a system not allowing users to log in might be a network problem of some kind. This section introduces a simple check list you can apply to identify the cause of any network problem encountered. When checking the network connection of your machine, proceed as follows: 1 If using an ethernet connection, check the hardware first. Make sure that your network cable is properly plugged into your computer. The control lights next to your ethernet connector, if available, should both be active. If the connection fails, check whether your network cable works with another machine. If it does, your network card causes the failure. If hubs or switches are included in your network setup, suspect them to be the culprits as well. 2 If using a wireless connection, check whether the wireless link can be established by other machines. If this is not the case, contact the wireless network's administrator. 3 Once you have checked your basic network connectivity, try to find out which service is not responding. Gather the address information of all network servers needed in your setup. Either look them up in the appropriate YaST module or ask your system administrator. The following list gives some of the typical network servers involved in a setup together with the symptoms of an outage. DNS (Name Service) A broken or malfunctioning name service affects the network's functioning in many ways. If the local machine relies on any network servers for authentication and these servers cannot be found due to name resolution issues,
users would not even be able to log in. Machines in the network managed by a broken name server would not be able to “see” each other and communicate. NTP (Time Service) A malfunctioning or completely broken NTP service could affect Kerberos authentication and X server functionality. NFS (File Service) If any application needed data stored in an NFS mounted directory, it would not be able to start up or function properly if this service was down or misconfigured. In a worst case scenario, a user's personal desktop configuration would not come up if his home directory containing his .gconf or .kde subdirectories could not be found due to an outage of the NFS server. Samba (File Service) If any application needed data stored in a directory on a Samba server, it would not be able to start or function properly if this service was down. NIS (User Management) If your SUSE Linux system relied on a NIS server to provide the user data, users would not be able to log in to this machine if the NIS service was down. LDAP (User Management) If your SUSE Linux system relied on an LDAP server to provide the user data, users would not be able to log in to this machine if the LDAP service was down. Kerberos (Authentication) Authentication would not work and login to any machine would fail. CUPS (Network Printing) Users would not be able to print. 4 Check whether the network servers are running and whether your network setup allows you to establish a connection: IMPORTANT The debugging procedure described below only applies to a simple network server/client setup that does not involve any internal routing. We Common Problems and Their Solutions 233
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SUSE Linux 10.1 April 07, 2006 Star
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Contents About This Guide vii Part
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6 Customizing Your KDE Desktop 165
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viii Start-Up SUSE Linux Reference
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Part I. Setup
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4 Start-Up 2 Reboot the system. 3 A
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6 Start-Up Use the function keys in
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8 Start-Up dows but does not provid
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10 Start-Up The partitions to creat
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12 Start-Up Figure 1.2 Possible Opt
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14 Start-Up The first bar graph sho
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16 Start-Up Other Filters Click the
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18 Start-Up 1.8.5 Keyboard Layout S
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20 Start-Up 1.9.2 root Password roo
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22 Start-Up If you have multiple ne
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24 Start-Up Figure 1.5 Entering the
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26 Start-Up settings. LDAP client c
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28 Start-Up AutoYaST is a system fo
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30 Start-Up To start YaST in text m
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32 Start-Up Figure 2.2 YaST Package
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34 Start-Up NOTE Because language-s
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36 Start-Up Installation Summary Af
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38 Start-Up Figure 2.3 Conflict Man
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40 Start-Up Find the list of availa
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42 Start-Up Backup During the updat
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44 Start-Up 2.4.2 Infrared Device C
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46 Start-Up satisfied with the sett
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48 Start-Up is provided at http://c
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50 Start-Up If YaST is unable to de
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52 Start-Up Standard Boot Floppy Us
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54 Start-Up point of the hard disks
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56 Start-Up If you partition manual
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58 Start-Up To edit a PCI ID, selec
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60 Start-Up Figure 2.5 Setting the
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62 Start-Up 2.7.1 Mail Transfer Age
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64 Start-Up LDAP Client If using LD
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66 Start-Up The YaST Remote Adminis
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68 Start-Up 2.9.2 Group Management
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70 Start-Up the options Current Dir
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72 Start-Up /proc/iomem This displa
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74 Start-Up Press Enter to start th
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2.11.3 Starting the Individual Modu
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78 Start-Up superuser Permits all r
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80 Start-Up Figure 2.8 Card and Mon
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82 Start-Up The tabs in the row at
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84 Start-Up Activate 3-Button Emula
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86 Start-Up 2.14 Troubleshooting Al
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Working with the Shell When booting
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IMPORTANT: No News Is Good News The
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3.1.2 Linux Directory Structure Bec
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in Programs needed early in the boo
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directory where you ran the command
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and paths with the help of →| , y
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sponding command. Both standard out
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such as installing new programs, ar
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3.2.2 Modifying File Permissions Ch
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3.3.1 File Commands The following s
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u g o User Group Others For access,
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locate patterns This command is onl
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-t filesystem Specify the file syst
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ps [options] [process ID] If run wi
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eboot [options] Does the same as ha
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H J K L Move one character to the l
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• A number of vim sources are ava
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124 Start-Up configuration of the s
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Figure 4.3 Generating a Search Inde
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128 Start-Up Another possibility to
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130 Start-Up 4.7 Package Documentat
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132 Start-Up concentrates on standa
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Part III. Desktop
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138 Start-Up boot. In this case, yo
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140 Start-Up main menu. Alter a sho
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142 Start-Up structure for accessin
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144 Start-Up Figure 5.3 Main Menu S
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146 Start-Up topmost directory is r
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148 Start-Up • Select the object
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150 Start-Up The group determines t
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152 Start-Up 4 Specify the folder t
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154 Start-Up where you want the tex
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156 Start-Up network passwords and
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158 Start-Up Figure 5.8 Ark: File A
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160 Start-Up Start KJobViewer from
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162 Start-Up filename for the image
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164 Start-Up To update system fonts
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166 Start-Up 5 Apply your changes a
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168 Start-Up In the Icons section,
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170 Start-Up shortcuts. For more in
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172 Start-Up The Country/Region & L
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174 Start-Up Login Manager configur
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176 Start-Up The program managing t
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178 Start-Up 7.2 Logging Out When y
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180 Start-Up To remove an icon from
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Page 204 and 205: 194 Start-Up To open a file display
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Page 210 and 211: 200 Start-Up To add a new channel,
Page 212 and 213: 202 Start-Up 8.1 Hardware Settings
Page 214 and 215: 204 Start-Up 8.2.3 Configuring the
Page 216 and 217: 206 Start-Up 8.3.1 Configuring Acce
Page 218 and 219: 208 Start-Up 8.4.3 Managing Session
Page 221: Part IV. Troubleshooting
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Page 240 and 241: 230 Start-Up 9.4.3 Login Successful
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Page 246 and 247: 236 Start-Up use traceroute fully_q
Page 248 and 249: 238 Start-Up 9.6.2 Restoring a Syst
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Page 252 and 253: 242 Start-Up Clicking Next starts a
Page 254 and 255: 244 Start-Up tion support for regis
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Page 258 and 259: 248 Start-Up We endeavor to help yo
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Page 262 and 263: utilities, 195-200 grep, 112 groups
Page 264 and 265: S Samba clients, 66 servers, 66 SaX
Page 266: servers, 66 Samba clients, 26 scann
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