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Date Properties Tool. If you are not root, it prompts you for the root password to
continue.
To run the Time and Date Properties Tool as a text-based application, use the
command timeconfig.
22. Set Root Password
Setting up a root account and password is one of the most important steps during your installa-
tion. Your root account is similar to the administrator account used on Windows NT machines.
The root account is used to install packages, upgrade RPMs, and perform most system main-
tenance. Logging in as root gives you complete control over your system.
Note
The root user (also known as the superuser) has complete access to the entire
system; for this reason, logging in as the root user is best done only to perform
system maintenance or administration.
Figure 12.21. Root Password
22. Set Root Password
127
- Table of Contents 4
- 2. Document Conventions 12
- 3. More to Come 15
- Information 18
- is the system partition on 19
- 4.1. Alternative Boot Methods 21
- AMD Systems 28
- Intel® 64 Systems 33
- at the prompt 34
- 3.3. Additional Boot Options 35
- 3.3.1. Kernel Options 36
- 5. Installing from DVD/CD-ROM 37
- 8. Installing via NFS 40
- 9. Installing via FTP 41
- 10. Installing via HTTP 42
- Figure 4.7. HTTP Setup Dialog 43
- 12. Language Selection 44
- 13. Keyboard Configuration 45
- 15. Disk Partitioning Setup 47
- 16. Advanced Storage Options 49
- 17. Create Default Layout 50
- 18. Partitioning Your System 52
- /) partition 53
- 18.3. Partition Fields 54
- 18.4.1. Itanium systems 55
- 18.5. Adding Partitions 57
- 18.6. Editing Partitions 59
- /boot/ partition was created 63
- /boot/ partition 63
- 19.2. Rescue Mode 64
- Figure 4.22. Root Password 70
- Chapter 5. Removing Red Hat 77
- Important 78
- Chapter 6. Troubleshooting 79
- 3.4. Using Remaining Space 81
- /etc/hosts file: 87
- Shell> 90
- 2.2. Features of GRUB 96
- 3. Installing GRUB 97
- 4. GRUB Terminology 97
- 5. GRUB Interfaces 99
- 6. GRUB Commands 101
- 9. Additional Resources 105
- Installation and Booting 107
- 1. Upgrade or Install? 108
- System i 108
- Interface 113
- Figure 12.1. SMS console 114
- 4. Using the HMC vterm 115
- Configuration 117
- 6. Beginning Installation 118
- /. If the ISO images 120
- 9. Installing via NFS 121
- 10. Installing via FTP 122
- 11. Installing via HTTP 123
- 13. Language Selection 125
- 14. Keyboard Configuration 126
- 16. Disk Partitioning Setup 128
- /var/ partition, be sure to 129
- 17. Advanced Storage Options 130
- 18. Create Default Layout 131
- 19. Partitioning Your System 133
- 19.3. Partition Fields 135
- If M < 2 136
- S = M *2 136
- S = M + 2 136
- 19.5. Adding Partitions 137
- 19.6. Editing Partitions 139
- 20. Network Configuration 140
- 21. Time Zone Configuration 142
- 22. Set Root Password 143
- 23. Package Group Selection 145
- 24. Preparing to Install 146
- 25. Installing Packages 147
- 26. Installation Complete 147
- POWER Systems 149
- Chapter 14. Troubleshooting 151
- Installation on an IBM POWER 151
- / (root) partition 153
- /tmp/directory 153
- Traceback (innermost last): 153
- Boot Time Command Arguments 157
- 1. Pre-Installation 160
- 6. Installing under z/VM 164
- Enterprise Linux LPAR CD 169
- 3.2. Installation using VNC 175
- 5. Installing via NFS 176
- 6. Installing via FTP 177
- 7. Installing via HTTP 178
- 9. Language Selection 179
- 11. Disk Partitioning Setup 181
- 12. Advanced Storage Options 183
- 12.1. FCP Devices 185
- 13. Create Default Layout 186
- 14. Partitioning Your System 188
- 14.3. Partition Fields 189
- 15. Network Configuration 191
- 16. Time Zone Configuration 193
- 17. Set Root Password 194
- Figure 17.17. Root Password 195
- 18. Package Group Selection 196
- 19. Preparing to Install 198
- 20. Installing Packages 199
- 21. Installation Complete 199
- /etc/securetty 200
- Chapter 18. Removing Red Hat 201
- Enterprise Linux 201
- Chapter 21. Troubleshooting 207
- 1. The sysfs File System 211
- 2. Using the zFCP Driver 212
- Multipath Storage 215
- 4.1. IPL the SCSI Disk 217
- 5. Adding DASD 218
- 6. Adding a Network Device 222
- 7. Kernel-Related Information 230
- Part IV. Common Tasks 231
- .rpmsave 232
- /root/upgrade.log 232
- 2. Upgrading Your System 233
- Chapter 24. Activate Your 235
- Subscription 235
- 1.3. Connect Your System 236
- Partitions 237
- Table 25.1. Partition Types 241
- 1.5. Partition Naming Scheme 247
- 1.8. How Many Partitions? 249
- Part V. Basic System Recovery 250
- 1. Common Problems 251
- 2. Booting into Rescue Mode 252
- Chapter 27. Rescue Mode on 256
- Deployment 258
- /root/anaconda-ks.cfg. You 259
- 4. Kickstart Options 260
- 5. Package Selection 281
- 6. Pre-installation Script 282
- 6.1. Example 283
- 7. Post-installation Script 284
- 7.1. Examples 285
- 1. Basic Configuration 293
- 2. Installation Method 294
- 3. Boot Loader Options 295
- 4. Partition Information 297
- 4.1. Creating Partitions 298
- 5. Network Configuration 301
- 6. Authentication 302
- 7. Firewall Configuration 303
- 7.1. SELinux Configuration 304
- 8. Display Configuration 305
- 8.2. Video Card 306
- 8.3. Monitor 306
- 9. Package Selection 307
- 10. Pre-Installation Script 308
- 11. Post-Installation Script 310
- 11.1. Chroot Environment 311
- 12. Saving the File 312
- Figure 29.17. Preview 313
- Shutdown 314
- 2.2. The Boot Loader 315
- 2.3. The Kernel 316
- 2.4. The /sbin/init Program 316
- 4. SysV Init Runlevels 318
- 4.1. Runlevels 319
- 5. Shutting Down 320
- Chapter 31. PXE Network 321
- Installations 321
- 3. Adding PXE Hosts 322
- 4. TFTPD 323
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