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Setting up a root account and password is one of the most important steps during your installation.
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 maintenance. 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.
Fig u re 17.16 . R o ot Passwo rd
Use the root account only for system administration. Create a non-root account for your general use
and su - to root when you need to fix something quickly. These basic rules minimize the chances of
a typo or an incorrect command doing damage to your system.
Red Hat Ent erprise Linux 5 Inst allat ion G uide
206
- Red Hat Enterprise Linux 5 1
- Installation Guide 1
- Edited by 3
- Legal Notice 4
- Abstract 4
- Table of Contents 5
- 2.1. Upgrade or Inst all? 13
- 4.4.3.1 . Ke rne l Opt io ns 31
- 4.9. Inst alling via NFS 34
- 4.10. Inst alling via FTP 35
- 4.13. Language Select ion 38
- 4.18. Creat e Default Layout 45
- 4 .19.3. Part it ion Fields 49
- 4 .19.5. Adding Part it ions 52
- 4.21. Net work Configurat ion 60
- 4.23. Set Root Password 64
- 4.25. Preparing t o Inst all 68
- 4.26. Inst alling Packages 68
- Shell> type elilo.conf 70
- 6.3.4 . Using Remaining Space 76
- 9.2. GRUB 99
- 9.3. Inst alling GRUB 100
- 9.4. GRUB T erminology 101
- 0+50,100+25,200+1 102
- 9.6. GRUB Commands 104
- 9.9. Addit ional Resources 108
- 11.1. Upgrade or Inst all? 112
- linux mediacheck 113
- 12.4. Using t he HMC vt erm 119
- 12.9. Inst alling via NFS 124
- 12.10. Inst alling via FT P 125
- 12.11. Inst alling via HT T P 126
- 12.13. Language Select ion 128
- Important — multipath devices 133
- 12.19.3. Part it ion Fields 139
- 12.19.5. Adding Part it ions 141
- 12.22. Set Root Password 147
- 12.25. Inst alling Packages 151
- SATA and SCSI 155
- Advanced procedure 160
- id:5:initdefault: 171
- 16.1. Pre-Inst allat ion 177
- 16.6. Inst alling under z/VM 180
- Syst em z CD-ROMs 186
- 17.5. Inst alling via NFS 191
- 17.6. Inst alling via FTP 192
- 17.7. Inst alling via HT TP 193
- 17.9. Language Select ion 195
- 17.14 .3. Part it ion Fields 205
- 17.17. Set Root Password 209
- 17.19. Preparing t o Inst all 213
- 17.20. Inst alling Packages 213
- DNS=10.0.0.1:10.0.0.2 218
- /sbin/init 5 225
- 22.1. The sysfs File Syst em 227
- 22.2. Using t he zFCP Driver 227
- 22.4 .1. IPL t he SCSI Disk 233
- 22.5. Adding DASD 234
- 22.6.1. Adding a qeth Device 238
- Part IV. Common Tasks 247
- $ rpm -qa 248
- 24 .2. Upgrading Your Syst em 252
- Important 255
- 27.1. Common Problems 270
- Rescue Mode 275
- 29.2.1. Overview of LUKS 277
- St art up) 278
- Inst allat ion 279
- 29 .5 .1.1. Generat e a key 282
- 30.1. VNC Viewer 283
- 30.2. VNC Modes in Anaconda 283
- 30.4. References 286
- 31.4. Kickst art Opt ions 288
- # Raid 1 IDE config 308
- 31.6.1. Example 312
- %include /tmp/part-include 313
- %post --nochroot 313
- <ip-addr>-kickstart 315
- 32.1. Basic Configurat ion 322
- 32.2. Inst allat ion Met hod 323
- 32.3. Boot Loader Opt ions 325
- 32.5. Net work Configurat ion 330
- 32.6. Aut hent icat ion 331
- 32.7. Firewall Configurat ion 332
- 32.8. Display Configurat ion 333
- 32.8.1. General 334
- 32.8.2. Video Card 334
- 32.8.3. Monit or 335
- 32.9. Package Select ion 336
- 32.11.1. Chroot Environment 340
- 32.12. Saving t he File 341
- 33.1. The Boot Process 343
- 33.2.2. T he Boot Loader 344
- 33.2.3. T he Kernel 345
- 33.4. SysV Init Runlevels 348
- 33.4 .2. Runlevel Ut ilit ies 349
- 33.5. Shut t ing Down 350
- 34 .3. Adding PXE Host s 352
- 34 .4. T FT PD 354
- Revision History 356
- Revision Hist ory 357
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