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- [root@localhost ~]# history
- 1 useradd bob
- 2 su - bob
- 3 find / -user bob
- 4 mkdir /root/userfiles; find / -user bob -exec cp {} /root/userfiles/ \;
- 5 man find
- 6 touch rtp{1..3}
- 7 ls
- 8 history
- 9 git
- 10 visudo
- 11 export EDITOPR=/bin/nano
- 12 visudo
- 13 export EDITOR=/bin/nano
- 14 visudo
- 15 export EDITOR=
- 16 visudo
- 17 grep linda /etc/passwd
- 18 useradd linda
- 19 echo password | passwd --stdin linda
- 20 su - linda
- 21 visudo
- 22 su - linda
- 23 cd /etc/sudoers.d
- 24 vim bob
- 25 id student
- 26 visudo
- 27 cd
- 28 curl -O https://raw.githubusercontent.com/sandervanvugt/rhcsa/master/countdown.sh
- 29 ls
- 30 cat countdown.sh
- 31 vim countdown
- 32 countdown 12
- 33 echo $PATH
- 34 ./countdown 12
- 35 ls -l countdown
- 36 chmod +x countdown
- 37 ./countdown 12
- 38 ln countdown /usr/bin/
- 39 vim /etc/login.defs
- 40 cd /etc/skel
- 41 ls -al
- 42 touch nothideen
- 43 cd
- 44 useradd lucy
- 45 ls -la /home/lucy/
- 46 usermod --help | less
- 47 passwd --help | less
- 48 cat /etc/passwd
- 49 usermod -aG wheel bob
- 50 usermod --help
- 51 vim /etc/group
- 52 countdown 16
- 53 vim /etc/login.defs
- 54 cd /etc/skel/
- 55 touch newfile
- 56 vim /etc/login.defs
- 57 pwd
- 58 useradd anna
- 59 useradd anouk
- 60 useradd lisa
- 61 useradd linda
- 62 usermod --help
- 63 usermod -p password anouk
- 64 grep anouk /etc/shadow
- 65 for u in anna anouk linda lisa; do echo password | passwd --stdin $u; done
- 66 passwd --help
- 67 vim /etc/shadow
- 68 vim /etc/default/useradd
- 69 groupadd profs
- 70 groupadd students
- 71 usermod -aG profs anna
- 72 usermod -aG profs anouk
- 73 usermod -aG student linda
- 74 usermod -aG student lisa
- 75 id linda
- 76 usermod -G wheel linda
- 77 id linda
- 78 usermod -aG student linda
- 79 id linda
- 80 grep student /etc/group
- 81 vim /etc/group
- 82 cd /home
- 83 ls -l
- 84 ls -l /etc/hosts
- 85 cd
- 86 vim permissions.txt
- 87 mkdir /data/sales/2022
- 88 mkdir -p /data/sales/2022
- 89 cd /data/sales
- 90 touch myfile
- 91 cd 2022
- 92 touch myother
- 93 cd ../..
- 94 chmod -r 000 data
- 95 chmod -r 700 sales
- 96 chmod --help
- 97 chmod -R 700 sales
- 98 ls -ld sales/
- 99 chmod -R +x sales
- 100 cd sales
- 101 ls
- 102 ls -l
- 103 cd 2022/
- 104 ls -l
- 105 cd ..
- 106 chmod -R -x sales
- 107 ls -l sales/
- 108 chmod -R +X sales
- 109 ls -ld sales/
- 110 ls -l sales/
- 111 history
- 112 mkdir profs
- 113 mkdir students
- 114 chown :profs profs
- 115 ls -l
- 116 chgrp sales sales
- 117 chgrp students students
- 118 ls -l
- 119 chmod 770 *
- 120 ls -l
- 121 chmod o+w,g-rx sales
- 122 ls -l
- 123 su - anna
- 124 chmod g+s /data/profs
- 125 su - anna
- 126 su - anouk
- 127 chmod +t /data/profs
- 128 su - anouk
- 129 umask
- 130 su - anna
- 131 countdown 14
- 132 cd
- 133 mkdir -p /mydata/profs
- 134 mkdir -p /mydata/students
- 135 cd /mydata
- 136 chgrp students students
- 137 chgrp profs profs
- 138 chmod 770 *
- 139 #umask 007
- 140 poweroff
- 141 lsblk
- 142 poweroff
- 143 fdisk /dev/sda
- 144 mount /dev/sda3 /mnt
- 145 mkfs.xfs /dev/sda3
- 146 mount /dev/sda3 /mnt
- 147 cd /mnt
- 148 touch hello_partition3
- 149 mkdir /whatever
- 150 vim /etc/fstab
- 151 mount -a
- 152 mount
- 153 fdisk /dev/sda
- 154 lsblk
- 155 mkfs.ext4 /dev/sda5
- 156 mkfs.xfs /dev/sda6
- 157 mkdir /ext4 /xfs
- 158 vim /etc/fstab
- 159 vim /etc/default//grub
- 160 grub2-mkconfig -o /boot/grub2/grub.cfg
- 161 reboot
- 162 journalctl -xb
- 163 lsblk
- 164 vim /etc/fstab
- 165 history
- 166 poweroff
- 167 cat /etc/fstab
- 168 lsblk
- 169 vim /etc/fstab
- 170 lsblk
- 171 fdisk /dev/sdc
- 172 blkid
- 173 vim /etc/fstab
- 174 findmnt --verify
- 175 vim /etc/fstab
- 176 findmnt --verify
- 177 vim /etc/fstab
- 178 swapon -a
- 179 vim /etc/fstab
- 180 history
- 181 findmnt --verify
- 182 reboot
- 183 exit
- 184 which init
- 185 ls -l /sbin/init
- 186 date
- 187 hwclock --systohc
- 188 timedatectl status
- 189 timedatectl list-timezones
- 190 timedatectl set-timezone Africa/Lusaka
- 191 timedatectl status
- 192 vim /etc/chrony.conf
- 193 systemctl restart chronyd
- 194 chronyc sources
- 195 history
- 196 exit
- 197 history
- 198 exit
- 199 lsblk
- 200 fdisk /dev/sdb
- 201 lsblk
- 202 pvcreate /dev/sdb7
- 203 pvs
- 204 vgcreate --help | less
- 205 vgcreate -s 8M vgdata /dev/sdb7
- 206 vgs
- 207 vgdisplay vgdata
- 208 lvcreate -n lvdata -L 1G vgdata
- 209 echo $(( 127 * 8 ))
- 210 lvcreate -n lvdata -l 100%FREE vgdata
- 211 lvs
- 212 mkfs.ext4 /dev/vgdata/lvdata
- 213 mkdir /lvdata
- 214 vim /etc/fstab
- 215 mount -a
- 216 mount
- 217 tail -1 /etc/fstab
- 218 ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
- 219 history
- 220 lsblk
- 221 vgcreate vgfiles /dev/sdb8
- 222 lvcreate -l 255 -n lvfiles /dev/vgfiles
- 223 mkfs.ext4 /dev/vgfiles/lvfiles
- 224 df -h
- 225 mkdir /lvfiles
- 226 vim /etc/fstab
- 227 mount -a
- 228 df -h
- 229 vgs
- 230 vgextend vgfiles /dev/sdb9
- 231 vgs
- 232 lvextend -r -l 50%FREE /dev/vgfiles/lvfiles
- 233 lvextend -r -l +50%FREE /dev/vgfiles/lvfiles
- 234 df -h
- 235 countdown 1
- 236 history
- 237 history -w
- 238 lsblk
- 239 fdisk /dev/sdb
- 240 lsblk
- 241 pvcreate /dev/sdb7
- 242 pvs
- 243 vgcreate --help | less
- 244 vgcreate -s 8M vgdata /dev/sdb7
- 245 vgs
- 246 vgdisplay vgdata
- 247 lvcreate -n lvdata -L 1G vgdata
- 248 echo $(( 127 * 8 ))
- 249 lvcreate -n lvdata -l 100%FREE vgdata
- 250 lvs
- 251 mkfs.ext4 /dev/vgdata/lvdata
- 252 mkdir /lvdata
- 253 vim /etc/fstab
- 254 mount -a
- 255 mount
- 256 tail -1 /etc/fstab
- 257 ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
- 258 history
- 259 lsblk
- 260 vgcreate vgfiles /dev/sdb8
- 261 lvcreate -l 255 -n lvfiles /dev/vgfiles
- 262 mkfs.ext4 /dev/vgfiles/lvfiles
- 263 df -h
- 264 mkdir /lvfiles
- 265 vim /etc/fstab
- 266 mount -a
- 267 df -h
- 268 vgs
- 269 vgextend vgfiles /dev/sdb9
- 270 vgs
- 271 lvextend -r -l 50%FREE /dev/vgfiles/lvfiles
- 272 lvextend -r -l +50%FREE /dev/vgfiles/lvfiles
- 273 df -h
- 274 countdown 1
- 275 history
- 276 history -w
- 277 fdisk /dev/sdb
- 278 fdisk -l /dev/sdb
- 279 vgcreate vgdemo /dev/sdb10
- 280 lvcreate -L 500M -n lvdemo /dev/vgdemo
- 281 vgs
- 282 vgextend vgdemo /dev/sdb11
- 283 pvs
- 284 vgs
- 285 lvextend -L +250M /dev/vgdemo/lvdemo /dev/sdb11
- 286 pvs
- 287 mkfs.ext4 /dev/vgdemo/lvdemo
- 288 mount /dev/vgdemo/lvdemo /mnt
- 289 df -h
- 290 dd if=/dev/zero of=/mnt/bigfile bs=1M count=550
- 291 pvs
- 292 pvmove -v /dev/sdb11 /dev/sdb10
- 293 pvs
- 294 vgreduce vgdemo /dev/sdb11
- 295 vgs
- 296 countdown 15
- 297 getenforce
- 298 setenforce permissive
- 299 getenforce
- 300 setenforce disabled
- 301 reboot
- 302 getenforce
- 303 setenforce enforcing
- 304 reboot
- 305 echo STARTING SELINUX DEMO
- 306 dnf install httpd
- 307 systemctl start httpd
- 308 ps Zaux | grep http
- 309 cd /var/www
- 310 ls -Z
- 311 cd html
- 312 vim index.html
- 313 systemctl restart httpd
- 314 curl localhost
- 315 getenforce
- 316 vim /etc/httpd/conf/httpd.conf
- 317 mkdir /web
- 318 vim /web/index.html
- 319 systemctl restart httpd
- 320 curl localhost
- 321 getenforce
- 322 setenforce permissive
- 323 curl localhost
- 324 setenforce enforcing
- 325 grep AVC /var/log/audit/audit.log
- 326 ls -Zd /var/www/html
- 327 man semanage-fcontext
- 328 # semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
- 329 # restorecon -R -v /web
- 330 semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
- 331 ls -dZ /web
- 332 restorecon -Rv /web
- 333 curl localhost
- 334 getenforce
- 335 history
- 336 cd /etc/selinux/targeted/contexts/files/
- 337 ls
- 338 cat file_contexts.local
- 339 grep -A 20 ^DocumentRoot /etc/httpd/conf/httpd.conf
- 340 countdown 13
- 341 cp /etc/hosts ~
- 342 ls -Z ~/hosts
- 343 cp ~/hosts /web/
- 344 ls -Z /web/hosts
- 345 rm -f /web/hosts
- 346 mv ~/hosts /web/
- 347 ls -lZ /web/
- 348 restorecon -Rv /web
- 349 semanage fcontext -l -C
- 350 man -k _selinux
- 351 dnf search selinux
- 352 dnf install selinux_policy_doc
- 353 dnf install selinux-policy-doc
- 354 man -k _selinux
- 355 man -k _selinux | wc
- 356 man httpd_selinux
- 357 vim /etc/httpd/conf/httpd.conf
- 358 systemctl restart httpd
- 359 systemctl status httpd.service
- 360 setenforce permissive
- 361 systemctl restart httpd
- 362 grep AVC /var/log/audit/audit.log
- 363 man semanage-port
- 364 #semanage port -a -t http_port_t -p tcp 82
- 365 semanage port -a -t http_port_t -p tcp 82
- 366 setenforce enforcing
- 367 systemctl restart httpd
- 368 ps aux | grep http
- 369 ss -tunap
- 370 getsebool -a | wc
- 371 getsebool -a | grep ftp
- 372 setsebool -P ftpd_anon_write on
- 373 dnf provides */sealert
- 374 journalctl | grep sealert
- 375 sealert -l 67c9ceac-7db2-4ec5-a04e-078aa410cf5c | less
- 376 journalctl | grep sealert
- 377 journalctl | grep sealert | less
- 378 sealert -l a9161c4a-f92d-4198-b94c-9e366d009115 | less
- 379 countdown 1
- 380 cd /boot
- 381 ls
- 382 find . -name "grub.cfg"
- 383 reboot
- 384 touch hh
- 385 mount -o remount,rw /
- 386 systemctl isolate graphical.target
- 387 lsblk
- 388 df -h
- 389 stratis pool list
- 390 vim /etc/hosts
- 391 ssh student@nfsserver
- 392 dnf install nfs-utils
- 393 showmount -e nfsserver
- 394 mount nfsserver:/share /mnt
- 395 mount nfsserver:/nfsshare /mnt
- 396 mount nfsserver:/nfsdata /mnt
- 397 mount
- 398 exit
- 399 dnf install -y autofs
- 400 vim /etc/auto.master
- 401 vim /etc/auto.misc
- 402 vim /etc/auto.master
- 403 vim /etc/auto.files
- 404 showmount -e nfsserver
- 405 vim /etc/auto.files
- 406 systemctl restart autofs
- 407 ls /
- 408 cd /files
- 409 ls -a
- 410 cd data
- 411 mount
- 412 vim /etc/auto.master
- 413 vim /etc/auto.users
- 414 systemctl restart autofs
- 415 cd /users
- 416 cd ldapuser1
- 417 cd ..
- 418 cd ldapuser2
- 419 exit
- 420 history
- ######NFSSERVER
- [root@nfsserver ~]# history
- 1 vim /etc/default/grub
- 2 grub2-mkconfig -o /boot/grub2/grub.cfg
- 3 reboot
- 4 hostnamectl set-hostname nfsserver.example.com
- 5 exit
- 6 dnf install nfs-utils
- 7 mkdir -p /nfsdata /home/ldap/ldapuser{1..9}
- 8 vim /etc/exports
- 9 systemctl enable --now nfs-server
- 10 showmount -e localhost
- 11 for i in nfs mountd rpc-bind; do firewall-cmd --add-service $i --permanent; done
- 12 firewall-cmd --reload
- 13 exit
- 14 history
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