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- 1 vim countdown.sh
- 2 chmod +x countdown.sh
- 3 ./countdown.sh 16
- 4 exit
- 5 tar -czvf /root/archive.tgz /etc
- 6 ls -l /root/archive.tgz
- 7 tar tvf /root/archive.tgz
- 8 grep -v '^$' /etc/dnsmasq.conf
- 9 grep -v '^$' /etc/dnsmasq.conf | sort > /var/tmp/dnslines.txt
- 10 useradd linda
- 11 find / -user linda
- 12 find / -user linda 2>/dev/null
- 13 mkdir /root/userfiles; find / -user linda -exec cp {} /root/userfiles \;
- 14 history
- 15 ./countdown.sh 13
- 16 ./countdown.sh 12
- 17 cat countdown.sh
- 18 #tar -cvzf /root/archive2.tgz /etc
- 19 history
- 20 vim countdown.sh
- 21 git clone https://github.com/sandervanvugt/rhcsa
- 22 cat /etc/passwd
- 23 head -1 /etc/passwd
- 24 tail /etc/group
- 25 id student
- 26 id linda
- 27 su - linda
- 28 passwd lindaA
- 29 su - linda
- 30 usermod -aG wheel linda
- 31 id linda
- 32 su - linda
- 33 history
- 34 vim /etc/login.defs
- 35 cd /etc/skel/
- 36 ls
- 37 ls -a
- 38 ls -a /home/linda
- 39 pwd
- 40 passwd --help
- 41 chage linda
- 42 grep linda /etc/shadow
- 43 man 5 shadow
- 44 cd
- 45 grep linda /etc/passwd
- 46 grep linda /etc/group
- 47 id linda
- 48 ls -l
- 49 chmod -x countdown.sh
- 50 ls -l
- 51 ./countdown.sh
- 52 chmod +x countdown.sh
- 53 ./countdown.sh
- 54 countdown.sh
- 55 mkdir /data/files
- 56 mkdir -p /data/files
- 57 cd /data
- 58 groupadd sales
- 59 usermod -aG sales linda
- 60 mkdir sales
- 61 ls -l
- 62 chgrp sales sales
- 63 ls -l
- 64 chmod 770 sales
- 65 ls -l
- 66 chmod g-x sales
- 67 ls -l
- 68 chmod g+x sales
- 69 ls -l
- 70 cd sales
- 71 touch myfile
- 72 ls -l
- 73 ln -s myfile linkfile
- 74 ls -l
- 75 history
- 76 cd
- 77 ./countdown.sh 12
- 78 pwd
- 79 cd /home/linda
- 80 touch rootfile
- 81 ls -l
- 82 su - linda
- 83 pwd
- 84 vim playme.sh
- 85 chmod +x playme.sh
- 86 su - linda
- 87 chmod u+s playme.sh
- 88 ls -k
- 89 ls -l
- 90 find / -perm /4000 2>/dev/null
- 91 find / -perm /4000 -exec ls -l {} \; 2>/dev/null
- 92 ls -l /etc/shadow
- 93 tail -1 /etc/shadow
- 94 useradd -G sales lisa
- 95 grep sales /etc/group
- 96 passwd lisa
- 97 su - lisa
- 98 chmod g+s /data/sales
- 99 ls -ld /data/sales
- 100 su - lisa
- 101 cd /data
- 102 chmod +t sales/
- 103 ls -l
- 104 su - lisa
- 105 ls -l
- 106 chgrp wheel files
- 107 ls -l
- 108 xxd -l 512 /dev/sda
- 109 lsblk
- 110 xxd -l 512 /dev/nvme0n1
- 111 fdisk -l /dev/nvme0n1
- 112 poweroff
- 113 ./countdown.sh 12
- 114 lsblk
- 115 ls -l /dev/nv*
- 116 fdisk /dev/nvme0n1
- 117 lsblk
- 118 mkfs.xfs /dev/nvme0n1p3
- 119 mount /dev/nvme0n1p3 /mnt
- 120 findmnt
- 121 lsblk
- 122 cd /mnt
- 123 ls
- 124 cp /etc/hosts .
- 125 ls
- 126 umount /mnt
- 127 lsof .
- 128 cd
- 129 umount /mnt
- 130 vim /etc/fstab
- 131 mount -a
- 132 mkdir /files
- 133 mount -a
- 134 reboot
- 135 who
- 136 history
- 137 exit
- 138 lsblk
- 139 history
- 140 cd /files/
- 141 ls
- 142 lsblk
- 143 history
- 144 exit
- 145 history
- 146 fdisk /dev/nvme0n1
- 147 reboot
- 148 lsblk
- 149 mkfs.xfs /dev/nvme0n1p5
- 150 mkfs.ext4 /dev/nvme0n1p6
- 151 mkdir /xfs
- 152 mkdir /ext4
- 153 vim /etc/fstab
- 154 mount -a
- 155 lsblk
- 156 touch /ext4/myext4file
- 157 history
- 158 vim /etc/fstab
- 159 fdisk /dev/nvme0n1
- 160 reboot
- 161 journalctl -xb
- 162 cat /etc/fstab
- 163 lsblk
- 164 cat /etc/fstab
- 165 blkid
- 166 blkid | grep n1p5 | awk '{ print $2 }'
- 167 blkid | grep n1p5 | awk '{ print $2 }' >> /etc/fstab
- 168 vim /etc/fstab
- 169 reboot
- 170 lsblk
- 171 tune2fs -L cow /dev/nvme0n1p5
- 172 blkid
- 173 xfs_admin -L goat /dev/nvme0n1p1
- 174 umount /dev/nvme0n1p1
- 175 xfs_admin -L goat /dev/nvme0n1p1
- 176 mount -a
- 177 lsblk
- 178 blkid
- 179 vim /etc/fstab
- 180 \
- 181 ls -l /dev/nvm*
- 182 vim /etc/fstab
- 183 reboot
- 184 vim /etc/fstab
- 185 findmnt --verify
- 186 vim /etc/fstab
- 187 findmnt --verify
- 188 groupadd students
- 189 groupadd profs
- 190 vim /etc/login.defs
- 191 useradd -G profs anna
- 192 useradd -G profs anouk
- 193 tail /etc/passwd
- 194 usermod -aG students linda
- 195 usermod -aG students lisa
- 196 id lisa
- 197 cd /data
- 198 mkdir profs students
- 199 ls -l
- 200 chmod 3770 students/
- 201 chmod 3770 profs
- 202 chgrp students students
- 203 chgrp profs profs
- 204 ls -l
- 205 history
- 206 ls
- 207 ls -l
- 208 cd students
- 209 touch {1..10}.txt
- 210 ls
- 211 ls -l
- 212 getfacl .
- 213 setfacl -R -m g:profs:rx /data/students
- 214 ls -l
- 215 man setfacl
- 216 setfacl -R -x g:profs /data/students
- 217 ls -l
- 218 setfacl -R -m g:profs:rX /data/students
- 219 ls -lk
- 220 getfacl .
- 221 su - linda
- 222 ls -l
- 223 getfacl 9.txt
- 224 getfacl linda1
- 225 history
- 226 setfacl -m d:g:profs:rx /data/profs
- 227 getfacl /data/profs
- 228 su - linda
- 229 getfacl linda2
- 230 setfacl -m d:g:profs:rx /data/students/
- 231 su - linda
- 232 getfacl linda3
- 233 cd
- 234 ./countdown.sh 13
- 235 find / -name "mnttab"
- 236 find / -name "vfstab"
- 237 cat /etc/os-release
- 238 yum repolist
- 239 yum install -y git
- 240 cd /etc/yum.repos.d/
- 241 ls
- 242 which yum
- 243 which dnf
- 244 ls -l /bin/yum /bin/dnf
- 245 cd
- 246 df -h
- 247 dd if=/dev/sr0 of=/rhel8.iso bs=1M
- 248 bg
- 249 mkdir /repo
- 250 vim /etc/fstab
- 251 mount -a
- 252 cd /repo
- 253 ls
- 254 cd BaseOS/
- 255 ls
- 256 ls Packages/
- 257 yum install git
- 258 cd
- 259 df -h
- 260 lsblk
- 261 cd /etc/yum.repos.d/
- 262 vim base.repo
- 263 vim appstream.repo
- 264 yum repolist
- 265 yum install git
- 266 history
- 267 cd
- 268 yum search nmap
- 269 yum search seinfo
- 270 seinfo
- 271 yum provides */seinfo
- 272 yum module list
- 273 yum module provides httpd
- 274 yum module info httpd
- 275 yum module info postgresql
- 276 yum module info --profile postgresql
- 277 yum module list postgresql
- 278 yum module install postgresql:9.6
- 279 yum module install postgresql:9.6/devel
- 280 yum install httpd
- 281 yum module enable postgresql:9.6
- 282 yum module info postgresql
- 283 yum module info postgresql | less
- 284 ./countdown.sh 12
- 285 fdisk /dev/nvme0n1
- 286 lsblk
- 287 pvcreate /dev/nvme0n1p7
- 288 pvs
- 289 vgcreate --help | less
- 290 vgcreate -s 4m vgdata /dev/nvme0n1p7
- 291 pvs
- 292 vgs
- 293 man lvcreate
- 294 lvcreate -n lvdata -L 1G vgdata
- 295 #lvcreate -n lvdata -l 100%FREE vgdata
- 296 #lvcreate -n lvdata -l 255 vgdata
- 297 lvcreate -n lvdata -l 100%FREE vgdata
- 298 lvs
- 299 mkfs.xfs /dev/vgdata/lvdata
- 300 vim /etc/fstab
- 301 mkdir /lvdata
- 302 mount -a
- 303 mount
- 304 ls -l /dev/vgdata/lvdata /dev/mapper/vgdata-lvdata
- 305 history
- 306 fdisk /dev/nvme0n1
- 307 vim /etc/fstab
- 308 reboot
- 309 ls /xfs
- 310 ls /ext4
- 311 vim /etc/fstab
- 312 cd /xfs
- 313 touch myxfsfsfsfsfsfsfs
- 314 cd
- 315 fdisk /dev/nvme0n1
- 316 reboot
- 317 fdisk /dev/nvme0n1
- 318 blkid
- 319 vim /etc/fstab
- 320 reboot
- 321 vim /etc/fstab
- 322 reboot
- 323 systemctl list-units
- 324 systemctl isolate emergency.target
- 325 systemctl list-units
- 326 touch hyello
- 327 reboot
- 328 touch hhhh
- 329 systemctl list-units
- 330 touch hhhh
- 331 mount
- 332 lsblk
- 333 mount -o remount,rw /
- 334 touch hiho
- 335 systemctl start rescue.target
- 336 lsblk
- 337 vim /etc/default/grub
- 338 grub2-mkconfig -o /boot/grub2/grub.cfg
- 339 cd /boot
- 340 ls
- 341 cd /
- 342 mount -a
- 343 grub2-mkconfig -o /boot/grub2/grub.cfg
- 344 reboot
- 345 ls /var/log/journal/
- 346 vim /etc/fstab
- 347 cd /run/systemd/
- 348 ls
- 349 cd generator/
- 350 ls
- 351 vim ext4.mount
- 352 lsblk
- 353 blkid
- 354 blkid | grep cow
- 355 cd /dev/disk
- 356 ls
- 357 ls by-label/
- 358 \ls by-label/
- 359 \ls -l by-label/
- 360 cd
- 361 vim /etc/fstab
- 362 cd /run/systemd/generator/
- 363 ls
- 364 cat files.mount
- 365 cp files.mount /etc/systemd/system/
- 366 vim /etc/fstab
- 367 systemctl daemon-reload
- 368 ls
- 369 cd ..
- 370 cd generator/
- 371 ls
- 372 cd /etc/systemd/system/
- 373 vim files.mount
- 374 systemctl cat sshd.service
- 375 vim files.mount
- 376 systemctl enable --now files.mount
- 377 reboot
- 378 vim /etc/httpd/conf/httpd.conf
- 379 systemctl restart httpd
- 380 systemctl status httpd
- 381 journalctl | grep sealert
- 382 journalctl | grep sealert | grep http
- 383 ./countdown.sh 12
- 384 history
- 385 journalctl | grep sealert
- 386 restorecon -Rv /
- 387 touch /.autorelabel
- 388 reboot
- 389 mount -o remount,rw /
- 390 rm /.autorelabel
- 391 reboot
- 392 journalctl | grep sealert
- 393 uptime
- 394 rm -rf /var/log/journal/
- 395 reboot
- 396 journalctl | grep sealert
- 397 systemctl status httpd
- 398 journalctl | grep sealert
- 399* setenforce permissiveA
- 400 systemctl restart httpd
- 401 systemctl status httpd
- 402 journalctl | grep sealert
- 403 sealert -l f782833b-c95d-4e50-a6c3-bd9b2c4fc9a5
- 404 sealert -l f782833b-c95d-4e50-a6c3-bd9b2c4fc9a5 | less
- 405 semanage port -a -t http_port_t -p tcp 82
- 406 setenforce enforcing
- 407 systemctl restart httpd
- 408 systemctl status httpd
- 409 grep AVC /var/log/audit/audit.log
- 410 vim /etc/httpd/conf/httpd.conf
- 411 systemctl restart httpd
- 412 journalctl | grep sealert
- 413 systemctl status httpd
- 414 mkdir /www
- 415 systemctl restart httpd
- 416 journalctl | grep sealert
- 417 systemctl status setroubleshootd
- 418 curl localhost
- 419 curl localhost:80
- 420 curl localhost:82
- 421 journalctl | grep sealert
- 422 grep sealert /var/log/messages | less
- 423 sealert -l 84188fa1-166f-43af-8f0b-4b213c2d2f50 | less
- 424 man -k _selinux
- 425 yum search selinux
- 426 yum install selinux-policy-doc
- 427 mandb
- 428 man -k _selinux
- 429 man -k _selinux | wc
- 430 man -k _selinux | grep http
- 431 man httpd_selinux
- 432 getsebool -a
- 433 getsebool -a | wc
- 434 getsebool -a | grep http
- 435 setsebool -P httpd_use_cifs on
- 436 history
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