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sandervanvugt

RHCSA day4 march22

sandervanvugt
Mar 4th, 2022
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  1. [root@localhost new]# history
  2. 1 mkdir /sda6
  3. 2 vim /etc/fstab
  4. 3 mount -a
  5. 4 cp /etc/passwd /sda5
  6. 5 cp /etc/motd /sda6
  7. 6 history
  8. 7 lsblk
  9. 8 umount /dev/sda5
  10. 9 vim /etc/fstab
  11. 10 fdisk /dev/sda
  12. 11 reboot
  13. 12 journalctl -xb
  14. 13 touch bb
  15. 14 lsblk
  16. 15 vim /etc/fstab
  17. 16 blkid
  18. 17 blkid | awk '/sda5/ { print $2 }'
  19. 18 blkid | awk '/sda5/ { print $2 }' >> /etc/fstab
  20. 19 vim /etc/fstab
  21. 20 mount -a
  22. 21 reboot
  23. 22 blkid
  24. 23 tune2fs --help
  25. 24 tune2fs -L cow /dev/sda5
  26. 25 blkid
  27. 26 xfs_admin --help
  28. 27 xfs_admin -L goat /dev/sda3
  29. 28 umount /dev/sda3
  30. 29 xfs_admin -L goat /dev/sda3
  31. 30 mount -a
  32. 31 blkid
  33. 32 groupadd student
  34. 33 groupadd students
  35. 34 groupadd profs
  36. 35 vim /etc/login.defs
  37. 36 usermod -aG students lisa
  38. 37 usermod -aG students linda
  39. 38 id lisa
  40. 39 usermod -aG profs anna
  41. 40 usermod -aG profs anouk
  42. 41 mkdir -p /data/profs /data/students
  43. 42 cd /data
  44. 43 ls -l
  45. 44 usermod --help
  46. 45 mkdir --help
  47. 46 chown anna:students students/
  48. 47 chown anna:profs profs/
  49. 48 ls -l
  50. 49 chmod 3770 *
  51. 50 ls -l
  52. 51 cd
  53. 52 df -h
  54. 53 dd if=/dev/zero of=/diskfile.img bs=1 count=2048
  55. 54 dd if=/dev/zero of=/diskfile.img bs=1M count=2048
  56. 55 ls -l /diskfile.img
  57. 56 losetup -fP /diskfile.img
  58. 57 losetup -a
  59. 58 lsblk
  60. 59 reboot
  61. 60 lsblk
  62. 61 losetup -a
  63. 62 lsblk
  64. 63 losetup -fP /diskfile.img
  65. 64 lsblk
  66. 65 ssh [email protected]
  67. 66 cd /data
  68. 67 getfacl sales
  69. 68 cd sales
  70. 69 ls
  71. 70 ls -l
  72. 71 cd ..
  73. 72 setfacl -m -R g:sales:rx /data/sales
  74. 73 setfacl -R -m g:sales:rx /data/sales
  75. 74 ls -l sales/
  76. 75 getfacl sales/lisa1
  77. 76 man setfacl
  78. 77 setfacl -R -x g:sales /data/sales
  79. 78 ls -l sales
  80. 79 setfacl -R -m g:account:rx /data/sales
  81. 80 ls -l sales/
  82. 81 getfacl sales/lisa1
  83. 82 setfacl -R -x g:account /data/sales
  84. 83 setfacl -R -m g:account:rX /data/sales
  85. 84 ls -l sales/
  86. 85 getfacl sales
  87. 86 getfacl sales/lisa1
  88. 87 setfacl -m d:g:account:rx /data/sales
  89. 88 getfacl sales
  90. 89 touch sales/root1
  91. 90 getfacl sales/root1
  92. 91 countdown 16
  93. 92 df -h
  94. 93 lsblk
  95. 94 dd if=/dev/sr0 of=/rhel85.iso bs=1M
  96. 95 df -h
  97. 96 mkdir /repo
  98. 97 vim /etc/fstab
  99. 98 mount -a
  100. 99 cd /repo
  101. 100 ls
  102. 101 cd BaseOS/
  103. 102 ls
  104. 103 ls Packages/
  105. 104 ls repodata/
  106. 105 cd ..
  107. 106 cd
  108. 107 yum repolist
  109. 108 cd /etc/yum.repos.d/
  110. 109 vim base.repo
  111. 110 vim appstream.repo
  112. 111 vim base.repo
  113. 112 yum repolist
  114. 113 vim appstream.repo
  115. 114 yum repolist
  116. 115 yum search btrfs
  117. 116 yum search zsh
  118. 117 yum install zsh
  119. 118 seinfo
  120. 119 yum provides */seinfo
  121. 120 history
  122. 121 cd
  123. 122 yum module list
  124. 123 yum module provides httpd
  125. 124 yum module info postgresql
  126. 125 yum module info postgresql | less
  127. 126 yum module info --profile postgresql
  128. 127 yum module list postgresql
  129. 128 yum module install posgresql:9.6
  130. 129 yum module install postgresql:9.6
  131. 130 yum module install postgresql:9.6/server
  132. 131 yum module enable postgresql:9.6
  133. 132 man ifconfig
  134. 133 ip a
  135. 134 ip addr add dev ens160 10.0.0.10/24
  136. 135 ip a
  137. 136 ping 10.0.0.10
  138. 137 ifconfig
  139. 138 cat /etc/resolv.conf
  140. 139 ip route show
  141. 140 ip
  142. 141 countdown 12
  143. 142 df -h
  144. 143 cd /repo
  145. 144 ls
  146. 145 ls BaseOS/Packages/
  147. 146 ls BaseOS/repodata/
  148. 147 cd /etc/yum.repos.d/
  149. 148 cat base.repo
  150. 149 cat appstream.repo
  151. 150 yum repolist
  152. 151 cd
  153. 152 history
  154. 153 systemctl status NetworkManager
  155. 154 nmtui
  156. 155 ip a
  157. 156 fdisk /dev/sda
  158. 157 lsblk
  159. 158 pvcreate /dev/sda6
  160. 159 xxd /dev/sda6 | less
  161. 160 pvs
  162. 161 vgcreate vgdata /dev/sda6
  163. 162 vgs
  164. 163 pvs
  165. 164 vgremove vgdata
  166. 165 vgs
  167. 166 vgcreate --help | less
  168. 167 vgcreate -s 8m vgdata /dev/sda6
  169. 168 vgdisplay vgdata
  170. 169 lvcreate -L 2G -n lvdata vgdata
  171. 170 echo $(( 256 * 8 ))
  172. 171 vgs
  173. 172 echo $(( 255 * 8 ))
  174. 173 lvcreate -l 255 -n lvdata vgdata
  175. 174 lvs
  176. 175 mkfs.xfs /dev/vgdata/lvdata
  177. 176 mkdir /lvdata
  178. 177 vim /etc/fstab
  179. 178 mount -a
  180. 179 mount | tail -1
  181. 180 ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  182. 181 xxd /dev/sda6 | less
  183. 182 history
  184. 183 tail -1 /etc/fstab
  185. 184 df -h
  186. 185 vgs
  187. 186 pvs
  188. 187 gdisk /dev/nvme0n1
  189. 188 lsblk
  190. 189 vgextend rhel /dev/nvme0n1p1
  191. 190 vgs
  192. 191 lvextend -r -l +100%FREE /dev/rhel/root
  193. 192 df -h
  194. 193 xfs_growfs /dev/rhel/root
  195. 194 countdown 12
  196. 195 yum install -y httpd
  197. 196 systemctl status httpd
  198. 197 systemctl enable --now httpd
  199. 198 systemctl status httpd
  200. 199 systemctl stop httpd
  201. 200 systemctl get-default
  202. 201 systemctl set-default multi-user.target
  203. 202 systemctl get-default
  204. 203 reboot
  205. 204 touch ccc
  206. 205 mount
  207. 206 mount -o remount,rw /
  208. 207 touch hhh
  209. 208 systemctl list-units
  210. 209 systemctl list-units
  211. 210 systemctl isolate rescue.target
  212. 211 systemctl list-units
  213. 212 systemctl reboot
  214. 213 systemctl set-default graphical.target
  215. 214 reboot
  216. 215 journalctl
  217. 216 cd /var/log
  218. 217 ls
  219. 218 mkdir journal
  220. 219 ls journal/
  221. 220 systemctl daemon-reload
  222. 221 ls journal/
  223. 222 vim /etc/systemd/journald.conf
  224. 223 journalctl
  225. 224 sysctl -a
  226. 225 sysctl -a | wc
  227. 226 systemctl status tuned
  228. 227 tuned-adm --help
  229. 228 tuned-adm list
  230. 229 tuned-adm profile_info desktop
  231. 230 tuned-adm profile desktop
  232. 231 tuned-adm list
  233. 232 cd /usr/lib/tuned/
  234. 233 ls
  235. 234 cd desktop/
  236. 235 ls
  237. 236 vim tuned.conf
  238. 237 cd
  239. 238 free -m
  240. 239 tuned-adm list
  241. 240 reboot
  242. 241 free -m
  243. 242 vmstat 2 5
  244. 243 gdisk /dev/nvme0n1
  245. 244 lsblk
  246. 245 partprobe
  247. 246 lsblk
  248. 247 free -m
  249. 248 mkswap /dev/nvme0p2
  250. 249 mkswap /dev/nvme0n1p2
  251. 250 free -m
  252. 251 swapon /dev/nvme0n1p2
  253. 252 free -m
  254. 253 vim /etc/fstab
  255. 254 history
  256. 255 reboot
  257. 256 history
  258. 257 yum install stratis-cli stratisd
  259. 258 systemctl enable --now stratisd
  260. 259 systemctl status stratisd
  261. 260 lsblk
  262. 261 fdisk /dev/sdb
  263. 262 fdisk /dev/sdc
  264. 263 lsblk
  265. 264 stratis pool create mypool /dev/sdb1
  266. 265 stratis pool list
  267. 266 stratis fs create mypool myfs1
  268. 267 stratis fs create mypool myfs2
  269. 268 stratis fs list mypool
  270. 269 stratis fs list mypool | awk '/myfs1/ { print $10 }'
  271. 270 stratis fs list mypool | awk '/myfs1/ { print $10 }' >> /etc/fstab
  272. 271 stratis fs list mypool | awk '/myfs2/ { print $10 }' >> /etc/fstab
  273. 272 mkdir /myfs1 /myfs2
  274. 273 vim /etc/fstab
  275. 274 mount -a
  276. 275 man 5 fstab
  277. 276 man -k stratis
  278. 277 mount
  279. 278 df -h
  280. 279 stratis pool list
  281. 280 stratis fs list mypool
  282. 281 cd /run/systemd/system/
  283. 282 ls
  284. 283 cd ../generator/
  285. 284 ls
  286. 285 lsblk
  287. 286 cd
  288. 287 yum install vdo kmod-kvdo
  289. 288 man vdo
  290. 289 #vdo create --name=vdo0 --device=/dev/sdb1 --vdoLogicalSize=10T
  291. 290 vdo create --name=vdo1 --device=/dev/sdb2 --vdoLogicalSize=1T
  292. 291 mkfs.xfs -K /dev/mapper/vdo1
  293. 292 ls -l /dev/mapper/vdo1
  294. 293 cd /usr/share/doc/vdo/examples/
  295. 294 ls
  296. 295 cd systemd/
  297. 296 ls
  298. 297 pwd
  299. 298 vim VDO.mount.example
  300. 299 mkdir /vdo1
  301. 300 cp VDO.mount.example /etc/systemd/system/vdo1.mount
  302. 301 cd /etc/systemd/system/
  303. 302 vim vdo1.mount
  304. 303 systemctl enable --now vdo1.mount
  305. 304 systemctl status vdo1.mount
  306. 305 mount
  307. 306 reboot
  308. 307 mount
  309. 308 cd /run/systemd/generator/
  310. 309 ls
  311. 310 vim myfs1.mount
  312. 311 cd /dev/disk
  313. 312 ls
  314. 313 ls -l by-uuid/
  315. 314 blkid
  316. 315 cd
  317. 316 cd /run/systemd/generator/
  318. 317 ls
  319. 318 vim sda3.mount
  320. 319 cd
  321. 320 systemctl daemon-reload
  322. 321 showmount -e 192.168.29.241
  323. 322 mount 192.168.29.241:/myshare /mnt
  324. 323 cd /mnt
  325. 324 ls
  326. 325 touch file100000
  327. 326 cd
  328. 327 ls -Z
  329. 328 ps Zaux | grep http
  330. 329 cd /var/www/
  331. 330 ls -Z
  332. 331 getenforce
  333. 332 vim /etc/sysconfig/selinux
  334. 333 cd
  335. 334 mkdir /web
  336. 335 vim /web/index.html
  337. 336 vim /etc/httpd/conf/httpd.conf
  338. 337 systemctl restart httpd
  339. 338 curl localhost
  340. 339 q!
  341. 340 getenforce
  342. 341 setenforce permissive
  343. 342 curl localhost
  344. 343 vim /etc/httpd/conf/httpd.conf
  345. 344 systemctl restart httpd
  346. 345 curl localhost
  347. 346 getenforce
  348. 347 setenforce enforcing
  349. 348 curl localhost
  350. 349 less /var/log/audit/audit.log
  351. 350 grep AVC /var/log/audit/audit.log
  352. 351 grep http /var/log/audit/audit.log
  353. 352 reboot
  354. 353 systemctl status auditd
  355. 354 systemctl status auditd.service
  356. 355 systemctl start auditd
  357. 356 systemctl status auditd.service
  358. 357 systemctl status httpd
  359. 358 getenforce
  360. 359 curl localhost
  361. 360 grep AVC /var/log/audit/audit.log
  362. 361 ls -ldZ /var/www/html
  363. 362 ls -Z /web
  364. 363 man semanage
  365. 364 man semanage-fcontext
  366. 365 # semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  367. 366 # restorecon -R -v /web
  368. 367 semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  369. 368 ls -Zd /web
  370. 369 restorecon -Rv /web
  371. 370 curl localhost
  372. 371 history
  373. 372 ls -dZ /var/www/html/
  374. 373 countdown 13
  375. 374 history
  376. 375 cd /etc/selinux/
  377. 376 ls
  378. 377 cd targeted/
  379. 378 ls
  380. 379 cd contexts/
  381. 380 ls
  382. 381 cd files
  383. 382 pwd
  384. 383 ls
  385. 384 cat file_contexts.local
  386. 385 cd
  387. 386 man -k _selinux
  388. 387 yum search selinux
  389. 388 yum install -y selinux-policy-doc
  390. 389 man -k _selinux
  391. 390 man -k _selinux | wc
  392. 391 man -k _selinux | grep http
  393. 392 man apache_selinux
  394. 393 journalctl | grep sealert
  395. 394 sealert -l ceecd0da-9ddd-4c47-988e-c643a601d77b | less
  396. 395 grep AVC /var/log/audit/audit.log
  397. 396 getsebool -a | grep http
  398. 397 setsebool -P httpd_use_nfs on
  399. 398 ls -Z /etc/hosts
  400. 399 cp /etc/hosts .
  401. 400 rm /etc/hosts
  402. 401 ls -Z hosts
  403. 402 cp hosts /etc/hosts
  404. 403 ls -Z /etc/hosts
  405. 404 rm /etc/hosts
  406. 405 mv hosts /etc/hosts
  407. 406 ls -Z /etc/hosts
  408. 407 restorecon /etc/hosts -v
  409. 408 vim /etc/httpd/conf/httpd.conf
  410. 409 systemctl restart httpd
  411. 410 systemctl status httpd
  412. 411 getenforce
  413. 412 setenforce permissive
  414. 413 systemctl restart httpd
  415. 414 setenforce enforcing
  416. 415 journalctl | grep sealert
  417. 416 sealert -l 70cc8934-3dab-47b0-a2bb-f64630549047 | less
  418. 417 semanage port -a -t http_port_t -p tcp 82
  419. 418 getenforce
  420. 419 systemctl restart httpd
  421. 420 systemctl status httpd
  422. 421 ss -Ztuna
  423. 422 systemctl status firewalld
  424. 423 firewall-cmd --list-all
  425. 424 firewall-cmd --get-services
  426. 425 firewall-cmd --add-service http
  427. 426 firewall-cmd --add-service https
  428. 427 firewall-cmd --list-all
  429. 428 systemctl restart firewalld
  430. 429 firewall-cmd --list-all
  431. 430 firewall-cmd --add-service https --permanent
  432. 431 firewall-cmd --add-service http --permanent
  433. 432 firewall-cmd --list-all
  434. 433 systemctl restart firewalld
  435. 434 firewall-cmd --list-all
  436. 435 cd /usr/lib/firewalld
  437. 436 ls
  438. 437 cd services/
  439. 438 ls
  440. 439 vim http.xml
  441. 440 cp http.xml /etc/firewalld/services/sander.xml
  442. 441 vim /etc/firewalld/services/sander.xml
  443. 442 systemctl restart firewalld
  444. 443 firewall-cmd --get-services
  445. 444 cd ..
  446. 445 ls
  447. 446 cd zones/
  448. 447 pwd
  449. 448 ls
  450. 449 cat work.xml
  451. 450 cat public.xml
  452. 451 cd
  453. 452 vim /etc/default/grub
  454. 453 grub2-mkconfig -o /boot/grub2/grub.cfg
  455. 454 reboot
  456. 455 history
  457. 456 sleep 120; countdown 11
  458. 457 systemctl status autofs
  459. 458 yum install -y autofs
  460. 459 systemctl enable --now autofs
  461. 460 vim /etc/auto.master
  462. 461 ls /
  463. 462 vim /etc/auto.misc
  464. 463 showmount -e 192.168.29.141
  465. 464 showmount -e 192.168.29.241
  466. 465 vim /etc/auto.master
  467. 466 vim /etc/auto.nfsfiles
  468. 467 systemctl restart autofs
  469. 468 ls /
  470. 469 cd /nfsfiles/
  471. 470 mount
  472. 471 ls -a
  473. 472 cd data
  474. 473 cat /etc/auto.nfsfiles
  475. 474 showmount -e 192.168.29.241
  476. 475 vim /etc/auto.nfsfiles
  477. 476 systemctl restart autofs
  478. 477 cd data
  479. 478 ls
  480. 479 pwd\
  481. 480 pwd
  482. 481 mount
  483. 482 cd
  484. 483 showmount -e 192.168.29.241
  485. 484 vim /etc/auto.master
  486. 485 vim auto.ldap
  487. 486 vim /etc/auto.ldap
  488. 487 systemctl restart autofs
  489. 488 cd /home
  490. 489 ls
  491. 490 cd ldap
  492. 491 ls
  493. 492 cd ldapuser1
  494. 493 pwd
  495. 494 reboot
  496. 495 mount -o remount,rw /
  497. 496 cd /
  498. 497 ls
  499. 498 ls -a
  500. 499 rm .autorelabel
  501. 500 reboot
  502. 501 history
  503. 502 yum module install container-tools
  504. 503 podman run -d nginx
  505. 504 podman ps
  506. 505 podman run registry.access.redhat.com/ubi8/ubi:latest
  507. 506 podman login registry.access.redhat.com
  508. 507 podman ps
  509. 508 podman ps -a
  510. 509 podman run -it registry.access.redhat.com/ubi8/ubi:latest
  511. 510 podman ps
  512. 511 podman ps -a
  513. 512 history
  514. 513 podman run -it registry.access.redhat.com/ubi8/ubi:latest
  515. 514 podman ps
  516. 515 exit
  517. 516 vim /etc/containers/registries.conf
  518. 517 podman info
  519. 518 docker pull quay.io/bitnami/nginx
  520. 519 podman pull quay.io/bitnami/nginx
  521. 520 podman search nginx
  522. 521 podman search nginx | wc
  523. 522 podman search --no-trunc registry.redhat.io/nginx
  524. 523 podman images
  525. 524 podman inspect quay.io/bitnami/nginx | less
  526. 525 podman run -d registry.access.redhat.com/rhscl/httpd-24-rhel7
  527. 526 lsblk
  528. 527 vgextend rhel /dev/sdc1
  529. 528 lvextend -r /dev/rhel/root -l +100%FREE
  530. 529 df -h
  531. 530 history
  532. 531 podman run -d nginx -p 8000:80
  533. 532 podman ps
  534. 533 podman ps -a
  535. 534 podman run -d -p 8000:80 nginx
  536. 535 podman logs wizardly_lehmann
  537. 536 podman ps
  538. 537 curl localhost:8000
  539. 538 countdown 12
  540. 539 podman run -d mariadb
  541. 540 podman ps -a
  542. 541 podman logs goofy_shannon
  543. 542 podman run -d --name mydb -e MYSQL_ROOT_PASSWORD=password -e MYSQL_USER=bob -p 3306:3306 mariadb
  544. 543 podman pd
  545. 544 podman ps
  546. 545 podman ps -a
  547. 546 podman rm fervent_volhard
  548. 547 podman images
  549. 548 podman exec -l uname -r
  550. 549 uname -r
  551. 550 podman ps
  552. 551 podman exec -it unruffled_galois sh
  553. 552 podman ps
  554. 553 podman inspect blissful_chatterjee | less
  555. 554 exit
  556. 555 ps fax | less
  557. 556 ps faux | less
  558. 557 history
  559. 558 ssh linda@localhost
  560. 559 countdown 30
  561. 560 ln -s /etc/hosts /tmp/myhosts
  562. 561 ls -l /tmp/myhosts
  563. 562 vim /etc/login.defs
  564. 563 touch /etc/skel/myfile
  565. 564 find / -size +100M -type f
  566. 565 find / -size +100M -type f > /tmp/bigfiles
  567. 566 mkdir /myvol
  568. 567 vgs
  569. 568 vgextend vgdata /dev/sdc2
  570. 569 vgs
  571. 570 lvcreate -n lv500 vgdata -L 500M
  572. 571 mkfs.ext3 -L myvolume /dev/vgdata/lv500
  573. 572 vim /etc/fstab
  574. 573 mount -a
  575. 574 yum search seinfo
  576. 575 yum provides */seinfo
  577. 576 yum install -y setools-console
  578. 577 groupadd profs
  579. 578 usermod -aG profs anna
  580. 579 id anna
  581. 580 mkdir -p / new/profs
  582. 581 cd /new
  583. 582 mkdir -p /new/profs
  584. 583 cd /new
  585. 584 ls -l
  586. 585 chmod 1770 profs
  587. 586 chgrp profs
  588. 587 chgrp profs profs/
  589. 588 chown anna profs
  590. 589 ls -l
  591. 590 crontab -e
  592. 591 tail -f /var/log/messages
  593. 592 countdown 2
  594. 593 history
  595.  
  596.  
  597. #### USER LINDA
  598. [linda@localhost ~]$ history
  599. 1 cd /data/sales
  600. 2 touch linda1
  601. 3 ls -l
  602. 4 exit
  603. 5 cd /data/sales
  604. 6 touch linda2
  605. 7 ls -l
  606. 8 exit
  607. 9 cd /data/sales
  608. 10 ls
  609. 11 rm lisa*
  610. 12 exit
  611. 13 ls -l
  612. 14 rm -f rootfile1
  613. 15 ls -ld .
  614. 16 rm -f rootfile2
  615. 17 exit
  616. 18 touch lindafile
  617. 19 chattr +i lindafile
  618. 20 exit
  619. 21 mkdir -p .config/systemd/user
  620. 22 cd .config/systemd/user/
  621. 23 podman run -d --name mynginx -p 8081:80 nginx
  622. 24 podman ps
  623. 25 podman generate systemd --name mynginx --files
  624. 26 vim container-mynginx.service
  625. 27 systemctl --user daemon-reload
  626. 28 systemctl --user enable container-mynginx.service
  627. 29 systemctl --user status container-mynginx.service
  628. 30 exit
  629. 31 history
  630. 32 exit
  631. 33 history
  632.  
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