23 4æ
ã³ãŒãããŒã ã«ã€ããŠå°ãã ãFocalããšããèšèã¯ãäžå¿ç¹ããŸãã¯ãæãéèŠãªéšåããæå³ããŸããã€ãŸããããããæ§è³ªãçŸè±¡ãåºæ¥äºã®äžå¿ã§ããçŠç¹ã®æŠå¿µã«é¢é£ä»ããããŠããããFossaãã®èªæºã¯ãFOSSãã§ãïŒç¡æããã³ãªãŒãã³ãœãŒã¹ ãœãããŠã§ã¢ - ç¡æããã³ãªãŒãã³ãœãŒã¹ ãœãããŠã§ã¢) ãšãåç©ãæå³ãã Ubuntu ã®ããŒãžã§ã³ã«ååãä»ããäŒçµ±ããããŸãã
éçºè ã¯ãUbuntu 20.04 ãããã¹ã¯ããããšãµãŒããŒãä»åŸ 5 幎éãµããŒãããã¡ãžã£ãŒãã€æåããã¢ããããŒããšããŠäœçœ®ä»ããŠããŸãã
Ubuntu 20.04 ã¯ãUbuntu 19.04ãDisco Dingoãããã³ Ubuntu 19.10ãEoan Ermineãã®è«ççãªç¶ç¶ã§ãã ãã¹ã¯ãããçã§ã¯ãææ°ã®ãã¬ã³ãã«åŸã£ãŠãããŒã¯ããŒããç»å ŽããŸããã ãããã£ãŠãUbuntu 20.04 ã§ã¯ãæšæº Yaru ããŒãã«ã¯ XNUMX ã€ã®ãªãã·ã§ã³ããããŸãã
- å ã
- éã
- æšæºã
Amazonã¢ããªãåé€ãããŸããã Ubuntu 20.04 ã¯ææ°ããŒãžã§ã³ãããã©ã«ãã®ã°ã©ãã£ã«ã« ã·ã§ã«ãšããŠäœ¿çšããŸã
äž»ãªå€æŽç¹
Ubuntu 20.04 ã¯ã5.4 幎 24 æ 2019 æ¥ã«ãªãªãŒã¹ããã XNUMX ã«ãŒãã«ã«åºã¥ããŠããŸãã ãã®ããŒãžã§ã³ã§ã¯ã以äžã§èª¬æããããã€ãã®éèŠãªé©æ°ãå°å ¥ãããŸããã
lz4
Canonical ã®ãšã³ãžãã¢ã¯ãã«ãŒãã«ãš initramfs ããŒã ã€ã¡ãŒãžã®ããŸããŸãªå§çž®ã¢ã«ãŽãªãºã ããã¹ãããæé©ãªå§çž® (ãã¡ã€ã« ãµã€ãºã®çž®å°) ãšè§£åæéã®éã®ãã¬ãŒããªããèŠã€ããããšããŸããã å¯éå§çž®ã¢ã«ãŽãªãºã lz4 ã¯æãé¡èãªçµæã瀺ããUbuntu 19.10 ã«è¿œå ããã以åã®ãªãªãŒã¹ (Ubuntu 18.04 ããã³ 19.04) ãšæ¯èŒããŠèµ·åæéãççž®ã§ããŸããã åãã¢ã«ãŽãªãºã 㯠Ubuntu 20.04 ã«ãæ®ããŸãã
Linux ããã¯ããŠã³ ã«ãŒãã«
ããã¯ããŠã³æ©èœã¯ããŠãŒã¶ãŒ ããã»ã¹ã«ãã£ãŠå ¬éãããã³ãŒããéããŠä»»æã®ã³ãŒãã®å®è¡ãèš±å¯ããå¯èœæ§ã®ããæ©èœãžã®ã¢ã¯ã»ã¹ãå¶éããããšã«ãããLinux ã«ãŒãã«ã®ã»ãã¥ãªãã£ã匷åããŸãã ç°¡åã«èšãã°ãroot ã¹ãŒããŒãŠãŒã¶ãŒ ã¢ã«ãŠã³ãã§ãã«ãŒãã« ã³ãŒããå€æŽããããšã¯ã§ããŸããã ããã«ãããroot ã¢ã«ãŠã³ãã䟵害ãããå Žåã§ããæœåšçãªæ»æã«ãã被害ã軜æžã§ããŸãã ãããã£ãŠããªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã®å šäœçãªã»ãã¥ãªãã£ãåäžããŸãã
exFAT
Microsoft FAT ãã¡ã€ã« ã·ã¹ãã ã§ã¯ã4 GB ãè¶
ãããã¡ã€ã«ã®è»¢éã¯èš±å¯ãããŠããŸããã ãã®å¶éãå
æããããã«ãMicrosoft 㯠exFAT ãã¡ã€ã« ã·ã¹ãã (è±èªã® Extended FAT - ãæ¡åŒµ FATãã«ç±æ¥) ãäœæããŸããã ããã§ãããšãã°ã次ã®ã³ãã³ãã䜿çšã㊠USB ãã©ã€ãã exFAT ã«ãã©ãŒãããã§ããããã«ãªããŸãã
ã¯ã€ã€ã¬ãŒã
Ubuntu 20.04 ã¯ãå°ãªããšãããã«ã¯ 5.6 ã«ãŒãã«ã䜿çšããŸãããããã§ã« 5.4 ã«ãŒãã«ã® WireGuard ããã¯ããŒãã䜿çšããŠããŸãã ã¯ã€ã€ãŒã¬ãŒãã¯
ä¿®æ£ããŸãã
ã«ãŒãã« 5.4 ã§ç»å Žããé©æ°çãªæ©èœã¯ããã ãã§ã¯ãããŸããã 詳现ãªã¬ãã¥ãŒã¯ãªãœãŒã¹ã§èŠã€ããããšãã§ããŸã
Kubernetesã®äœ¿çš
Canonical 㯠Ubuntu 20.04 ã§ã®å®å
šãµããŒããå®è£
ããŸãã
Ubuntu 20.04 ãžã® Kubectl ã®ã€ã³ã¹ããŒã«:
# snap install kubectl --classic
kubectl 1.18.0 from Canonical â installed
ã¹ãããã®äœ¿çš
Canonical ã¯ããŠãããŒãµã« ããã±ãŒãžåœ¢åŒã§ãã snap ãæšé²ãç¶ããŠããŸãã ããã¯ãUbuntu 20.04 ã®ãªãªãŒã¹ã§ããã«é¡èã«ãªããŸãã ã€ã³ã¹ããŒã«ãããŠããªãããã°ã©ã ãå®è¡ããããšãããšããŸã次ã®æ¹æ³ã§ããã°ã©ã ãã€ã³ã¹ããŒã«ããããã«æ±ããããŸãã
# snap install <package>
ZFS ãµããŒãã®æ¹å
ããã
ããã¯ãããŒã¿ãåãããŒã ã¢ãŒã«ã€ãããŸãã¯è·å Žã®ãµãŒã㌠ã¹ãã¬ãŒãžãä¿åããã®ã«éåžžã«äŸ¿å©ã§å®å®ããŠããŸã (ãããã«ãåã LVM ãããå€ãã®ããšãã§ããŸã)ã ZFS ã¯ãæ倧 256 京ãŒã¿ãã€ã (ååã«ãZããä»ããŠããŸã) ãŸã§ã®ããŒãã£ã·ã§ã³ ãµã€ãºããµããŒãããæ倧 16 ãšã¯ãµãã€ãã®ãµã€ãºã®ãã¡ã€ã«ãåŠçã§ããŸãã
ZFS ã¯ãããŒã¿ããã£ã¹ã¯äžã«ã©ã®ããã«é 眮ãããŠãããã«åºã¥ããŠããŒã¿ã®æŽåæ§ãã§ãã¯ãå®è¡ããŸãã ã³ããŒãªã³ã©ã€ãæ©èœã«ããã䜿çšäžã®ããŒã¿ã¯äžæžããããŸããã 代ããã«ãæ°ããæ å ±ãæ°ãããããã¯ã«æžã蟌ãŸãããã¡ã€ã« ã·ã¹ãã ã®ã¡ã¿ããŒã¿ããããæãããã«æŽæ°ãããŸãã ZFS ã䜿çšãããšããã¡ã€ã« ã·ã¹ãã ã«å ããããå€æŽã远跡ããã¹ãããã·ã§ãã (ãã¡ã€ã« ã·ã¹ãã ã¹ãããã·ã§ãã) ãäœæãããã¡ã€ã« ã·ã¹ãã ãšããŒã¿ã亀æããŠãã£ã¹ã¯é åãç¯çŽã§ããŸãã
ZFS ã¯ãã£ã¹ã¯äžã®åãã¡ã€ã«ã«ãã§ãã¯ãµã ãå²ãåœãŠããããšç
§ããåãããŠãã®ã¹ããŒã¿ã¹ãåžžã«ãã§ãã¯ããŸãã ãã¡ã€ã«ãç ŽæããŠããããšãæ€åºããããšãèªåçã«ä¿®åŸ©ãè©Šã¿ãããŸãã Ubuntu ã€ã³ã¹ããŒã©ãŒã«ã¯ãZFS ã䜿çšã§ããããã«ããå¥ã®ãªãã·ã§ã³ãè¿œå ãããŸããã ZFS ã®æŽå²ãšãã®æ©èœã«ã€ããŠè©³ããã¯ãããã°ãã芧ãã ããã
ããããªããPython 2.X
Python ã® 2008 çªç®ã®ããŒãžã§ã³ã¯ 12 幎ã«å°å
¥ãããŸããããPython 2 ãããžã§ã¯ããããã«é©å¿ããã«ã¯ XNUMX 幎ããã£ãŠãååã§ã¯ãããŸããã§ããã
Ubuntu 15.10 ã«æ»ããšãPython 2 ãå»æ¢ããè©Šã¿ãè¡ãããŸãããããã®ãµããŒãã¯ç¶ç¶ãããŸããã ãããŠ20幎2020æXNUMXæ¥ãçºå£²ãããŸãã
Ubuntu 20.04 ã§ã¯ Python 2 ã¯ãµããŒããããªããªããPython 3.8 ã Python ã®ããã©ã«ã ããŒãžã§ã³ãšããŠäœ¿çšãããŸãã æ®å¿µãªããšã«ãäžçäžã«ã¯å€ãã® Python 2 ãããžã§ã¯ããæ®ã£ãŠããã圌ãã«ãšã£ãŠ Ubuntu 20.04 ãžã®ç§»è¡ã¯èŠçã«ãªããããããŸããã
Python 2 ã®ææ°ããŒãžã§ã³ã¯ XNUMX ã€ã®ã³ãã³ãã§ã€ã³ã¹ããŒã«ã§ããŸãã
# apt install python2.7
Python 3.8 ã«å ããŠãéçºè ã¯ä»¥äžãå«ãæŽæ°ãããããŒã« ã»ãããå©çšã§ããŸãã
- MySQL 8
- glibc 2.31ã
- OpenJDK 11
- PHP7.4ã
- ããŒã«5.30ã
- Golang1.14ã
ããããªã32ããã
ããæ°å¹ŽãUbuntu 㯠32 ããã ã³ã³ãã¥ãŒã¿ãŒçšã® ISO ã€ã¡ãŒãžãæäŸããŠããŸããã çŸåšã32 ããã ããŒãžã§ã³ã® Ubuntu ã®æ¢åãŠãŒã¶ãŒã¯ Ubuntu 18.04 ã«ã¢ããã°ã¬ãŒãã§ããŸãããUbuntu 20.04 ã«ã¯ã¢ããã°ã¬ãŒãã§ããªããªããŸãã ã€ãŸããçŸåš 32 ãããã® Ubuntu 18.04 ã䜿çšããŠããå Žåã¯ã2023 幎 XNUMX æãŸã§äœ¿çšãç¶ããããšãã§ããŸãã
ã¢ããããŒãæ¹æ³
以åã®ããŒãžã§ã³ãã Ubuntu 20.04 ãžã®ã¢ããã°ã¬ãŒãã¯ã梚ã®æ®»ãããã®ãšåããããç°¡åã§ãã次ã®ã³ãã³ããå®è¡ããã ãã§ãã
# sudo apt update && sudo apt upgrade
# sudo do-release-upgrade
Ubuntu 20.04 LTS (Focal Fossa) ããã§ã«ä»®æ³ãã·ã³ã®ã€ã¡ãŒãžãšããŠå©çšå¯èœã«ãªã£ãããšãçºè¡šã§ããããšãããããæããŸãã
ã¯ã©ãŠããã©ãããã©ãŒã ã ææ°ã®ãœãããŠã§ã¢ã䜿çšããŠç¬èªã®ä»®æ³ IT ã€ã³ãã©ã¹ãã©ã¯ãã£ãæ§ç¯ããŸãã
UPDïŒ Ubuntu 19.10 ã®ãŠãŒã¶ãŒã¯çŸåš 20.04 ã«ã¢ããã°ã¬ãŒãã§ããããã«ãªããUbuntu 18.04 ã®ãŠãŒã¶ãŒã¯ 20.04.1 幎 23 æ 2020 æ¥ã«ãªãªãŒã¹äºå®ã® XNUMX ã®ãªãªãŒã¹åŸã«ã¢ããã°ã¬ãŒãã§ããããã«ãªããŸãã
åºæïŒ habr.com