Bii o ṣe le Wa Orukọ Ilana Lilo Nọmba PID ni Lainos
Ninu nkan yii, a yoo wo bi a ṣe le wa orukọ ilana kan nipasẹ nọmba idanimọ ilana rẹ (PID). Ṣaaju ki a to bọ sinu ojutu gangan, jẹ ki a sọrọ ni ṣoki nipa bii a ṣe ṣẹda ati ṣe idanimọ nipasẹ Lainos.
Ni gbogbo igba ti olumulo kan tabi eto naa (Linux) ṣe ifilọlẹ eto kan, ekuro yoo ṣẹda ilana kan. Ilana kan ni awọn alaye ipaniyan ti eto naa ni iranti gẹgẹbi ifitonileti rẹ ati data o wu, awọn oniyipada ati bẹbẹ lọ.
Ni pataki, nitori Lainos jẹ ọna ṣiṣe iṣẹ ọpọ, o ṣe awọn eto pupọ ni nigbakannaa, ati pe eyi tumọ si ilana ilana kọọkan gbọdọ wa ni idanimọ pataki.
Ekuro n ṣe idanimọ ilana kọọkan nipa lilo ID ilana (PID), gbogbo apeere ti ilana gbọdọ ni PID alailẹgbẹ lati awọn ilana miiran eyiti a sọtọ nigbati a ba pe ilana naa, lati yago fun awọn aṣiṣe ipaniyan eyikeyi.
Awọn ilana ṣiṣe lọwọlọwọ lori eto rẹ, o ni awọn ilana ilana fun ilana kọọkan.
Lo iwulo kekere lati wo awọn akoonu/proc ni ọna ti o rọrun diẹ sii bi isalẹ:
$ ls /proc OR $ ls /proc | less
1 168 2230 25 329 584 7386 83 driver schedstat 10 169 2234 2503 33 603 74 830 execdomains scsi 1070 17 2247 2507 34 610 7411 833 fb self 1081 1702 2256 2523 349 611 7423 836 filesystems slabinfo 109 1714 2258 253 35 612 745 839 fs softirqs 11 173 2266 2551 36 613 746 84 interrupts stat 110 1760 2273 26 362 62 75 844 iomem swaps 1188 1763 2278 2688 3642 63 7533 85 ioports sys 12 1769 2282 2694 3643 64 7589 86 irq sysrq-trigger 1204 177 2283 2695 37 6436 76 860 kallsyms sysvipc 1209 1773 2285 2698 38 65 7619 87 kcore thread-self 1254 18 2287 2699 39 66 7689 9 keys timer_list 13 1847 2295 27 3974 67 7690 94 key-users timer_stats 15 1914 23 2702 3976 68 77 977 kmsg tty 152 1917 2308 28 4273 6897 7725 981 kpagecgroup uptime 153 1918 2309 280 4374 69 7729 987 kpagecount version 154 1938 2310 2815 4392 6969 7733 997 kpageflags version_signature 155 1956 2311 2817 44 6980 78 acpi loadavg vmallocinfo 156 1981 2315 282 45 7 79 asound locks vmstat 1565 1986 2316 283 4543 70 790 buddyinfo mdstat zoneinfo 1567 1988 2317 29 46 71 8 bus meminfo 157 2 2324 2935 461 7102 80 cgroups misc 1579 20 2347 2944 4686 72 808 cmdline modules 158 2010 2354 3 47 73 81 consoles mounts 1584 2043 2436 30 4700 7304 810 cpuinfo mtrr 159 2044 2437 3016 5 7311 815 crypto net 1590 21 2442 31 515 7322 82 devices pagetypeinfo 16 2167 2443 318 5273 7347 820 diskstats partitions 160 22 2492 32 5274 7367 823 dma sched_debug
Lati sikirinifoto ti o wa loke, awọn ilana-nọmba ti o tọju awọn faili alaye nipa awọn ilana ni ipaniyan, nibiti nọmba kọọkan baamu si PID kan.
Ni isalẹ ni atokọ awọn faili fun ilana eto pẹlu PID 1:
$ ls /proc/1
ls: cannot read symbolic link '/proc/1/cwd': Permission denied ls: cannot read symbolic link '/proc/1/root': Permission denied ls: cannot read symbolic link '/proc/1/exe': Permission denied attr coredump_filter gid_map mountinfo oom_score schedstat status autogroup cpuset io mounts oom_score_adj sessionid syscall auxv cwd limits mountstats pagemap setgroups task cgroup environ loginuid net personality smaps timers clear_refs exe map_files ns projid_map stack uid_map cmdline fd maps numa_maps root stat wchan comm fdinfo mem oom_adj sched statm
O le ṣafẹri pipaṣẹ pẹlu ọpọlọpọ diẹ sii bi ninu awọn apẹẹrẹ ni isalẹ:
$ ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.0 185728 6268 ? Ss 10:15 0:01 /sbin/init splash root 2 0.0 0.0 0 0 ? S 10:15 0:00 [kthreadd] root 3 0.0 0.0 0 0 ? S 10:15 0:00 [ksoftirqd/0] root 5 0.0 0.0 0 0 ? S< 10:15 0:00 [kworker/0:0H] root 7 0.0 0.0 0 0 ? S 10:15 0:09 [rcu_sched] root 8 0.0 0.0 0 0 ? S 10:15 0:00 [rcu_bh] root 9 0.0 0.0 0 0 ? S 10:15 0:00 [migration/0] root 10 0.0 0.0 0 0 ? S 10:15 0:00 [watchdog/0] root 11 0.0 0.0 0 0 ? S 10:15 0:00 [watchdog/1] root 12 0.0 0.0 0 0 ? S 10:15 0:00 [migration/1] root 13 0.0 0.0 0 0 ? S 10:15 0:00 [ksoftirqd/1] root 15 0.0 0.0 0 0 ? S< 10:15 0:00 [kworker/1:0H] root 16 0.0 0.0 0 0 ? S 10:15 0:00 [watchdog/2] root 17 0.0 0.0 0 0 ? S 10:15 0:00 [migration/2] root 18 0.0 0.0 0 0 ? S 10:15 0:00 [ksoftirqd/2] root 20 0.0 0.0 0 0 ? S< 10:15 0:00 [kworker/2:0H] root 21 0.0 0.0 0 0 ? S 10:15 0:00 [watchdog/3] root 22 0.0 0.0 0 0 ? S 10:15 0:00 [migration/3] root 23 0.0 0.0 0 0 ? S 10:15 0:00 [ksoftirqd/3] root 25 0.0 0.0 0 0 ? S< 10:15 0:00 [kworker/3:0H] root 26 0.0 0.0 0 0 ? S 10:15 0:00 [kdevtmpfs] root 27 0.0 0.0 0 0 ? S< 10:15 0:00 [netns] root 28 0.0 0.0 0 0 ? S< 10:15 0:00 [perf] ....
Ṣe abojuto awọn ilana Linux nipa lilo aṣẹ oke ti aṣa.
$ top
Ṣe abojuto awọn ilana Linux nipa lilo awọn oju, irinṣẹ gidi-akoko ilana ibojuwo fun Lainos.
$ glances
Kọ ẹkọ diẹ sii nipa bii o ṣe le fi sii Awọn iwo ni awọn ọna ṣiṣe Linux.
Wa Nọmba PID Ilana
Lati wa PID ti ilana kan, o le lo pidof
, aṣẹ ti o rọrun lati tẹjade PID ti ilana kan:
$ pidof firefox $ pidof python $ pidof cinnamon
Pada si aaye idojukọ wa, ni ro pe o ti mọ PID ti ilana kan, o le tẹ orukọ rẹ ni lilo fọọmu aṣẹ ni isalẹ:
$ ps -p PID -o format
Nibo:
-
-p
ṣe afihan PID Ọna -
-o
ọna kika n jẹ ki ọna kika asọye olumulo kan
Wa Orukọ Ilana Lilo Nọmba PID
Ni apakan yii, a yoo rii bi a ṣe le wa orukọ ilana kan nipa lilo nọmba PID rẹ pẹlu iranlọwọ ti ọna kika olumulo ti o tumọ ie comm =
eyiti o tumọ si orukọ pipaṣẹ, kanna bi orukọ ilana.
$ ps -p 2523 -o comm= $ ps -p 2295 -o comm=
Fun alaye afikun lilo ati awọn aṣayan, wo nipasẹ oju-iwe eniyan eniyan.
$ man ps
Ti o ba fẹ pa ilana kan nipa lilo nọmba PID rẹ, Mo daba fun ọ lati ka Wa ki o pa Awọn ilana Linux Lilo PID rẹ.
Iyẹn ni fun akoko naa, ti o ba mọ ọna miiran ti o dara julọ lati wa orukọ ilana kan nipa lilo PID, ṣe alabapin pẹlu wa nipasẹ apakan asọye wa ni isalẹ.