Matando processos com o auxílio da shell do linux, do kill e do ps

Para matar aquele processo chato que acabou entrando em loop infinito, ou você não aguenta mais esperar a resposta dele...!!

Para matar um processo é necessário primeiro saber qual é o número do PID dele, para isso você digita na shell:

$ ps -A



Sabendo o PID basta dar o comando:

$ kill PID_do_Processo


Por exemplo eu vou matar o processo do java, para isso dei um ps -A que me gerou o resultado abaixo:

danilomatias@danilomatias-laptop:~$ ps -A
PID TTY TIME CMD
1 ? 00:00:02 init
2 ? 00:00:00 kthreadd
3 ? 00:00:00 migration/0
4 ? 00:00:00 ksoftirqd/0
5 ? 00:00:00 watchdog/0
6 ? 00:00:00 migration/1
7 ? 00:00:00 ksoftirqd/1
8 ? 00:00:00 watchdog/1
9 ? 00:00:00 events/0
10 ? 00:00:00 events/1
11 ? 00:00:00 khelper
46 ? 00:00:00 kblockd/0
47 ? 00:00:00 kblockd/1
50 ? 00:00:00 kacpid
51 ? 00:00:00 kacpi_notify
134 ? 00:00:00 kseriod
176 ? 00:00:00 pdflush
177 ? 00:00:00 pdflush
178 ? 00:00:00 kswapd0
219 ? 00:00:00 aio/0
220 ? 00:00:00 aio/1
1417 ? 00:00:00 ksuspend_usbd
1420 ? 00:00:00 khubd
1558 ? 00:00:00 ata/0
1565 ? 00:00:00 ata/1
1566 ? 00:00:00 ata_aux
2319 ? 00:00:00 scsi_eh_0
2320 ? 00:00:00 scsi_eh_1
2321 ? 00:00:00 scsi_eh_2
2361 ? 00:00:00 scsi_eh_3
2362 ? 00:00:00 usb-storage
2398 ? 00:00:00 scsi_eh_4
2399 ? 00:00:00 scsi_eh_5
2536 ? 00:00:00 kjournald
2741 ? 00:00:00 udevd
3049 ? 00:00:00 kpsmoused
4263 ? 00:00:00 kjournald
4534 tty4 00:00:00 getty
4535 tty5 00:00:00 getty
4537 tty2 00:00:00 getty
4540 tty3 00:00:00 getty
4541 tty6 00:00:00 getty
4727 ? 00:00:00 acpid
4761 ? 00:00:00 kondemand/0
4762 ? 00:00:00 kondemand/1
4847 ? 00:00:00 syslogd
4900 ? 00:00:00 dd
4902 ? 00:00:00 klogd
4924 ? 00:00:00 dbus-daemon
4940 ? 00:00:00 NetworkManager
4954 ? 00:00:00 NetworkManagerD
4967 ? 00:00:00 system-tools-ba
4987 ? 00:00:00 avahi-daemon
4988 ? 00:00:00 avahi-daemon
5030 ? 00:00:00 cupsd
5098 ? 00:00:00 dhcdbd
5117 ? 00:00:01 hald
5120 ? 00:00:00 console-kit-dae
5121 ? 00:00:00 hald-runner
5194 ? 00:00:00 hald-addon-inpu
5200 ? 00:00:00 hald-addon-cpuf
5201 ? 00:00:00 hald-addon-acpi
5225 ? 00:00:00 hald-addon-stor
5228 ? 00:00:00 hald-addon-stor
5254 ? 00:00:00 hcid
5274 ? 00:00:00 btaddconn
5275 ? 00:00:00 btdelconn
5285 ? 00:00:00 bluetoothd-serv
5286 ? 00:00:00 bluetoothd-serv
5291 ? 00:00:00 krfcommd
5330 ? 00:00:00 gdm
5333 ? 00:00:00 gdm
5337 tty7 00:05:46 Xorg
5375 ? 00:00:00 atd
5389 ? 00:00:00 cron
5486 ? 00:00:00 vmnet-bridge
5497 ? 00:00:00 dhclient
5504 ? 00:00:00 vmnet-netifup
5517 ? 00:00:00 vmnet-dhcpd
5532 ? 00:00:00 vmnet-netifup
5541 ? 00:00:00 vmnet-dhcpd
5546 ? 00:00:00 vmnet-natd
5624 tty1 00:00:00 getty
5719 ? 00:00:01 gconfd-2
5721 ? 00:00:00 gnome-keyring-d
5722 ? 00:00:00 x-session-manag
5809 ? 00:00:00 seahorse-agent
5813 ? 00:00:00 dbus-daemon
5814 ? 00:00:01 gnome-settings-
5822 ? 00:00:00 pulseaudio
5825 ? 00:00:00 gconf-helper
5834 ? 00:00:00 compiz
5840 ? 00:00:06 gnome-panel
5841 ? 00:00:02 gnome-screensav
5842 ? 00:00:01 nautilus
5849 ? 00:00:00 bonobo-activati
5876 ? 00:00:00 gvfsd
5893 ? 00:00:00 gvfs-fuse-daemo
5914 ? 00:00:15 compiz.real
5915 ? 00:00:00 bluetooth-apple
5918 ? 00:00:00 update-notifier
5922 ? 00:00:00 tracker-applet
5925 ? 00:00:00 evolution-alarm
5928 ? 00:00:00 trackerd
5931 ? 00:00:01 nm-applet
5932 ? 00:00:00 python
5933 ? 00:00:00 gnome-volume-ma
5935 ? 00:00:00 gnome-power-man
5986 ? 00:00:00 evolution-excha
5994 ? 00:00:00 trashapplet
5996 ? 00:00:00 evolution-data-
5999 ? 00:00:00 gvfsd-trash
6007 ? 00:00:00 gvfsd-burn
6024 ? 00:00:00 sh
6025 ? 00:00:00 compiz-decorato
6027 ? 00:00:04 gtk-window-deco
6036 ? 00:00:00 mixer_applet2
6039 ? 00:00:00 fast-user-switc
6052 ? 00:20:36 firefox
6428 ? 00:00:14 java
6489 ? 00:00:02 gnome-terminal
6491 ? 00:00:00 gnome-pty-helpe
6492 pts/0 00:00:00 bash
6509 pts/1 00:00:00 bash
6577 ? 00:00:00 sh
6578 ? 00:00:00 dcop
6580 pts/1 00:00:00 ps

Verifiquei que o PID do java é: 6428

Agora vou dar o comando para matar o processo 6428:

danilomatias@danilomatias-laptop:~$ kill 6428


Prontinho processo morto com êxito!