How to kill all processes with one command in Linux
[oracle@stagedbms3 ~]$ ps -ef | grep $ORACLE_SID
oracle 1525 1 0 10:13 ? 00:00:03 ora_j000_GRIDDB3
oracle 1527 1 0 10:13 ? 00:00:01 ora_j001_GRIDDB3
oracle 4198 1 0 10:27 ? 00:00:00 oracleGRIDDB3 (LOCAL=NO)
oracle 7479 1 0 May30 ? 00:00:00 oracleGRIDDB3 (LOCAL=NO)
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oracle 21246 1 0 May30 ? 00:00:09 ora_pmon_GRIDDB3
oracle 21248 1 0 May30 ? 00:00:11 ora_psp0_GRIDDB3
oracle 21250 1 0 May30 ? 00:12:29 ora_vktm_GRIDDB3
oracle 21254 1 0 May30 ? 00:00:01 ora_gen0_GRIDDB3
oracle 21256 1 0 May30 ? 00:00:02 ora_diag_GRIDDB3
oracle 21258 1 0 May30 ? 00:00:02 ora_dbrm_GRIDDB3
oracle 21260 1 0 May30 ? 00:01:00 ora_dia0_GRIDDB3
oracle 21262 1 0 May30 ? 00:00:01 ora_mman_GRIDDB3
oracle 21264 1 0 May30 ? 00:00:11 ora_dbw0_GRIDDB3
oracle 21266 1 0 May30 ? 00:00:24 ora_lgwr_GRIDDB3
oracle 21268 1 0 May30 ? 00:00:16 ora_ckpt_GRIDDB3
oracle 21270 1 0 May30 ? 00:00:07 ora_smon_GRIDDB3
oracle 21272 1 0 May30 ? 00:00:00 ora_reco_GRIDDB3
oracle 21274 1 0 May30 ? 00:00:16 ora_mmon_GRIDDB3
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[oracle@stagedbms3 ~]$ ps -ef | grep $ORACLE_SID | grep -v grep | awk '{print $2}'
1525
1527
4198
7479
7481
7761
7776
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12650
12652
16898
21246
21248
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[oracle@stagedbms3 ~]$ kill -9 `ps -ef | grep $ORACLE_SID | grep -v grep | awk '{print $2}'`
[oracle@stagedbms3 ~]$ ps -ef | grep $ORACLE_SID
oracle 11990 11927 0 10:50 pts/1 00:00:00 grep GRIDDB3
NOTE: Please don’t try to kill oracle processes unless you have other alternative than killing process like this.