이런 세상..

[1] 방법-1 [root@OS ~]# logger "test-1st" [root@OS ~]# tail /var/log/messages Jan 28 10:03:51 OS root: test-1st [2] 방법-2 [root@OS ~]# logger -i -p local0.info -t LOCAL0 "test-2nd" [root@OS ~]# tail /var/log/messages Jan 28 10:04:36 OS LOCAL0[8048]: test-2nd

TEST_1=abc NO=1 RESULT=$(eval echo \$TEST_${NO}) echo "$RESULT" => 결과: abc 출력됨

[1] 비파괴 모드 (랜덤 패턴) # badblocks -vsn /dev/sdb1 Checking for bad blocks in non-destructive read-write mode From block 0 to 401593 Testing with random pattern: Pass completed, 0 bad blocks found. [2] 파괴 모드 (ALL 패턴: 0~1000 블록까지 검사) # badblocks -vsw /dev/sdb1 1000 0 Checking for bad blocks in read-write mode From block 0 to 1000 Testing with pattern 0xaa: done Reading and comparing: done Testing with..