iptables
[root@sevas ~]# chkconfig --list iptables 방화벽 열려 있는지 확인
iptables 0:off 1:off 2:on 3:on 4:on 5:on 6:off
[root@sevas ~]# chkconfig --level 2345 iptables off 방화벽 2345 방화벽을 off 시킨다
[root@sevas ~]# chkconfig --list iptables 확인 하면 전부 꺼져 있다
iptables 0:off 1:off 2:off 3:off 4:off 5:off 6:off
tmpfs 사이즈 변경 설정
[root@sevas ~]# df -Th 마운트 되어 있는 디스크 확인
Filesystem Type Size Used Avail Use% Mounted on
/dev/sda3 ext4 18G 1.9G 15G 12% /
tmpfs tmpfs 491M 0 491M 0% /dev/shm <- tmpfs 용량을 1G로 변경 할것 이다
/dev/sda1 ext4 477M 36M 416M 8% /boot
[root@sevas ~]# vi /etc/fstab
# /etc/fstab
# Created by anaconda on Wed Dec 9 14:08:31 2015
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=abae00a0-711a-4d83-a226-fc5609013560 / ext4 defaults 1 1
UUID=391e77ff-e19a-483e-9ec0-00a6ada9000a /boot ext4 defaults 1 2
UUID=d8ea7b4f-3db8-4e1f-8e9c-6282f6d6d960 swap swap defaults 0 0
tmpfs /dev/shm tmpfs defaults,size=1024M 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
[root@sevas ~]# mount -o remount /dev/shm/ 마운트 되어 있는것을 remount 를 해서 변경 된 디스크 내용으로 수정
[root@sevas ~]# df -Th
Filesystem Type Size Used Avail Use% Mounted on
/dev/sda3 ext4 18G 1.9G 15G 12% /
tmpfs tmpfs 1.0G 0 1.0G 0% /dev/shm <- 용량이 1G 로 변경 되었음
/dev/sda1 ext4 477M 36M 416M 8% /boot
