【Linux】修改/dev/shm大小
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[root@sbdb ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 35G 7.6G 26G 23% / /dev/sda1 99M 23M 71M 25% /boot tmpfs 995M 0 995M 0% /dev/shm /dev/sr0 3.6G 3.6G 0 100% /media/Oracle Linux Server dvd 20110119 /dev/sr0 3.6G 3.6G 0 100% /mnt [root@sbdb ~]# [root@sbdb ~]# [root@sbdb ~]# cat /etc/fstab |grep shm tmpfs /dev/shm tmpfs defaults 0 0 [root@sbdb ~]# |
tmpfs为995M
修改fstab，修改后，保存退出。
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[root@sbdb ~]# vi /etc/fstab /dev/VolGroup00/LogVol00 / ext3 defaults 1 1 LABEL=/boot /boot ext3 defaults 1 2 tmpfs /dev/shm tmpfs defaults,size=2048M 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/VolGroup00/LogVol01 swap swap defaults 0 0 |
重新挂载
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[root@sbdb ~]# mount -o remount /dev/shm [root@sbdb ~]# [root@sbdb ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 35G 7.6G 26G 23% / /dev/sda1 99M 23M 71M 25% /boot tmpfs 2.0G 0 2.0G 0% /dev/shm /dev/sr0 3.6G 3.6G 0 100% /media/Oracle Linux Server dvd 20110119 /dev/sr0 3.6G 3.6G 0 100% /mnt [root@sbdb ~]# |
已经修改完成为2G