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--- centos_6.5_on_apu_-_post_install [2014/05/02 08:33] – [reduce writes: tmpfs for logging and /tmp] admin
+++ centos_6.5_on_apu_-_post_install [2014/05/21 18:30] – admin
@@ Line 49: / Line 49: @@
 </code>
-===SSD tuning===
+bashrc example
-==elevator=noop==
-Check current elevator setting:
-  cat /sys/block/sda/queue/scheduler
-Set elevator:
-Add to /etc/rc.local, you can also add it to the kernel line in /etc/grub.conf, but that setting is for all disks.
-  echo noop >/sys/block/sda/queue/scheduler
-==Reduce swappiness==
-Check current setting:
-  cat /proc/sys/vm/swappiness
-Change setting, using /etc/sysctl.conf
-  vm.swappiness=1
-  vm.vfs_cache_pressure=50
-Then activate:
-  sysctl -p
-==Edit /etc/fstab==
-Add noatime,discard to filesystems.
-==Edit /etc/lvm/lvm.conf==
-  issue_discards = 1
-====reduce writes: tmpfs for logging and /tmp====
-You will lose files in tmpfs after reboot! Use remote syslog for important logs.
-==/etc/fstab==
 <code>
-tmpfs   /var/log   tmpfs   defaults,size=256m  0 0
+if [ -n "$PS1" ]; then
-tmpfs   /tmp       tmpfs   defaults,size=64m  0 0
+  echo
-</code>
+  sensors |grep temp1 |awk '{print $1 $2}'
+fi;
-==or set large commit interval==
-<code>
-/dev/mapper/vg_apu1-lv_root /                   ext4    defaults,noatime,discard,errors=remount-ro,commit=200        1 1
 </code>