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doc:x250 [2017/08/12 22:33]
stwn [SSD and Filesystem] update
doc:x250 [2018/02/01 01:12] (current)
stwn [SSD and Filesystem] hdparm
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 Filesystem ext4 and TRIM (discard option or use fstrim command). Put "​noatime"​ or "​relatime"​ in the option of the partitions in the fstab file. Do not create swap partition. Change I/O scheduler if needed. Filesystem ext4 and TRIM (discard option or use fstrim command). Put "​noatime"​ or "​relatime"​ in the option of the partitions in the fstab file. Do not create swap partition. Change I/O scheduler if needed.
  
-tmpfs for /tmp+tmpfs for /tmp
 +  tmpfs   /​tmp ​  ​tmpfs ​  ​noatime,​nosuid,​nodev,​noexec ​  ​0 ​  0
  
 Add periodic cron, for example weekly. Put '​fstrim -a' in /​etc/​cron.weekly/​fstrim Add periodic cron, for example weekly. Put '​fstrim -a' in /​etc/​cron.weekly/​fstrim
 +
 +fstrim -av
  
 systcl.conf,​ add "​vm.swappiness = 10" or "​vm.swappiness = 1" systcl.conf,​ add "​vm.swappiness = 10" or "​vm.swappiness = 1"
  
 lsblk lsblk
 +lsblk -D
  
 /​sys/​block/​sdX/​queue/​rotational /​sys/​block/​sdX/​queue/​rotational
 +
 +/​sys/​block/​sda/​queue/​discard_granularity
  
 smartctl -a /dev/sdX smartctl -a /dev/sdX
 +
 +# sfdisk -d /dev/sdX
  
 If you use LUKS encrypted partition, don't forget to activate "​discard"​ option in crypttab. The implication is the less secure storage since the firmware knows where the data stored in the encrypted partition. LVM has also "​discard"​ option. If you use LUKS encrypted partition, don't forget to activate "​discard"​ option in crypttab. The implication is the less secure storage since the firmware knows where the data stored in the encrypted partition. LVM has also "​discard"​ option.
  
 +  edisk  UUID=XYZ none luks,​discard
 +
 +  dmsetup table /​dev/​mapper/​edisk --showkeys
 +  ​
 +sudo hdparm -I /​dev/​sda|grep TRIM
 ===== Packages ===== ===== Packages =====
 +
 +==== From Repository ====
 +
   calibre dia git gimp cups eog evince ffmpeg file-roller freeplane frogr gdm gksu gnash   calibre dia git gimp cups eog evince ffmpeg file-roller freeplane frogr gdm gksu gnash
   gnumeric gns3 libreoffice mc nixnote2 nmap plymouth plymouth-themes qemu rhythmbox   gnumeric gns3 libreoffice mc nixnote2 nmap plymouth plymouth-themes qemu rhythmbox
-  simple-scan synaptic tlp totem wine wireshark+  ​screen ​simple-scan synaptic tlp totem wine wireshark 
 + 
 +==== GNOME and Qt ==== 
 + 
 +  adwaita-qt adwaita-qt4 gnome-themes-standard qt4-qtconfig 
 + 
 +==== Official ==== 
 + 
 +  - Atom 
 +  - GNS3 
 +  - Mozilla Firefox 
 +  - Mozilla Thunderbird 
 +  - Telegram 
 +  - VirtualBox
  
 ===== Configuration ===== ===== Configuration =====
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 ==== TLP ==== ==== TLP ====
  
 +  START_CHARGE_THRESH_BAT0=75
 +  STOP_CHARGE_THRESH_BAT0=80
 +  START_CHARGE_THRESH_BAT1=75
 +  STOP_CHARGE_THRESH_BAT1=80
 ===== Backup ===== ===== Backup =====
  
 
doc/x250.1502577237.txt.gz · Last modified: 2017/08/12 22:33 by stwn · [Old revisions]
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