Saturday, April 21, 2012
Sunday, April 15, 2012
Friday, April 13, 2012
Speed up ubuntu
sudo sublime-text /etc/fstab
UUID=3aff8e7d-245a-464e-8eba-3300c78887e5 / ext4 defaults,noatime,discard 0 1 UUID=1AAE-3E55 /boot/efi vfat umask=0077 0 1 UUID=bfd812ac-938f-488f-a01d-28a47b16a793 none swap sw 0 0 tmpfs /var/cache tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/lock tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/log tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/tmp tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/mail tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /run tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/spool tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /tmp tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /home/pedro/.cache tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/lib/docker/tmpfs tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0 tmpfs /var/lib/systemd/timers tmpfs defaults,auto,noatime,nodiratime,nodev,nosuid,async 0 0
sudo sublime-text/etc/sysctl.conf
vm.swappiness=1 vm.vfs_cache_pressure=50 vm.dirty_background_ratio=10 vm.dirty_ratio=40 net.core.default_qdisc=fq net.ipv4.tcp_congestion_control=bbr net.core.rmem_max=16777216 net.core.wmem_max=16777216 net.ipv4.tcp_rmem=4096 87380 16777216 net.ipv4.tcp_wmem=4096 65536 16777216After modifying the file should run
sudo sysctl -p --system
Firefox
Type
about:config
in firefox address bar and click I'll be careful,I promise!
.Right click on blank area and create a new string value called ,set its value toGet rid of application with high I/O usage
To move the cache in Firefox, in the browser type ‘about:config’,
right-click anywhere and select
New –> String,
browser.cache.disk.parent_directory
/tmp/firefox
for a super-fast memory cache
compact firefox DB's:
for f in ~/.mozilla/firefox/*/*.sqlite; do sqlite3 $f 'VACUUM;'; done
In firefox:extensions.pocket.enabled;false
CROME
For chrome edit the icon lanch command:
default command: /opt/google/chrome/google-chrome %U
/usr/bin/google-chrome-stable %U --disk-cache-dir='/tmp/chrome/' --disk-cache-size=2147483647
pedro@pedro:~$ sudo dd if=/dev/zero of=/tmp/t.img bs=4G count=1 oflag=dsync 0+1 records in 0+1 records out 2147479552 bytes (2.1 GB, 2.0 GiB) copied, 5.72344 s, 375 MB/s pedro@pedro:~$ #/after tmp as tmpfs pedro@pedro:~$ sudo dd if=/dev/zero of=/tmp/t.img bs=4G count=1 oflag=dsync [sudo] password for pedro: 0+1 records in 0+1 records out 2147479552 bytes (2.1 GB, 2.0 GiB) copied, 1.02069 s, 2.1 GB/s pedro@pedro:~$
Thursday, April 12, 2012
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