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 16777216
After 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 to
Type about:config into the address bar layers.acceleration.force-enabled -> true
gfx.webrender.all -> all
Type browser.cache into the Filter field
Set browser.cache.memory.enable to true (double
click it)
browser.sessionhistory.max_entries 50 -> 5
gfx.color_management.mode -> 1
gfx.color_management.rendering_intent -> -1
browser.display.auto_quality_min_font_size -> 6
browser.cache.disk.metadata_memory_limit -> 1024
browser.cache.disk.preload_chunk_count ->8
network.dnsCacheExpiration-> 86400
Get 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
Close all Firefox tabs and windows, and then restart the browser
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:~$
