start new:
tmux
start new with session name:
tmux new -s myname
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
These are the steps I followed enable VirtualBox on my laptop without disabling UEFI Secure Boot. They're nearly identical to the process described on [Øyvind Stegard's blog][blog], save for a few key details. The images here are borrowed from the [Systemtap UEFI Secure Boot Wiki][systemtap].
src='https://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo'
Lima (Linux virtual machines, on macOS) installation guide for M1 Mac.
Sep. 27th 2021 UPDATED
Now we can install patched version of QEMU via Homebrew (thank you everyone for the info!). Here is the updated instruction with it:
Used M1 Mac mini 2020 with macOS Big Sur Version 11.6.
Jon Warbrick, July 2014, V3.2 (for Ansible 1.7)
First one found from of
cd /Library/Preferences
sudo rm com.sophos.sav.plist
cd /Library/Application\ Support/Sophos/cloud/Installer.app/Contents/MacOS/tools/
sudo ./InstallationDeployer —force_remove
--[[ | |
SLURM job submit filter for QOS | |
Some code and ideas pulled from https://github.com/edf-hpc/slurm-llnl-misc-plugins/blob/master/job_submit.lua | |
--]] | |
--########################################################################-- | |
-- |
Theory:
your git repository can have more than one remote server; In this case we want to have two:
origin
)upstream
)How to make a private fork from github to gitlab
#!/bin/sh | |
TMPFILE="/tmp/xtrabackup-runner.$$.tmp" | |
USEROPTIONS="--user=${MYSQL_USER} --password=${MYSQL_PASSWORD} --host=${MYSQL_HOST}" | |
BACKDIR=/srv/mysql-bak | |
BASEBACKDIR=$BACKDIR/base | |
INCRBACKDIR=$BACKDIR/incr | |
FULLBACKUPCYCLE=604800 # Create a new full backup every X seconds | |
KEEP=1 # Number of additional backups cycles a backup should kept for. | |
START=`date +%s` |
# first: | |
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do sudo rm /usr/local/${f}; done | |
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.* | |
# To recap, the best way (I've found) to completely uninstall node + npm is to do the following: | |
# go to /usr/local/lib and delete any node and node_modules | |
cd /usr/local/lib | |
sudo rm -rf node* |