How To Move Around in Linux CLI Mail

Author: , May 7th, 2018

h Shows you a screenful of message headers (a “header” being the number, sender, date, size and subject). h with no message number shows the current screenful of messages (the number that make up a screenful is set with the screen variable, described below). h$ shows you the last screenful of messages — which is […]

How To Locate Attached Disk Devices in Linux

Author: , April 24th, 2018

https://linux.die.net/man/8/lsblk # lsblk -a 1 2 3 4 5 NAME          MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT nvme1n1       259:0    0  100G  0 disk /volumes/data nvme0n1       259:1    0   20G  0 disk ├─nvme0n1p1   259:2    0   20G  0 part / └─nvme0n1p128 259:3   […]

How To Move in vim Using the Keyboard

Author: , March 21st, 2018

h move one character left j move one row down k move one row up l move one character right w move to beginning of next word b move to previous beginning of word e move to end of word W move to beginning of next word after a whitespace B move to beginning of […]

How To Scroll to the Top of the Page using Javascript

Author: , March 20th, 2018

window.scrollTo(x-coord, y-coord); Example: window.scrollTo(0,0);

How To Expand a Filesystem on AWS Linux

Author: , March 6th, 2018

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html This only works on the new expandable volumes. YMMV, as always. 1. Examine file -s /dev/xvd* lsblk df -h 2. Grow partition Expand the modified partition using growpart (and note the unusual syntax of separating the device name from the partition number): growpart /dev/xvda 1 lsblk 3. Expand filesystem resize2fs /dev/xvda1 df -h

How To Strip Windows Newlines in PHP

Author: , February 21st, 2018

$text = str_replace(“\r”, “”, $text);

How To Create and Restore an SVN Backup Dump File (.dmp)

Author: , February 1st, 2018

Backup Compressed: svnadmin dump /volumes/data/svn/yourRepo | gzip -9 > /volumes/data/backup/yourRepo.dmp.gz Backup Uncompressed: svnadmin dump /volumes/data/svn/yourRepo > /volumes/data/backup/yourRepo.dmp Restore the Repo Create a new SVN repository: svnadmin create /volumes/data/svn/newRepo Restore the dump file to the new repository: svnadmin load /volumes/data/svn/newRepo < /volumes/data/backup/yourRepo.dmp Just for good measure, here is how to checkout from a local repo: svn […]

How To Rename a Branch in Git Locally and Remotely

Author: , January 31st, 2018

Rename the old branch locally: git branch -m oldBranch newBranch Delete the old branch remotely: git push origin :oldBranch Push up the new branch, and make the local branch track with the new remote branch: git push –set-upstream origin newBranch

How To Remove a Package Without the Dependencies (yum/rpm)

Author: , January 9th, 2018

To remove a specific package without its dependencies use rpm: 1 2 rpm -qa | grep pecl rpm -e –nodeps php55-pecl-jsonc php55-pecl-jsonc-devel rpm -qa | grep pecl rpm -e –nodeps php55-pecl-jsonc php55-pecl-jsonc-devel As always, YMMV!

How To Fix MacOSX Yosemite 10.10 Memory Leaks via SMC and PRAM Resets

Author: , January 4th, 2018

I was running out of memory constantly on Yosemite 10.10.5 and found the following article: https://discussions.apple.com/message/26929324?start=555&tstart=0 Edited and reposted without permission below… Disconnect any external or secondary monitors, if any is present. The video memory allocation leak can also happen if you have a system with an integrated card, like Intel, with no external monitors […]