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Category Archives: Operating System
CentOS 6 repo Settings
To fix repo settings in CentOS 6 1. make sure there is no proxy or funny settings in vi /etc/yum.conf 2. There are a couple of files within /etc/yum.repos.d/. Make sure the url are correct (accessible) and enabled=1 ll /etc/yum.repos.d/ … Continue reading
Posted in Linux
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Show Linux Partition Tree Mountpoint and If SSD
1lsblk -o TYPE,NAME,KNAME,UUID,MOUNTPOINT,SIZE,ROTA
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Bash string comparison
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465#!/bin/bash function test(){ echo "" echo "TEST $1" echo "VAR_1: $VAR_1 VAR_2: $VAR_2 " if [ "$VAR_1" = "false" ]; then echo " VAR_1 is false"; fi if [ "$VAR_2" = "false" ]; then echo " VAR_2 is false"; fi … Continue reading
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Crontab header
123456# minute (0-59), # | hour (0-23), # | | day of the month (1-31), # | | | month of the year (1-12), # … Continue reading
Posted in Bash, Linux
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Simple unit test is bash file
Consider the following 3 files: 1. shellTestFramework.sh 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647#!/bin/bash # Copyright (c) Ronald Pringadi # Before each Test function setUpTest(){ #"Please overwrite this function on your unit test. Something that need to be done before each test" … Continue reading
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Linux find files and total their size
1find ./ -type f -newerct "1 May 2015" ! -newerct "1 Jul 2015" -print0 | du –files0-from=- -hc| tail -n1
Posted in Bash, Linux
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Allowing a linux/unix user all sudo access without password
/etc/sudoers yourusername ALL=(ALL) NOPASSWD:ALL