Bash for loops are very useful in everyday life. I am going to post some simple examples where I combine bash for loops with other simple techniques like bash stepping etc. Want to count from 1 – 100 and list each number sequentially? for i in {1..100}; do echo $i; done Same as above but…
[et_pb_section admin_label=”Section” fullwidth=”on” specialty=”off”][et_pb_fullwidth_post_title admin_label=”Fullwidth Post Title” title=”on” meta=”on” author=”off” date=”on” categories=”on” comments=”off” featured_image=”on” featured_placement=”background” parallax_effect=”off” parallax_method=”on” text_orientation=”center” text_color=”dark” text_background=”on” text_bg_color=”rgba(255,255,255,0.9)” module_bg_color=”rgba(255,255,255,0)” title_all_caps=”off” use_border_color=”off” border_color=”#ffffff” border_style=”solid”] [/et_pb_fullwidth_post_title][/et_pb_section][et_pb_section admin_label=”section”][et_pb_row admin_label=”row”][et_pb_column type=”4_4″][et_pb_text admin_label=”Text” background_layout=”light” text_orientation=”left” use_border_color=”off” border_color=”#ffffff” border_style=”solid”] It seems sometimes you get a new package from somewhere and its just an update for an older package…
Got an RPM laying about you need to install but it has a bunch of dependencies? well let yum do the heavy lifting. yum –nogpgcheck localinstall SomeApp.noarch.rpm
I just noticed I had 8 kernels installed on a machine. dont need but one…. so I rebooted to make sure I was using the newest, and removed all the old ones via these simple commands : Ubuntu / Debian / dpkg / Apt: dpkg -l ‘linux-*’ | sed ‘/^ii/!d;/'”$(uname -r | sed “s/\(.*\)-\([^0-9]\+\)/\1/”)”‘/d;s/^[^…
We recently moved a hosting to a new data center and wanted to test speeds, so I needed fixed size files to see what kind of speeds people could achieve while downloading them. I decided on the arbitrary numbers of 100MB and 500MB. Heres how I generated fixes size files via bash. for 500 MB…
PHP PDO MySQL Needed to make a simple php script with mysql in it, so I decided to use PDO because… well peer pressure 😐 so heres a basic PHP PDO MYsql script. The idea is I have a table called table with a field called field in a database called somedatabase. We have 1000…
