How to print out a plain text file with line numbers in Linux?
Use the nl command:
nl text-file
Find options in the nl manual.
This post is about the Spring Shell technology and its use in java. Experts of java development India have shared their best knowledge in this post for Spring Shell with the community people. If you have anything to ask, do it at the end. Technology: It is command line tool for Java applications to interact…
How to disable the DHCP service in dnsmasq on Linux? That is, to leave only dnsmasq’s DNS service. The `/etc/dnsmasq.conf` file may have lines that enable DHCP service of dnsmasq. By default, the DHCP is disabled in dnsmasq (check one example dnsmasq.conf file). To disable DHCP service in dnsmasq, in `/etc/dnsmasq.conf`, remove or disable the…
I want to change policy of scheduling in Hadoop, how to I can change job order in map reduce automatically. Assume you are using Hadoop 2 / YARN. The configuration parameter named yarn.resourcemanager.scheduler.class controls the class to be used as the resource scheduler for YARN/Hadoop. The default value for the scheduler class (check more at…
But.. how to use the OpenVPN together with Ovpn Spider on iPhone? You can check OpenVPN + Ovpn Spider: Free VPNs for iPhone Users. Read more: Free VPNs for iPhone Users: OpenVPN + Ovpn Spider How to use iPhone to browse blocked websites in mainland China? how to use pc internet of window8 on iphone…
I can only connect to a Linux server by SSH. How to check whether a USB disk is connected to the Linux server? 2 ways I usuaully use: Method One: Check the print out of dmesg After the USB storage is connected and detected by Linux, it may print some messages containing “[sde]” (the new…
How to extract the images from a PDF file in Linux? You may use the pdfimages tool. To output jpg images from a PDF ./a.pdf, run pdfimages -j ./a.pdf ./images ./images is the output images’ prefix. The images in ./a.pdf will be extracted and saved as ./images-nnn.jpg. -j options make pdfimages generate JPEG files. Read…