Linux and Unix Commands
Tips and tricks about Linux, OS X, *BSD and Unix commands. Includes commands, syntax, hacks and much more for both new users and sysadmins ( rss feed ).
am a new CentOS Linux sysadmin. How can I add static route On CentOS Enterprise Linux server running on HP amd64 server? [click to continue…]
am a new Linux user and built my own Steam Machine. The system is powered by Linux-based operating system called SteamOS. What is the default default login password for SteamOS? How can I login into SteamOS? [click to continue…]
often need to download files using the Terminal. However, I am unable to find the wget command
on OS X. How do download files from the web via the Mac OS X bash command line option? [click to continue…]
know how to cange a passphrase for openssh using ssh-keygen command
. How do I change a GPG encryption key’s passphrase on Linux or Unix like operating systems? How do I change the passphrase of the secret key using gpg? [click to continue…]
‘m a new Ubutnu Linux user. I backup files to our corporate Unix backup server using the rsync command
. The server only allow to upload/download files. I am unable to login to the server. How do change my password using the passwd command over ssh
based session? [click to continue…]
I am using Ubuntu 12.04.2 LTS (“precise”). I am trying to upgrade all packages using kernel via apt-get upgrade method. But, I am getting the following message:
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages have been kept back:
linux-headers-virtual linux-image-virtual mysql-client-5.5 mysql-server-5.5
The following packages will be upgraded:
base-files dosfstools linux-libc-dev linux-libc-dev:i386
4 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
Need to get 1,847 kB of archives.
After this operation, 2,048 B of additional disk space will be used.
Do you want to continue [Y/n]?
How do I fix this issue and install linux-headers-virtual linux-image-virtual packages which have been kept back in Ubuntu Linux LTS version 12.04.2?
[click to continue…]
need to add dev tools (such as JDK and friends) to my PATH. How do I change $PATH variable in OS X 10.8.x? Where does $PATH get set in OS X 10.8 Mountain Lion? [click to continue…]
just switched from MS-Windows server admin to Debian Linux server admin role. I need to find a directory called project.images. I was also told that the locate command is the simplest and quickest way to find the locations of files and directories on Linux. But, the locate command is not working out for me. How do I find project.images directory using command line options only? [click to continue…]
download lots of files in ~/Downloads/ folder in Ubuntu Linux and OS X desktop. How do I show last downloaded file first using the ls command? [click to continue…]
am a new Apple Mac book pro user. Is Mac OS X pronounced as “Mac OS E-X” or “Mac OS Ten”? How do you pronounce the Apple Mac os X? How do I find out OS X version using command line tool? [click to continue…]