By default, patch ignores the directory portion of the target filename; it’s just looking for “httpd.conf” in your current working directory. If you want it to use the full path, you have to explicitly ask it to do so with the -p option: patch -p 0 < httpd.patch The number after -p is how many levels to remove from the filename … Read more
Normally, when a glob which does not match any filenames is expanded, it remains unchanged. Thus, you get results like this: $ rm .bak rm: cannot remove `.bak’: No such file or directory To avoid this we need to change the default value of nullglob variable. Read more about it here: http://mywiki.wooledge.org/NullGlob Hope this helps!
The other answers are correct, in that chmod -R 755 will set these permissions to all files and subfolders in the tree. But why on earth would you want to? It might make sense for the directories, but why set the execute bit on all the files? I suspect what you really want to do is set the … Read more
1277 Try: Or alternatively, with the short flags -qr: If you also want to see differences for files that may not exist in either directory:
The letters are: x – extract z – gunzip the input f – Read from a file, not stdin
You don’t have to call the external basename command. Instead, you could use the following commands: Note that this solution should work in all recent (post 2004) POSIX compliant shells, (e.g. bash, dash, ksh, etc.). Source: Shell Command Language 2.6.2 Parameter Expansion More on bash String Manipulations: http://tldp.org/LDP/LG/issue18/bash.html
armhf stands for “arm hard float”, and is the name given to a debian port for arm processors (armv7+) that have hardware floating point support. On the beaglebone black, for example: Although other commands (such as uname -a or arch) will just show armv7l The vfpv3 listed under Features is what refers to the floating point support. Incidentally, armhf, if your processor supports it, basically supersedes Raspbian, which … Read more
I know little about Linux.Today I create a VPN server on My ubuntu according to https://github.com/philplckthun/setup-simple-ipsec-l2tp-vpn But when I finish the installation. I use my iphone to connect the ipsect vpn,bur it shows the VPN Server has no response. The github document shows Ports 1701, 500 and 4500 must be opened for the VPN to work! So … Read more
Your first error is – you need a certificate file. Or at least path to them, so that you can verify the OpenSSL.org certificate. Your second error – you don’t specify a file and -CAfile requires a single certificate (PEM or DER encoded). The easiest way to perform connection with OpenSSL.org: Download mozilla certificate bundle from here: http://curl.haxx.se/docs/caextract.html … Read more
You only need a minimal change; single-quote the here-document delimiter after <<. or equivalently backslash-escape it: Without quoting, the here document will undergo variable substitution, backticks will be evaluated, etc, like you discovered. If you need to expand some, but not all, values, you need to individually escape the ones you want to prevent. will produce … Read more