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Articles by Jodka Lemon
Unix & Linux Stack Exchange
In the directory of the user on my debian wheezy server regularly appears file named with (currently) the following content: is the hostname of the server (and can normally be resolved since I have various services/programs using this hostname without problems). After some searching I figured that there is a job running hourly, i.e. which could explain why those errors only appear 17 minutes after the full hour. The only script in is with the following content: Can this produce those mysterious ?
for loop in bash lists dot and double dot folders
for f in ~/common/.*; do echo $f done The entries listed are, /home/sk/common/. #undesired /home/sk/common/.. #undesired /home/sk/common/.aliasrc And i am putting a ugly hack to skip processing . and .. to avoid this, if [[ $f == '/home/sk/common/.' || $f == '/home/sk/common/..' ]]; then true else --do the ops fi Is there a shell option that will hide the dotted folders? I am facing this problem with ls -a as well.
Unix & Linux Stack Exchange
I'm trying to build btrfs-progs from sources, but when I run ./configure I get the error: checking for BLKID... no configure: error: Package requirements (blkid) were not met: No package 'blkid' found Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables BLKID_CFLAGS and BLKID_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.
What is so special about linux permission 004?
I was reading Practical Unix and Internet security, when I came across the following lines which I couldn't comprehend. If you are using the wu archive server, you can configure it in such a way that uploaded files are uploaded in mode 004, so they cannot be downloaded by another client. This provides better protection than simply making the directory unreadable, as it prevents people from uploading files and then telling their friends the exact filename to download.
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