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--- software:linux:general [2017/10/19 04:49] – [Good Description of systemd] superwizard
+++ software:linux:general [2018/07/30 06:26] – [BAD FILE MODE] superwizard
@@ Line 1: / Line 1: @@
+====== Disk Usage Analyzer ======
+From: http://www.makeuseof.com/tag/how-to-analyze-your-disk-usage-pattern-in-linux/
+<code>
+Formerly known as Baobab, Disk Usage Analyzer is, as you might have guessed, another visual tool.
+Rather than the block-based approach of QDirStat, this utility offers a radial treemap pie chart
+as a live illustration of disk usage. You’ll find this in the right-hand pane; on the left, a
+list of the contents of the currently selected directory.
+</code>
 ====== unprivileged user ======
@@ Line 234: / Line 245: @@
 Suse 10.x in %%/var/log/messages%%
+====== Cron ======
+<code>
+#|   hour (0-23)
+#|   |    day of the month (1-31)
+#|   |    |   month of the year (1-12 or Jan-Dec)
+#|   |    |   |   day of the week (0-6 with 0=Sun or Sun-Sat)
+#|   |    |   |   |   user
+#|   |    |   |   |   |   commands
+#|   |    |   |   |   |   |
+# Each line has five time-and-date fields
+# followed by a username (if this is the system crontab file),
+# and followed by a command.
+# 20   1    1   *   *  smolt /usr/bin/smoltSendProfile -c > /dev/null 2>&1
+# top of every other hour :0
+   */2   *    *   *    root /root/Desktop/own-p  > /var/log/own-p.log 2>&1
+</code>
 ====== BAD FILE MODE ======
@@ Line 240: / Line 271: @@
 From: http://www.cyberciti.biz/faq/unix-linux-cron-bad-file-mode-error/
-    All you have to do it set 0644 (rw-r--r) permission i.e. remove world writable file permissions
+<code>
+    All you have to do it set 0644 (rw-r--r) permission i.e. remove world writable
+    file permissions
 From: http://old-en.opensuse.org/Packaging/SUSE_Package_Conventions/Cron_Jobs
-    As defined in /etc/crontab, cron executes the script /usr/lib/cron/run-crons every 15 minutes. It looks for scripts
+    As defined in /etc/crontab, cron executes the script /usr/lib/cron/run-crons
-    in the directories /etc/cron.{hourly,daily,weekly,monthly} and checks which should be executed. The information about
+    every 15 minutes. It looks for scripts in the directories /etc/cron.{hourly,
+    daily,weekly,monthly} and checks which should be executed. The information about
     last run is stored in files below /var/spool/cron/lastrun.
+</code>